Home datasheet W91810ALN

W91810ALN

23-MEMORY TONE/PULSE DIALER WITH HANDFREE, LOCK AND HOLD FUNCTIONS
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Description

GENERAL DESCRIPTION
The W91810N is a series of tone/pulse switchable telephone dialers with 23 memory, keytone, hold, lock, mute, volume control and handfree dialing control features. These chips are fabricated using Winbond's high-performance CMOS technology and thus offer good performance in low-voltage, low power operations.

FEATURES
· Tone/pulse switchable dialer
· Two by 32 digits redial and save memory
· Three by 32 digits one-touch direct repertory memory
· Twenty by 32 digits one-touch direct or two-touch indirect repertory memory
· Pulse-to-tone (*/T) keypad for long distance call operation
· Chain dialing
· Uses 6 ´ 6 or 7 ´ 7 keyboard
· Easy operation with redial, flash, pause, and */T keypads
· Pause, P®T (pulse-to-tone) can be stored as a digit in memory
· Dialing rate: 10 or 20 ppS by mask option
· Minimum tone output duration: 93 mS
· Minimum intertone pause: 93 mS
· Pause time: 3.6 sec.
· Flash break time (73 mS, 100 mS, 300 mS, or 600 mS) selectable by keypad; pause time is 1.0 S
· Make/break ratio (2:3 or 1:2) selectable by MODE pin
· Mute key for speech network mute
· No key will be accepted except the "HOLD" key when in the Hold mode
· 4-level volume control by V1 and V2 pin - default value is zero
· Key tone output for valid keypad entry recognition
· On-chip power-on reset
· Uses 3.579545 MHz crystal or ceramic resonator
· 22, 24 or 28-pin dual-in-line plastic package

 

Features

Parameters


Manufacturer information

WINBOND
Warm Hint

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