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ha16141p/fp, HA16142P/fp pfc and pwm controller ade-204-036d (z) preliminary rev. 4 sep. 2001 description the ha16141p/fp and the HA16142P/fp are power supply controller ics combining an ac-dc converter switching controllers for power factor correction and off-line power supply switching controllers. pfc (power factor correction) section employs average current mode pwm and off-line power supply control section employs peak current mode pwm. the HA16142P/fp is the change version of ha16141p/fp?s pwm maximum on duty cycle. the pfc operation can be turned on and off by external control signal. use of this on/off function makes it possible to disable pfc operation at a low line voltage, or to perform remote control operation from the transformer secondary side. the pfc power supply boosted output voltage is not only fed to an error amplifier input signal but also fed to as the boost voltage monitor circuit. pg signal is put out if the boost voltage is out-of-spec. the pwm controller, which begins operation at the same time as release of the ic?s uvlo (under-voltage lockout) is suitable for auxiliary power supply use in a multi-output power supply system. features ? synchronized pfc and pwm timing ? self oscillation with fixed frequency pfc : 100 khz ( 15 %) pwm : 200 khz ( 15 %) ? pfc function on/off control ? pfc boosted output voltage monitor ? high-output current gate drivers pfc driver peak current : 1.5 a typ. pwm driver peak current : 1.0 a typ. ? pwm maximum on duty cycle 72% min (ha16141p/fp) 49.5% max (HA16142P/fp)
ha16141p/fp, HA16142P/fp rev.4, sep. 2001, page 2 of 18 pin arrangement (top view) 1 2 3 4 5 6 7 8 pwm-cs pwm-eo o.c pfc-eo tim pfc-fb iac pfc-on 16 15 14 13 12 11 10 9 gnd pwm-out pfc-out vcc vref pg cao pfc-cs pin description pin no. symbol function 1 gnd ground 2 pwm-out power mos fet driver output (pwm control) 3 pfc-out power mos fet driver output (pfc control) 4 vcc supply voltage 5 vref reference voltage 6 pg power good signal output (open-drain output) 7 cao average current control error amp. output 8 pfc-cs pfc control current sense signal input 9 pfc-on pfc function on/off signal input 10 iac multiplier reference current input 11 pfc-fb pfc control error amp. input 12 tim overcurrent timer time setting 13 pfc-eo pfc control error amp. output 14 o.c overcurrent detector signal input pwm control error amp. output (photocoupler input also possible) (ha16141 only) 15 pwm-eo pwm control feedback voltage signal input (ha16142 only) 16 pwm-cs pwm control current sense signal input
ha16141p/fp, HA16142P/fp rev.4, sep. 2001, page 3 of 18 block diagram 13 11 2.5v ? 0.5v pfc-fb 14 o.c 9 pfc-on pfc-eo pfc-v amp pwm-v amp pfc-c amp pfc-c limit 7 cao 4 5 vref 1 gnd 2 pwm-out 16 pwm-cs 3 pfc-out vcc 10 iac 2.5v 100khz 1.5a 200khz multiplier integrator latch res vcc vcc 5r 2.7k pfc/pwm supervisor 1.0a over current det. gain selector 8 pfc-cs pfc control uvlo vref oscillator pwm control r 12 6 tim 15 pwm-eo pg ha16141 only
