View W9143XN_1775875.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

w91430n series 13-memory tone/pulse dialer with save function publication release date: may 1997 - 1 - revision a3 general description the w91430n series are si-gate cmos ics that provide the necessary signals for either tone or pulse dialing. the w91430n series features save memory and a 13 by 16 digit automatic dialing memory. features ? dtmf/pulse switchable dialer ? two by 32 digit redial and save memory ? three by 16 digit one-touch direct memory ? ten by 16 digit two-touch direct memory ? redial memory cascadable with normal dialing; dialing length is unlimited, but if length oversteps 32-digit the redial function is inhibited ? pulse-to-tone (*/t) keypad for long distance call operation ? uses 5 5 keyboard ? easy operation with redial, flash, pause and */t keypads ? flash, pause, p t (pulse-to-tone) can be stored as a digit in memory ? dialing rate (10, 20 pps ) selected by bonding option ? on hook debounce time: 150 msec. ? minimum tone output duration: 93 msec. ? minimum intertone pause: 93 msec. ? flash break time (73, 100, 300, 600 msec.) selectable by keypad; pause time is 1 sec. ? on-chip power-on reset ? uses 3.579545 mhz crystal or ceramic resonator ? packaged in 18-pin plastic dip ? the different dialers in the w91430n series are shown in the following table: type no. replacement type no. pulse (pps) flash (ms) pause (s) m/b w91432n w91432 10 600/300/73/100 3.6 pin w91444 w91446 w91447 w91445 w91434g w91435g w91433n w91433 20 600/300/73/100 3.6 pin
w91430n series - 2 - pin configuration c1 c2 c3 c4 ss v xt xt 1 2 3 4 5 6 7 8 9 t/p mute hks dtmf mode r4 r3 r2 r1 v dd dp 12 18 17 16 15 14 10 11 13 c5 pin description symbol pin i/o function column- row inputs 1 ? 5 & 15 ? 18 i the keyboard inputs may be used with either a standard 5 5 keyboard or an inexpensive single contact (form a) keyborad. electronic input from a c can also be used. a valid key in is defined as a single row being connected to a single column. xt, xt 7, 8 i, o a built-in inverter provides oscillation with an inexpensive 3.579545 mhz crystal or ceramic resonator. t/p mute 9o the t/p mute is a conventional cmos n-channel open drain output. the output transistor is switched on during dialing sequence and flash break time. otherwise, it is switched off. mode 13 i pulling mode pin to v ss places the dialer in tone mode. pulling mode pin to v dd places the dialer in pulse mode with m/b ratio 40:60 (20 pps only for w91433n and 10 pps for the others, m/b = 40:60). floating mode pin places the dialer in pulse mode with m/b ratio 33:67 (20 pps only for w91433n and 10 pps for the others).
w91430n series publication release date: may 1997 - 3 - revision a3 pin description, continued symbol pin i/o function hks 10 i hook switch input. hks = v dd : on-hook state. chip in sleeping mode, no operation. hks = v ss : off-hook state. chip is enabled for normal operation. hks pin is pulled to v dd by internal resistor. dp 11 o n-channel open drain dialing pulse output. flash key will cause dp to be active in either tone mode or pulse mode. the timing diagram in pulse mode is shown in figure 1(a, b, c). v dd , v ss 14, 6 i power input pins. dtmf 12 o in pulse mode, this pin remains in low state at all time. in the tone mode, it will output a dual or single tone. detailed timing diagram for tone mode is shown in figure 2(a, b, c). specified actual error % output frequency r1 r2 r3 r4 c1 c2 c3 697 770 852 941 1209 1336 1477 699 766 848 948 1216 1332 1472 +0.28 -0.52 -0.47 +0.74 +0.57 -0.30 -0.34
w91430n series - 4 - block diagram row column dtmf xt xt mode ram counter system clock generator location latch d/a row & column programmable counter data latch & decoder read/write (r1 to r4, vx) (c1 to c5) t/p mute control logic pulse control logic keyboard interface converter hks dp functional description keyboard operation c1 c2 c3 c4 c5 123sm1r1 456f4m2r2 789am3r3 ? /t 0 # r/p save r4 f1 f2 f3 vx ? s: store function key ? a: indirect repertory dialing function key ? r/p: redial and pause function key ? save: save function key ? ? /t: ? in tone mode and p t in pulse mode ? m1 to m3: one-touch memory ? f1, ..., f4: flash keys, f1 = 600 ms, f2 = 300 ms, f3 = 73 ms, f4 = 100 ms note: d1, ..., dn, d1', ..., dn': 0, ..., 9, */t, #; mn: m1, ..., m3; ln: 0, ..., 9 ; fn: f1, ..., f4
