W91312N データシートの表示（PDF） - Winbond
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W91312N Datasheet PDF : 11 Pages
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Preliminary W91312N
TONE/PULSE DIALER WITH REDIAL FUNCTION
GENERAL DESCRIPTION
The W91312N are monolithic ICs that provide the necessary signals for either pulse or tone dialing.
The W91312 N feature a redial memory.
FEATURES
• DTMF/Pulse switchable dialer
• 32 digits for redial memory
• Pulse-to-tone (P→T) keypad for long distance call operation
• Break/Make ratio is selectable by pin option
• Uses 4 × 4 keyboard
• Easy operation with redial, flash, pause, and P→T keypads
• Pause, P→T (pulse-to-tone) can be stored as a digit in memory
• Minimum tone output duration: 93 mS
• Minimum intertone pause: 93 mS
• On-chip power-on reset
• Uses 3.579545 MHz crystal or ceramic resonator
• Packaged in 18-pin plastic DIP
• The different dialers in the W91310 series are shown in the following table:
TYPE NO.
PULSE (ppS)
FLASH (mS)
FLASH PAUSE (S)
W91312N
10/20
600/100/300/73
1.0
PAUSE (S)
3.6/2.0
PIN CONFIGURATION
C1
1
C2
2
C3
3
C4
4
B/M
5
VSS
6
XT
7
XT
8
T/P MUTE
9
18
R4
17
R3
16
R2
15
R1
14
VDD
13
MODE
12
DTMF
11
DP
10
HKS
Publication Release Date: May 2000
-1-
Revision A1
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