ha16141p/fp, HA16142P/fp rev.4, sep. 2001, page 4 of 18 system diagram cao vcc ct 3.3n 36k vref rec+ 1.8m q1 b+ b+ out gnd (385v dc) t1 + rec ? pwm-res pfc-dt +b high ramp 22.2v 100 220p i ac i mo iac i mo = k {i ac (v eo ? 1v)} pfc-c amp pfc-v amp pwm-v amp 1 gain selector over current detector integrator latch block 910k k v eo 2.7k 0.1 (5w) tim pg pfc -cs pfc -eo 47n 750k pfc -fb pfc -on gnd note: the constants for the external components are for reference. please confirm the operation when designing the system. 4.7n from vrb(b+monitor) 55k ? 0.5v vref pfc-c limit ? + ? + + ? + ? + +b low pfc-off pwm-off circuit ground level 2.5v 2.75v 2.60v 2.5v rb 3.83v 3.63v r q supervisor k = 0.25 s r pwm-res q s r q s h uvlo l h vref good vref good vref good gate driver 1.5a(peak) gate driver 1a(peak) uvl l 5v vref generator 5v internal bias ? + ? + ? k = 0.05 logic 2.34v 1.70v + ? 1.5v 1.2v 0.1 51k 5.1k vref enable to secondary 33k 720k 2.2 + ? 1v 0.3v 5v 4v vcc logic 2.5v + ? + ? pwm -cs 2r r 5rb vcc 0.1 (1w) 1 (1w) to t1 to q1 gate from pfc-out from q2 drain to pfc-fb current monitor unit r: ? c: f + ? + ? 7.1v 0.1 38.2 3v 26.2 5.2 q s r q r s + ? ? + o.c vref pwm -eo pwm -out pfc -out 1n 0.1 0.47 470 (600v) 1n 51k + 4.7 570k (1/2w) 710k vrb 4.7k 100khz 3.4v 0.65v 200khz oscillator 500ns 10 s 5 s 1 s (ha16141) 2.3 s (ha16142) 820k 10n ha16141 only external parts of pwm-eo pin are applies to ha16141 only.
ha16141p/fp, HA16142P/fp rev.4, sep. 2001, page 5 of 18 absolute maximum ratings (ta = 25 c) item symbol rating unit note supply voltage v cc 20 v peak pfc-out current ipk-pfc 1.5 a 3 peak pwm-out current ipk-pwm 1.0 a 3 dc pfc-out current idc-pfc 0.15 a dc pwm-out current idc-pwm 0.10 a vi-group1 ? 0.3 to v cc v4 terminal voltage vi-group2 ? 0.3 to vref v 5 cao voltage vcao ? 0.3 to veoh-ca v pfc-eo voltage vpfc-eo ? 0.3 to veoh-pfc v pwm-eo voltage vpwm-eo ? 0.3 to veoh-pwm v pfc-on voltage vpfc-on ? 0.3 to +7 v iac voltage vi-ac ? 0.3 to +5 v iac current ii-ac 0.8 ma pfc-cs voltage vi-cs ? 1.5 to +0.3 v tim voltage vi-tim ? 0.3 to +6 v vref current io-ref ? 20 ma pg voltage vo-pg ? 0.3 to +7 v pg current io-pg 15 ma power dissipation p t 1w6 operating temperature topr ? 40 to +105 c storage temperature tstg ? 55 to +150 c junction temperature tj 150 c notes: 1. rated voltages are with reference to the gnd pin. 2. for rated currents, inflow to the ic is indicated by (+), and outflow by ( ? ). 3. shows the transient current when driving a capacitive load. 4. group1 is the rated voltage for the following pins: pfc-out, pwm-out 5. group2 is the rated voltage for the following pins: vref, pfc-fb, pwm-cs 6. this is the value when the ambient temperature (ta) is 25 c or below. if ta exceeds 25 c, the graph below applies. for the sop package, this value is based on actual measurements on a 10% wiring density glass epoxy circuit board (40 mm 40 mm 1.6 mm). 1 0.5 0 ? 40 0 50 100 150 25 c ? 8mw/ c 105 c ambient temperature ta ( c) maximum power dissipation p t (w)
