technical data IL91260C 10 memory tone/pulse dialer high-performance silicon-gate cmos ordering information IL91260C n t a = -20 to 7 0 c the IL91260C i s t one/ pul se swi t c habl e di al er wi t h t e n 16-di gi t num ber m e m o ri es and 32-di gi t redi al m e m o ry . pul s e t o t one m ode swi t c hi ng i s perform ed via a slide switch. ? 32-di gi t redi al m e m o ry (31 di gi t s i n t one m ode) ? ten i ndi rect m e m o ri es, 16 di gi t s i n pul se m ode, 15 di gi t s i n t one m ode ? tone/ p ul se m ode swi t c hi ng vi a sl i d e swi t c h (4.1 second pause in serted au to m a tically) ? w i de operat i ng vol t a ge: 1.8 v 5.5 v ? uses 480 khz ceram i c resonat o r ? low m e m o ry retention current ? selectable make/break ratio ? dial pu lse rate: 1 0 p p s pin assignment logic diagram pin 11 = gnd pin 10 = v cc keyboard assignments* 1 2 3 s r 1 4 5 6 a/ l r 2 7 8 9 p r 3 * 0 # r r 4 c1 c 2 c3 c4 s : store a/l : au to /lo catio n p : pause r : red i al
IL91260C pin description pin no. designation description 1 r 1 2 r 2 3 r 3 4 r 4 5 hk hook swi t c h i nput . w h en hk = v cc , an on-hook st at e exi s t s . w h en hk = gnd, an off-hook st at e exi s t s . 6 m / b di al pul se m a ke/ b reak rat i o sel ect i nput . if m / b = v cc , th e mak e /break ratio is 1 / 2 . if m / b = gnd, the m a ke/break ratio is 2/3. 7 m o d e s e l e c t pulse/dtmf m ode select input. if mode select = v cc , pulse m ode is in effect. if mode select = gnd, dtmf m ode is in effect. 8 9 osci osc0 oscillato r i/o. a 480 khz ceram i c resonat o r and t w o 100 pf seri al l o adi ng capaci t o rs form a co m p lete o s cillato r circu it. th e circu it is activ ated wh en hk is lo w. oscillato r start-u p tim e is typ i cally 1 0 m s . 1 0 v cc positive power supply. 11 gnd negat i v e power suppl y . 12 tone dtm f si gnal out put . pul l - down l o ad resi st ance i s 10,000 ? . th e m i n i m u m to n e an d idp d u r atio n s are b u ilt-in fo r b o t h n o r m a l d i alin g and redi al i ng. 13 xm ute transm i t m u t e out put . thi s i s an n-channel open drai n out put . the out put t r ansi st or i s swi t c hed on whi l e a sequence of di gi t s i s bei ng di al ed (for bot h pul s e and tone m odes). oth e rwise, it is switch e d o ff. 14 dp di al pul se out put . thi s pi n i s an n-channel open drai n out put . w h en dp out put i s l o w (swi t c hed on), i t serves as a break si gnal i n pul s e di al i ng. for ot her operations, dp output is norm a lly high im pedance (switched off). 1 5 c 1 1 6 c 2 1 7 c 3 1 8 c 4 key i nput s. w h en a row and a colum n are conn ected, a key operation is activated. scanni ng si gnal s are present on bot h t h e row and col u m n pi ns duri ng a val i d key - i n condi t i on. key i nput s. w h en a row and a colum n are conn ected, a key operation is activated. scanni ng si gnal s are present on bot h t h e row and col u m n pi ns duri ng a val i d key - i n condi t i on.
technical data operation procedures 5. (i i ) on/ o ff-hook st ore: 0 - 0 , s , d p . . . d p or d t . . . d t , a/l , loci symbol definitions: a. d t : t one di gi t , 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, *, # d p : pul s e di gi t , 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 6. di al i ng from r e pert ory m e m o ry 0 - 0 , a/l , loci, zizizi 0 - 0 b. loc i : i = 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 c. zi zi zi : c onversat i on m ode functional description d. 0 - 0 : off-hook 1. n-channel open drain output - dp, xm ute e. 0 - 0 : on-hook f igure 1. f. : input level from low t o hi gh g. : input level from hi gh t o low recommended dialing, redialing, mixed dialing and stori n g operati ons: 1. norm al di al i ng i n pul se m ode 0 - 0 , d p . . . d p , zizizi 0 - 0 2. norm al di al i ng i n t one m ode 0 - 0 , d t . . . d t , zizizi 0 - 0 3. m i xed di al i ng i n pul se-t o-t one m ode 0 - 0 , d p . . . d p , mode select , d t . . . d t , zizizi 0 - 0 2. dtm f generator the di gi t a l l y sy nt hesi zed si newave of t h e in91260 seri es i s wel l desi gned, wi t h a 6 l e vel , 12 segm ent , 1/ 2 v cc reference voltage. the thd (total harm onic di st ort i on) of t h e dtm f out put i s t y pi cal l y 1%, when v cc = 2.5 v t o 5.5 v and frequency i s i n t h e 500 hz t o 3400 hz band. 4. r e di al i ng 0 - 0 , d p . . . d p 0 - 0 , 0 - 0 , r, zizizi, 0 - 0 0 - 0 , d t . . . d t 0 - 0 , 0 - 0 , r, zizizi, 0 - 0 st ori ng num b ers t o r e pert ory m e m o ry (i ) off-hook st ore 0 - 0 , s , d p . . . d p or d t . . . d t , a/l , loci, 0 - 0 maximum ratings * sym b o l p a r a m e t e r valu e un i t vcc dc suppl y vol t a ge (referenced t o gnd) -0.3 t o +6.0 v vin dc input vol t a ge (referenced t o gnd) -0.3 t o vcc +0.3 v vout dc output voltage (referenced to gnd) -0.3 to vcc +0.3 v vout dc output voltage (dp, xm ute) -0.3 to 1.2 v itone dc out put c u rrent (tone) 50 m a p d po wer dissip a tio n in still air, plastic dip ** 5 0 0 m w tst g st orage tem p erat ure -40 t o +125 c * m a xi m u m r a t i ngs are t hose val u es bey ond whi c h dam a ge t o t h e devi ce m a y occur. functional operation should be restricted to the reco m m e nded operating conditions. ** durat i ng: -10 mw / c from 65 c to 7 0 c.
technical data recommended operating conditions s y m b o l p a r a m e t e r m i n m a x u n i t v cc dc suppl y vol t a ge (referenced t o gnd) 1.8 5.5 v v in dc input vol t a ge (referenced t o gnd) 0 v cc v v out dc output voltage (referenced to gnd) 0 v cc v t a operat i ng tem p erat ure -20 +70 c thi s devi ce cont ai ns prot ect i on ci rcui t r y t o guard agai ns t dam a ge due t o hi gh st at i c vol t a ges or el ect ri c fi el ds. however, precautions m u st be taken to avoid applications of any voltage highe r than m a xim u m rated voltages to this hi gh-i m pedance ci rcui t . for proper operat i on, v in and v out shoul d be const r ai ned t o t h e range gnd (v in or v out ) v cc . unused i nput s m u st al way s be t i e d t o an appropri a t e l ogi c vol t a ge l e vel (e.g., ei t h er gnd or v cc ). unused out put s m u st be l e ft open. dc electrical characteristics (voltages referenced to gnd, v cc =1.8 v to 5.5 v, t a = -20 to +70 c) g u a r a n t e e d limits s y m b o l p a r a m e t e r test c o n d i t i o n s m i n m a x u n i t v ih hi gh-level input vol t a ge 0.8v cc v cc v v il low-level input vol t a ge 0 0.2v cc v v mr m i n i mu m m e mo r y reten tio n vo ltag e v cc = 1.0 v 1.5 v r load = 10 k ? v cc = 2.5 v 5 4 0 6 4 0 r load = 10 k ? v cc = 5.5 v 1 0 0 1 3 0 0 r load = 10 k ? v cc = 2.5 v 4 1 0 4 9 0 r load = 10 k ? v cc = 5.5 v 8 5 0 9 9 0 i c * c o l u m n input c u rrent v in =3.5 v al l out put s unl oaded 0.6 2.0 m a i r * r o w input c u rrent v in = 0 v al l out put s unl oaded 5 50 a i ol1 v cc = 3.5 v, v ol = 0.4 v 0.7 m a i ol2 v cc = 2.0 v, v ol = 0.4 v 0.2 m a i mr m a x i mu m m e mo r y r e t e nt i on c u rrent v cc = 1.0 v, hk = v cc al l out put s unl oaded 0 . 