Datasheet > W91824N

W91824N

更新时间： 2024-10-01 22:36:19

品牌	Logo	应用领域
华邦 - WINBOND		脉冲
页数	文件大小	规格书
22页	256K
描述
13-MEMORY TONE/PULSE DIALER WITH HANDFREE, LOCK AND HOLD FUNCTIONS

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中文翻译

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数据手册

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W91824N 数据手册

W91820N SERIES

13-MEMORY TONE/PULSE DIALER WITH

HANDFREE, LOCK AND HOLD FUNCTIONS

GENERAL DESCRIPTION

The W91820N is a series of tone/pulse switchable telephone dialers with 13 memory, keytone, hold,

lock, 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

· Ten by 32 digits two-touch indirect repertory memory

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

· Chain 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

· Dialing rate:10 ppS or 20 ppS by mask option

· Minimum tone output duration: 93 mS (unless W91824N/AN is 87 mS)

· Minimum intertone pause: 93 mS (unless W91824N/AN is 87mS)

· Pause time: 3.6 sec. (unless W91824N/AN is 2.0 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

· Key tone output for valid keypad entry recognition

· On-chip power-on reset

· Uses 3.579545 MHz crystal or ceramic resonator

· 20, or 22-pin dual-in-line plastic package

· The different dialers in the W91820N series are shown in the following table:

TYPE NO.

W91820N/824N

W91820AN/824AN

W91820LN

PULSE (ppS) LOCK KEY TONE HANDFREE DIALING PACKAGE (PINS)

W91820ALN

W91822N

W91822AN

Note: W91824N/824AN for French only.

Publication Release Date: May 1999

Revision A2

- 1 -

12 3 4 5 6 7...22

中文翻译

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