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IS61NVP10018-166TQI PDF预览

IS61NVP10018-166TQI

更新时间: 2024-11-19 06:13:55
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
17页 108K
描述
ZBT SRAM, 1MX18, 3.6ns, CMOS, PQFP100, TQFP-100

IS61NVP10018-166TQI 数据手册

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®
IS61NVP51236 IS61NVP10018  
ISSI  
PRELIMINARY INFORMATION  
SEPTEMBER 2002  
512K x 36 and 1M x 18  
PIPELINE 'NO WAIT' STATE BUS SRAM  
FEATURES  
DESCRIPTION  
The 18 Meg 'NVP' 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 524, 288 words by 36 bits and 1M 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  
All synchronous inputs pass through registers are  
controlled by a positive-edge-triggered single clock input.  
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  
• VDD +2.5V power supply (± 5%)  
• VDDQ: 2.5V I/O Supply Voltage  
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.  
• Industrial temperature available  
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. When tied HIGH, the interleaved burst  
sequence is selected. When tied LOW, the linear burst  
sequence is selected.  
FAST ACCESS TIME  
Symbol  
tKQ  
Parameter  
-133  
4.2  
-166  
3.6  
6
Units  
ns  
Clock Access Time  
CycleTime  
tKC  
7.5  
ns  
Frequency  
133  
166  
MHz  
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  
arisingoutoftheapplicationoruseofanyinformation, productsorservicesdescribedherein. Customersareadvisedtoobtainthelatestversionofthisdevicespecificationbeforerelyingonany  
publishedinformationandbeforeplacingordersforproducts.  
Integrated Silicon Solution, Inc. — www.issi.com — 1-800-379-47744  
Rev.00A  
1
09/06/02  

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