W91312A Winbond, W91312A Datasheet
W91312A
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W91312A Summary of contents
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GENERAL DESCRIPTION The W91310 series are monolithic ICs that provide the necessary signals for either pulse or tone dialing. The W91310 series feature a redial memory. FEATURES DTMF/Pulse switchable dialer 32 digits for redial memory Pulse-to-tone (P T) keypad for ...
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PIN CONFIGURATION PIN DESCRIPTION SYMBOL PIN I/O Column Row Inputs & XT T/P MUTE MODE HKS ...
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Pin Description, continued SYMBOL PIN I DTMF 14 B FUNCTION N-channel open drain dialing pulse output (Figure 1). Flash key will cause active ...
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BLOCK DIAGRAM ROW (R1 to R4) KEYBOARD INTERFACE COLUMN (C1 to C4) D/A DTMF CONVERTER FUNCTIONAL DESCRIPTION Keyboard Operation F: Flash key R/P: Redial and pause function key P T: Pulse mode to tone mode Normal Dialing OFF HOOK , ...
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Redialing OFF HOOK , The R/P key can execute redial function only as the first key-in after off-hook; otherwise, it will execute pause function. Access Pause OFF HOOK , The pause function can ...
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ABSOLUTE MAXIMUM RATINGS PARAMETER DC Supply Voltage Input/Output Voltage Power Dissipation Operating Temperature Storage Temperature Note: Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and reliability of the device. DC CHARACTERISTICS (V -V ...
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... KRD PDP 10 ppS B B PDP 20 ppS B ppS IDP 20 ppS M Auto Dialing TD T Auto Dialing ITP T W91314 FB W91314A W91312A W91312/W91316 T W91314A FP W91314 W91312A W91312/W91316 T W91312 P W91314/A/W9131 W91310 SERIES MIN. TYP. MAX. UNIT 200 400 - - - 5.0 MIN. TYP. MAX. UNIT - ...
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TIMING WAVEFORMS HKS KEY IN DP T/P MUTE LOW DTMF OSC. HKS KEY IN DP T/P MUTE DTMF OSC. ON HOOK KID IDP T T PDP IDP OSCILLATION NORMAL DIALING Figure 1(a). Pulse Mode ...
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TIming Waveforms, continued HKS KEY IN DTMF T/P MUTE DP OSC. HKS KEY IN DTMF T/P MUTE DP OSC KRD KID T ITP T TD HIGH OSCILLATION NORMAL DIALING Figure 2(a). Tone Mode Timing Diagram R/P T KID ...
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TIming Waveforms, continued HKS KEY IN DP T/P MUTE DTMF OSC. HKS KEY IN DP T/P MUTE DTMF OSC R/P T KID IDP PDP IDP LOW OSCILLATION Figure 3. Pause ...
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TIming Waveforms, continued HKS KEY IN DP DTMF T/P MUTE OSC KID OSCILLATION Figure 5. Flash Function Timing Diagram Publication Release Date: January 1995 - 11 - W91310 SERIES T T ITP TD ...
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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. W91310 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. ...