6 a v cc =3.5 v 0.7 v cc =5.5 v 2.1 v cc =3.5 v 1.3 v cc =5.5 v 3.9 i sd m a xi m u m st andby current v cc = 2.5 v, hk = gnd al l out put s unl oaded 7 . 0 a t wi s t pre.-em p h a s i s v cc = 3.5 v 1 3 db v v val l e y of si ngl e tone v cc = 3.5 v 0.3 6.0 v dd dis% di st ort i on *not e 1, v cc = 3.5 v 6.0 % si ngl e c o l u m n tone out put am pl i t ude si ngl e r o w tone out put am pl i t ude m a xi m u m suppl y operat i on c u rrent i cct i ccp m i ni m u m si nk out put current dp, xm ute oscillator running; al l out put s unl oaded, v il = 0, v ih = v cc v or * v oc * mv p - p mv p - p ma ma * @ 25 c
IL91260C note 1: dis% = a. v 1 . . . v n are t h e i n t e rm odul at i on or t h e harm oni c frequenci e s i n t h e 500 hz t o 3400 hz band. b. v oc and v or are t h e i ndi vi dual frequency com ponent s of t h e dtm f si gnal . ac electrical characteristics (all voltages referenced to gnd. v cc = 1.8 v t o 5.5 v, t a = -20 to +7 0 c, f osk = 480 khz) g u a r a n t e e d l i m i t s s y m b o l p a r a m e t e r t e s t conditions m i n m a x u n i t pulse m / b = 1/ 2 30 35 m / b = 2/ 3 38 42 m / b = 1/ 2 64 69 m / b = 2/ 3 57 63 m / b = 1/ 2 790 815 m / b = 2/ 3 790 815 m / b = 1/ 2 820 860 m / b = 2/ 3 820 860 m / b = 1/ 2 0 3 m / b = 2/ 3 0 3 tone t mfd m i ni m u m tone durat i on (fi gure 3) 100 120 m s t tidp min i m u m to n e in ter-dig it pau s e (xm u te) (fi gure 3) 1 0 0 1 2 0 m s t tpdp tone out put pre-di gi t pause (fi gure 3) 115 145 m s t mdt xm ute del a y ti m e (fi gure 3) 100 120 m s t ap aut o pause ti m e (fi gure 4) 3.9 4.3 s t start oscillato r start-u p tim e (fig u r e 2 ) 4 1 3 m s t ms xm ute st art - up ti m e (fi gure 2) 25 35 m s key-in t kd key p ad debounce ti m e (fi gure 2) 19 25 m s f ks key scan frequency c1 c4 , r1 r4 3 6 5 3 9 0 h z m a ke ti m e (fi gure 2) break tim e (figure 2) int e r di gi t pause ti m e (fi gure 2) pre-di gi t pause (fi gure 2) xm ute, delay tim e (figure 2) 100.(v 1 2 + v 2 2 +. . . + v n 2 ) 1 / 2 (v oc 2 + v or 2 ) 1 / 2 ms t m ms t b ms t idp ms t pdp ms t mdp
IL91260C comparisons of specified vs. actual tone frequencies r / c s p e c . a c t u a l error(% ) u n i t c o n d i t i o n s r 1 6 9 7 6 9 5 . 6 5 - 0 . 1 9 h z r 2 7 7 0 7 6 9 . 2 3 - 0 . 1 h z r 3 8 5 2 8 5 1 . 0 6 - 0 . 1 1 h z r 4 9 4 1 9 4 1 . 1 8 + 0 . 0 2 h z f osc =480 khz c 1 1 , 2 0 9 1 , 2 1 2 . 1 2 + 0 . 2 6 h z c 2 1 , 3 3 6 1 , 3 3 3 . 3 3 - 0 . 2 h z c 3 1 , 4 7 7 1 , 4 8 1 . 4 8 + 0 . 3 h z figure 2. pulse mode fi gure 3. t o ne mode
IL91260C figure 4. normal pulse to tone mixed dialing via slide switch expanded logic diagram
IL91260C n s u f f i x p l as t i c di p (m s - 0 0 1 a c ) sy m b o l m i n m a x a 22. 35 23. 37 b 6. 1 7 . 1 1 c 5. 33 d 0. 36 0. 56 f 1. 14 1. 78 g h j 0 10 k 2. 92 3. 81 no t e s : l 7. 62 8. 26 1. d i m e n s i o n s ?a ?, ?b ? d o n o t i n cl u d e m o l d f l as h o r p r o t r u s i o n s . m 0. 2 0 . 3 6 m a x i m u m m o l d f l a s h o r p r o t r u s i o n s 0. 25 m m ( 0 . 010) p e r s i d e . n 0. 38 2. 54 7. 62 d i me n s i o n , mm l h m j a b f g d se a t i n g pl an e n k 0.2 5 ( 0 . 010 ) m t -t - c 1 18 9 10
|
