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IS41C16257-45TL PDF预览

IS41C16257-45TL

更新时间: 2024-10-01 08:12:15
品牌 Logo 应用领域
美国芯成 - ISSI 动态存储器光电二极管内存集成电路
页数 文件大小 规格书
20页 142K
描述
Fast Page DRAM, 256KX16, 60ns, CMOS, PDSO40, 0.400 INCH, LEAD FREE, PLASTIC, TSOP2-44/40

IS41C16257-45TL 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:TSOP2包装说明:TSOP2, TSOP40/44,.46,32
针数:44Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.32.00.02
风险等级:5.74访问模式:FAST PAGE
最长访问时间:60 ns其他特性:RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH
I/O 类型:COMMONJESD-30 代码:R-PDSO-G40
JESD-609代码:e3长度:18.41 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:70 °C
最低工作温度:组织:256KX16
输出特性:3-STATE封装主体材料:PLASTIC/EPOXY
封装代码:TSOP2封装等效代码:TSOP40/44,.46,32
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, THIN PROFILE
电源:5 V认证状态:Not Qualified
刷新周期:512座面最大高度:1.2 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:COMMERCIAL
端子面层:Matte Tin (Sn) - annealed端子形式:GULL WING
端子节距:0.8 mm端子位置:DUAL
宽度:10.16 mmBase Number Matches:1

IS41C16257-45TL 数据手册

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®
IS41C16257  
IS41LV16257  
ISSI  
256K x 16 (4-MBIT) DYNAMIC RAM  
WITH FAST PAGE MODE  
JANUARY 2006  
DESCRIPTION  
FEATURES  
The ISSI ISꢁ1C1ꢂ25ꢃ and the ISꢁ1LV1ꢂ25ꢃ are 2ꢂ2,1ꢁꢁ  
x1ꢂ-bithigh-performanceCMOSDynamicRandomAccess  
Memories. Fast Page Mode allows 512 random accesses  
within a single row with access cycle time as short as 12 ns  
per 1ꢂ-bit word. The Byte Write control, of upper and lower  
byte, makes these devices ideal for use in 1ꢂ- 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  
ThesefeaturesmaketheISꢁ1C1ꢂ25andtheISꢁ1LV1ꢂ25ꢃ  
ideally suited for high band-width graphics, digital signal  
processing, high-performance computing systems, and  
peripheral applications.  
• Single power supply:  
-- 5V 10ꢀ (ISꢁ1C1ꢂ25ꢃ)  
-- 3.3V 10ꢀ (ISꢁ1LV1ꢂ25ꢃ)  
• Byte Write and Byte Read operation via two CAS  
• Industrial temperature available  
• Lead-free available  
The ISꢁ1C1ꢂ25ꢃ and the ISꢁ1LV1ꢂ25ꢃ are packaged in a  
ꢁ0-pin, ꢁ00-mil SOJ and TSOP (Type II).  
KEY TIMING PARAMETERS  
Parameter  
-35  
35  
10  
18  
12  
ꢂ0  
-45  
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)  
ꢂ0  
15  
ns  
30  
ns  
25  
ns  
110  
ns  
Copyright © 2005 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  
1
Rev. C  
12/19/05  

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