W91550 데이터 시트보기 (PDF) - Winbond

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W91550

13-MEMORY TONE/PULSE DIALER WITH LCD AND LOCK FUNCTIONS

Winbond 

W91550DN SERIES

TIMING WAVEFORMS

HKS

KEY IN

DP

T/P MUTE

HPM MUTE

DTMF

OSC.

< 600mS

< 300mS

3

2

TKID

MB

TPDP

TIDP M B

TMD

TIDP

TKRD

3

TKID

TIDP

Low

OSCILLATION

Figure 1(a). Normal Dialing Timing Diagram (Pulse Mode without Lock Function)

HKS

KEY IN

DP

T/P MUTE

HPM MUTE

DTMF

OSC.

< 600mS

< 300mS

3

2

TOFD

TKID

TFKD M B

TIDP

TMD

Low

OSCILLATION

TKRD

3

TKID

TIDP

Figure 1(b). Normal Dialing Timing Diagram (Pulse Mode with Lock Function)

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Publication Release Date: November 1997

Revision A3

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