UPD43256BGW-B12-9JL NEC [NEC], UPD43256BGW-B12-9JL Datasheet
UPD43256BGW-B12-9JL
Manufacturer Part Number
UPD43256BGW-B12-9JL
Description
256K-BIT CMOS STATIC RAM 32K-WORD BY 8-BIT
Manufacturer
NEC [NEC]
Datasheet
1.UPD43256BGW-B12-9JL.pdf
(24 pages)
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Document No. M10770EJCV0DS00 (12th edition)
Date Published June 2000 NS CP (K)
Printed in Japan
Description
Features
Notes 1. T
Version X and P
fifth character position in a lot number signifies version X, letter P, version P.
32,768 words by 8 bits organization
Fast access time: 70, 85, 100, 120, 150 ns (MAX.)
Low voltage operation (A version: V
Low V
/OE input for easy application
The PD43256B is a high speed, low power, and 262,144 bits (32,768 words by 8 bits) CMOS static RAM.
Battery backup is available. And A and B versions are wide voltage operations.
The PD43256B is packed in 28-pin plastic DIP, 28-pin plastic SOP and 28-pin plastic TSOP (I) (8 x 13.4 mm).
PD43256B-xxL
PD43256B-xxLL
PD43256B-Axx
PD43256B-Bxx
This Data sheet can be applied to the version X and P. Each version is identified with its lot number. Letter X in the
Part number
2. Access time: 85 ns (MAX.) (V
CC
data retention: 2.0 V (MIN.)
A
The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.
Not all devices/types available in every country. Please check with local NEC representative for
availability and additional information.
40 C, V
Note2
85, 100
CC
100, 120, 150
Access time
ns (MAX.)
= 3.0 V
70, 85
Note2
, 120
Note2
256K-BIT CMOS STATIC RAM
CC
The mark
CC
= 3.0 to 5.5 V, B version: V
Operating supply Operating ambient
= 4.5 to 5.5 V)
32K-WORD BY 8-BIT
D43256B
4.5 to 5.5
3.0 to 5.5
2.7 to 5.5
voltage
Lot number
DATA SHEET
V
shows major revised points.
JAPAN
temperature
0 to 70
°C
CC
MOS INTEGRATED CIRCUIT
= 2.7 to 5.5 V)
At operating
mA (MAX.)
45
PD43256B
Supply current
At standby
A (MAX.)
50
15
©
At data retention
A (MAX.)
3
2
1990, 1993, 1994
Note1
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