upd43256b Renesas Electronics Corporation., upd43256b Datasheet - Page 4

• Manufacturer Part Number: upd43256b
• Description: 256k-bit Cmos Static Ram 32k-word By 8-bit
• Manufacturer: Renesas Electronics Corporation.

Pin Configurations (Marking Side)
/xxx indicates active low signal.
4
Remark Refer to Package Drawings for the 1-pin index mark.
GND
I/O1
I/O2
I/O3
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
28-pin PLASTIC DIP (15.24 mm (600))
A0 - A14
I/O1 - I/O8
/CS
/WE
/OE
V
GND
CC
Data Sheet M10770EJEV0DS
[
1
2
3
4
5
6
7
8
9
10
11
12
13
14
[
μ
μ
PD43256BCZ-xxLL ]
PD43256BCZ-xxL ]
: 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
V
/WE
A13
A8
A9
A11
/OE
A10
/CS
I/O8
I/O7
I/O6
I/O5
I/O4
CC
μ
PD43256B