ha16141p/fp, HA16142P/fp rev.4, sep. 2001, page 6 of 18 electrical characteristics (ta = 25 c, v cc = 14 v) item symbol min typ max unit test conditions start threshold v h 12.2 13.0 13.8 v shutdown threshold v l 9.4 10.0 10.6 v uvlo hysteresis dv uvl 2.6 3.0 3.4 v start-up current i s 150 200 300 av cc = 12v is temperature stability di s /dta ?? 0.3 ? %/ c* 1 operating current i cc 479maiac = 100 a, c l = 0f latch current i latch 230 310 375 av cc = 9v shunt zener voltage v z 21.2 22.2 23.2 v i cc = 14ma supply vz temperature stability dv z /dta ? +4 ? mv/ ci cc = 14ma * 1 minimum duty cycle dmin-pfc ?? 0 % cao = 3.6v maximum duty cycle dmax-pfc 90 95 98 % cao = 0v rise time t r -pfc ? 30 100 ns c l = 1000p fall time t f -pfc ? 30 100 ns c l = 1000p peak current ipk-pfc ? 1.5 ? ac l = 0.01 f * 1 vol1-pfc ? 0.05 0.2 v iout = 20ma vol2-pfc ? 0.35 1.4 v iout = 200ma low voltage vol3-pfc ? 0.03 0.7 v iout = 10ma, v cc = 5v voh1-pfc 13.5 13.9 ? v iout = ? 20ma pfc-out high voltage voh2-pfc 12.6 13.3 ? v iout = ? 200ma minimum duty cycle dmin-pwm ?? 0 % pwm-eo = 1.3v pwm-cs = 0v 72 80 88 % pwm-eo = 5v pwm-cs = 0v * 2 maximum duty cycle dmax-pwm 42.5 46 49.5 % pwm-eo = 5v pwm-cs = 0v * 3 rise time t r -pwm ? 30 100 ns c l = 1000p fall time t f -pwm ? 30 100 ns c l = 1000p peak current ipk-pwm ? 1.0 ? ac l = 0.01 f * 1 vol1-pwm ? 0.05 0.2 v iout = 20ma vol2-pwm ? 0.5 2.0 v iout = 200ma low voltage vol3-pwm ? 0.03 0.7 v iout = 10ma, v cc = 5v voh1-pwm 13.5 13.9 ? v iout = ? 20ma pwm-out high voltage voh2-pwm 12.0 13.0 ? v iout = ? 200ma output voltage vref 4.9 5.0 5.1 v isource = 1ma line regulation vref-line ? 5 20 mv isource = 1ma v cc = 12v to 18v load regulation vref-load ? 5 20 mv isource = 1ma to 20ma vref temperature stability dvref ? 80 ? ppm/ cta = ? 40 to 105 c * 1 note: 1. design spec. 2. apply to ha16141. 3. apply to ha16142.
ha16141p/fp, HA16142P/fp rev.4, sep. 2001, page 7 of 18 electrical characteristics (ta = 25 c, v cc = 14 v) (cont.) item symbol min typ max unit test conditions fpwm 170 200 230 khz measured pin: pwm-out initial accuracy fpfc 85 100 115 khz measured pin: pfc-out fpwm temperature stability dfpwm/dta ? 0.1 ? %/ cta = ? 40 to 105 c * 1 fpwm voltage stability fpwm(line) ? 1.5 +0.5 +1.5 % v cc = 12v to 18v ramp peak voltage vramp-h ? 3.4 3.6 v oscillator ramp valley volatge vramp-l ? 0.65 ? v* 1 pfc on voltage von-pfc 1.3 1.5 1.7 v pfc off voltage voff-pfc 1.0 1.2 1.4 v pfc on-off hysteresis dvon-off 0.15 0.30 0.45 v pfc-on input current ipfc-on ? 0.1 1.0 apfc-on = 2v pfc good threshold voltage vb-good 2.29 2.34 2.39 v input pin: pfc-fb pfc fail threshold voltage vb-fail 1.66 1.70 1.74 v input pin: pfc-fb +b high pfc inhibit voltage vb-h 2.69 2.75 2.81 v input pin: pfc-fb +b high pfc restart voltage vb-res 2.54 2.60 2.66 v input pin: pfc-fb pg leak current ioff-pg ? 0.001 1.0 a pg = 5v pg shunt current ion-pg 5 15 ? ma pg = 3v * 2 supervisor/ pg delay to pg tg-pg ? 0.2 1 s step signal (5 to 0v) to pfc-on o.c threshold voltage v oc 0.27 0.30 0.33 v pwm-cs threshold voltage v cs 0.9 1.0 1.1 v o.c (over current detector) o.c input current i oc ?? 0.1 ? 1.0 a o.c = 0v sink current isnk-tim 3.9 5.2 6.5 a tim = 2v source current o.c trigger isrc-tim1 ? 16 ? 21 ? 26 a tim = 2v, o.c = 0.5v * 1 source current pwm-cs trigger isrc-tim2 ? 25 ? 33 ? 41 a tim = 2v, pwm-cs = 2v * 1 integrated time o.c trigger t-tim1 88 110 132 s step signal (0 to 1v) to o.c, ctim = 1000p, measured pin: pg integrator integrated time pwm-cs trigger t-tim2 53 67 81 s step signal (0 to 2v) to pwm-cs, ctim = 1000p, measured pin: pg notes: 1. design spec. 2. maximum rating of pg current is 15 ma. use series resistor to limit pg current lower than 15 ma.
