W91820ALN Ver la hoja de datos (PDF) - Winbond
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W91820ALN Datasheet PDF : 22 Pages
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W91820N SERIES
Timing Waveforms, continued
HKS
KEY IN
DTMF
T/P MUTE
H/P MUTE
KT
DP
OSC.
ON HOOK
R/P
TKID
TTD
T T < TOHD
TITP
TITP
LOW
HIGH
OSC.
Figure 2(c). Tone Mode Timing Diagram (Auto dialing without lock function)
HKS
KEY IN
DTMF
T/P MUTE
H/P MUTE
300 mS
R/P
TTD
TFKD
TKID
T T < TOHD
TITP
TITP
LOW
DP
OSC.
HIGH
OSC.
Figure 2(d). Tone Mode Timing Diagram (Auto dialing with lock function)
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Publication Release Date: May 1999
Revision A2
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