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IS61NF25618-8.5B PDF预览

IS61NF25618-8.5B

更新时间： 2024-11-21 12:08:39
品牌 Logo 应用领域
美国芯成 - ISSI 存储内存集成电路静态存储器时钟
页数 文件大小 规格书
20页 129K
描述
128K x 32, 128K x 36 and 256K x 18 FLOW-THROUGH NO WAIT STATE BUS SRAM

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IS61NF25618-8.5B 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：BGA
包装说明：PLASTIC, BGA-119针数：119
Reach Compliance Code：compliantECCN代码：3A991.B.2.A
HTS代码：8542.32.00.41风险等级：5.92
Is Samacsys：N最长访问时间：8.5 ns
其他特性：FLOW-THROUGH ARCHITECTURE最大时钟频率 (fCLK)：100 MHz
I/O 类型：COMMONJESD-30 代码：R-PBGA-B119
JESD-609代码：e0长度：22 mm
内存密度：4718592 bit内存集成电路类型：ZBT SRAM
内存宽度：18功能数量：1
端子数量：119字数：262144 words
字数代码：256000工作模式：SYNCHRONOUS
最高工作温度：70 °C最低工作温度：
组织：256KX18输出特性：3-STATE
封装主体材料：PLASTIC/EPOXY封装代码：BGA
封装等效代码：BGA119,7X17,50封装形状：RECTANGULAR
封装形式：GRID ARRAY并行/串行：PARALLEL
峰值回流温度（摄氏度）：240电源：3.3 V
认证状态：Not Qualified座面最大高度：2.41 mm
最大待机电流：0.01 A最小待机电流：3.14 V
子类别：SRAMs最大压摆率：0.305 mA
最大供电电压 (Vsup)：3.465 V最小供电电压 (Vsup)：3.135 V
标称供电电压 (Vsup)：3.3 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：BALL
端子节距：1.27 mm端子位置：BOTTOM
处于峰值回流温度下的最长时间：30宽度：14 mm
Base Number Matches：1

IS61NF25618-8.5B 数据手册

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®
IS61NF12832 IS61NF12836 IS61NF25618  
IS61NLF12832 IS61NLF12836 IS61NLF25618 ISSI  
128K x 32, 128K x 36 and 256K x 18  
FLOW-THROUGH 'NO WAIT' STATE BUS  
NOVEMBER 2002  
SRAM  
FEATURES  
DESCRIPTION  
The 4 Meg 'NF' product family feature high-speed,  
low-power synchronous static RAMs designed to provide  
a burstable, high-performance, 'no wait' state, device for  
network and communications customers. They are  
organized as 131,072 words by 32 bits, 131,072 words  
by 36 bits and 262,144 words by 18 bits, fabricated with  
ISSI's advanced CMOS technology.  
• 100 percent bus utilization  
• No wait cycles between Read and Write  
• Internal self-timed write cycle  
• Individual Byte Write Control  
• Single R/W (Read/Write) control pin  
• Clock controlled, registered address,  
data and control  
Incorporating a 'no wait' state feature, wait cycles are  
eliminated when the bus switches from read to write, or  
write to read. This device integrates a 2-bit burst counter,  
high-speed SRAM core, and high-drive capability outputs  
into a single monolithic circuit.  
• Interleaved or linear burst sequence control  
using MODE input  
• Three chip enables for simple depth expansion  
and address pipelining for TQFP  
Allsynchronousinputspassthroughregistersarecontrolled  
byapositive-edge-triggeredsingleclockinput.Operations  
may be suspended and all synchronous inputs ignored  
when Clock Enable, CKE is HIGH. In this state the internal  
device will hold their previous values.  
• Power Down mode  
• Common data inputs and data outputs  
• CKE pin to enable clock and suspend operation  
• JEDEC 100-pin TQFP, 119 PBGA package  
• Single +3.3V power supply (± 5%)  
• NF Version: 3.3V I/O Supply Voltage  
• NLF Version: 2.5V I/O Supply Voltage  
• Industrialtemperatureavailable  
All Read, Write and Deselect cycles are initiated by the  
ADV input. When the ADV is HIGH the internal burst  
counter is incremented. New external addresses can be  
loaded when ADV is LOW.  
Write cycles are internally self-timed and are initiated by  
the rising edge of the clock inputs and when WE is LOW.  
Separate byte enables allow individual bytes to be written.  
A burst mode pin (MODE) defines the order of the burst  
sequence.WhentiedHIGH,theinterleavedburstsequence  
is selected. When tied LOW, the linear burst sequence is  
selected.  
FAST ACCESS TIME  
Symbol  
tKQ  
Parameter  
-8.5  
8.5  
10  
-9  
9
-10  
10  
12  
83  
Units  
ns  
Clock Access Time  
Cycle Time  
tKC  
12  
83  
ns  
Frequency  
100  
MHz  
ISSIreservestherighttomakechangesthisspecificationhereinanditproductsatanytimewithoutnotice. ISSIassumesnoresponsibilityorliabilityarisingoutoftheapplicationoruseofanyinformation,  
productorservicesdescribedherein.Customersareadvisedtoobtainthelatestversionofthisdevicespecificationbeforerelyingonanypublishedinformationandbeforeplacingordersforproducts.  
©Copyright2000,IntegratedSiliconSolution,Inc  
Integrated Silicon Solution, Inc. — www.issi.com — 1-800-379-4774  
Rev. A  
1
11/11/02  
1234567...20

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IS61NF25632-10B ISSI

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IS61NF25632-8.5B ISSI

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IS61NF25636 ISSI

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IS61NF25636-10BI ISSI

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IS61NF25636-10TQ ISSI

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IS61NF25636-10TQI ISSI

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 		ZBT SRAM, 256KX36, 10ns, CMOS, PQFP100, TQFP-100

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