ha16141p/fp, HA16142P/fp rev.4, sep. 2001, page 8 of 18 electrical characteristics (ta = 25 c, v cc = 14 v) (cont.) item symbol min typ max unit test conditions threshold voltage for pfc stop vlch-pfc 2.4 2.5 2.6 v input pin: tim threshold voltage for pwm stop vlch-sys 3.8 4.0 4.2 v input pin: tim latch latch reset voltage vcc-res 6.1 7.1 8.1 v feedback v cc voltage vfb-pwm 14.2 14.8 15.4 v pwm-eo = 2.5v * 2 open loop gain av-pwm ? 45 ? db * 1, * 2 high voltage veoh-pwm 5.1 5.7 6.3 v v cc = 14v, pwm-eo: open low voltage veol-pwm ? 0.1 0.3 v v cc = 16v, pwm-eo: open * 2 source current isrc-pwm ?? 77 ? a* 1 v cc = 11v sink current isnk-pwm ? 77 ? a* 1 v cc = 18v * 2 pwm-v amp transconductance respect to v cc gm-pwm 19 27 35 a/v v cc = 15v, pwm-eo = 2.5v * 2 pwm current sense delay to output td-cs ? 210 300 ns pwm-eo = 5v, pwm-cs = 0 to 2v threshold voltage v lm ? 0.47 ? 0.50 ? 0.53 v pfc current limit delay to output td- lm ? 280 500 ns pfc-cs = 0 to ? 1v feedback voltage vfb-pfc 2.45 2.50 2.55 v pfc-eo = 2.5v input bias current ifb-pfc ? 0.30 ? 0.07 +0.30 a measured pin: pfc-fb open loop gain av-pfc ? 65 ? db * 1 high voltage veoh-pfc 5.1 5.7 6.3 v pfc-fb = 2.3v, pfc-eo: open low voltage veol-pfc ? 0.1 0.3 v pfc-fb = 2.7v, pfc-eo: open source current isrc-pfc ? 62 ? 77 ? 93 apfc-fb = 1.0v, pfc-eo = 2.5v sink current isnk-pfc 62 77 93 apfc-fb = 4.0v, pfc-eo = 2.5v pfc-v amp transconductance gm-pfcv 120 160 200 a/v pfc-fb = 2.5v, pfc-eo = 2.5v note: 1. design spec. 2. apply to ha16141.
