W91320 Ver la hoja de datos (PDF) - Winbond

Número de pieza

componentes Descripción

Fabricante

W91320

TONE/PULSE DIALER WITH REDIAL FUNCTION

Winbond 

W91320N SERIES

Timing Waveforms, continued

HKS

HFI

H KEY

HFO

T/P MUTE

H/P MUTE

CHIP ENBLE

OFF HOOK

ON HOOK

High

Low

Figure 3a. Handfree and Hold Timing Diagram

Note: The H KEY cannot be enabled when chip is disabled.

HKS

HFI

H KEY

HFO

T/P MUTE

H/P MUTE

CHIP ENBLE

OFF HOOK

High

Figure 3b. Handfree and Hold Timing Diagram

Note: The HFI and H KEY inputs will toggle the HFO signal; as soon as either HFI or H KEY is activated, the HFO signal will go

high and previous activate inputs will be ignored.

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Publication Release Date: May 1997

Revision A2

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