W91590L Ver la hoja de datos (PDF) - Winbond

Número de pieza

componentes Descripción

Fabricante

W91590L

24-MEMORY TONE/PULSE SWITCHABLE DIALER WITH HANDFREE, HOLD AND LOCK FUNCTIONS

Winbond 

W91590 SERIES

Timing Waveforms, continued

HKS

HFI

H KEY

HFO

OFF HOOK

ON HOOK

T/P MUTE

HPM MUTE

HIGH

LOW

CHIP ENBLE

Figure 3(a).

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

HKS

HFI

H KEY

HFO

OFF HOOK

T/P MUTE

HPM MUTE

HIGH

CHIP ENBLE

Figure 3(b).

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

high and previous inputs will be ignored.

- 16 -

Share Link: