W91473B 查看數據表（PDF） - Winbond

零件编号

产品描述 (功能)

生产厂家

W91473B

14-MEMORY TONE/PULSE SWITCHABLE DIALER WITH HANDFREE AND LOCK FUNCTIONS

Winbond 

W91473 SERIES

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

OFF HOOK

HFI

H KEY

HFO

T/P MUTE

HIGH

HPM MUTE

CHIP ENBLE

Figure 3(b).

___ _____

___ _____

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 inputs will be ignored.

- 16 -

Share Link: