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IS61LV2568LL-15BI PDF预览

IS61LV2568LL-15BI

更新时间: 2023-05-15 00:00:00
品牌 Logo 应用领域
美国芯成 - ISSI 静态存储器
页数 文件大小 规格书
11页 55K
描述
Standard SRAM, 256KX8, 15ns, CMOS, PBGA36, 6 X 8 MM, MINI, BGA-36

IS61LV2568LL-15BI 数据手册

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®
IS61LV2568L  
IS61LV2568LL  
ISSI  
256K x 8 HIGH-SPEED CMOS STATIC RAM  
PRELIMINARYINFORMATION  
SEPTEMBER2002  
FEATURES  
• High-speed access time:  
IS61LV2568L: 8, 10 ns  
IS61LV2568LL: 12, 15 ns  
• Operating Current:  
• Packages available:  
– 36-pin 400-mil SOJ  
– 44-pin TSOP (Type II)  
– 36-ball mini BGA (6mm x 8mm)  
IS61LV2568L: 50mA (typ.)  
IS61LV2568LL: 25mA (typ.)  
• Standby Current:  
DESCRIPTION  
The ISSI IS61LV2568L/IS61LV2568LL is a very high-  
speed, low power, 262,144-word by 8-bit CMOS static  
RAM. The IS61LV2568L/IS61LV2568LL is fabricated us-  
ingISSI'shigh-performanceCMOStechnology.Thishighly  
reliable process coupled with innovative circuit design  
techniques, yields higher performance and low power  
consumption devices.  
IS61LV2568L: 500µA (typ.)  
IS61LV2568LL: 250µA(typ.)  
• Multiple center power and ground pins for  
greater noise immunity  
• Easy memory expansion with CE and OE  
When CE is HIGH (deselected), the device assumes a  
standby mode at which the power dissipation can be  
reduced down to 36mW (max.) with CMOS input levels.  
options  
CE power-down  
• TTL compatible inputs and outputs  
• Single 3.3V power supply  
The S61LV2568L/IS61LV2568LL operates from a single  
3.3V power supply and all inputs are TTL-compatible.  
TheS61LV2568L/IS61LV2568LL isavailablein36-pin400-  
milSOJ,44-pinTSOP(TypeII),and36-ballminiBGA(6mm  
x 8mm) packages.  
FUNCTIONAL BLOCK DIAGRAM  
256K X 8  
MEMORY ARRAY  
A0-A17  
DECODER  
V
DD  
GND  
I/O  
DATA  
CIRCUIT  
COLUMN I/O  
I/O0-I/O7  
CE  
OE  
WE  
CONTROL  
CIRCUIT  
Copyright © 2002 Integrated Silicon Solution, Inc. All rights reserved. ISSI reserves the right to make changes to this specification and its products at any time  
without notice. ISSI assumes no liability arising out of the application or use of any information, products or services described herein. Customers are advised to  
obtain the latest version of this device specification before relying on any published information and before placing orders for products.  
Integrated Silicon Solution, Inc. — www.issi.com — 1-800-379-4774  
Rev. 00D  
1
09/12/02  

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