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Part Name
Description
W91442N View Datasheet(PDF) - Winbond
Part Name
Description
Manufacturer
W91442N
10-MEMORY TONE/PULSE DIALER WITH SAVE FUNCTION
Winbond
W91442N Datasheet PDF : 14 Pages
First
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Timing Waveforms, continued
W91440N SERIES
HKS
KEY IN
DP
T/P MUTE
DTMF
OSC.
2
*/T
T
KID
MB
T
PDP
T
IDP
3
T
P
OSCILLATION
T
ITP
Figure 4. Pulse-to-tone Timing Diagram
HKS
KEY IN
DP
T/P MUTE
DTMF
OSC.
F
F
T
KID
T
FP
Low
3
T
FB
T
FP
OSCILLATION
T
ITP
Figure 5. Flash Timing Diagram
- 13 -
Publication Release Date: May 1997
Revision A3
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