Datasheet > W91521A

W91521A

更新时间： 2024-11-24 23:41:39

品牌	Logo	应用领域
其他 - ETC		脉冲电话
页数	文件大小	规格书
16页	193K
描述
Tone/Pulse Telephone Dialer

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中文翻译

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数据手册

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W91521A 数据手册

W91520N SERIES

TONE/PULSE DIALER WITH HANDFREE

AND HOLD FUNCTIONS

GENERAL DESCRIPTION

The W91520N series are Si-gate CMOS ICs that provide the necessary signals for tone or pulse

dialing. The W91520N series provide one-key redial, handfree dialing, hold, save, and redial

functions.

FEATURES

DTMF/pulse switchable dialer

Two by 32-digit redial and save memory

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

Uses 5 ´ 5 keyboard

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

Pause, pulse-to-tone (*/T) can be stored as a digit in memory

· On-hook debounce time: 150 mS

Dialing rate (10 ppS, or 20 ppS) selectable by bonding option

Minimum tone output duration: 93 msec.

Minimum intertone pause: 93 msec.

Flash break time (73, 100, 300, 600 msec.) selectable by keypad; pause time is 1.0 sec.

On-chip power-on reset

Uses 3.579545 MHz crystal or ceramic resonator

Packaged in 18 or 20-pin plastic DIP

· The different dialers in the W91520N series are shown in the following table:

TYPE NO.

REPLACEMENT PULSE

FLASH

(mS)

M/B HANDFREE

DIALING

PACKAGE

(PINS)

TYPE NO.

(ppS)

W91520N

W91521N

W91520AN

W91521AN

W91520

600/100/300/73

W91521

W91520A

W91521A

Yes

Publication Release Date: May 1997

Revision A3

- 1 -

12 3 4 5 6 7...16

中文翻译

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与W91521A相关器件

型号	品牌	获取价格	描述	数据表
W91521AN	WINBOND	获取价格	TONE/PULSE DIALER WITH HANDFREE AND HOLD FUNCTION
W91521N	WINBOND	获取价格	TONE/PULSE DIALER WITH HANDFREE AND HOLD FUNCTION
W91530	WINBOND	获取价格	13-MEMORY TONE/PULSE DIALER WITH SAVE, KEYTONE, LOCK,AND HANDFREE FUNCTION
W91530A	WINBOND	获取价格	Tone/Pulse Telephone Dialer
W91530AN	WINBOND	获取价格	13-MEMORY TONE/PULSE DIALER WITH SAVE, KEYTONE, LOCK,AND HANDFREE FUNCTION
W91530N	WINBOND	获取价格	13-MEMORY TONE/PULSE DIALER WITH SAVE, KEYTONE, LOCK,AND HANDFREE FUNCTION
W91530NS	WINBOND	获取价格	Telephone Dialer
W91531	WINBOND	获取价格	Tone/Pulse Telephone Dialer
W91531A	WINBOND	获取价格	Tone/Pulse Telephone Dialer
W91531ALN	WINBOND	获取价格	13-MEMORY TONE/PULSE DIALER WITH SAVE, KEYTONE, LOCK,AND HANDFREE FUNCTION