W91540 Winbond, W91540 Datasheet
W91540
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W91540 Summary of contents
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... KEYTONE, LOCK, AND HANDFREE FUNCTIONS GENERAL DESCRIPTION The W91540N series are tone/pulse switchable telephone dialers with 10 memories, keytone or lock function, and handfree dialing control. These chips are fabricated using Winbond's high-performance CMOS technology and thus offer good performance in low-voltage and low-power operations. ...
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... The different dialers in the W91540N series are shown in the following table: TYPE NO. REPLACEMENT TYPE NO. W91540N W91540 W91541 W91540AN W91540A W91541A W91541LN W91541L W91541ALN W91541AL W91542N W91542 W91542AN W91542A W91544AN New type Note: The W91544AN is designed specifically for use in France. The pause time is not added in pulse-to-tone mode. ...
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... The crystal frequency deviation is 0.02 Crystal oscillator output pin The T/P MUTE is a conventional CMOS N- channel open drain output. The output transistor is switched on low level during dialing sequence (both pulse and tone mode). Otherwise switched off W91540N SERIES ...
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... N-channel open drain dialing pulse output. Flash key will cause active in either tone mode or pulse mode. In lock mode, DP remains low for 300 mS during off-hook delay time. The timing diagram for pulse mode is shown in Figure 1( d W91540N SERIES FUNCTION places dialer in tone SS places dialer in pulse internal resistor. DD FUNCTION " ...
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... HFI Off Hook High HFI On Hook Off Hook Low On Hook Off Hook Off Hook High On Hook HFI pin is pulled Detailed timing diagram is shown in Figure W91540N SERIES Actual Error % 699 +0.28 766 -0.52 848 -0.47 948 +0.74 1216 +0.57 1332 -0.30 1472 -0 ...
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... Note ..., ..., 9, */T, #, Pause. HKS HFI READ/WRITE COUNTER RAM LOCATION LATCH ROW & COLUMN DATA LATCH PROGRAMMABLE & DECODER COUNTER SAVE W91540N SERIES XT XT SYSTEM CLOCK GENERATOR CONTROL LOCK LOGIC MODE T/P MUTE PULSE KT CONTROL DP/C5 LOGIC HFO ...
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... HFI ¡õ has not & HFI ¡õ HFI ¡õ & finished, pressing SAVE HFI ¡õ & ), SAVE SAVE key is pressed W91540N SERIES D2 , ..., ..., Dn , Busy & HFI ¡õ ), R/P , ..., will be ignored ..., ..., Dn , SAVE will cause Publication Release Date: May 1997 ...
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... In each case the flash pause time is 1.0 second. HFI ¡õ & ), SAVE HFI ¡õ & HFI ¡õ & HFI ¡õ & HFI ¡õ & W91540N SERIES , R ..., Dn , ..., Dn , */T , D1' ...
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... Note: Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and reliability of the device. + Normal Dialing + Repertory Dialing + Repertory Dialing SYMBOL RATING V V -0 120 D T -20 to +70 OPR T -55 to +150 SIG - 9 - W91540N SERIES UNIT V -0.3 V +0.3 V -0 Publication Release Date: May 1997 Revision A2 ...
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... DD THD 2.0 5. TDC 2 2.0V KTH KTH 0.5V KTL KTL 2.0V HFH HFH 0.5V HFL HFL 2. W91540N SERIES MIN. TYP. MAX. UNIT 2 0.4 0 0.2 0 0.2 130 150 170 mVrm -30 -23 dB 1.0 - 3 0.5 ...
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... IDP 20 ppS M:B Mode Pin = V DD Mode Pin = Floating T Except for TD W91544AN T Except for ITP W91544AN T W91544AN Only TD T W91544AN Only ITP KTD Lock Only OFD T Lock Only FKD - 11 - W91540N SERIES MIN. TYP. MAX 150 - - 33 16 800 - - 500 - - 40: 33.3:66 600 ...
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... T/P MUTE KT DTMF OSC. Figure 1(b). Normal Dialing Timing Diagram (Pulse Mode with Lock Function IDP IDP T PDP Low OSCILLATION KID IDP T PDP T FKD Low OSCILLATION - 12 - W91540N SERIES T KRD 2 T KID T IDP IDP T PDP OSCILLATION T KRD 2 T KID T IDP IDP T PDP OSCILLATION ...
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... T/P MUTE KT DTMF OSC. Figure 1(d). Auto Dialing Timing Diagram (Pulse Mode with Lock Function) T KRD R/P T KID IDP IDP T PDP Low OSCILLATION R/P T KID IDP T PDP T FKD Low OSCILLATION - 13 - W91540N SERIES T IDP T T IDP IDP Publication Release Date: May 1997 Revision A2 ...
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... T/P MUTE KT T OFD DP OSC. Figure 2(b). Normal Dialing Timing Diagram (Tone Mode with Lock Function KID ITP ITP High OSCILLATION OSCILLATION ITP T FKD OSCILLATION - 14 - W91540N SERIES T T KRD KRD KID T T ITP ITP OSCILLATION T KRD 2 T KID T T ITP ITP OSCILLATION ...
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... HKS KEY IN DTMF T/P MUTE 300mS KT T OFD DP OSC. Figure 2(d) Auto Dialing Timing Diagram (Tone Mode with Lock Function) T KRD R/P T KID ITP High OSCILLATION T KRD R ITP T FKD OSCILLATION - 15 - W91540N SERIES T ITP T ITP Publication Release Date: May 1997 Revision A2 ...
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... Timing Waveforms, continued HKS HFI HFO T/P MUTE CHIP ENBLE < 600mS HKS KEY IN 300mS T OFD DP T/P MUTE KT T DTMF FKD OSC. OSCILLATION ON HOOK High Figure 3. Handfree Timing Diagram 2 R KID PDP T P Low OSCILLATION Figure 4. Pause Function Timing Diagram - 16 - W91540N SERIES T IDP PDP ...
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... Figure 5(a). Pulse-to-tone Timing Diagram (All Versions Except W91544AN) HKS KEY IN DP T/P MUTE KT DTMF OSC. Figure 5(b). Pulse-to-tone Timing Diagram (W91544AN Only KID PDP IDP OSCILLATION 4 */T T KID IDP T PDP T ITP OSCILLATION - 17 - W91540N SERIES T ITP T KRD 2 T KID T ITP OSCILLATION Publication Release Date: May 1997 Revision A2 ...
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... Timing Waveforms, continued HKS KEY IN T KID DP HFI HFO T/P MUTE KT DTMF OSC. Low KID FB OSCILLATION Figure 6. Flash Timing Diagram - 18 - W91540N SERIES T KID T ITP ...
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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. W91540N SERIES Winbond Electronics North America Corp. Winbond Memory Lab. Winbond Microelectronics Corp. Winbond Systems Lab. 2730 Orchard Parkway, San Jose, CA 95134, U ...