ha16141p/fp, HA16142P/fp rev.4, sep. 2001, page 9 of 18 electrical characteristics (ta = 25 c, v cc = 14 v) (cont.) item symbol min typ max unit test conditions input offset voltage vio-ca ? 7 ? mv * 1 open loop gain av-ca ? 65 ? db * 1 high voltage veoh-ca 5.1 5.7 6.3 v low voltage veol-ca ? 0.1 0.3 v source current isrc-ca ?? 77 ? a cao = 2.5v * 1 sink current isnk-ca ? 77 ? a cao = 2.5v * 1 pfc-c amp transconductance gm-pfcc 120 160 200 a/v * 1 iac pin voltage viac 0.7 1.0 1.3 v iac = 100 a terminal offset current imo-offset ? 56 ? 75 ? 94 a iac = 0a, pfc-cs = 0v, measured pin: pfc-cs imo1 ?? 25 ? apfc-eo = 2v, iac = 100 a * 1, * 2 output current (pfc-on = 3.4v) imo2 ?? 75 ? apfc-eo = 4v, iac = 100 a * 1, * 2 imo3 ?? 5 ? apfc-eo = 2v, iac = 100 a * 1, * 2 output current (pfc-on = 3.9v) imo4 ?? 15 ? apfc-eo = 4v, iac = 100 a * 1, * 2 iac/ multiplier pfc-cs resistance rmo ? 2.7 ? k ? * 1 threshold voltage for k = 0.05 v k-h 3.71 3.83 3.95 v threshold voltage for k = 0.25 v k-l 3.51 3.63 3.75 v gain selector v k hysteresis voltage dv k 0.15 0.20 0.25 v * 1 notes: 1. design spec. 2. imo 1 to imo 4 are defined as, imo = (pfc-cs terminal current) ? (imo-offset) i ac imo iac imo = k {i ac (v eo ? 1v)} pfc-c amp pfc-cs terminal current imo-offset k v eo 2.7k pfc-cs 55k ? 0.5v vref pfc-c limit ? + ? + ? +
ha16141p/fp, HA16142P/fp rev.4, sep. 2001, page 10 of 18 internal timing 1. uvlo vcc vref vref good (internal signal) 5v 0v 0v 13v 10v 4.6v system enable 2. oscillator, gate driver output reference triangle wave ct 200 khz (internal signal) note: all numeric values in the figure are typical values. pwm-res (internal signal) pfc-dt (internal signal) pfc triangle wave ramp 100 khz (internal signal) pfc current amp. output cao pwm current sense pwm-cs pwm-out (trailing edge control) pfc-out (leading edge control) 3.2v 1.6v 3.4v 0.65v pwm voltage feedback (internal signal)
ha16141p/fp, HA16142P/fp rev.4, sep. 2001, page 11 of 18 3. pfc controller status pfc-on pfc-fb 1.2v notes: 1. 2. 3. all numeric values in the figure are typical values. pfc-on the ha16141p/fp can perform on/off control of the pfc function using the pfc-on pin. if an ac voltage that has undergone primary rectification and has been divided with an external resistance is input, pfc stoppage is possible in the event of a low input voltage. on/off control by means of a logic signal is also possible. pfc-fb the input to this pin is the voltage obtained by dividing the stepped-up pfc output voltage. the pin voltage is fed back to the pfc control system, and is also used for step-up voltage logic decisions. this is outlined in the figure below. 2.34v precondition: vref good, non latched. 1.5v pg pfc-out 2.75v 2.60v 1.5v 1.70v 2.34v 1.2v pg signal high due to low pfc-fb voltage normal operation pfc pulses stopped due to high pfc-fb voltage (overshoot prevention) pfc pulses stopped by pfc-on, and pg signal high 2.34v 2.75v 2.60v 1.70v hysteresis hysteresis pfc-out pulse stoppage (reduction of step-up voltage overshoot) pg (power good) signal is output feedback voltage 2.50v (note 3 is continued on the next page) pfc pulses stopped by pfc-on, and pg signal high pfc pulses stopped by pfc-on, and pg signal high pg signal high due to low pfc-fb voltage normal operation normal operation normal operation
ha16141p/fp, HA16142P/fp rev.4, sep. 2001, page 12 of 18 3. pfc controller status (cont.) step-up voltage +b 356v 418v 395v 259v 380v (typical output voltage) pfc-fb 2.34v 2.75v 2.60v 1.70v pfc-out pg 2.5v (pfc feedback voltage) precondition: vref good, pfc-on, non latched. power good period to multiplier notes: +b r1 3. notes: 4. pfc-fb (cont.) the actual input voltage to the pfc-fb pin is the step-up voltage divided with a resistance (see figure below). if r1 is set as 710 k w and r2 as 4.7 k w , the decision voltage at the step-up pin (+b) is as shown in the figure below. all numeric values in the figure are typical values. - + r2 710k w 2.5v pfc-v amp pfc-fb pfc-eo 4.7k w
ha16141p/fp, HA16142P/fp rev.4, sep. 2001, page 13 of 18 4. pfc-on pin ac voltage vac note: all numeric values in the figure are typical values. 157vac pfc status (internal status) precondition: vref good, non latched. pfc-on period em 0vac 62vac 149vac 49vac pfc-on 3.83v 0v 1.5v 3.63v 1.2v off on multiplier gain (internal status) 0.05 0.25 the following functions are effected by inputting an ac voltage that has undergone primary rectification and has been divided with an external resistance to the pfc-on pin (see figure below). a) turning pfc operation off when ac voltage is low b) switching multiplier gain with ac 100 v system and 200 v system input rec+ r1 switching multiplier gain - + r2 2.2 m f 720k w 3.83v 3.63v 1.5v 1.2v pfc-on 20k w pfc-on/off control - + pfc-on(dc) = 2 em / p r2 / (r1 + r2) =2 ( ? 2 ) vac / p r2 / (r1 + r2)
ha16141p/fp, HA16142P/fp rev.4, sep. 2001, page 14 of 18 5. integrator (oc detection operation) pwm-res (internal signal) o.c (overcurrent detection input) tim pin current (integral output current) tim pin voltage (integral output voltage) latch status (for pfc-stop) latch status (for pwm-stop) 0.3v 0 5.2 a ? 21 a 2.5v 0.2v pfc enable pwm enable pfc stop 3v t-tim1 note: timer time calculation equation timer time t-tim1 is the time until pg pin inversion (from low to high) after the o.c pin trigger. t-tim1 can be set using the following approximate equation. t-tim1 = ? ctim ? (vlch ? pfc ? 0.2v) / isrc ? tim1 = ? ctim ? (2.5v ? 0.2v) / ( ? 21 a) ? ? ? ? ? typical calculation
ha16141p/fp, HA16142P/fp rev.4, sep. 2001, page 15 of 18 6. integrator (pwm-cs detection operation) pwm-res (internal signal) pwm-cs (current sense input) tim pin current (integral output current) tim pin voltage (integral output voltage) latch status (for pfc-stop) latch status (for pwm-stop) 1v 0 5.2 a ? 33 a 2.5v 4v 0.2v pfc enable pwm enable pfc stop pwm stop t-tim2 t-tim2' note: timer time calculation equation timer time t-tim2 is the time until pg pin inversion (from low to high) after the pwm-cs pin trigger. t-tim2 can be set using the following approximate equation. t-tim2 the time at which both the pfc and pwm functions are stopped by this timer can be calculated using the following approximate equation. t-tim2' = 1.65 ? t ? tim2 ? ? ? ? ? typical calculation = ? ctim ? (vlch ? pfc ? 0.2v) / isrc ? tim2 = ? ctim ? (2.5v ? 0.2v) / ( ? 33 a) ? ? ? ? ? typical calculation
ha16141p/fp, HA16142P/fp rev.4, sep. 2001, page 16 of 18 mark pattern ejector pin ejector pin type code control code 1, 2: lot indication ha16141p (HA16142P) 1 2 3 notes: 1. example of lot indication. for example, a product manufactured in may 2000 has the markings "0e" in positions in the above figure. production month may month code jan a mar c feb b apr d jun f may e jul g sep j aug h oct k dec m nov l year 2000 indication 0 e 1 1 2 2 2. laser marking is used.
