UPD4991ACX 查看數據表（PDF） - NEC => Renesas Technology

零件编号

产品描述 (功能)

生产厂家

UPD4991ACX

4-BIT PARALLEL I/O CALENDAR CLOCK

NEC => Renesas Technology 

PIN CONFIGURATION (Top View)

CS1 1

18 VDD

TP1 2

17 XIN

TP2 3

16 XOUT

A0 4

15 CS2

A1 5

14 D3

A2 6

13 D2

A3 7

12 D1

OE 8

11 D0

VSS 9

10 WE

µ PD4991ACX

µPD4991A

CS1 1

20 VDD

TP1 2

19 XIN

TP2 3

18 XOUT

A0 4

17 CS2

NC 5

16 D3

A1 6

15 NC

A2 7

14 D2

A3 8

13 D1

OE 9

12 D0

VSS 10

11 WE

µ PD4991AGS

2

Share Link: