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DSA00128648.pdf
by Winbond Electronics
Partial File Text
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 feat
Datasheet Type
Original
RoHS
Unknown
Pb Free
Unknown
Lifecycle
Unknown
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1N4004
1N4148
c1815
circuit diagram of keypad interface with dtmf
W91310
W91312
W91312N
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