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UPD43256BGU-A12 PDF预览

UPD43256BGU-A12

更新时间: 2024-11-23 22:17:59
品牌 Logo 应用领域
日电电子 - NEC /
页数 文件大小 规格书
24页 174K
描述
256K-BIT CMOS STATIC RAM 32K-WORD BY 8-BIT

UPD43256BGU-A12 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
包装说明:0.450 INCH, PLASTIC, SOP-28Reach Compliance Code:compliant
风险等级:5.69最长访问时间:120 ns
JESD-30 代码:R-PDSO-G28JESD-609代码:e0
长度:18 mm内存密度:262144 bit
内存集成电路类型:STANDARD SRAM内存宽度:8
功能数量:1端口数量:1
端子数量:28字数:32768 words
字数代码:32000工作模式:ASYNCHRONOUS
最高工作温度:70 °C最低工作温度:
组织:32KX8输出特性:3-STATE
可输出:YES封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE并行/串行:PARALLEL
峰值回流温度(摄氏度):NOT SPECIFIED认证状态:Not Qualified
座面最大高度:3 mm最小待机电流:2 V
最大供电电压 (Vsup):5.5 V最小供电电压 (Vsup):3 V
标称供电电压 (Vsup):5 V表面贴装:YES
技术:CMOS温度等级:COMMERCIAL
端子面层:TIN LEAD端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:8.4 mm
Base Number Matches:1

UPD43256BGU-A12 数据手册

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DATA SHEET  
MOS INTEGRATED CIRCUIT  
µPD43256B  
256K-BIT CMOS STATIC RAM  
32K-WORD BY 8-BIT  
Description  
The µPD43256B is a high speed, low power, and 262, 144 bits (32,768 words by 8 bits) CMOS static RAM.  
Battery backup is available (L, LL, A, and B versions). And A and B versions are wide voltage operations.  
The µPD43256B is packed in 28-pin plastic DIP, 28-pin plastic SOP and 28-pin plastic TSOP (I).  
Features  
32,768 words by 8 bits organization  
Fast access time: 70, 85, 100, 120, 150 ns (MAX.)  
Wide voltage range (A version: VCC = 3.0 to 5.5 V, B version: VCC = 2.7 to 5.5 V)  
2 V data retention  
OE input for easy application  
Operating  
supply voltage  
V
Operating  
temperature  
°C  
Standby  
supply current  
µA (MAX.)  
Data retention  
supply currentNote 1  
µA (MAX.)  
Access time  
ns (MAX.)  
Part number  
µPD43256B-L  
µPD43256B-LL  
µPD43256B-A  
70, 85  
70, 85  
4.5 to 5.5  
0 to 70  
50  
15  
3
2
Note 2  
Note 2  
85, 100  
, 120  
3.0 to 5.5  
2.7 to 5.5  
Note 2  
µPD43256B-B  
100, 120, 150  
Notes 1. TA 40 ˚C, VCC = 3 V  
2. Access time : 85 ns (MAX.) (VCC = 4.5 to 5.5 V)  
Version X and P  
This data sheet can be applied to the version X and P. Each version is identified with its lot number. Letter X in  
the fifth character position in a lot number signifies version X, letter P, version P.  
JAPAN  
D43256B  
Lot number  
The information in this document is subject to change without notice.  
Document No. M10770EJ9V0DS00 (9th edition)  
Date Published May 1997 N  
The mark  
shows major revised points.  
Printed in Japan  
1990, 1993, 1994  
©

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