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W91521 PDF预览

W91521

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

W91521 数据手册

 浏览型号W91521的Datasheet PDF文件第2页浏览型号W91521的Datasheet PDF文件第3页浏览型号W91521的Datasheet PDF文件第4页浏览型号W91521的Datasheet PDF文件第5页浏览型号W91521的Datasheet PDF文件第6页浏览型号W91521的Datasheet PDF文件第7页 
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  
10  
600/100/300/73  
600/100/300/73  
600/100/300/73  
600/100/300/73  
Pin  
Pin  
Pin  
Pin  
-
18  
18  
20  
20  
W91521  
20  
-
W91520A  
W91521A  
10  
Yes  
Yes  
20  
Publication Release Date: May 1997  
Revision A3  
- 1 -  

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