Home datasheet W91534AN

W91534AN

13-MEMORY TONE/PULSE DIALER WITH SAVE, KEYTONE, LOCK, AND HANDFREE FUNCTIONS
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Description

GENERAL DESCRIPTION
The W91530N series are tone/pulse switchable telephone dialers with 13 memories, keytone or lock, and handfree dialing control. These chips are fabricated using Winbond's high-performance CMOS technology and thus offer good performance in low-voltage, low-power operations.

FEATURES
· DTMF/pulse switchable dialer
· Two by 32 digits redial and save memory
· Three by 16 digits one-touch direct repertory memory
· Ten by 16 digits two-touch indirect repertory memory
· Pulse-to-tone (*/T) keypad for long distance call operation
· Cascaded dialing
· Uses 5 ´5 keyboard
· Easy operation with redial, flash, pause, and */T keypads
· Pause, P®T (pulse-to-tone) can be stored as a digit in memory
· 0 or 9 dialing inhibition pin for PABX system or long distance dialing lock out
· Dialing rate (10 ppS or 20 ppS) selectable by bonding option
· Minimum tone output duration: 93 mS(W91534AN: 87 mS)
· Minimum intertone pause: 93 mS (W91534AN: 87 mS)
· Pause time: 3.6 sec.
· 300 mS off-hook delay in lock mode ( DP remains low for 300 mS while off hook)
· Flash break time (73 mS, 100 mS, 300 mS, or 600 mS) selectable by keypad; pause time is 1.0 mS
· Make/break ratio (2:3 or 1:2) selectable by MODE pin
· Key tone output for valid keypad entry recognition
· On-chip power-on reset
· Uses 3.579545 MHz crystal or ceramic resonator
· 18 or 20-pin dual-in-line plastic package

Features

Parameters


Manufacturer information

WINBOND
Warm Hint

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