參數(shù)資料
型號(hào)： UPD43256BGW-A85X-9JL
廠商： NEC Corp.
英文描述： 256K-BIT CMOS STATIC RAM 32K-WORD BY 8-BIT EXTENDED TEMPERATURE OPERATION
中文描述： 256K位CMOS靜態(tài)RAM 32K的字8位擴(kuò)展工作溫度
文件頁(yè)數(shù)： 1/20頁(yè)
文件大小： 127K
代理商： UPD43256BGW-A85X-9JL
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.
1995
MOS INTEGRATED CIRCUIT
μ
PD43256B-X
256K-BIT CMOS STATIC RAM
32K-WORD BY 8-BIT
EXTENDED TEMPERATURE OPERATION
DATA SHEET
Document No. M11012EJ4V0DSJ1 (4th edition)
Date Published December 2000 NS CP (K)
Printed in Japan
The mark
#
shows major revised points.
Description
The
μ
PD43256B-X is a high speed, low power, and 262,144 bits (32,768 words by 8 bits) CMOS static RAM.
The
μ
PD43256B-X is an extended-operating-temperature version of the
μ
PD43256B (X version : T
A
= –25 to +85
°
C). And A and B versions are low voltage operations. Battery backup is available.
The
μ
PD43256B-X is packed in 28-pin plastic TSOP (I) (8 x 13.4 mm).
Features
32,768 words by 8 bits organization
Fast access time: 70, 85, 100, 120, 150 ns (MAX.)
Operating ambient temperature: T
A
= –25 to +85
°
C
Low voltage operation (A version: V
CC
= 3.0 to 5.5 V, B version: V
CC
= 2.7 to 5.5 V)
Low V
CC
data retention: 2.0 V (MIN.)
/OE input for easy application
Part number
Access time
Operating supply Operating ambient
Supply current
ns (MAX.)
voltage
temperature
At operating
At standby
At data retention
V
°C
mA (MAX.)
μ
A (MAX.)
μ
A (MAX.)
Note1
μ
PD43256B-xxX
70, 85
4.5 to 5.5
25 to +85
45
50
2
μ
PD43256B-AxxX
85
Note2
, 100, 120
Note2
3.0 to 5.5
μ
PD43256B-BxxX
Note2
100, 120
Note2
, 150
Note2
2.7 to 5.5
40
Notes 1.
T
A
≤
40
°
C, V
CC
= 3.0 V
2.
100 s (MAX.) (V
CC
= 4.5 to 5.5 V)
Version X
This Data sheet can be applied to the version X. Each version is identified with its lot number. Letter X in the fifth
character position in a lot number signifies version X.
D43256B-X
Lot number
JAPAN
相關(guān)PDF資料
PDF描述
UPD43256BGW-85X-9JL 256K-BIT CMOS STATIC RAM 32K-WORD BY 8-BIT EXTENDED TEMPERATURE OPERATION
UPD43256 32,768 x 8-BIT STATIC MIX-MOS RAM
UPD43256-12 32,768 x 8-BIT STATIC MIX-MOS RAM
UPD43256-12L 32,768 x 8-BIT STATIC MIX-MOS RAM
UPD43256-15 32,768 x 8-BIT STATIC MIX-MOS RAM
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