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MC-4564EC727PF-A75 PDF预览

MC-4564EC727PF-A75

更新时间: 2024-11-03 12:46:39
品牌 Logo 应用领域
日电电子 - NEC 内存集成电路动态存储器时钟
页数 文件大小 规格书
16页 183K
描述
64M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE REGISTERED TYPE

MC-4564EC727PF-A75 数据手册

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DATA SHEET  
MOS INTEGRATED CIRCUIT  
MC-4564EC727  
64M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE  
REGISTERED TYPE  
Description  
The MC-4564EC727 is a 67,108,864 words by 72 bits synchronous dynamic RAM module on which 36 pieces of  
128 M SDRAM: µPD45128441 are assembled.  
This module provides high density and large quantities of memory in a small space without utilizing the surface-  
mounting technology on the printed circuit board.  
Decoupling capacitors are mounted on power supply line for noise reduction.  
Features  
67,108,864 words by 72 bits organization (ECC type)  
Clock frequency and access time from CLK  
Clock frequency  
(MAX.)  
Access time from CLK  
(MAX.)  
Part number  
/CAS latency  
Module type  
MC-4564EC727EF-A75  
CL = 3  
CL = 2  
CL = 3  
CL = 2  
133 MHz  
100 MHz  
133 MHz  
100 MHz  
5.4 ns  
6.0 ns  
5.4 ns  
6.0 ns  
PC133 Registered DIMM  
Rev. 1.0 Compliant  
MC-4564EC727PF-A75  
Fully Synchronous Dynamic RAM, with all signals referenced to a positive clock edge  
Pulsed interface  
Possible to assert random column address in every cycle  
Quad internal banks controlled by BA0 and BA1 (Bank Select)  
Programmable burst-length (1, 2, 4, 8 and Full Page)  
Programmable wrap sequence (Sequential / Interleave)  
Programmable /CAS latency (2, 3)  
Automatic precharge and controlled precharge  
CBR (Auto) refresh and self refresh  
All DQs have 10 Ω ± 10 % of series resistor  
Single 3.3 V ±0.3 V power supply  
LVTTL compatible  
4,096 refresh cycles/64 ms  
Burst termination by Burst Stop command and Precharge command  
168-pin dual in-line memory module (Pin pitch = 1.27 mm)  
Registered type  
Serial PD  
Stacked monolithic technology  
The information in this document is subject to change without notice. Before using this document, please  
confirm that this is the latest version.  
Not all devices/types available in every country. Please check with local NEC representative for  
availability and additional information.  
1999  
©
Document No.  
Date Published February 2000 NS CP(K)  
Printed in Japan  
M14461EJ2V0DS00 (2nd edition)  
The mark shows major revised points.  

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