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rev.3.1 _00 ultra-small package high-precision voltage detector s-808xxc series seiko instruments inc. 1 the s-808xxc series is a series of high-precision voltage detectors developed using cmos process. the detection voltage is fixed internally with an accuracy of 2.0%. two output forms, nch open-drain and cmos output, are available. ultra-low current consumption and miniature package lineup can meet demand from the portable device applications. ? ? ? ? features ? ultra-low current consumption 1.3 a typ. (detection voltage 1.4 v, at v dd = 1.5 v) 0.8 a typ. (detection voltage 1.5 v, at v dd = 3.5 v) ? high-precision detection voltage 2.0 % ? operating voltage range 0.65 v to 5.0 v (detection voltage 1.4 v) 0.95 v to 10.0 v (detection voltage 1.5 v) ? hysteresis characteristics 5 % typ. ? detection voltage 0.8 v to 6.0 v (0.1 v step) ? output form nch open-drain output (active low) cmos output (active low) ? ? ? ? applications ? battery checkers ? power failure detectors ? power monitor for portable equipments such as pagers, calculators, electronic notebooks and remote controllers. ? constant voltage power monitor for cameras, video equipments and communication devices. ? power monitor for microcomputers and reset for cpus. ? ? ? ? packages package name drawing code package tape reel zigzag sc-82ab np004-a np004-a np004-a ? sot-23-5 mp005-a mp005-a mp005-a ? sot-89-3 up003-a up003-a up003-a ? snt-4a pf004-a pf004-a pf004-a ? to-92 (bulk) ys003-b ? ? ? to-92 (tape and reel) yf003-a yf003-a yf003-a ? to-92 (tape and ammo) yf003-a yz003-c ? yz003-c
ultra-small package high-precision voltage detector s-808xxc series rev.3.1 _00 2 seiko instruments inc. ? ? ? ? block diagrams 1. nch open-drain output products vss *1 *1 + ? out vdd v ref *1. parasitic diode figure 1 2. cmos output products *1 ? + out vss vdd *1 *1 v ref *1. parasitic diode figure 2
ultra-small package high-precision voltage detector rev.3.1 _00 s-808xxc series seiko instruments inc. 3 ? ? ? ? product name structure the detection voltage, output form and packages for s-808xxc series can be selected at the user's request. refer to the " 1. product name " for the construction of the product name and " 2. product name list " for the full product names. 1. product name 1-1. sc-82ab, sot-23-5, sot-89-3 packages s-808xx c x xx ? xxx ? t2 ic detection in tape specifications *1 t2: sc-82ab, sot-23-5, sot-89-3 product code *2 package code nb: sc-82ab mc: sot-23-5 ua: sot-89-3 output form n: nch open-drain output (active low) l: cmos output (active low) detection voltage value 08 to 60 (e.g. when the detection voltage is 0.8 v, it is expressed as 08.) *1. refer to the taping specifications at the end of this book. t2 is the standard. *2. refer to the table 1 and 3 in the ? 2. product name list ? 1-2. snt-4a packages s-808xx c x pf ? xxx tf g fixed ic detection in tape specifications *1 tf: snt-4a product code *2 package code pf: snt-4a output form n: nch open-drain output (active low) l: cmos output (active low) detection voltage value 08 to 60 (e.g. when the detection voltage is 0.8 v, it is expressed as 08.) *1. refer to the taping specifications at the end of this book. tf is the standard. *2. refer to the table 2 and 4 in the ? 2. product name list ?
ultra-small package high-precision voltage detector s-808xxc series rev.3.1 _00 4 seiko instruments inc. 1-3. to-92 package s-808xx c x y ? x packing form b: bulk t: tape and reel z: tape and ammo package code y: to-92 output form n: nch open-drain output (active low) l: cmos output (active low) detection voltage value 15 to 60 (e.g. when the detection voltage is 1.5 v, it is expressed as 15.) 2. product name list 2-1. nch open-drain output products table 1 (1/2) detection voltage range hysteresis width (typ.) sc-82ab sot-23-5 sot-89-3 0.8 v 2.0 % 0.034 v s-80808cnnb-b9m-t2 ? ? 0.9 v 2.0 % 0.044 v s-80809cnnb-b9n-t2 ? ? 1.0 v 2.0 % 0.054 v s-80810cnnb-b9o-t2 ? ? 1.1 v 2.0 % 0.064 v s-80811cnnb-b9p-t2 ? ? 1.2 v 2.0 % 0.073 v s-80812cnnb-b9q-t2 ? ? 1.3 v 2.0 % 0.083 v s-80813cnnb-b9r-t2 ? ? 1.4 v 2.0 % 0.093 v s-80814cnnb-b9s-t2 ? ? 1.5 v 2.0 % 0.075 v s-80815cnnb-b8a-t2 s-80815cnmc-b8a-t2 s-80815cnua-b8a-t2 1.6 v 2.0 % 0.080 v s-80816cnnb-b8b-t2 s-80816cnmc-b8b-t2 s-80816cnua-b8b-t2 1.7 v 2.0 % 0.085 v s-80817cnnb-b8c-t2 s-80817cnmc-b8c-t2 s-80817cnua-b8c-t2 1.8 v 2.0 % 0.090 v s-80818cnnb-b8d-t2 s-80818cnmc-b8d-t2 s-80818cnua-b8d-t2 1.9 v 2.0 % 0.095 v s-80819cnnb-b8e-t2 s-80819cnmc-b8e-t2 s-80819cnua-b8e-t2 2.0 v 2.0 % 0.100 v s-80820cnnb-b8f-t2 s-80820cnmc-b8f-t2 s-80820cnua-b8f-t2 2.1 v 2.0 % 0.105 v s-80821cnnb-b8g-t2 s-80821cnmc-b8g-t2 s-80821cnua-b8g-t2 2.2 v 2.0 % 0.110 v s-80822cnnb-b8h-t2 s-80822cnmc-b8h-t2 s-80822cnua-b8h-t2 2.3 v 2.0 % 0.115 v s-80823cnnb-b8i-t2 s-80823cnmc-b8i-t2 s-80823cnua-b8i-t2 2.4 v 2.0 % 0.120 v s-80824cnnb-b8j-t2 s-80824cnmc-b8j-t2 s-80824cnua-b8j-t2 2.4 v typ. 4.4 0.1 v *1 ? ? s-80824knua-d2b-t2 *2 2.5 v 2.0 % 0.125 v s-80825cnnb-b8k-t2 s-80825cnmc-b8k-t2 s-80825cnua-b8k-t2 2.6 v 2.0 % 0.130 v s-80826cnnb-b8l-t2 s-80826cnmc-b8l-t2 s-80826cnua-b8l-t2 2.7 v 2.0 % 0.135 v s-80827cnnb-b8m-t2 s-80827cnmc-b8m-t2 s-80827cnua-b8m-t2 2.8 v 2.0 % 0.140 v s-80828cnnb-b8n-t2 s-80828cnmc-b8n-t2 s-80828cnua-b8n-t2 2.9 v 2.0 % 0.145 v s-80829cnnb-b8o-t2 s-80829cnmc-b8o-t2 s-80829cnua-b8o-t2 3.0 v 2.0 % 0.150 v s-80830cnnb-b8p-t2 s-80830cnmc-b8p-t2 s-80830cnua-b8p-t2 3.1 v 2.0 % 0.155 v s-80831cnnb-b8q-t2 s-80831cnmc-b8q-t2 s-80831cnua-b8q-t2
ultra-small package high-precision voltage detector rev.3.1 _00 s-808xxc series seiko instruments inc. 5 table 1 (2/2) detection voltage range hysteresis width (typ.) sc-82ab sot-23-5 sot-89-3 3.2 v 2.0 % 0.160 v s-80832cnnb-b8r-t2 s-80832cnmc-b8r-t2 s-80832cnua-b8r-t2 3.3 v 2.0 % 0.165 v s-80833cnnb-b8s-t2 s-80833cnmc-b8s-t2 s-80833cnua-b8s-t2 3.4 v 2.0 % 0.170 v s-80834cnnb-b8t-t2 s-80834cnmc-b8t-t2 s-80834cnua-b8t-t2 3.5 v 2.0 % 0.175 v s-80835cnnb-b8u-t2 s-80835cnmc-b8u-t2 s-80835cnua-b8u-t2 3.6 v 2.0 % 0.180 v s-80836cnnb-b8v-t2 s-80836cnmc-b8v-t2 s-80836cnua-b8v-t2 3.7 v 2.0 % 0.185 v s-80837cnnb-b8w-t2 s-80837cnmc-b8w-t2 s-80837cnua-b8w-t2 3.8 v 2.0 % 0.190 v s-80838cnnb-b8x-t2 s-80838cnmc-b8x-t2 s-80838cnua-b8x-t2 3.9 v 2.0 % 0.195 v s-80839cnnb-b8y-t2 s-80839cnmc-b8y-t2 s-80839cnua-b8y-t2 4.0 v 2.0 % 0.200 v s-80840cnnb-b8z-t2 s-80840cnmc-b8z-t2 s-80840cnua-b8z-t2 4.1 v 2.0 % 0.205 v s-80841cnnb-b82-t2 s-80841cnmc-b82-t2 s-80841cnua-b82-t2 4.2 v 2.0 % 0.210 v s-80842cnnb-b83-t2 s-80842cnmc-b83-t2 s-80842cnua-b83-t2 4.3 v 2.0 % 0.215 v s-80843cnnb-b84-t2 s-80843cnmc-b84-t2 s-80843cnua-b84-t2 4.4 v 2.0 % 0.220 v s-80844cnnb-b85-t2 s-80844cnmc-b85-t2 s-80844cnua-b85-t2 4.5 v 2.0 % 0.225 v s-80845cnnb-b86-t2 s-80845cnmc-b86-t2 s-80845cnua-b86-t2 4.6 v 2.0 % 0.230 v s-80846cnnb-b87-t2 s-80846cnmc-b87-t2 s-80846cnua-b87-t2 4.6 v 0.10 v 0.10 v max. ? ? s-80846knua-d2c-t2 * 3 4.7 v 2.0 % 0.235 v s-80847cnnb-b88-t2 s-80847cnmc-b88-t2 s-80847cnua-b88-t2 4.8 v 2.0 % 0.240 v s-80848cnnb-b89-t2 s-80848cnmc-b89-t2 s-80848cnua-b89-t2 4.9 v 2.0 % 0.245 v s-80849cnnb-b9a-t2 s-80849cnmc-b9a-t2 s-80849cnua-b9a-t2 5.0 v 2.0 % 0.250 v s-80850cnnb-b9b-t2 s-80850cnmc-b9b-t2 s-80850cnua-b9b-t2 5.1 v 2.0 % 0.255 v s-80851cnnb-b9c-t2 s-80851cnmc-b9c-t2 s-80851cnua-b9c-t2 5.2 v 2.0 % 0.260 v s-80852cnnb-b9d-t2 s-80852cnmc-b9d-t2 s-80852cnua-b9d-t2 5.3 v 2.0 % 0.265 v s-80853cnnb-b9e-t2 s-80853cnmc-b9e-t2 s-80853cnua-b9e-t2 5.4 v 2.0 % 0.270 v s-80854cnnb-b9f-t2 s-80854cnmc-b9f-t2 s-80854cnua-b9f-t2 5.5 v 2.0 % 0.275 v s-80855cnnb-b9g-t2 s-80855cnmc-b9g-t2 s-80855cnua-b9g-t2 5.6 v 2.0 % 0.280 v s-80856cnnb-b9h-t2 s-80856cnmc-b9h-t2 s-80856cnua-b9h-t2 5.7 v 2.0 % 0.285 v s-80857cnnb-b9i-t2 s-80857cnmc-b9i-t2 s-80857cnua-b9i-t2 5.8 v 2.0 % 0.290 v s-80858cnnb-b9j-t2 s-80858cnmc-b9j-t2 s-80858cnua-b9j-t2 5.9 v 2.0 % 0.295 v s-80859cnnb-b9k-t2 s-80859cnmc-b9k-t2 s-80859cnua-b9k-t2 6.0 v 2.0 % 0.300 v s-80860cnnb-b9l-t2 s-80860cnmc-b9l-t2 s-80860cnua-b9l-t2 *1. describes the release voltage. *2. refer to the table 18 in ? ? electricala characteristics for customized products? for electrical characteristics. *3. refer to the table 20 in ? ? electricala characteristics for customized products? for electrical characteristics
ultra-small package high-precision voltage detector s-808xxc series rev.3.1 _00 6 seiko instruments inc. table 2 (1/2) detection voltage range hysteresis width (typ.) snt-4a to-92 *1 0.8 v 2.0 % 0.034 v s-80808cnpf-b9mtfg ? 0.9 v 2.0 % 0.044 v s-80809cnpf-b9ntfg ? 1.0 v 2.0 % 0.054 v s-80810cnpf-b9otfg ? 1.1 v 2.0 % 0.064 v s-80811cnpf-b9ptfg ? 1.2 v 2.0 % 0.073 v s-80812cnpf-b9qtfg ? 1.3 v 2.0 % 0.083 v s-80813cnpf-b9rtfg ? 1.4 v 2.0 % 0.093 v s-80814cnpf-b9stfg ? 1.5 v 2.0 % 0.075 v s-80815cnpf-b8atfg s-80815cny-x 1.6 v 2.0 % 0.080 v s-80816cnpf-b8btfg s-80816cny-x 1.7 v 2.0 % 0.085 v s-80817cnpf-b8ctfg s-80817cny-x 1.8 v 2.0 % 0.090 v s-80818cnpf-b8dtfg s-80818cny-x 1.9 v 2.0 % ? 0.095 v s-80819cnpf-b8etfg s-80819cny-x 2.0 v 2.0 % 0.100 v s-80820cnpf-b8ftfg s-80820cny-x 2.1 v 2.0 % 0.105 v s-80821cnpf-b8gtfg s-80821cny-x 2.2 v 2.0 % 0.110 v s-80822cnpf-b8htfg s-80822cny-x 2.3 v 2.0 % 0.115 v s-80823cnpf-b8itfg s-80823cny-x 2.4 v 2.0 % ? 0.120 v s-80824cnpf-b8jtfg s-80824cny-x 2.4 v typ. 4.4 0.1 v *2 ? s-80824kny-x *3 2.5 v 2.0 % 0.125 v s-80825cnpf-b8ktfg s-80825cny-x 2.6 v 2.0 % 0.130 v s-80826cnpf-b8ltfg s-80826cny-x 2.7 v 2.0 % 0.135 v s-80827cnpf-b8mtfg s-80827cny-x 2.8 v 2.0 % 0.140 v s-80828cnpf-b8ntfg s-80828cny-x 2.9 v 2.0 % 0.145 v s-80829cnpf-b8otfg s-80829cny-x 3.0 v 2.0 % 0.150 v s-80830cnpf-b8ptfg s-80830cny-x 3.1 v 2.0 % 0.155 v s-80831cnpf-b8qtfg s-80831cny-x 3.2 v 2.0 % 0.160 v s-80832cnpf-b8rtfg s-80832cny-x 3.3 v 2.0 % 0.165 v s-80833cnpf-b8stfg s-80833cny-x 3.4 v 2.0 % 0.170 v s-80834cnpf-b8ttfg s-80834cny-x 3.5 v 2.0 % 0.175 v s-80835cnpf-b8utfg s-80835cny-x 3.6 v 2.0 % 0.180 v s-80836cnpf-b8vtfg s-80836cny-x 3.7 v 2.0 % 0.185 v s-80837cnpf-b8wtfg s-80837cny-x 3.8 v 2.0 % 0.190 v s-80838cnpf-b8xtfg s-80838cny-x 3.9 v 2.0 % 0.195 v s-80839cnpf-b8ytfg s-80839cny-x 4.0 v 2.0 % 0.200 v s-80840cnpf-b8ztfg s-80840cny-x 4.1 v 2.0 % 0.205 v s-80841cnpf-b82tfg s-80841cny-x 4.2 v 2.0 % 0.210 v s-80842cnpf-b83tfg s-80842cny-x 4.3 v 2.0 % 0.215 v s-80843cnpf-b84tfg s-80843cny-x 4.4 v 2.0 % 0.220 v s-80844cnpf-b85tfg s-80844cny-x 4.5 v 2.0 % 0.225 v s-80845cnpf-b86tfg s-80845cny-x 4.6 v 2.0 % 0.230 v s-80846cnpf-b87tfg s-80846cny-x 4.6 v 0.10 v 0.10 v max. ? s-80846kny-x *4 4.7 v 2.0 % 0.235 v s-80847cnpf-b88tfg s-80847cny-x 4.8 v 2.0 % 0.240 v s-80848cnpf-b89tfg s-80848cny-x 4.9 v 2.0 % 0.245 v s-80849cnpf-b9atfg s-80849cny-x 5.0 v 2.0 % 0.250 v s-80850cnpf-b9btfg s-80850cny-x 5.1 v 2.0 % 0.255 v s-80851cnpf-b9ctfg s-80851cny-x
ultra-small package high-precision voltage detector rev.3.1 _00 s-808xxc series seiko instruments inc. 7 table 2 (1/2) detection voltage range hysteresis width (typ.) snt-4a to-92 *1 5.2 v 2.0 % 0.260 v s-80852cnpf-b9dtfg s-80852cny-x 5.3 v 2.0 % 0.265 v s-80853cnpf-b9etfg s-80853cny-x 5.4 v 2.0 % 0.270 v s-80854cnpf-b9ftfg s-80854cny-x 5.5 v 2.0 % 0.275 v s-80855cnpf-b9gtfg s-80855cny-x 5.6 v 2.0 % 0.280 v s-80856cnpf-b9htfg s-80856cny-x 5.7 v 2.0 % 0.285 v s-80857cnpf-b9itfg s-80857cny-x 5.8 v 2.0 % 0.290 v s-80858cnpf-b9jtfg s-80858cny-x 5.9 v 2.0 % 0.295 v s-80859cnpf-b9ktfg s-80859cny-x 6.0 v 2.0 % 0.300 v s-80860cnpf-b9ltfg s-80860cny-x *1. x changes according to the packing form in to-92. s: bulk, f: tape and reel, z: tape and ammo *2. describes the release voltage. *3. refer to the table 18 in ? ? electricala characteristics for customized products? for electrical characteristics. *4. refer to the table 20 in ? ? electricala characteristics for customized products? for electrical characteristics