w91430n series publication release date: may 1997 - 5 - revision a3 normal dialing off hook , d1 , d2 , ..., dn 1. d1, d2, , dn will be dialed out. 2. dialing length is unlimited, but redial is inhibited if length oversteps 32 digits in normal dialing. redialing off hook , d1 , d2 , ..., dn busy, come on hook , off hook , r/p 1. the redial memory content will be dialed out. 2. the r/p key can execute the redial function only as the first key-in after off-hook; otherwise, it executes pause function. 3. if redialing length oversteps 32 digits, the redialing function will be inhibited. number store off hook , d1 , d2 , ..., dn , s , s , mn (or ln ) 1. if the sequence of the dialed digits d1, d2, ..., dn has not finished, s will be ignored. 2. d1, d2, ..., dn will be stored in memory location and dialed out. off hook , s , d1 , d2 , ..., dn , s , mn (or ln ) 3. d1, d2, ..., dn will be stored in memory location but will not be dialed out. 4. r/p and */t keys can be stored as a digit in memory. in store mode, r/p is the pause function key; */t is the pulse to tone function key. 5. the store mode is released after the store function is executed or when the state of the hook switch is changed. repertory dialing 1. off hook , mn 2. off hook , a , ln access pause off hook , d1 , d2 , r/p , d3 , ..., dn 1. the pause function can be stored as a digit in memory. 2. the pause function is executed in normal dialing, redial dialing, or memory dialing. 3. a detailed timing diagram for the pause function is shown in figure 3.
w91430n series - 6 - pulse-to-tone (*/t) off hook , d1 , d2 , ..., dn , */t , d1' , d2' , ..., dn' 1. if the mode switch is set in pulse mode, then the output signal will be: d1, d2, , dn, pause (3.6 sec.), d1', d2', , dn' (pulse) (tone ) 2. if the mode switch is set in tone mode, then the output signal will be the form as follow: d1, d2, ..., dn, *, d1', d2', ..., dn' (tone) (tone) 3. the dialer remains in tone mode when the digits have been dialed out and can be reset to pulse mode by going on-hook. 4. the pulse-to-tone function timing diagram is shown in figure 4. flash off hook , fn 1. fn = f1, , f4 2. the dialer will execute flash break time of 600 ms (f1), 300 ms (f2), 73 ms (f3), or 100 ms (f4) and all the flash pause time is 1.0 sec. before the next digit is dialed out. 3. flash key can be stored as a digit in memory; however, only one flash will be released to users. 4. the system will return to the initial state after the flash pause time is finished. 5. the timing diagram of flash function is shown in figure 5. save off hook , d1 , d2 , ..., dn , save 1. if the dialing of d1 to dn is finished, pressing the save key will cause d1 to dn to be copied to the save memory. off hook , save 2. d1 to dn will be dialed out after the save key is pressed. cascaded dialing 1. normal dialing + repertory dialing + normal dialing 2. repertory dialing + normal dialing + repertory dialing 3. redialing + normal dialing + repertory dialing 4. redialing is valid as first key-in only.
w91430n series publication release date: may 1997 - 7 - revision a3 absolute maximum ratings parameter symbol rating unit dc supply voltage v dd ? v ss -0.3 to +7.0 v input/output voltage v il v ss -0.3 v v ih v dd +0.3 v v ol v ss -0.3 v v oh v dd +0.3 v power dissipation p d 120 mw operation temperature t opr -20 to +70 c storage temperature t stg -55 to +150 c note: exposure to conditions beyond those listed under absolute maximum ratings may adversely affect the life and reliability o f the device. dc characteristics (v dd -v ss = 2.5v, f osc. = 3.579545 mhz, t a = 25 c, all outputs unloaded) parameter symbol conditions min. typ. max. unit operating voltage v dd - 2.0 - 5.5 v operating current i op tone, unloaded - 0.4 0.60 ma pulse, unloaded - 0.2 0.40 standby current i sb hks = v ss , no load & no key entry --15 a memory retention current i mr hks = v dd , v dd = 1.0v - - 0.2 a dtmf output voltage v to row group, r l = 5 k ? 130 150 170 mvrms pre-emphasis col/row, v dd = 2.0 to 5.5v 123 db dtmf distortion thd r l = 5 k ? , v dd = 2.0 to 5.5v - -30 -23 db dtmf output dc level v tdc r l = 5 k ? , v dd = 2.0 to 5.5v 1.0 - 3.0 v dtmf output sink current i tl v to = 0.5v 0.2 - - ma dp output sink current i pl v po = 0.5v 0.5 - - ma t/p mute output sink current i tml v tmo = 0.5v 0.5 - - ma keypad input drive current i kd v i = 0.0v 30 - - a
