upd43256b-x Renesas Electronics Corporation., upd43256b-x Datasheet - Page 3

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

Pin Configurations (Marking Side)
/xxx indicates active low signal.
/WE
/OE
A11
A13
A14
A12
V
GND
A0 - A14
I/O1 - I/O8
/CS
/WE
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-pin PLASTIC TSOP(I) (8x13.4) (Reverse bent)
28-pin PLASTIC TSOP(I) (8x13.4) (Normal bent)
28
27
26
25
24
23
22
21
20
19
18
17
16
15
: Address inputs
: Data inputs / outputs
: Chip Select
: Write Enable
[
[
[
[
[
μ
μ
μ
μ
[
[
[
[
[
μ
μ
[
μ
μ
[
μ
μ
PD43256BGW-AxxX-9KL-A]
PD43256BGW-BxxX-9KL-A]
PD43256BGW-AxxX-9JL-A]
PD43256BGW-BxxX-9JL-A]
μ
μ
PD43256BGW-xxX-9KL-A]
PD43256BGW-xxX-9JL-A]
PD43256BGW-AxxX-9KL]
PD43256BGW-BxxX-9KL]
PD43256BGW-AxxX-9JL]
PD43256BGW-BxxX-9JL]
Data Sheet M11012EJ6V0DS
PD43256BGW-xxX-9KL]
PD43256BGW-xxX-9JL]
V
GND :
/OE
CC
:
:
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
A11
A9
A8
A13
A14
A12
A7
A6
A5
A4
A3
/OE
V
CC
μ
PD43256B-X
3