ultra-small package high-precision voltage detector s-808xxc series rev.3.1 _00 8 seiko instruments inc. 2-2. cmos output products table 3 (1/2) detection voltage range hysteresis width (typ.) sc-82ab sot-23-5 sot-89-3 0.8 v 2.0 % 0.034 v s-80808clnb-b7m-t2 ? ? 0.9 v 2.0 % 0.044 v s-80809clnb-b7n-t2 ? ? 1.0 v 2.0 % 0.054 v s-80810clnb-b7o-t2 ? ? 1.1 v 2.0 % 0.064 v s-80811clnb-b7p-t2 ? ? 1.2 v 2.0 % 0.073 v s-80812clnb-b7q-t2 ? ? 1.3 v 2.0 % 0.083 v s-80813clnb-b7r-t2 ? ? 1.4 v 2.0 % 0.093 v s-80814clnb-b7s-t2 ? ? 1.5 v 2.0 % 0.075 v s-80815clnb-b6a-t2 s-80815clmc-b6a-t2 s-80815clua-b6a-t2 1.6 v 2.0 % 0.080 v s-80816clnb-b6b-t2 s-80816clmc-b6b-t2 s-80816clua-b6b-t2 1.7 v 2.0 % 0.085 v s-80817clnb-b6c-t2 s-80817clmc-b6c-t2 s-80817clua-b6c-t2 1.8 v 2.0 % 0.090 v s-80818clnb-b6d-t2 s-80818clmc-b6d-t2 s-80818clua-b6d-t2 1.9 v 2.0 % 0.095 v s-80819clnb-b6e-t2 s-80819clmc-b6e-t2 s-80819clua-b6e-t2 2.0 v 2.0 % 0.100 v s-80820clnb-b6f-t2 s-80820clmc-b6f-t2 s-80820clua-b6f-t2 2.1 v 2.0 % 0.105 v s-80821clnb-b6g-t2 s-80821clmc-b6g-t2 s-80821clua-b6g-t2 2.2 v 2.0 % 0.110 v s-80822clnb-b6h-t2 s-80822clmc-b6h-t2 s-80822clua-b6h-t2 2.3 v 2.0 % 0.115 v s-80823clnb-b6i-t2 s-80823clmc-b6i-t2 s-80823clua-b6i-t2 2.4 v 2.0 % 0.120 v s-80824clnb-b6j-t2 s-80824clmc-b6j-t2 s-80824clua-b6j-t2 2.5 v 2.0 % 0.125 v s-80825clnb-b6k-t2 s-80825clmc-b6k-t2 s-80825clua-b6k-t2 2.6 v 2.0 % 0.130 v s-80826clnb-b6l-t2 s-80826clmc-b6l-t2 s-80826clua-b6l-t2 2.7 v 2.0 % 0.135 v s-80827clnb-b6m-t2 s-80827clmc-b6m-t2 s-80827clua-b6m-t2 2.8 v 2.0 % 0.140 v s-80828clnb-b6n-t2 s-80828clmc-b6n-t2 s-80828clua-b6n-t2 2.9 v 2.0 % 0.145 v s-80829clnb-b6o-t2 s-80829clmc-b6o-t2 s-80829clua-b6o-t2 3.0 v 2.0 % 0.150 v s-80830clnb-b6p-t2 s-80830clmc-b6p-t2 s-80830clua-b6p-t2 3.1 v 2.0 % 0.155 v s-80831clnb-b6q-t2 s-80831clmc-b6q-t2 s-80831clua-b6q-t2 3.2 v 2.0 % 0.160 v s-80832clnb-b6r-t2 s-80832clmc-b6r-t2 s-80832clua-b6r-t2 3.3 v 2.0 % 0.165 v s-80833clnb-b6s-t2 s-80833clmc-b6s-t2 s-80833clua-b6s-t2 3.4 v 2.0 % 0.170 v s-80834clnb-b6t-t2 s-80834clmc-b6t-t2 s-80834clua-b6t-t2 3.5 v 2.0 % 0.175 v s-80835clnb-b6u-t2 s-80835clmc-b6u-t2 s-80835clua-b6u-t2 3.6 v 2.0 % 0.180 v s-80836clnb-b6v-t2 s-80836clmc-b6v-t2 s-80836clua-b6v-t2 3.7 v 2.0 % 0.185 v s-80837clnb-b6w-t2 s-80837clmc-b6w-t2 s-80837clua-b6w-t2 3.8 v 2.0 % 0.190 v s-80838clnb-b6x-t2 s-80838clmc-b6x-t2 s-80838clua-b6x-t2 3.9 v 2.0 % 0.195 v s-80839clnb-b6y-t2 s-80839clmc-b6y-t2 s-80839clua-b6y-t2 4.0 v 2.0 % 0.200 v s-80840clnb-b6z-t2 s-80840clmc-b6z-t2 s-80840clua-b6z-t2 4.1 v 2.0 % 0.205 v s-80841clnb-b62-t2 s-80841clmc-b62-t2 s-80841clua-b62-t2 4.2 v 2.0 % 0.210 v s-80842clnb-b63-t2 s-80842clmc-b63-t2 s-80842clua-b63-t2 4.3 v 2.0 % 0.215 v s-80843clnb-b64-t2 s-80843clmc-b64-t2 s-80843clua-b64-t2 4.4 v 2.0 % 0.220 v s-80844clnb-b65-t2 s-80844clmc-b65-t2 s-80844clua-b65-t2 4.45 v typ. 4.70 v max. *1 ? ? s-80844klua-d2a-t2 * 2 4.5 v 2.0 % 0.225 v s-80845clnb-b66-t2 s-80845clmc-b66-t2 s-80845clua-b66-t2 4.6 v 2.0 % 0.230 v s-80846clnb-b67-t2 s-80846clmc-b67-t2 s-80846clua-b67-t2 4.7 v 2.0 % 0.235 v s-80847clnb-b68-t2 s-80847clmc-b68-t2 s-80847clua-b68-t2 4.8 v 2.0 % 0.240 v s-80848clnb-b69-t2 s-80848clmc-b69-t2 s-80848clua-b69-t2 4.9 v 2.0 % 0.245 v s-80849clnb-b7a-t2 s-80849clmc-b7a-t2 s-80849clua-b7a-t2 5.0 v 2.0 % 0.250 v s-80850clnb-b7b-t2 s-80850clmc-b7b-t2 s-80850clua-b7b-t2 5.1 v 2.0 % 0.255 v s-80851clnb-b7c-t2 s-80851clmc-b7c-t2 s-80851clua-b7c-t2
ultra-small package high-precision voltage detector rev.3.1 _00 s-808xxc series seiko instruments inc. 9 table 3 (2/2) detection voltage range hysteresis width (typ.) sc-82ab sot-23-5 sot-89-3 5.2 v 2.0 % 0.260 v s-80852clnb-b7d-t2 s-80852clmc-b7d-t2 s-80852clua-b7d-t2 5.3 v 2.0 % 0.265 v s-80853clnb-b7e-t2 s-80853clmc-b7e-t2 s-80853clua-b7e-t2 5.4 v 2.0 % 0.270 v s-80854clnb-b7f-t2 s-80854clmc-b7f-t2 s-80854clua-b7f-t2 5.5 v 2.0 % 0.275 v s-80855clnb-b7g-t2 s-80855clmc-b7g-t2 s-80855clua-b7g-t2 5.6 v 2.0 % 0.280 v s-80856clnb-b7h-t2 s-80856clmc-b7h-t2 s-80856clua-b7h-t2 5.7 v 2.0 % 0.285 v s-80857clnb-b7i-t2 s-80857clmc-b7i-t2 S-80857CLUA-B7I-T2 5.8 v 2.0 % 0.290 v s-80858clnb-b7j-t2 s-80858clmc-b7j-t2 s-80858clua-b7j-t2 5.9 v 2.0 % 0.295 v s-80859clnb-b7k-t2 s-80859clmc-b7k-t2 s-80859clua-b7k-t2 6.0 v 2.0 % 0.300 v s-80860clnb-b7l-t2 s-80860clmc-b7l-t2 s-80860clua-b7l-t2 *1. describes the release voltage. *2. refer to the table 19 in ? ? electricala characteristics for customized products? for electrical characteristics. table 4 (1/2) detection voltage range hysteresis width (typ.) snt-4a to-92 *1 0.8 v 2.0 % 0.034 v s-80808clpf-b7mtfg ? 0.9 v 2.0 % 0.044 v s-80809clpf-b7ntfg ? 1.0 v 2.0 % 0.054 v s-80810clpf-b7otfg ? 1.1 v 2.0 % 0.064 v s-80811clpf-b7ptfg ? 1.2 v 2.0 % 0.073 v s-80812clpf-b7qtfg ? 1.3 v 2.0 % 0.083 v s-80813clpf-b7rtfg ? 1.4 v 2.0 % 0.093 v s-80814clpf-b7stfg ? 1.5 v 2.0 % 0.075 v s-80815clpf-b6atfg s-80815cly-x 1.6 v 2.0 % 0.080 v s-80816clpf-b6btfg s-80816cly-x 1.7 v 2.0 % 0.085 v s-80817clpf-b6ctfg s-80817cly-x 1.8 v 2.0 % 0.090 v s-80818clpf-b6dtfg s-80818cly-x 1.9 v 2.0 % 0.095 v s-80819clpf-b6etfg s-80819cly-x 2.0 v 2.0 % 0.100 v s-80820clpf-b6ftfg s-80820cly-x 2.1 v 2.0 % 0.105 v s-80821clpf-b6gtfg s-80821cly-x 2.2 v 2.0 % 0.110 v s-80822clpf-b6htfg s-80822cly-x 2.3 v 2.0 % 0.115 v s-80823clpf-b6itfg s-80823cly-x 2.4 v 2.0 % 0.120 v s-80824clpf-b6jtfg s-80824cly-x 2.5 v 2.0 % 0.125 v s-80825clpf-b6ktfg s-80825cly-x 2.6 v 2.0 % 0.130 v s-80826clpf-b6ltfg s-80826cly-x 2.7 v 2.0 % 0.135 v s-80827clpf-b6mtfg s-80827cly-x 2.8 v 2.0 % 0.140 v s-80828clpf-b6ntfg s-80828cly-x 2.9 v 2.0 % 0.145 v s-80829clpf-b6otfg s-80829cly-x 3.0 v 2.0 % 0.150 v s-80830clpf-b6ptfg s-80830cly-x 3.1 v 2.0 % 0.155 v s-80831clpf-b6qtfg s-80831cly-x 3.2 v 2.0 % 0.160 v s-80832clpf-b6rtfg s-80832cly-x 3.3 v 2.0 % 0.165 v s-80833clpf-b6stfg s-80833cly-x 3.4 v 2.0 % 0.170 v s-80834clpf-b6ttfg s-80834cly-x 3.5 v 2.0 % 0.175 v s-80835clpf-b6utfg s-80835cly-x 3.6 v 2.0 % 0.180 v s-80836clpf-b6vtfg s-80836cly-x 3.7 v 2.0 % 0.185 v s-80837clpf-b6wtfg s-80837cly-x 3.8 v 2.0 % 0.190 v s-80838clpf-b6xtfg s-80838cly-x