w91430n series - 8 - dc characteristics, continued parameter symbol conditions min. typ. max. unit keypad input sink current i ks v i = 2.5v 200 400 - a hks i/p pull-high resistor r hk - - 300 - k ? keypad resistance r k - - - 5.0 k ? ac characteristics (v dd -v ss = 2.5v, f osc. = 3.579545 mhz, t a = 25 c, all outputs unloaded) parameter symbol conditions min. typ. max. unit key in debounce t kid --20-ms key release debounce t krd --20-ms pulse mute delay t md mode = v dd -40 -ms mode = floating - 33.3 - pre-digit-pause 1 t pdp1 mode = v dd -40 -ms 10 pps mode = floating - 33.3 - pre-digit-pause 2 t pdp2 mode = v dd -20 -ms 20 pps mode = floating - 16.7 - interdigit pause t idp 10 pps - 800 - ms (auto dialing) 20 pps - 500 - make/break ratio m:b mode = v dd - 40:60 - % mode = floating - 33:67 - tone output duration t td auto dialing -93 -ms intertone pause t itp auto dialing -93 -ms f1 - 600 - flash break time t fb f2 - 300 - ms f3 73 f4 - 100 - flash pause time t fp f1, f2, f3, f4 - 1.0 - s pause time t p - 3.6 - s on-hook debounce time t ohd - 150 - ms notes: 1. crystal parameters suggested for proper operation are rs < 100 ohms, lm = 96 mh, cm = 0.02 pf, cn = 5 pf, cl = 18 pf, f osc . = 3.579545 mhz 0.02%. 2. crystal oscillator accuracy directly affects these times.
w91430n series publication release date: may 1997 - 9 - revision a3 timing waveforms t idp hks key in dp 2 b m t idp t idp t kid t idp t pdp 2 mb 4 t krd 3 t kid t pdp t/p mute dtmf osc. low oscillation oscillation figure 1(a) normal dialing timing diagram hks key in dp t/p mute r/p t kid b m t idp t idp t pdp mb dtmf osc. low oscillation t idp t krd t w91430n series - 10 - timing waveforms, continued hks key in dp t/p mute r/p t kid b m t idp t idp t pdp mb dtmf osc. low oscillation t krd ohd > t t figure 1(c) pulse mode auto dialing timing diagram hks key in t/p mute dtmf 5 4 3 t td osc. dp oscillation 2 t itp t itp t kid high t itp oscillation t krd figure 2(a) tone mode normal dialing timing diagram
w91430n series publication release date: may 1997 - 11 - revision a3 timing waveforms, continued hks key in dtmf r/p t krd osc. dp oscillation t td t itp t itp t kid high t/p mute t t t figure 2(c) tone mode auto dialing timing diagram
w91430n series - 12 - timing waveforms, continued hks key in dp t/p mute dtmf osc. low oscillation 2 t kid r/p 3 b m t pdp m t idp b t pdp t p figure 3. pause function timing diagram hks key in dp t/p mute dtmf osc. oscillation 2 t kid */t 3 b m t pdp t idp t p figure 4. pulse-to-tone timing diagram
w91430n series publication release date: may 1997 - 13 - revision a3 timing waveforms, continued t/p mute ff hks t kid dp key in t fp t fp t fb 3 low dtmf osc. oscillation t itp figure 5. flash timing diagram
w91430n series - 14 - headquarters no. 4, creation rd. iii, science-based industrial park, hsinchu, taiwan tel: 886-3-5770066 fax: 886-3-5792697 http://www.winbond.com.tw/ voice & fax-on-demand: 886-2-7197006 taipei office 11f, no. 115, sec. 3, min-sheng east rd., taipei, taiwan tel: 886-2-7190505 fax: 886-2-7197502 winbond electronics (h.k.) ltd. rm. 803, world trade square, tower ii, 123 hoi bun rd., kwun tong, kowloon, hong kong tel: 852-27513100 fax: 852-27552064 winbond electronics north america corp. winbond memory lab. winbond microelectronics corp. winbond systems lab. 2730 orchard parkway, san jose, ca 95134, u.s.a. tel: 1-408-9436666 fax: 1-408-9436668 note: all data and specifications are subject to change without notice.

▲Up To Search▲

Price & Availability of W9143XN

	To Download W9143XN Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .