參數(shù)資料
型號： μPD43256B-X
廠商： NEC Corp.
英文描述： 256K-Bit CMOS Static RAM(256K CMOS 靜態(tài)RAM)
中文描述： 256K位CMOS靜態(tài)RAM（256K的CMOS靜態(tài)RAM）的
文件頁數(shù)： 1/20頁
文件大?。?/td> 139K
代理商： ΜPD43256B-X
1995
DATA SHEET
MOS INTEGRATED CIRCUIT
μ
PD43256B-X
Description
The
μ
PD43256B-X is a high speed, low power, and 262, 144 bits (32,768 words by 8 bits) CMOS static RAM. This
device is an extended-operating-temperature version of the
μ
PD43256B (X version, –25 to +85
°
C). And A and B
versions are wide voltage operations. Battery backup is available.
The
μ
PD43256B-X is packed in 28-pin plastic TSOP (I).
Features
32,768 words by 8 bits organization
Fast access time: 70, 85, 100, 120, 150 ns (MAX.)
Extended temperature (X version: T
A
= –25 to +85
°
C)
Wide voltage range (A version: V
CC
= 3.0 to 5.5 V, B version: V
CC
= 2.7 to 5.5 V)
2 V data retention
OE input for easy application
Access time
ns (MAX.)
Operating
supply voltage
V
Operating
temperature
°
C
Standby
supply current
μ
A (MAX.)
Data retention
supply current
Note 1
μ
A (MAX.)
Part number
μ
PD43256B-X
70, 85, 100
4.5 to 5.5
–25 to +85
50
2
μ
PD43256B-AX
85
Note 2
, 100,
120
Note 2
3.0 to 5.5
μ
PD43256B-BX
100, 120
Note 2
,
150
Note 2
2.7 to 5.5
Notes 1.
T
A
≤
40 C, V
CC
= 3 V
2.
100 ns (MAX.) (V
CC
= 4.5 to 5.5 V)
Version X (DIP, SOP, TSOP (I))
This data sheet can be applied to the version X (DIP, SOP, TSOP (I)). Each version is identified with its lot number.
Letter X in the fifth character position in a lot number signifies version X.
The information in this document is subject to change without notice.
256K-BIT CMOS STATIC RAM
32K-WORD BY 8-BIT
EXTENDED TEMPERATURE OPERATION
The mark shows major revised points.
Document No. M11012EJ3V0DS00 (3rd edition)
Date Published July 1997 N
Printed in Japan
D43256B-X
JAPAN
X
Lot number
相關PDF資料
PDF描述
μPD43256B 256K-Bit CMOS Static RAM(256K CMOS 靜態(tài)存儲器)
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相關代理商/技術參數(shù)
參數(shù)描述
PD43-272M 功能描述:固定電感器 2.7uH 20% .079ohm Choke SMT Inductor RoHS:否 制造商:AVX 電感:10 uH 容差:20 % 最大直流電流:1 A 最大直流電阻:0.075 Ohms 工作溫度范圍:- 40 C to + 85 C 自諧振頻率:38 MHz Q 最小值:40 尺寸:4.45 mm W x 6.6 mm L x 2.92 mm H 屏蔽:Shielded 端接類型:SMD/SMT 封裝 / 箱體:6.6 mm x 4.45 mm
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PD43-392M 功能描述:固定電感器 3.9uH 20% .094ohm Choke SMT Inductor RoHS:否 制造商:AVX 電感:10 uH 容差:20 % 最大直流電流:1 A 最大直流電阻:0.075 Ohms 工作溫度范圍:- 40 C to + 85 C 自諧振頻率:38 MHz Q 最小值:40 尺寸:4.45 mm W x 6.6 mm L x 2.92 mm H 屏蔽:Shielded 端接類型:SMD/SMT 封裝 / 箱體:6.6 mm x 4.45 mm
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