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IS61C256AH-20T PDF预览

IS61C256AH-20T

更新时间: 2024-11-27 22:48:03
品牌 Logo 应用领域
美国芯成 - ISSI /
页数 文件大小 规格书
8页 64K
描述
32K x 8 HIGH-SPEED CMOS STATIC RAM

IS61C256AH-20T 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Obsolete零件包装代码:TSOP
包装说明:TSOP1, TSSOP28,.53,22针数:28
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8542.32.00.41风险等级:5.22
最长访问时间:20 nsI/O 类型:COMMON
JESD-30 代码:R-PDSO-G28JESD-609代码:e0
长度:11.8 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:TSOP1封装等效代码:TSSOP28,.53,22
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, THIN PROFILE
并行/串行:PARALLEL峰值回流温度(摄氏度):NOT SPECIFIED
电源:5 V认证状态:Not Qualified
座面最大高度:1.2 mm最大待机电流:0.002 A
最小待机电流:4.5 V子类别:SRAMs
最大压摆率:0.135 mA最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):4.5 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 (Sn/Pb)
端子形式:GULL WING端子节距:0.55 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 mmBase Number Matches:1

IS61C256AH-20T 数据手册

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®
ISSI  
IS61C256AH  
32K x 8 HIGH-SPEED CMOS STATIC RAM  
MAY 1999  
FEATURES  
DESCRIPTION  
The ISSI IS61C256AH is a very high-speed, low power,  
32,768 word by 8-bit static RAMs. They are fabricated using  
ISSI's high-performance CMOS technology. This highly reli-  
able process coupled with innovative circuit design tech-  
niques, yields access times as fast as 10 ns maximum.  
• High-speed access time: 10, 12, 15, 20, 25 ns  
• Low active power: 400 mW (typical)  
• Low standby power  
— 250 µW (typical) CMOS standby  
— 55 mW (typical) TTL standby  
WhenCEisHIGH(deselected), thedeviceassumesastandby  
mode at which the power dissipation can be reduced down to  
250 µW (typical) with CMOS input levels.  
• Fully static operation: no clock or refresh  
required  
• TTL compatible inputs and outputs  
• Single 5V power supply  
Easy memory expansion is provided by using an active LOW  
ChipEnable(CE)inputandanactiveLOWOutputEnable(OE)  
input. The active LOW Write Enable (WE) controls both writing  
and reading of the memory.  
The IS61C256AH is pin compatible with other 32K x 8 SRAMs  
and are available in 28-pin PDIP, SOJ, and TSOP (Type I)  
packages.  
FUNCTIONAL BLOCK DIAGRAM  
32K X 8  
MEMORY ARRAY  
A0-A14  
DECODER  
VCC  
GND  
I/O  
DATA  
COLUMN I/O  
I/O0-I/O7  
CIRCUIT  
CE  
CONTROL  
CIRCUIT  
OE  
WE  
ISSI reserves the right to make changes to its products at any time without notice in order to improve design and supply the best possible product. We assume no responsibility for any errors which  
may appear in this publication. © Copyright 1999, Integrated Silicon Solution, Inc.  
Integrated Silicon Solution, Inc. — 1-800-379-4774  
SR020-1O  
05/24/99  
1

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