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MH4V644AXJJ

产品描述fast page mode 268435456-bit (4194304-word BY 64-bit)dynamic ram
文件大小217KB,共25页
制造商Mitsubishi(日本三菱)
官网地址http://www.mitsubishielectric.com/semiconductors/
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MH4V644AXJJ概述

fast page mode 268435456-bit (4194304-word BY 64-bit)dynamic ram

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Preliminary
Some of contents are subject
to change without notice.
MITSUBISHI LSIs
MH4V64/644AXJJ-5,-6,-5S,-6S
FAST PAGE MODE 268435456-BIT (4194304-WORD BY 64-BIT)DYNAMIC RAM
DESCRIPTION
This is family of 4194304 - word by 64 - bit dynamic RAM
module. This consists of four industry standard 4Mx16 dynamic
RAMs in TSOP and one industry EEPROM in TSSOP.
The mounting of TSOP on a card edge dual in line package
provides any application where high densities and large of
quantities memory are required.
This is a socket-type memory module,suitable for easy
interchange of addition of modules.
ADDRESS
Part No.
MH4V64AXJJ
MH4V644AXJJ
Row Add. Col Add.
A0~A12
A0~A11
Refresh
/RAS only Ref,Normal R/W
/RAS only Ref,Normal R/W
CBR Ref,Hidden Ref
A0~A8
CBR Ref,Hidden Ref
A0~A9
Refresh
Cycle
8192/64ms
4096/64ms
4096/64ms
APPLICATION
Main memory unit for computer,Microcomputer
memory,Refresh memory for CRT.
*:Applicable to self refresh version(MH4V64/644AXJJ-5S,-6S)
only
FEATURES
RAS
CAS Address
OE
access access access access Cycle
time
time
time
time
time (min.ns)
(max.ns) (max.ns) (max.ns) (max.ns)
MH4V64AXJJ-5,5S
MH4V64AXJJ-6,6S
MH4V644AXJJ-5,5S
MH4V644AXJJ-6,6S
50
60
50
60
13
15
13
15
25
30
25
30
13
15
13
15
90
110
90
110
single 3.3V± 0.3V supply
Low stand-by power dissipation
7.2mW- - - - - - - - - LVCMOS input level
operating power dissipation
MH4V64AXJJ-5,5S - - - - - 1584 mW(max.)
MH4V64AXJJ-6,6S - - - - - 1440mW(max.)
MH4V644AXJJ-5,5S - - - - 2016 mW(max.)
MH4V644AXJJ-6,6S - - - - 1872 mW(max.)
Self refresh capability*
Self refresh current - - - - 1600 uA(max.)
All input, output LVTTL compatible and low capacitance
Utilizes industry standard 4Mx16 RAMs in TSOP
and industry standard EEPROM in TSSOP.
Includes decoupling capacitor(0.22uFx4)
Fast page mode , Read-modify-write,
CAS before RAS refresh,Hidden refresh capabilities.
Early-write mode,OE to control output buffer
impedance.
MIT-DS-0072-0.5
MITSUBISHI
ELECTRIC
( 1 / 25 )
26/Feb./1997

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描述 fast page mode 268435456-bit (4194304-word BY 64-bit)dynamic ram fast page mode 268435456-bit (4194304-word BY 64-bit)dynamic ram fast page mode 268435456-bit (4194304-word BY 64-bit)dynamic ram fast page mode 268435456-bit (4194304-word BY 64-bit)dynamic ram fast page mode 268435456-bit (4194304-word BY 64-bit)dynamic ram fast page mode 268435456-bit (4194304-word BY 64-bit)dynamic ram fast page mode 268435456-bit (4194304-word BY 64-bit)dynamic ram fast page mode 268435456-bit (4194304-word BY 64-bit)dynamic ram fast page mode 268435456-bit (4194304-word BY 64-bit)dynamic ram fast page mode 268435456-bit (4194304-word BY 64-bit)dynamic ram
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