ultra-small package high-precision voltage detector s-808xxc series rev.3.1 _00 10 seiko instruments inc. table 4 (2/2) detection voltage range hysteresis width (typ.) snt-4a to-92 *2 3.9 v 2.0 % 0.195 v s-80839clpf-b6ytfg s-80839cly-x 4.0 v 2.0 % 0.200 v s-80840clpf-b6ztfg s-80840cly-x 4.1 v 2.0 % 0.205 v s-80841clpf-b62tfg s-80841cly-x 4.2 v 2.0 % 0.210 v s-80842clpf-b63tfg s-80842cly-x 4.3 v 2.0 % 0.215 v s-80843clpf-b64tfg s-80843cly-x 4.4 v 2.0 % 0.220 v s-80844clpf-b65tfg s-80844cly-x 4.45 v typ. 4.70 v max. *2 ? s-80844kly-x *3 4.5 v 2.0 % 0.225 v s-80845clpf-b66tfg s-80845cly-x 4.6 v 2.0 % 0.230 v s-80846clpf-b67tfg s-80846cly-x 4.7 v 2.0 % 0.235 v s-80847clpf-b68tfg s-80847cly-x 4.8 v 2.0 % 0.240 v s-80848clpf-b69tfg s-80848cly-x 4.9 v 2.0 % 0.245 v s-80849clpf-b7atfg s-80849cly-x 5.0 v 2.0 % 0.250 v s-80850clpf-b7btfg s-80850cly-x 5.1 v 2.0 % 0.255 v s-80851clpf-b7ctfg s-80851cly-x 5.2 v 2.0 % 0.260 v s-80852clpf-b7dtfg s-80852cly-x 5.3 v 2.0 % 0.265 v s-80853clpf-b7etfg s-80853cly-x 5.4 v 2.0 % 0.270 v s-80854clpf-b7ftfg s-80854cly-x 5.5 v 2.0 % 0.275 v s-80855clpf-b7gtfg s-80855cly-x 5.6 v 2.0 % 0.280 v s-80856clpf-b7htfg s-80856cly-x 5.7 v 2.0 % 0.285 v s-80857clpf-b7itfg s-80857cly-x 5.8 v 2.0 % 0.290 v s-80858clpf-b7jtfg s-80858cly-x 5.9 v 2.0 % 0.295 v s-80859clpf-b7ktfg s-80859cly-x 6.0 v 2.0 % 0.300 v s-80860clpf-b7ltfg s-80860cly-x *1. x changes according to the packing form in to-92. s: bulk, f: tape and reel, z: tape and ammo *2. describes the release voltage. *3. refer to the table 19 in ? ? electricala characteristics for customized products? for electrical characteristics.
ultra-small package high-precision voltage detector rev.3.1 _00 s-808xxc series seiko instruments inc. 11 ? ? ? ? output forms 1. output forms in s-808xxc series table 5 nch open-drain output products (active low) cmos output products (active low) s-808xxc series ?n? is the last letter of the product name. e.g. s-80815cn ?l? is the last letter of the product name. e.g. s-80815cl 2. output form and their usage table 6 usage nch open-drain output products (active low) cmos output products (active low) different power supplies yes no active low reset for cpus yes yes active high reset for cpus no no detection voltage change by resistor divider yes no ? example for two power supplies ? example for one power supply v/d nch v/d nch v/d cmos cpu cpu cpu v dd1 v dd2 v dd v dd out out out v ss v ss v ss figure 3
ultra-small package high-precision voltage detector s-808xxc series rev.3.1 _00 12 seiko instruments inc. ? ? ? ? pin configurations table 7 pin no. pin name pin description 1 out voltage detection output pin 2 vdd voltage input pin 3 nc *1 no connection 4 vss gnd pin 4 3 1 2 sc-82ab top view *1. the nc pin is electrically open. the nc pin can be connected to vdd or vss. figure 4 table 8 pin no. pin name pin description 1 out voltage detection output pin 2 vdd voltage input pin 3 vss gnd pin 4 nc *1 no connection 5 nc *1 no connection sot-23-5 top view 5 4 3 2 1 *1. the nc pin is electrically open. the nc pin can be connected to vdd or vss. figure 5 table 9 pin no. pin name pin description 1 out voltage detection output pin 2 vdd voltage input pin 3 vss gnd pin sot-89-3 top view 3 2 1 figure 6 table11 pin no. pin name pin description 1 out voltage detection output pin 2 vss gnd pin 3 nc *1 no connection 4 vdd voltage input pin snt-4a top view 1 4 2 3 *1. the nc pin is electrically open. the nc pin can be connected to vdd or vss. figure 8
ultra-small package high-precision voltage detector rev.3.1 _00 s-808xxc series seiko instruments inc. 13 table 10 pin no. pin name pin description 1 out voltage detection output pin 2 vdd voltage input pin 3 vss gnd pin to-92 bottom view 1 3 2 figure 7 ? ? ? ? absolute maximum ratings 1. detection voltage typ. 1.4 v or less products table 12 (ta = 25 c unless otherwise specified ) item symbol absolute maximum ratings unit power supply voltage v dd ? v ss 7 v output voltage nch open-drain output products v out v ss ? 0.3 to v ss + 7 cmos output products v ss ? 0.3 to v dd + 0.3 output current i out 50 ma power dissipation p d sc-82ab 150 mw snt-4a 140 operating ambient temperature topr ? 40 to + 85 c storage temperature tstg ? 40 to + 125 caution the absolute maximum ratings are rated values exceeding which the product could suffer physical damage. these values must therefore not be exceeded under any conditions. 2. detection voltage typ. 1.5 v or more products table 13 (ta = 25 c unless otherwise specified ) item symbol absolute maximum ratings unit power supply voltage v dd ? v ss 12 v output voltage nch open-drain output products v out v ss ? 0.3 to v ss + 12 cmos output products v ss ? 0.3 to v dd + 0.3 output current i out 50 ma power dissipation p d sc-82ab 150 mw sot-23-5 250 sot-89-3 500 snt-4a 140 to-92 400 operating ambient temperature topr ? 40 to + 85 c storage temperature tstg ? 40 to + 125 caution the absolute maximum ratings are rated values exceeding which the product could suffer physical damage. these values must therefore not be exceeded under any conditions.
ultra-small package high-precision voltage detector s-808xxc series rev.3.1 _00 14 seiko instruments inc. ? ? ? ? electrical characteristics 1. nch open-drain output products 1-1. detection voltage typ.1.4 v or less products table 14 (ta = 25 c unless otherwise specified) item symbol condition min. typ. max. unit test circuit detection voltage *1 ? v det ? ? v det(s) 0.98 ? v det(s) ? v det(s) 1.02 v 1 release voltage + v det s-80808 0.802 0.834 0.867 s-80809 0.910 0.944 0.979 s-80810 1.017 1.054 1.091 s-80811 1.125 1.164 1.203 s-80812 1.232 1.273 1.315 s-80813 1.340 1.383 1.427 s-80814 1.448 1.493 1.538 hysteresis width v hys s-80808 0.018 0.034 0.051 s-80809 0.028 0.044 0.061 s-80810 0.037 0.054 0.071 s-80811 0.047 0.064 0.081 s-80812 0.056 0.073 0.091 s-80813 0.066 0.083 0.101 s-80814 0.076 0.093 0.110 current consumption i ss v dd = 1.5 v s-80808 to 09 ? 1.3 3.5 a 2 v dd = 2.0 v s-80810 to 14 ? 1.3 3.5 operating voltage v dd ? 0.65 ? 5.0 v 1 output current i out output transistor, nch, v ds = 0.5 v, v dd = 0.7 v 0.04 0.2 ? ma 3 leakage current i leak output transistor, nch, v ds = 5.0 v, v dd = 5.0 v ? ? 60 na response time t plh ? ? ? 60 s 1 detection voltage temperature coefficient *2 det det v ta v ? ? ? ? ? ta =? 40 c to + 85 c ? 100 350 ppm/ c *1. ? v det : actual detection voltage value, ? v det(s) : specified detection voltage value (the center value of the detection voltage range in table 1 to 2 .) *2. the temperature change ratio in the detection voltage [mv/c] is calculated by using the following equation. [] () [] [] 1000 c ppm/ v ta v v typ. v c mv/ ta v det det det(s) det ? ? ? ? ? = ? ? ? ? 3 * 2 * *1 *1. temperature change ratio of the detection voltage *2. specified detection voltage *3. detection voltage temperature coefficient
ultra-small package high-precision voltage detector rev.3.1 _00 s-808xxc series seiko instruments inc. 15 1-2. detection voltage typ.1.5 v or more products table 15 (ta = 25 c unless otherwise specified) item symbol condition min. typ. max. unit test circuit detection voltage *1 ? v det ? ? v det(s) 0.98 ? v det(s) ? v det(s) 1.02 v 1 hysteresis width v hys ? ? v det 0.03 ? v det 0.05 ? v det 0.08 current consumption i ss v dd = 3.5 v s-80815 to 26 ? 0.8 2.4 a 2 v dd = 4.5 v s-80827 to 39 ? 0.8 2.4 v dd = 6.0 v s-80840 to 56 ? 0.9 2.7 v dd = 7.5 v s-80857 to 60 ? 0.9 2.7 operating voltage v dd ? 0.95 ? 10.0 v 1 output current i out output transistor, nch, v ds = 0.5 v v dd = 1.2 v s-80815 to 60 0.59 1.36 ? ma 3 v dd = 2.4 v s-80827 to 60 2.88 4.98 ? leakage current i leak output transistor, nch, v ds = 10.0 v, v dd = 10.0 v ? ? 100 na response time t plh ? ? ? 60 s 1 detection voltage temperature coefficient *2 det det v ta v ? ? ? ? ? ta =? 40 c to + 85 c ? 100 350 ppm/ c *1. ? v det : actual detection voltage value, ? v det(s) : specified detection voltage value (the center value of the detection voltage range in table 1 to 2 .) *2. the temperature change ratio in the detection voltage [mv/c] is calculated by using the following equation. [] () [] [] 1000 c ppm/ v ta v v typ. v c mv/ ta v det det det(s) det ? ? ? ? ? = ? ? ? ? 3 * 2 * *1 *1. temperature change ratio of the detection voltage *2. specified detection voltage *3. detection voltage temperature coefficient
ultra-small package high-precision voltage detector s-808xxc series rev.3.1 _00 16 seiko instruments inc. 2. cmos output products 2-1. detection voltage typ.1.4 v or less products table 16 (ta = 25 c unless otherwise specified) item symbol condition min. typ. max. unit test circuit detection voltage *1 ? v det ? ? v det(s) 0.98 ? v det(s) ? v det(s) 1.02 v 1 release voltage + v det s-80808 0.802 0.834 0.867 s-80809 0.910 0.944 0.979 s-80810 1.017 1.054 1.091 s-80811 1.125 1.164 1.203 s-80812 1.232 1.273 1.315 s-80813 1.340 1.383 1.427 s-80814 1.448 1.493 1.538 hysteresis width v hys s-80808 0.018 0.034 0.051 s-80809 0.028 0.044 0.061 s-80810 0.037 0.054 0.071 s-80811 0.047 0.064 0.081 s-80812 0.056 0.073 0.091 s-80813 0.066 0.083 0.101 s-80814 0.076 0.093 0.110 current consumption i ss v dd = 1.5 v s-80808 to 09 ? 1.3 3.5 a 2 v dd = 2.0 v s-80810 to 14 ? 1.3 3.5 operating voltage v dd ? 0.65 ? 5.0 v 1 output current i out output transistor, nch, v ds = 0.5 v, v dd = 0.7 v 0.04 0.2 ? ma 3 output transistor, pch, v ds = 2.1 v, v dd = 4.5 v 2.9 5.8 ? 4 response time t plh ? ? ? 60 s 1 detection voltage temperature coefficient *2 det det v ta v ? ? ? ? ? ta =? 40 c to + 85 c ? 100 350 ppm/ c *1. ? v det : actual detection voltage value, ? v det(s) : specified detection voltage value (the center value of the detection voltage range in table 3 to 4 .) *2. the temperature change ratio in the detection voltage [mv/c] is calculated by using the following equation. [] () [] [] 1000 c ppm/ v ta v v typ. v c mv/ ta v det det det(s) det ? ? ? ? ? = ? ? ? ? 3 * 2 * *1 *1. temperature change ratio of the detection voltage *2. specified detection voltage *3. detection voltage temperature coefficient
ultra-small package high-precision voltage detector rev.3.1 _00 s-808xxc series seiko instruments inc. 17 2-2. detection voltage typ.1.5 v or more products table 17 (ta = 25 c unless otherwise specified) item symbol condition min. typ. max. unit test circuit detection voltage *1 ? v det ? ? v det(s) 0.98 ? v det(s) ? v det(s) 1.02 v 1 hysteresis width v hys ? ? v det 0.03 ? v det 0.05 ? v det 0.08 current consumption i ss v dd = 3.5 v s-80815 to 26 ? 0.8 2.4 a 2 v dd = 4.5 v s-80827 to 39 ? 0.8 2.4 v dd = 6.0 v s-80840 to 56 ? 0.9 2.7 v dd = 7.5 v s-80857 to 60 ? 0.9 2.7 operating voltage v dd ? 0.95 ? 10.0 v 1 output current i out output transistor, nch, v ds = 0.5 v v dd = 1.2 v s-80815 to 60 0.59 1.36 ? ma 3 v dd = 2.4 v s-80827 to 60 2.88 4.98 ? output transistor, pch, v ds = 0.5 v v dd = 4.8 v s-80815 to 39 1.43 2.39 ? 4 v dd = 6.0 v s-80840 to 56 1.68 2.78 ? v dd = 8.4 v s-80857 to 60 2.08 3.42 ? response time t plh ? ? ? 60 s 1 detection voltage temperature coefficient *2 det det v ta v ? ? ? ? ? ta =? 40 c to + 85 c ? 100 350 ppm/ c *1. ? v det : actual detection voltage value, ? v det(s) : specified detection voltage value (the center value of the detection voltage range in table 3 to 4 .) *2. the temperature change ratio in the detection voltage [mv/c] is calculated by using the following equation. [] () [] [] 1000 c ppm/ v ta v v typ. v c mv/ ta v det det det(s) det ? ? ? ? ? = ? ? ? ? 3 * 2 * *1 *1. temperature change ratio of the detection voltage *2. specified detection voltage *3. detection voltage temperature coefficient
ultra-small package high-precision voltage detector s-808xxc series rev.3.1 _00 18 seiko instruments inc. ? ? ? ? test circuits 1. s-808xxc series v v dd vdd vss out v r *1 100 k ? *1. r is unnecessary for cmos output products. figure 9 2. s-808xxc series a v dd vdd vss out figure 10 3. s-808xxc series v v ds v dd vdd vss out v a figure 11 4. s-808xxc series v v dd v ds vdd vss out v a figure 12
ultra-small package high-precision voltage detector rev.3.1 _00 s-808xxc series seiko instruments inc. 19 ? ? ? ? timing chart 1. nch open-drain output products v out vdd vss r 100 k ? release voltage ( + v det ) detection voltage ( ? v det ) v dd v ss minimum operating voltage output from the out pin hysteresis width (v hys ) v dd v ss figure 13 2. cmos output products v out vdd vss release voltage ( + v det ) detection voltage ( ? v det ) v dd v ss minimum operating voltage hysteresis width (v hys ) output from the out pin v ss v dd remark for values of v dd less than minimum operating voltage, values of out terminal output is free in the shaded region. figure 14
ultra-small package high-precision voltage detector s-808xxc series rev.3.1 _00 20 seiko instruments inc. ? ? ? ? operation 1. basic operation: cmos output (active low) 1-1. when the power supply voltage (v dd ) is higher than the release voltage ( + v det ), the nch transistor is off and the pch transistor is on to provide v dd (high) at the output. since the nch transistor n1 in figure 15 is off, the comparator input voltage is c b a dd c b r r r v ) r r ( + + ? + . 1-2. when the v dd goes below + v det , the output provides the v dd level, as long as the v dd remains above the detection voltage ? v det . when the v dd falls below ? v det (point a in figure 16 ), the nch transistor becomes on, the pch transistor becomes off, and the v ss level appears at the output. at this time the nch transistor n1 in figure 15 becomes on, the comparator input voltage is changed to b a dd b r r v r + ? . 1-3. when the v dd falls below the minimum operating voltage, the output becomes undefined, or goes to the v dd when the output is pulled up to the v dd . 1-4. the v ss level appears when the v dd rises above the minimum operating voltage. the v ss level still appears even when the v dd surpasses ? v det , as long as it does not exceed the release voltage + v det . 1-5. when the v dd rises above + v det (point b in figure 16 ), the nch transistor becomes off and the pch transistor becomes on to provide v dd level at the output. v ref pch nch n1 r c r b r a ? + out vss vdd *1 *1 *1 *1. parasiteic diode figure 15 operation 1
ultra-small package high-precision voltage detector rev.3.1 _00 s-808xxc series seiko instruments inc. 21 hysteresis width (v hys ) a b v dd v ss minimum operating voltage output from the out pin v dd v ss (1) (2) (3) (5) (4) release voltage ( + v det ) detection voltage ( ? v det ) figure 16 operation 2 2. other characteristics 2-1. temperature characteristics of detection voltage the shaded area in figure 17 shows the temperature characteristics of the detection voltage. ? 40 25 + 0.945 mv/c ? v det [v] 85 ta [c] ? 0.945 mv/c ? v det25 *1 *1. ? v det25 is an actual detection voltage value at 25c. figure 17 temperature characteristics of detection voltage (example for s-80827c) 2-2. temperature characteristics of release voltage the temperature coefficient ta v det ? + ? for the release voltage is calculated by the temperature coefficient ta v det ? ? ? of the detection voltage as follows: ta v v v ta v det det det det ? ? ? ? + = ? + ? the temperature coefficients for the release voltage and the detection voltage have the same sign consequently.
ultra-small package high-precision voltage detector s-808xxc series rev.3.1 _00 22 seiko instruments inc. 2-3. temperature characteristics of hysteresis voltage the temperature characteristics for the hysteresis voltage is expressed as ta v ta v det det ? ? ? ? ? + ? and is calculated as follows: ta v v v ta v ta v det det hys det det ? ? ? ? = ? ? ? ? ? + ? ? ? ? ? standard circuit vdd out vss r * 1 100 k ? *1. r is unnecessary for cmos output products. figure 18 caution the above connection diagram and constants do not guarantee correct operation. perform sufficient evaluation using the actual application to set the constants. ? ? ? ? technical terms 1. detection voltage ( ? ? ? ? v det ), release voltage ( + + + + v det ) the detection voltage ( ? v det ) is a voltage at which the output turns to low. the detection voltage varies slightly among products of the same specification. the variation of detection voltage between the specified minimum ( ? v det ) min. and the maximum ( ? v det ) max. is called the detection voltage range (refer to figure 19 ). example: for the s-80815cn, the detection voltage lies in the range of 1.470 ( ? v det ) 1.530. this means that some s-80815cns have 1.470 v for ? v det and some have 1.530 v. the release voltage ( + v det ) is a voltage at which the output turns to high. the release voltage varies slightly among products of the same specification. the variation of release voltages between the specified minimum ( + v det ) min. and the maximum ( + v det ) max. is called the release voltage range (refer to figure 20 ). the range is calculed from the actual detection voltage ( ? v det ) of a product and is expressed by ? v det 1.03 + v det ? v det 1.08. example: for the s-80815cn, the release voltage lies in the range of 1.514 ( + v det ) 1.652. this means that some s-80815cns have 1.514 v for + v det and some have 1.652 v.
