UPD431000A-xxx NEC, UPD431000A-xxx Datasheet - Page 3

• Manufacturer Part Number: UPD431000A-xxx
• Description: 1M-BIT CMOS STATIC RAM 128K-WORD BY 8-BIT
• Manufacturer: NEC

Pin Configurations (Marking Side)
/xxx indicates active low signal.
Remark Refer to Package Drawings for the 1-pin index mark.
GND
I/O1
I/O2
I/O3
A16
A14
A12
NC
A7
A6
A5
A4
A3
A2
A1
A0
32-pin PLASTIC DIP (15.24 mm (600))
A0 - A16
I/O1 - I/O8
/CE1, CE2
/WE
/OE
V
GND
NC
CC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
[ PD431000ACZ-xxLL]
Data Sheet M11657EJBV0DS
[ PD431000ACZ-xxL]
: Data inputs / outputs
: Chip Enable 1, 2
: Write Enable
: Output Enable
: Power supply
: Ground
: No connection
: Address inputs
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
V
A15
CE2
/WE
A13
A8
A9
A11
/OE
A10
/CE1
I/O8
I/O7
I/O6
I/O5
I/O4
CC
PD431000A
3