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Número de pieza
componentes Descripción
W91521N Ver la hoja de datos (PDF) - Winbond
Número de pieza
componentes Descripción
Fabricante
W91521N
TONE/PULSE DIALER WITH HANDFREE AND HOLD FUNCTIONS
Winbond
W91521N Datasheet PDF : 16 Pages
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Timing Waveforms, continued
W91520N SERIES
HKS
KEY IN
DP
T/P MUTE
H/P MUTE
DTMF
OSC.
R/P
T
KID
T
KRD
MB
T
PDP
T
IDP
M B
Low
OSCILLATION
T = T
OHD
Figure 1(c) Pulse Mode Auto Dialing Timing Diagram
HKS
KEY IN
DTMF
T/P MUTE
H/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
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Publication Release Date: May 1997
Revision A3
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