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IS41C16257-60KI PDF预览

IS41C16257-60KI

更新时间: 2024-09-29 22:48:03
品牌 Logo 应用领域
美国芯成 - ISSI 存储内存集成电路光电二极管动态存储器
页数 文件大小 规格书
17页 164K
描述
256K x 16 (4-MBIT) DYNAMIC RAM WITH FAST PAGE MODE

IS41C16257-60KI 技术参数

是否Rohs认证:不符合生命周期:Obsolete
零件包装代码:SOJ包装说明:SOJ, SOJ40,.44
针数:40Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.32.00.02
风险等级:5.32Is Samacsys:N
访问模式:FAST PAGE最长访问时间:60 ns
其他特性:RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESHI/O 类型:COMMON
JESD-30 代码:R-PDSO-J40JESD-609代码:e0
长度:26.035 mm内存密度:4194304 bit
内存集成电路类型:FAST PAGE DRAM内存宽度:16
功能数量:1端口数量:1
端子数量:40字数:262144 words
字数代码:256000工作模式:ASYNCHRONOUS
最高工作温度:85 °C最低工作温度:-40 °C
组织:256KX16输出特性:3-STATE
封装主体材料:PLASTIC/EPOXY封装代码:SOJ
封装等效代码:SOJ40,.44封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):NOT SPECIFIED
电源:5 V认证状态:Not Qualified
刷新周期:512座面最大高度:3.7592 mm
自我刷新:NO最大待机电流:0.002 A
子类别:DRAMs最大压摆率:0.17 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:INDUSTRIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:J BEND
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:10.16 mm
Base Number Matches:1

IS41C16257-60KI 数据手册

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IS41C16257  
IS41LV16257  
256K x 16 (4-MBIT) DYNAMIC RAM  
WITH FAST PAGE MODE  
®
ISSI  
MAY 1999  
DESCRIPTION  
FEATURES  
The ISSI IS41C16257 and the IS41LV16257 are 262,144  
x16-bithigh-performanceCMOSDynamicRandomAccess  
Memories. Fast Page Mode allows 512 random accesses  
within a single row with access cycle time as short as 12 ns  
per 16-bit word. The Byte Write control, of upper and lower  
byte, makes these devices ideal for use in 16- and 32-bit  
wide data bus systems.  
• Fast access and cycle time  
• TTL compatible inputs and outputs  
• Refresh Interval: 512 cycles/8 ms  
Refresh Mode: RAS-Only, CAS-before-RAS (CBR),  
and Hidden  
• JEDEC standard pinout  
ThesefeaturesmaketheIS41C16257andtheIS41LV16257  
ideally suited for high band-width graphics, digital signal  
processing, high-performance computing systems, and  
peripheral applications.  
• Single power supply:  
-- 5V ± 10% (IS41C16257)  
-- 3.3V ± 10% (IS41LV16257)  
• Byte Write and Byte Read operation via two CAS  
• Industrial temperature available  
The IS41C16257 and the IS41LV16257 are packaged in a  
40-pin, 400-mil SOJ and TSOP (Type II).  
KEY TIMING PARAMETERS  
Parameter  
-35  
35  
10  
18  
12  
60  
-60  
60  
Unit  
ns  
Max. RAS Access Time (tRAC)  
Max. CAS Access Time (tCAC)  
Max. Column Address Access Time (tAA)  
Min. Fast Page Mode Cycle Time (tPC)  
Min. Read/Write Cycle Time (tRC)  
15  
ns  
30  
ns  
25  
ns  
110  
ns  
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  
DR004-1B  
05/24/99  
1

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