UPD431000A-xxx NEC, UPD431000A-xxx Datasheet - Page 6

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

6
CE2
/WE
/CE1
GND
A11
A13
A15
A16
A14
A12
V
I/O8
I/O7
I/O6
I/O5
I/O4
I/O3
I/O2
I/O1
NC
A10
/OE
A9
A8
A7
A6
A5
A4
CC
A0
A1
A2
A3
Remark Refer to Package Drawings for the 1-pin index mark.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
32-pin PLASTIC TSOP(I) (8x13.4) (Reverse bent)
32-pin PLASTIC TSOP(I) (8x13.4) (Normal bent)
A0 - A16
I/O1 - I/O8
/CE1, CE2
/WE
/OE
V
GND
NC
CC
[ PD431000AGU-Bxx-9KH]
[ PD431000AGU-Bxx-9JH]
Data Sheet M11657EJBV0DS
: 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
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
/OE
A10
/CE1
I/O8
I/O7
I/O6
I/O5
I/O4
GND
I/O3
I/O2
I/O1
A0
A1
A2
A3
A11
A9
A8
A13
/WE
CE2
A15
V
NC
A16
A14
A12
A7
A6
A5
A4
CC
PD431000A