W91590L Winbond, W91590L Datasheet
W91590L
Related parts for W91590L
W91590L Summary of contents
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... Minimum intertone pause On-chip power-on reset Uses 3.579545 MHz crystal or ceramic resonator Packaged in 22 28-pin plastic DIP The different dialers in the W91590 series are shown in the following table: TYPE NO. PULSE MEMORY (ppS) W91590 10 20 W91590L 10 20 W91590A 10 20 W91590AL 10 20 W91590B 10/20 24 ...
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... PIN CONFIGURATIONS MODE DTMF 10 13 DP/ HKS T/P MUTE W91590 LOCK MODE DTMF DP/ HKS T/P MUTE W91590L MODE DTMF DP/ HKS T/P MUTE 12 13 HFO HFI W91590A LOCK MODE DTMF DP/ HKS T/P MUTE 12 13 HFO HFI W91590AL - 2 - W91590 SERIES HPM MUTE DRS 8 21 ...
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PIN DESCRIPTION SYMBOL 22-PIN 24-PIN Column Row & & Inputs XT MUTE HPM - - MUTE MODE HKS 13 15 ...
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... Pin Description, continued SYMBOL 22-PIN 24-PIN 17 19 LOCK (For (For W91590L) W91590AL) DTMF 16, 8 18 12, 13 HFI, HFO 28-PIN I The function of this pin is as follows: (For LOCK PIN W91590BL/CL) V Floating pulse mode, remains in low state at all times. In tone mode, outputs a dual or single tone ...
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Pin Description, continued SYMBOL 22-PIN 24-PIN DRS - - BLOCK DIAGRAM KEYBOARD ROW (R1 to R5) INTERFACE COLUNM (C1 to C8) DTMF D/A CONVERTER 28-PIN I Dial rate selection. This pin is pulled to V resistor. MODE DRS ...
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FUNCTIONAL DESCRIPTION Keyboard Operation */ MER location in W91590C/CL is SAVE memory. S: Store function key F1, F2, F3: Flash keys R: One-key ...
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Redialing 1. OFF HOOK , D1 , (or ON HOOK & HOOK & , R/P HFI The R/P key can execute redial function only as first key-in after off-hook. Otherwise, it will execute pause function. 2. OFF HOOK ...
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OFF HOOK (or ON HOOK & D1, D2, ..., Dn will be stored in memory location and will be dialed out. b. The S key must be pressed after completion of the dialing sequence ...
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The dialer remains in tone mode when the digits have been dialed out and can be reset to pulse mode only by going on-hook. 4. The P T function timing diagram is shown in Figure ...
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CHAIN DIALING Relationship between the memory and the chain dialing buffer: Digit The chain dialing buffer may be divided into four sections, ...
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Redial buffer content = Redialing + Repertory dialing Redialing is valid only as the first key-in after off-hook or after the handfree dialing function is toggled on. The second sequence should not be performed until the first sequence is completely ...
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MERCURY DIALING digits may be stored. 2. Mercury dialing is activated only as the first key-in after off-hook or handfree dialing is activated. 3. The timing diagram for the mercury memory function is given below. KEY ...
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DC CHARACTERISTICS ( 2.5V 3.58 MHz all outputs unloaded OSC PARAMETER Operating Voltage Operating Current Standby Current Memory Retention Current DTMF Output Voltage Pre-emphasis DTMF Distortion DTMF Output DC ...
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AC CHARACTERISTICS PARAMETER Keypad Active in Debounce Key Release Debounce 1 Pre-digit Pause 2 Pre-digit Pause Interdigit Pause (Auto dialing) Make/Break Ratio Tone Output Duration Intertone Pause Flash Break Time Pause Time Key Tone Frequency Key Tone Duration One-key Redialing ...
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TIMING WAVEFORMS HKS H KEY IN DP T/P MUTE HPM MUTE KT DTMF OSC. HKS KEY IN DTMF T/P MUTE HPM MUTE FKP OSC KID IDP IDP PDP LOW ...
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Timing Waveforms, continued HKS HFI H KEY HFO T/P MUTE HPM MUTE CHIP ENBLE Note: The H KEY cannot be enabled when chip is disabled. HKS HFI H KEY HFO T/P MUTE HPM MUTE CHIP ENBLE Note: The HFI and ...
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Timing Waveforms, continued HKS HFI H KEY HFO T/P MUTE HPM MUTE CHIP ENBLE Note: Changing the state of the HKS signal from high to low will initialize the HFO and HPM MUTE signals. HKS KEY IN DP T/P MUTE ...
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Timing Waveforms, continued HKS KEY IN DP T/P MUTE HPM MUTE KT DTMF T FKP OSC. HKS KEY IN DP T/P MUTE HPM MUTE KT DTMF T FKP OSC. R KID ...
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Timing Waveforms, continued HKS KEY IN DP T/P MUTE HPM MUTE KT DTMF OSC. LOW LOW T FKP OSCILLATION Figure 7. Flash Operation Timing Diagram - 19 - W91590 SERIES Publication Release Date: July 1995 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. W91590 SERIES Winbond Electronics North America Corp. Winbond Memory Lab. Winbond Microelectronics Corp. Winbond Systems Lab. 2730 Orchard Parkway, San Jose, CA 95134, U.S.A. ...