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KS58555B universal 15 memory dialer introduction the KS58555B is 15 memory tone/pulse switchable dialer with 32 digit redial memory. 16 digit indirect 10 memory and 16 digit direct 4 memory are possible. the flash time is selectable on the keyboard. also, hands-free and hold functions are controlled on the keyboard. the KS58555B can fulfill all the standards of each country. features flash time selectable on the keyboard (100, 303, 604 ms) hands-free and hold functions tone/pulse switchable 16 digit indirect (two-touch) 10 memory ( puise : 16 digit, tone : 15 digit) 16 digit direct (one-touch) 4 memory (pulse : 16 digit, tone : 15 digit) uses 3.579545mhz color burst crystal or ceramic resonator pulse rate selectable. (10 pps, 20 pps) make/break ratio selectable (40 : 60, 33 : 66) single tone enable for test tone (t/ ) key function (pulse ? tone) redial function (pulse : 32 digit, tone : 31 digit) pin compatible with ks58006, ks58012, and ks58550 ordering information *hfd : hands free dialing f unction *hold : hold for melody *em : emergency memory function hfd hold em flash time m/b ratio pps KS58555B 22-dip-400 o o o selectable selectable selectable devic e package 22-dip-400
KS58555B universal 15 memory dialer block diagram osc divider m/b counter pulse counter control circuit system clock timing counter debounce circuit key input interface circuit recall/location latch & address counter redial ram data latch 14 memory store ram row, column sinewave counter & d/a converter write/read address counter hands free & hold control output osci osco m/b hs mds/drs c1 c2 c3 c4 c5 r1 r2 r4 r3 r5 v dd dp tone hfo v ss hdo x ? mute 4 4
KS58555B universal 15 memory dialer pin configuration arrangement of key board - rd/p : redial/pause - st : store - r/l : recall/location - f1 : flash time (100ms) - f2 : flash time (303ms) - f3 : flash time (604md) - hfi : hands-free dialing key input - hdi : hold key input - t/ : pulse ? tone mode - # : rd/p func tion in pulse mode data in tone mode - emi : direct memory location i = 1, 2, 3, 4. - nu : not used key selection function 1 2 3 4 5 6 7 8 9 12 13 14 15 16 17 18 19 20 KS58555B r5 r1 r2 r3 r4 hs m/b mds/drs osci c3 c2 c1 dp v+ v ss v dd hdo 10 11 osco c5 21 22 hfo c4 x ? mute 1 2 3 st em1 4 5 6 r/l em2 7 8 9 rd/p em3 t/ 0 # f3 em4 hfi hdi f1 f2 nu pin connection function v dd pulse mode/20 pps mds/drs open pulse mode/10 pps v ss tone mode v dd 1 : 2 (m : b) v ss 2 : 3 (m : b) make/break
KS58555B universal 15 memory dialer pin description absolute maximum ratings pin no symbol i/o description 1 r5 2 r1 3 r2 i row key input 4 r3 5 r4 6 hs i hook switch 7 m/b i make/break select 8 mds/drs i mode & dial pulse ratio select pin 9 osci i oscillator input 10 osco o oscillator output 11 c5 i column 5 input 12 hdo o hold function control output 13 v dd s (+) power 14 v ss s (-) power 15 tone o tone output 16 x ? mute o xmute output (n-channel open drain) 17 dp o dial pulse output (c-mos inverter output) 18 c1 19 c2 20 c3 21 c4 22 hfo o hands-free control output characteristic symbol value unit supply voltage input voltage output voltage power dissipation operating temperature storage temperature v dd v i v o p d t opr t stg - 0.3 ~ 7.0 - 0.2 ~ v dd + 0.3 - 0.3 ~ v dd + 0.3 500 - 20 ~ + 70 - 55 ~ + 150 v v v mw c c column key input i
KS58555B universal 15 memory dialer electrical characteristics (v dd = 3.5v, v ss = 0v, ta = 25 c , f osc = 3.579545 mhz) characteristic symbol test conditions min typ max unit operating voltage v dd - 2.0 - 6.0 memory retention voltage v mr - 1.0 - - memory retention current i mr hs = v dd = 1.0v - 0.05 0.1 ua i dd(pulse) pulse mode - 0.1 0.3 i dd(tone) tone mode - 0.4 0.7 standby current i sb hs = v ss - 10 50 m a output sink current i o(sink)1 v ol = 0.4v 1.7 5.0 - ma (dp, x ? mute) i o(sink)2 v ol = 0.4v, v dd = 2.5v 0.5 1.5 - ma i oh v oh = 0.3v 1.8 5.2 - ma i ol v ol = 0.4v 1.7 5.1 - ma v ih r1 ~ r5, m/b, hs 0.8v dd - v dd v v il c1 ~ c5, mds/rds, hs v ss - 0.2v dd v i i1 r1 ~ r5, v in = v ss - - 50 m a input current i i2 r1 ~ r5, v in = v ss v dd = 2.5v - - 30 m a column to row tone ratio dbcr tone mode 1 2 3 db v oh(tone) r l = 5.0kohm -18 - -16 v ol(tone) v dd = 2.5v, r l = 5.0kohm -18 - -16 tone distortion thd - - 1 4 % valid key entry time t kd - - 33.3 - ms pause time t pa ? p ? key depress - 3.6 - sec pulse interdigit t pidp1 mds/drs = v dd (20 pps) - 600 - pause time t pidp2 mds/drs = open(10 pps) - 800 - tone interdigit pause time t tidp mds/drs = v ss - 103.5 - tone duration t td - - 101 - puise to tone auto pause time t ptpa - - 3.6 - mds/drs = m/b = v dd - 33.5/67.0 - open (10 pps) m/b = v ss - 40.2/60.3 - mds/drs = m/b = v dd - 16.7/33.5 - v dd (20 pps) m/b = v ss - 20.1/30.2 - make/break time operating current output current input voltage row tone output t m /b all output unloaded v ma dbv ms ms
KS58555B universal 15 memory dialer electrical characteristics (v dd = 3.5v, v ss = 0v, ta = 25 c, f osc = 3.579545 mhz) application information key description 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 these are tone/pulse dialing signal keys in normal mode. t/ \ pulse mode : pulse to tone switching key tone mode : data key # pulse mode : no operation tone mode : data key em1, em2, em3, em4 direct repertory dialing key. the cascade 32 digit dialing is available and the exceed 32 digit dialing accepted one by one after all 32 digits is dialed out. in store mode, preseing em1 ~ em4 key will cause the 16 digits of buffer memory storing to corresponding repertory memory. rd/p key if press this key first after off- hook, it will operate as a redial key, otherwise it will operate as a pause key. st : store this key will accept as store key if press it first key after off or on - hook. the store mode will be released by pressing this key again or hooking once. r/l this key will be allowed recall or location selection in indirect memory operation characteristic symbol test conditions min typ max unit mds/drs = v dd , m/b = v dd - 17 - mds/drs = open, m/b = v dd - 37 - mds/drs = v dd , m/b = v ss - 20 - mds/drs = open, m/b = v ss - 30 - pulse to x ? mute overlap time t pmo - - 3.0 - f1 key depress - 100 - flash time t fl f2 key depress - 303 - ms f3 key depress - 604 - ms pre-digit pause time t ptpa ms
KS58555B universal 15 memory dialer f : flash ( i = 1, 2,3) if the flash key pressed, dp and x'mute will be forced to low during the t fl (flash time) hfi hands-free dialing input. hands-free dialing output controlled by the keyboard ( hfl) hdi hold function input. hold function controlled by the keyboard ( hdl). the output will control the melody enable. keyboard and switche operation symbol definition d p =pulse data : 0,1,2,3,4,5,6,7,8,9,f, pause d t =tone data : 0,1,2,3,4,5,6,7,8,9, *,#,f, pause em1 ~ em4 = direct memory rec = recall loc = location zizizi = conversation mode off= off-hook on = on-hook = input level low to high = input level high to low operation manual - normal dialing in pulse mode off: d p ,-, d p , : zizizi : on - normal dialing in tone mode off: d t ,-, d t , : zizizi : on - normal dialing from pulse to tone via t/* key off: d p ,-, d p , t/*, d t , : zizizi : on - normal dialing from pulse to tone via mds/drs switch off: d p ,-, d p , mds/drs, , d t , ----, d t : zizizi : on - redial off: rd/p : zizizi : on note : 1) all the key input will be ignored during the redial. 2) if the dialing digits exceed 32 digits, the redialing operation will be inhibited) 3) cascade dialing (normal dialing after redialing) will be accepted. f1 100ms f2 303ms f3 604ms flash time selectable on the keyboard
KS58555B universal 15 memory dialer - repertory dialing for cascaded memory off: emi (i=1,2,3,4) : zizizi : on: direct off: rec, locx (x=1,2,-, 0): zizizi : on : indirect - repertory dialing for cascaded memory the cascade 32 digit dialing is available and exceed 32 digit dialing accepted one by one after all 32 digits are dialed out. normal dialing after repertory dialing off: emi (i=1,2,3,4) or rec, locx (x=1,2,-, 0), dg,-, dg, : zizizi : on - store on/off, st, dg,-, dg emi or locx store mode will be released by pressing store key again or hooking once. - store on/off, st, dg,-, dg, emi or locx store mode will be released by pressing store key again or hooking once. - changing store data via f key on/off, st, d1 ,d2,d3,f,d4,d5,d6, -, dn, emi or locx in above dialing sequence, the storing data are d4,d5,d6,dn. - hands free dialing on : hfi, d1, d2,-, dn, : off : zizizi : on on : hfi, d1, d2,-, dn, hfi,rd - hold function this pin controls the melody output enable and disable. (refer to state diagram of hands-free dialing & hold function) truth table of hands-free input & hold function *comment : x : don ? t care p : previous state current state next state hook state hfo hdo hfo hdo dialing 1 2 3 4 5 6 7 8 9 10 11 12 13 on/off hook on hook off hook on hook off hook off hook off hook on hook on hook on hook off hook off hook on/off hook l h h x x l h l h h x x x l l l x h l l x l h l h h hfi key in hfi key in hfi key in off hook on hook on hook on hook hdi key in hdi key in hdi key in hdi key in hdi key in hdi key in h l l l p l h l h h p p p l l l l p l l p h l h l h yes no yes yes melody on no yes no melody on yes melody on yes melody on no input
KS58555B universal 15 memory dialer timing diagram 1) pulse mode 2) tone mode hs key input dp 1 2 f rd x ? mute t pdpa t b t m t pmo t pmo t pidp t fl 1 p 3 rd tone hs key input x ? mute t pa t pa t td
KS58555B universal 15 memory dialer 3) pulse to tone dialing 4) hands-free dialing & hold function x ? mute hs key input mds/drs dp tone 1 2 3 4 3 4 t ptpa hs hdi key input hdo key input dp hdi key input hdo x ? mute 1 2 5 1
KS58555B universal 15 memory dialer application circuit hfo c4 c3 c2 c1 dp mute tone gnd v dd holdo vl ci co bias mfi mute vr gnd v cc rxo rof rxi cc mic mic+ tof ka8602b mute out gnd int1 int2 out v cc r11 47k r12 47ok r13 12ok q4 c945 r14 20k r16 47k 3 2 1 r19 82k c7 123 c6 104 r15 5.1k d4 r18 100k d3 melody ks531a q5 c945 ic3 r17 330 d2 t1 r23 15 r21 150 r20 6.2k r22 43 r24 620 r25 5.1k c8 104 r26 10k ic4 c9 220 c13 103 r35 33k c15 330 r38 390k c10 22 100k r40 1k c19 22 r41 560 c17 1 + + + + + c11331 r34 51k + c21 47 r33 10k d5 vr 100k c20 104 r42 3k c18 1000 sw4 mic r36 330 + c12 22 r37 3.3k c14 0.33 r39 20k c16 104 r10 100k q3 c1009y sw3 sw2 r6 470k c4 104 q2 c945 r3 470k r5 1m r4 300k d1 2m r1 q1 a1156 r2 150k sw1 < h/s > z ~ 2 7v + c5 470 ic2 bridge - d + ka2418b tip ava out ring gnd swp ofc r.c + c1 1 ( 250v ) r8 6.8k + c2 10 c3 104 r9 22k piezo 1 2 3 4 6 5 7 8 KS58555B 1 4 7 t/* hr 2 5 8 0 hdi 3 6 9 # f1 st r/l rd/p f3 f2 em1 em2 em3 em4 1 2 3 4 5 6 7 8 9 10 11 22 21 20 19 18 16 15 14 12 13 17 4 5 6 7 8 1 2 3 15 14 12 11 10 9 13 16 ic5 8 7 6 5 1 2 3 4 k a 8 5 0 4 ring tip z ~ 1 r5 r1 r2 r3 r4 hs mode oci oco kit m/b - c2 10 m c1 m (250v) c5 470 m c21 4.7 m c10 22 m c17 1 m c18 1000 m c19 22 m c14 0.33 m c22 22 m c9 220 m

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