ha16141p/fp, HA16142P/fp rev.4, sep. 2001, page 17 of 18 package dimensions hitachi code jedec eiaj mass (reference value) dp-16 conforms conforms 1.07 g 6.30 19.20 16 9 8 1 1.3 20.00 max 7.40 max 7.62 0.25 + 0.13 ? 0.05 2.54 0.25 0.48 0.10 0.51 min 2.54 min 5.06 max 0? ? 15? 1.11 max as of january, 2001 unit: mm hitachi code jedec eiaj mass (reference value) fp-16da ? conforms 0.24 g *dimension including the plating thickness base material dimension *0.22 0.05 *0.42 0.08 0.12 0.15 m 2.20 max 5.5 10.06 0.80 max 16 9 1 8 10.5 max + 0.20 ? 0.30 7.80 0.70 0.20 0 ? ? 8 ? 0.10 0.10 1.15 1.27 0.40 0.06 0.20 0.04 as of january, 2001 unit: mm
ha16141p/fp, HA16142P/fp rev.4, sep. 2001, page 18 of 18 disclaimer 1. hitachi neither warrants nor grants licenses of any rights of hitachi?s or any third party?s patent, copyright, trademark, or other intellectual property rights for information contained in this document. hitachi bears no responsibility for problems that may arise with third party?s rights, including intellectual property rights, in connection with use of the information contained in this document. 2. products and product specifications may be subject to change without notice. confirm that you have received the latest product standards or specifications before final design, purchase or use. 3. hitachi makes every attempt to ensure that its products are of high quality and reliability. however, contact hitachi?s sales office before using the product in an application that demands especially high quality and reliability or where its failure or malfunction may directly threaten human life or cause risk of bodily injury, such as aerospace, aeronautics, nuclear power, combustion control, transportation, traffic, safety equipment or medical equipment for life support. 4. design your application so that the product is used within the ranges guaranteed by hitachi particularly for maximum rating, operating supply voltage range, heat radiation characteristics, installation conditions and other characteristics. hitachi bears no responsibility for failure or damage when used beyond the guaranteed ranges. even within the guaranteed ranges, consider normally foreseeable failure rates or failure modes in semiconductor devices and employ systemic measures such as fail- safes, so that the equipment incorporating hitachi product does not cause bodily injury, fire or other consequential damage due to operation of the hitachi product. 5. this product is not designed to be radiation resistant. 6. no one is permitted to reproduce or duplicate, in any form, the whole or part of this document without written approval from hitachi. 7. contact hitachi?s sales office for any questions regarding this document or hitachi semiconductor products. sales offices hitachi, ltd. semiconductor & integrated circuits nippon bldg., 2-6-2, ohte-machi, chiyoda-ku, tokyo 100-0004, japan tel: (03) 3270-2111 fax: (03) 3270-5109 copyright ? hitachi, ltd., 2001. all rights reserved. printed in japan. hitachi asia ltd. hitachi tower 16 collyer quay #20-00 singapore 049318 tel : <65>-538-6533/538-8577 fax : <65>-538-6933/538-3877 url : http://semiconductor.hitachi.com.sg url http://www.hitachisemiconductor.com/ hitachi asia ltd. (taipei branch office) 4/f, no. 167, tun hwa north road hung-kuo building taipei (105), taiwan tel : <886>-(2)-2718-3666 fax : <886>-(2)-2718-8180 telex : 23222 has-tp url : http://www.hitachi.com.tw hitachi asia (hong kong) ltd. group iii (electronic components) 7/f., north tower world finance centre, harbour city, canton road tsim sha tsui, kowloon hong kong tel : <852>-(2)-735-9218 fax : <852>-(2)-730-0281 url : http://semiconductor.hitachi.com.hk hitachi europe gmbh electronic components group dornacher stra?e 3 d-85622 feldkirchen postfach 201, d-85619 feldkirchen germany tel: <49> (89) 9 9180-0 fax: <49> (89) 9 29 30 00 hitachi europe ltd. electronic components group whitebrook park lower cookham road maidenhead berkshire sl6 8ya, united kingdom tel: <44> (1628) 585000 fax: <44> (1628) 585200 hitachi semiconductor (america) inc. 179 east tasman drive san jose,ca 95134 tel: <1> (408) 433-1990 fax: <1>(408) 433-0223 for further information write to: colophon 5.0

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