w91080 Winbond Electronics Corp America, w91080 Datasheet
w91080
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w91080 Summary of contents
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... TONE/PULSE DIALER WITH HANDFREE AND KEYTONE FUNCTIONS AND ONE MEMORY GENERAL DESCRIPTION The W91080 series dialers are Si-gate CMOS ICs that provide the necessary signals for either pulse or tone dialing. The W91080 series feature handfree dialing and redial functions and one number memory. ...
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... The output transistor is switched on during pulse and tone mode dialing sequences and flash break. Otherwise switched off. I Pulling mode pin to V Pulling mode pin to V (10 ppS, M/B = 2:3). If the mode pin is left floating, the dialer is in pulse mode (10 ppS, M/B = 1:2 W91080 SERIES ...
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... Detailed timing diagram for tone mode is shown in Figure 2 (a, b). OUTPUT FREQUENCY Specified R1 697 R2 770 R3 852 R4 941 1209 C1 1336 C2 C3 1477 I Power input pins W91080 SERIES FUNCTION Actual Error % 699 +0.28 766 -0.52 848 -0.47 948 +0.74 1216 +0.57 1332 -0.30 1472 -0.34 Publication Release Date: June 1994 Revision A3 ...
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... F1, F2, */T) are pressed in tone mode. Frequency is 600 Hz and duration HKS SYSTEM CLOCK GENERATOR MODE HFI READ/WRITE CONTROL COUNTER LOGIC RAM LOCATION LATCH ROW & COLUMN PROGRAMMABLE COUNTER - 4 - W91080 SERIES FUNCTION NEXT STATE HFO Dialing High Yes Low No Low Yes - Yes Low No High Yes T/P MUTE PULSE KT ...
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... D1, D2, ..., Dn will be stored in memory but will not be dialed out MEM R/P & HFI ¡õ ..., Dn BUSY, Come ON HOOK ), R ..., Dn , ..., ..., W91080 SERIES ..., Dn , OFF HOOK HFI ¡õ , BUSY, , Come M MEM Publication Release Date: June 1994 Revision A3 ...
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... The system will return to the initial state after the break time is finished. 3. The flash function timing diagram is shown in Figure 5. HFI ¡õ & HFI ¡õ & HFI ¡õ & (Tone) , D1', D2', ..., Dn' HFI ¡õ & W91080 SERIES ..., D2 , ..., ...
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... HKS = 1. Row group Col/Row 2 2 TDC 2 W91080 SERIES RATING UNIT V -0.3 to 7 0.3 DD 120 mW - -55 to 125 C MIN. TYP. MAX . 2.0 - 5.5 - 0.4 0.6 - 0.2 0.4 - ...
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... SYM. CONDITIONS T KID T KRD T Mode Pin = 1 PDP 10 ppS Mode Pin = Floating T 10 ppS IDP M/B Mode Pin = 1 Mode Pin = Floating T Auto Dialing TD T Auto Dialing ITP W91080 SERIES MIN. TYP. MAX. UNIT 0 300 - 200 400 ...
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... LOW OSCILLATIO N NORMAL DIALING Figure 1. Pulse Mode Timing Diagram T T KID KRD KRD T ITP T ITP HIGH LOW OSCILLATION - 9 - W91080 SERIES R/P T PDP IDP IDP T PDP OSCILLATIO N AUTO DIALING T T KID KRD T ITP OSCILLATION Publication Release Date: June 1994 ...
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... KEY IN T KID DP T PDP T/P MUTE DTMF KT OSC. Timing Waveforms, continued R/P T KID ITP HIGH OSCILLATION Figure 2(b). Tone Mode Auto Dialing Timing Diagram IDP IDP LOW OSCILLATION Figure 3. Pause Function Timing Diagram - 10 - W91080 SERIES T ITP LOW T IDP T PDP P ...
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... T/P MUTE DTMF KT OSC. Figure Operation Timing Diagram in Normal Dialing HKS F KEY IN T KID T/P MUTE KT DTMF OSCILLATION OSC. Figure 5. Flash Operation Timing Diagram 8 IDP T IDP OSCILLATION LOW LOW Publication Release Date: June 1994 - 11 - W91080 SERIES T ITP Revision A3 ...
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... No. 115, Sec. 3, Min-Sheng East Rd., Taipei, Taiwan TEL: 886-2-7190505 FAX: 886-2-7197502 Note: All data and specifications are subject to change without notice. W91080 SERIES Winbond Electronics North America Corp. Winbond Memory Lab. Winbond Microelectronics Corp. Winbond Systems Lab. 2730 Orchard Parkway, San Jose, CA 95134, U ...