W91210 datasheet(1/11 Pages) WINBOND

Part #	W91210

Description	TONE/PULSE DIALER WITH REDIAL FUNCTION

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Manufacturer	WINBOND [Winbond]

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W91210 SERIES

TONE/PULSE DIALER WITH REDIAL FUNCTION

Publication Release Date: May 1995

- 1 -

Revision A3

GENERAL DESCRIPTION

The W91210 series are Si-gate CMOS ICs that provide the necessary signals for either pulse or tone

dialing. The W91210 series features a redial function.

FEATURES

• DTMF/Pulse switchable dialer

• One by 32 digits for redial memory

• Pulse-to-tone (*/T) keypad for long distance call operation

• Uses 4

× 4 keyboard

• Easy operation with redial, flash, pause, and */T keypads

• Pause, P

→T (pulse-to-tone) can be stored as a digit in memory

• Minimum tone output duration: 87 mS

• Minimum intertone pause: 87 mS

• Flash time (100 mS, 300 mS or 600 mS) selectable by keypad

• Pause time 3.6 sec or 2.0 sec

• On-chip power-on reset

• Uses 3.579545 MHz crystal or ceramic resonator

• Packaged in 16-pin plastic DIP

• The different dialers in the W91210 series are described in the following table:

TYPE NO.

PULSE

(ppS)

FLASH (mS)

PAUSE

TIME (S)

M/B

PULSE-TO-TONE

PAUSE TIME

W91212

10

100/300/600

3.6

Yes

W91214/A

10

100/300/600

3.6/2.0

No

W91216

10

100/300/600

3.6

Yes

Note: W91214 designed for use in France, W91216 for Germany.

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