ultra-small package high-precision voltage detector rev.3.1 _00 s-808xxc series seiko instruments inc. 23 v dd out ( ? v det ) max. ( ? v det ) min. detection voltage range detection volta g e ( + v det ) max. ( + v det ) min. release voltage range v dd release volta g e out figure 19 detection voltage (cmos output products) figure 20 release voltage (cmos output products) remark although the detection voltage and release voltage overlap in the range of 1.514 v to 1.530 v, + v det is always larger than ? v det . 2. hysteresis width (v hys ) the hysteresis width is the voltage difference between the detection voltage and the release voltage (the voltage at point b ? the voltage at point a = v hys in figure 16 ). the existence of the hysteresis width prevents malfunction caused by noise on input signal. 3. through-type current the through-type current refers to the current that flows instantaneously at the time of detection and release of a voltage detector. the through-type current is large in cmos output products, small in nch open-drain output products. 4. oscillation in applications where a resistor is connected to the voltage detector input ( figure 13 ), taking a cmos active low product for example, the through-type current which is generated when the output goes from low to high (release) causes a voltage drop equal to [through-type current] [input resistance] across the resistor. when the input voltage drops below the detection voltage ( ? v det ) as a result, the output voltage goes to low level. in this state, the through-type current stops and its resultant voltage drop disappears, and the output goes from low to high. a through-type current is again generated, a voltage drop appears, and repeating the process finally induces oscillation. out vss vdd r b r a v in s-808xxcl figure 21 an example for bad implementation of input voltage divider
ultra-small package high-precision voltage detector s-808xxc series rev.3.1 _00 24 seiko instruments inc. ? ? ? ? electrical characteristics for customized products 1. s-80824knua-d2b-t2, s-80824kny-x table 18 (ta = 25 c unless otherwise specified) item symbol condition min. typ. max. unit test circuit detection voltage *1 ? v det ? 2.295 2.400 *2 2.505 v 1 release voltage + v det ? 4.300 4.400 4.500 current consumption i ss v dd = 6.0 v ? 0.8 2.4 a 2 operating voltage v dd ? 0.95 ? 10.0 v 1 output current i out v dd = 0.95 v 0.03 0.24 ? ma 3 output transistor, nch, v ds = 0.5 v v dd = 1.2 v 0.23 0.50 ? leakage current i leak output transistor, nch, v dd = 10.0 v, v ds = 10.0 v ? ? 0.1 a response time t plh ? ? ? 60 s 1 detection voltage temperature coefficient *3 det det v ta v ? ? ? ? ? ta =? 40c to 85c ? 100 350 ppm/c *1. ? v det : actual detection voltage value *2. specified detection voltage value ( ? v det(s) ) *3. the temperature change ratio in the detection voltage [mv/c] is calculated by using the following equation. [] () [] [] 1000 c ppm/ v ta v v typ. v c mv/ ta v det det det(s) det ? ? ? ? ? = ? ? ? ? 3 * 2 * *1 *1. temperature change ratio of the detection voltage *2. specified detection voltage *3. detection voltage temperature coefficient
ultra-small package high-precision voltage detector rev.3.1 _00 s-808xxc series seiko instruments inc. 25 2. s-80844klua-d2a-t2, s-80844kly-x table 19 (ta = 25 c unless otherwise specified) item symbol condition min. typ. max. unit test circuit detection voltage *1 ? v det ? 4.295 4.450 *2 4.605 v 1 release voltage + v det ? ? ? 4.700 current consumption i ss v dd = 6.0 v ? 1.0 3.0 a 2 operating voltage v dd ? 0.95 ? 10.0 v 1 output current i out v dd = 1.2 v 0.23 0.50 ? ma 3 output transistor, nch, v ds = 0.5 v v dd = 2.4 v 1.60 3.70 ? output transistor, pch, v ds = 0.5 v v dd = 4.8 v 0.36 0.62 ? 4 response time t plh ? ? ? 60 s 1 detection voltage temperature coefficient *3 det det v ta v ? ? ? ? ? ta =? 40c to 85c ? 100 350 ppm/c *1. ? v det : actual detection voltage value *2. specified detection voltage value ( ? v det(s) ) *3. the temperature change ratio in the detection voltage [mv/c] is calculated by using the following equation. [] () [] [] 1000 c ppm/ v ta v v typ. v c mv/ ta v det det det(s) det ? ? ? ? ? = ? ? ? ? 3 * 2 * *1 *1. temperature change ratio of the detection voltage *2. specified detection voltage *3. detection voltage temperature coefficient
ultra-small package high-precision voltage detector s-808xxc series rev.3.1 _00 26 seiko instruments inc. 3. s-80846knua-d2c-t2, s-80846kny-x table 20 (ta = 25 c unless otherwise specified) item symbol condition min. typ. max. unit test circuit detection voltage *1 ? v det ? 4.500 4.600 *2 4.700 v 1 hysteresis width v hys ? ? 0.05 0.10 current consumption i ss v dd = 6.0 v ? 0.9 2.7 a 2 operating voltage v dd ? 0.95 ? 10.0 v 1 output current i out v dd = 1.2 v 0.59 1.36 ? ma 3 output transistor, nch, v ds = 0.5 v v dd = 2.4 v 2.88 4.98 ? leakage current i leak output transistor, nch, v dd = 10.0 v, v ds = 10.0 v ? ? 0.1 a response time t plh ? ? ? 60 s 1 detection voltage temperature coefficient *3 det det v ta v ? ? ? ? ? ta =? 40c to 85c ? 100 350 ppm/c *1. ? v det : actual detection voltage value *2. specified detection voltage value ( ? v det(s) ) *3. the temperature change ratio in the detection voltage [mv/c] is calculated by using the following equation. [] () [] [] 1000 c ppm/ v ta v v typ. v c mv/ ta v det det det(s) det ? ? ? ? ? = ? ? ? ? 3 * 2 * *1 *1. temperature change ratio of the detection voltage *2. specified detection voltage *3. detection voltage temperature coefficient ? ? ? ? precautions ? do not apply an electrostatic discharge to this ic that exceeds the performance ratings of the built-in electrostatic protection circuit. ? in cmos output products of the s-808xxc series, the through-type current flows at the detection and the release. if the input impedance is high, oscillation may occur due to the voltage drop by the through-type current during releasing. ? when designing for mass production using an application circuit described herein, the product deviation and temperature characteristics should be taken into consideration. sii shall not bear any responsibility for the products on the circuits described herein. ? sii claims no responsibility for any and all disputes arising out of or in connection with any infringement of the products including this ic upon patents owned by a third party.
ultra-small package high-precision voltage detector rev.3.1 _00 s-808xxc series seiko instruments inc. 27 ? ? ? ? typical characteristics (typical data) 1. detection voltage (v det ) - temperature (ta) 0.75 0.80 0.85 0.90 -40 -20 0 20 40 60 80 ta (c) v det (v) s-80808cl +v det -v det 1.25 1.30 1.35 1.40 1.45 1.50 1.55 -40 -20 0 20 40 60 80 ta (c) v det (v) s-80814cl +v det -v det 1.45 1.50 1.55 1.60 -40-20 0 20406080 ta (c) v det (v) s-80815cl +v det -v det 5.80 5.90 6.00 6.10 6.20 6.30 6.40 -40 -20 0 20 40 60 80 ta (c) v det (v) s-80860cl +v det -v det 2. hysteresis voltage width (v hys ) - temperature (ta) 3.0 4.0 5.0 6.0 8.0 -40 -20 0 20 40 60 80 ta (c) v hys (%) s-80808cl 7.0 3.0 4.0 5.0 6.0 8.0 -40 -20 0 20 40 60 80 ta (c) v hys (%) s-80814cl 7.0 3.0 4.0 5.0 6.0 8.0 -40 -20 0 20 40 60 80 ta (c) v hys (%) s-80815cl 7.0 4.0 5.0 6.0 7.0 8.0 -40 -20 0 20 40 60 80 ta (c) v hys (%) s-80860cl 3.0
ultra-small package high-precision voltage detector s-808xxc series rev.3.1 _00 28 seiko instruments inc. 3. current consumption (i ss ) - input voltage (v dd ) 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 0 1.0 2.0 3.0 4.0 5.0 6.0 v dd (v) i ss ( a ta=25c 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 0 1.0 2.0 3.0 4.0 5.0 6.0 v dd (v) s-80814cl 21.5 a ta=25c i ss ( 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 0 2.0 4.0 6.0 8.0 10.0 12.0 v dd (v) i ss ( a ta=25c 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 0 2.0 4.0 6.0 8.0 10.0 12.0 v dd (v) s-80860cl 12.8 a ta=25c i ss ( a) 4. current consumption (i ss ) - temperature (ta) 0.0 0.5 1.0 1.5 2.0 -40 -20 0 20 40 60 80 ta (c) i ss ( a) s-80808cl v dd = 1.5 v 0.0 0.5 1.0 1.5 2.0 -40 -20 0 20 40 60 80 ta (c) i ss ( = 2.0 v 0.0 0.5 1.0 1.5 2.0 -40 -20 0 20 40 60 80 ta (c) i ss ( a) s-80815cl v dd = 3.5 v 0.0 0.5 1.0 1.5 2.0 -40 -20 0 20 40 60 80 ta (c) i ss ( = 7.5 v
ultra-small package high-precision voltage detector rev.3.1 _00 s-808xxc series seiko instruments inc. 29 5. nch transistor output current (i out ) ? v ds 0 1.0 2.0 3.0 4.0 5.0 0 0.5 1.0 1.5 2.0 2.5 v ds (v) i out (ma) s-80814cl/cn ta=25c v dd = 0.7 v v dd = 1.0 v dd = 1.3 v 0 10 20 30 40 50 0 1.0 2.0 3.0 4.0 5.0 v ds (v) i out (ma) 6.0 v s-80860cl/cn ta=25c v dd = 1.2 v 2.4 v 3.6 v 4.8 v 6. pch transistor output current (i out ) -v ds s-80808cl 0 1.0 2.0 3.0 4.0 5.0 0 0.5 1.0 1.5 2.0 2.5 v ds (v) i out (ma) ta=25oc v dd = 2.9v v dd = 2.4v v dd = 1.4 v v dd = 0.9 v v dd = 1.9 v s-80815cl 0 5 10 15 20 25 30 0 2.0 4.0 6.0 8.0 10.0 v ds (v) i out (ma) ta=25oc 8.4 v 7.2 v 6.0 v 3.6 v v dd = 2.4 v 4.8 v 7. nch transistor output current (i out ) - input voltage (v dd ) 0 1.5 3.0 4.5 6.0 0 0.5 1.0 1.5 2.0 v dd (v) i out (ma) s-80814cl/cn v ds = 0.5 v ta=85 ta=-40c ta=25c 0 5 10 15 20 0 2.0 4.0 6.0 8.0 v dd (v) i out (ma) s-80860cl/cn v ds = 0.5 v ta=-40c ta=25c ta=85c 8. pch transistor output current (i out ) - input voltage (v dd ) 0 0.5 1.0 1.5 2.0 2.5 3.0 0 1.0 2.0 3.0 4.0 5.0 6.0 v dd (v) i out (ma) s-80808cl v ds = 0.5 v ta=-40c ta=25c ta=85c 0 1 2 3 4 5 6 0 2.0 4.0 6.0 8.0 10.0 12.0 v dd (v) i out (ma) s-80815cl v ds = 0.5 v ta=-40c ta=25c ta=85c
ultra-small package high-precision voltage detector s-808xxc series rev.3.1 _00 30 seiko instruments inc. 9. minimum operating voltage - input voltage (v dd ) 0.0 0.3 0.6 0.9 1.2 0.0 0.2 0.4 0.6 1.0 v dd (v) v out (v) s-80808cn pull-up to v dd 100 k ? ta=-40c ta=25c ta=85c 0.8 0.0 1.0 2.0 3.0 4.0 0.2 0.4 0.6 0.8 1.0 v dd (v) v out (v) s-80808cn pull-up to 3 v ta=-40c ta=25c ta=85c 0.0 0.5 1.0 1.5 2.0 0 0.5 1.0 1.5 2.0 v dd (v) v out (v) s-80815cn pull-up to v dd 100 k ? ta=-40c ta=25c ta=85c 0.0 1.0 2.0 3.0 4.0 0 0.5 1.0 1.5 2.0 v dd (v) v out (v) s-80815cn pull-up to 3 v ta=-40c ta=25c ta=85c v out (v) pull-up pull-up 0.1 0 v dd (v) v ddmin 0.30 0.35 0.40 0.45 0.50 0.55 0.60 0.65 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 pull-up (v) v ddmin (v) s-80808cn pull-up to v dd :100 k ? ta=-40c ta=25c ta=85c remark v ddmin. is defined by the v dd voltage at which v out goes below 10 % of pull-up voltage when the v dd increase from 0 v. 0.40 0.45 0.50 0.55 0.60 0.65 0.70 0.75 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 11.0 12.0 pull-up (v) v ddmin (v) s-80815cn pull-up to v dd :100 k ? ta=-40c ta=25c ta=85c figure 22
ultra-small package high-precision voltage detector rev.3.1 _00 s-808xxc series seiko instruments inc. 31 10. dynamic response - c out 0.001 0.01 0.1 1 0.00001 0.0001 0.001 0.01 0.1 load capacitance ( f) response time (ms) s-80808cl ta=25c t plh t phl 0.001 0.01 0.1 1 10 100 0.00001 0.0001 0.001 0.01 0.1 load capacitance ( f) resopnse time (ms) s-80808cn ta=25c t phl t plh 0.001 0.01 0.1 1 0.00001 0.0001 0.001 0.01 0.1 load capacitanse ( f) response time (ms) s-80814cl ta=25c t plh t phl 0.001 0.01 0.1 1 10 100 0.00001 0.0001 0.001 0.01 0.1 load capacitance ( f) response time (ms) s-80814cn ta=25c t phl t plh 0.001 0.01 0.1 1 0.00001 0.0001 0.001 0.01 0.1 load capacitance ( f) response time (ms) s-80815cl ta=25c t plh t phl 0.001 0.01 0.1 1 10 100 0.00001 0.0001 0.001 0.01 0.1 load capacitance ( f) response time (ms) s-80815cn ta=25c t phl t plh 0.001 0.01 0.1 1 0.00001 0.0001 0.001 0.01 0.1 load capacitance ( f) response time (ms) s-80860cl ta=25c t plh t phl 0.001 0.01 0.1 1 10 100 0.00001 0.0001 0.001 0.01 0.1 load capacitance ( f) respone time (ms) s-80860cn ta=25c t phl t plh
ultra-small package high-precision voltage detector s-808xxc series rev.3.1 _00 32 seiko instruments inc. out vss vdd s-808xxc series v r *1 100 k ? c out v dd v v ih output voltage input voltagae v il v dd t phl t plh v ih = 10 v, v il = 0.95 v 1 s 1 s v dd 10 % v dd 90 % *1. r is unnecessary for cmos output products. figure 23 measurement condition for response time figure 24 measurement circuit for response time caution the above connection diagram and constants do not guarantee correct operation. perform sufficient evaluation using the actual application to set the constants. ? ? ? ? application circuit examples 1. microcomputer reset circuits if the power supply voltage to a microcomputer falls below the specified level, an unspecified operation may be performed or the contents of the memory register may be lost. when power supply voltage returns to normal, the microcomputer needs to be initialized before normal operations can be done. reset circuits protect microcomputers in the event of current being momentarily switched off or lowered. reset circuits shown in figures 25 to 26 can be easily constructed with the help of the s-808xxc series, that has low operating voltage, a high-precision detection voltage and hysteresis. vss vdd microcomputer s- 808xxcl vss (only for nch open-drain products) vdd1 vdd2 microcomputer s- 808xxcn figure 25 reset circuit example(s-808xxcl) figure 26 reset circuit example (s-808xxcn) caution the above connection diagram and constants do not guarantee correct operation. perform sufficient evaluation using the actual application to set the constants.
ultra-small package high-precision voltage detector rev.3.1 _00 s-808xxc series seiko instruments inc. 33 2. power-on reset circuit a power-on reset circuit can be constructed using nch open-drain output product of s-808 c series. ( nch open-drain products) out vin vss vdd s- 808xxcn r *1 c di *2 (r 75 k ? ) *1. resistor r should be 75 k ? or less to prevent oscillation. *2. diode di instantaneously discharges the charge stored in the capacitor (c) at the power falling,di can be removed when the delay of the falling time is not important. figure 27 v dd (v) t (s) out (v) t (s) figure 28 remark when the power rises sharply as shown in the figure 29 left, the output may goes to the high level for an instant in the undefined region where the output voltage is undefined since the power voltage is less than the minimum operation voltage. v dd (v) t (s) out (v) t (s) figure 29
ultra-small package high-precision voltage detector s-808xxc series rev.3.1 _00 34 seiko instruments inc. 3. change of detection voltage in nch open-drain output products of the s-808xxc series, detection voltage can be changed using resistance dividers or diodes as shown in figures 30 to 31 . in figure 30 , hysteresis width also changes. (nch open-drain output products) r a *1 out vin vss vdd + ? s- 808xxcn r b (ra 75 k ? ) det b b a v r r r voltagae detection ? ? + = hys b b a v r r r width hysterisis ? + = (nch open-drain output product) v f1 out vin vss vdd s- 808xxcn v f2 detection voltage=v f1 +v f2 +( ? v det ) *1. r a should be 75 k ? or less to prevent oscillation. caution if r a and r b are large, the hysteresis width may aloso be larger than the valu e given by the above equation due to the through-type current (which flows slightly in an nch open-drain product). figure 30 figure 31 caution the above connection diagram and constants do not guarantee correct operation. perform sufficient evaluation using the actual application to set the constants.

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the information described herein is subject to change without notice. seiko instruments inc. is not responsible for any problems caused by circuits or diagrams described herein whose related industrial properties, patents, or other rights belong to third parties. the application circuit examples explain typical applications of the products, and do not guarantee the success of any specific mass-production design. when the products described herein are regulated products subject to the wassenaar arrangement or other agreements, they may not be exported without authorization from the appropriate governmental authority. use of the information described herein for other purposes and/or reproduction or copying without the express permission of seiko instruments inc. is strictly prohibited. the products described herein cannot be used as part of any device or equipment affecting the human body, such as exercise equipment, medical equipment, security systems, gas equipment, or any apparatus installed in airplanes and other vehicles, without prior written permission of seiko instruments inc. although seiko instruments inc. exerts the greatest possible effort to ensure high quality and reliability, the failure or malfunction of semiconductor products may occur. the user of these products should therefore give thorough consideration to safety design, including redundancy, fire-prevention measures, and malfunction prevention, to prevent any accidents, fires, or community damage that may ensue.

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