參數(shù)資料
型號: W91472NS
英文描述: Telephone Dialer
中文描述: 電話撥號器
文件頁數(shù): 1/14頁
文件大?。?/td> 184K
代理商: W91472NS
W91472N SERIES
6-MEMORY TONE/PULSE DIALER WITH
SAVE AND HANDFREE FUNCTIONS
Publication Release Date: May 1997
- 1 -
Revision A2
GENERAL DESCRIPTION
The W91472N series are tone/pulse switchable telephone dialers with five memories, save memory,
and handfree dialing control. These chips are fabricated using Winbond's high-performance CMOS
technology and thus offer good performance in low-voltage and low-power operations.
FEATURES
DTMF/pulse switchable dialer
Two by 32 digit redial and save memory
Five by 16 digit one-touch direct repertory memory
Pulse-to-tone (*/T) keypad for long distance call operation
Cascaded dialing
Uses 5
×
6 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) selectable by bonding option
On-hook debounce time: 150 mS
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 1.0S
Make/break ratio (40:60 or 33.3:66.7) selectable by MODE pin
On-chip power-on reset
Uses 3.579545 MHz crystal or ceramic resonator
18 or 20-pin dual-in-line plastic package
The different dialers in the W91472N series are shown in the following table:
TYPE NO.
REPLACEMENT
TYPE NO.
PULSE
(ppS)
FLASH
(mS)
M/B
KEY
TONE
HANDFREE
DIALING
PACKAGE
(PINS)
W91472N
W91472
10
600/300/73/100
Pin
-
-
18
W91472AN
W91472A
10
600/300/73/100
Pin
Yes
Yes
20
W91472BN
W91472B
20
600/300/73/100
Pin
-
-
18
W91472CN
W91472C
20
600/300/73/100
Pin
Yes
Yes
20
相關(guān)PDF資料
PDF描述
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