UPD43256BGW-70X-9JL NEC [NEC], UPD43256BGW-70X-9JL Datasheet - Page 3

• Manufacturer Part Number: UPD43256BGW-70X-9JL
• Description: 256K-BIT CMOS STATIC RAM 32K-WORD BY 8-BIT EXTENDED TEMPERATURE OPERATION
• Manufacturer: NEC [NEC]

•
Pin Configurations (Marking Side)
/xxx indicates active low signal.
/WE
/OE
A11
A13
A14
A12
GND
V
I/O8
I/O7
I/O6
I/O5
I/O4
I/O3
I/O2
I/O1
A9
A8
A7
A6
A5
A4
A3
A10
/CS
CC
A0
A1
A2
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
28
27
26
25
24
23
22
21
20
19
18
17
16
15
28-PIN PLASTIC TSOP(I) (8x13.4) (Reverse bent)
28-PIN PLASTIC TSOP(I) (8x13.4) (Normal bent)
A0 - A14
I/O1 - I/O8
/CS
/WE
/OE
V
GND
CC
[ PD43256BGW-AxxX-9KL]
[ PD43256BGW-BxxX-9KL]
[ PD43256BGW-AxxX-9JL]
[ PD43256BGW-BxxX-9JL]
[ PD43256BGW-xxX-9KL]
[ PD43256BGW-xxX-9JL]
Data Sheet M11012EJ4V0DS
: Address inputs
: Data inputs / outputs
: Chip Select
: Write Enable
: Output Enable
: Power supply
: Ground
28
27
26
25
24
23
22
21
20
19
18
17
16
15
10
11
12
13
14
1
2
3
4
5
6
7
8
9
A10
/CS
I/O8
I/O7
I/O6
I/O5
I/O4
GND
I/O3
I/O2
I/O1
A0
A1
A2
/WE
/OE
A11
A9
A8
A13
V
A14
A12
A7
A6
A5
A4
A3
PD43256B-X
CC
3