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W91442N 데이터 시트보기 (PDF) - Winbond
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W91442N
10-MEMORY TONE/PULSE DIALER WITH SAVE FUNCTION
Winbond
W91442N Datasheet PDF : 14 Pages
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Timing Waveforms, continued
W91440N SERIES
HKS
KEY IN
DTMF
T/P MUTE
DP
OSC.
3
T
KID
T
TD
4
2
T
ITP
T
ITP
OSCILLATION
High
T
KRD
5
T
ITP
OSCILLATION
Figure 2(a) Tone Mode Normal Dialing Timing Diagram
HKS
KEY IN
DTMF
T/P MUTE
DP
OSC.
R/P
T
KID
T
KRD
T
TD
T
ITP
T<T
OHD
T
ITP
High
OSCILLATION
Figure 2(b) Tone Mode Auto Dialing Timing Diagram
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Publication Release Date: May 1997
Revision A3
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