MH32S72DBFA 查看數據表（PDF） - MITSUBISHI ELECTRIC
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MH32S72DBFA
MITSUBISHI ELECTRIC
MH32S72DBFA Datasheet PDF : 56 Pages
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Preliminary Spec.
Some contents are subject to change without notice.
MITSUBISHI LSIs
MH32S72DBFA -7,-8
2,415,919,104-BIT ( 33,554,432-WORD BY 72-BIT ) Synchronous DYNAMIC RAM
COMMAND TRUTH TABLE
COMMAND
Deselect
No Operation
MNEMONIC CKE CKE /CS /RAS /CAS /WE BA0,1 A11 A10 A0-9
n-1 n
DESEL
H
X
H
X
X
X
X
X
X
X
NOP
H
X
L
H
H
H
X
X
X
X
Row Address Entry &
Bank Activate
Single Bank Precharge
Precharge All Banks
ACT
PRE
PREA
H
X
L
L
H
H
V
V
V
V
H
X
L
L
H
L
V
X
L
X
H
X
L
L
H
L
X
X
H
X
Column Address Entry
& Write
WRITE
H
X
L
H
L
L
V
X
L
V
Column Address Entry
& Write with Auto-
WRITEA
H
X
Precharge
L
H
L
L
V
X
H
V
Column Address Entry
& Read
Column Address Entry
& Read with Auto-
Precharge
READ
READA
H
X
H
X
L
H
L
L
H
L
H
V
X
L
V
H
V
X
H
V
Auto-Refresh
Self-Refresh Entry
Self-Refresh Exit
Burst Terminate
Mode Register Set
REFA
REFS
REFSX
TBST
MRS
H
H
L
L
L
H
X
X
X
X
H
L
L
L
L
H
X
X
X
X
L
H
H
X
X
X
X
X
X
X
L
H
L
H
H
H
X
X
X
X
H
X
L
H
H
LX
X
X
X
H
X
L
L
L
L
L
L
L V*1
H=High Level, L=Low Level, V=Valid, X=Don't Care, n=CLK cycle number
NOTE:
1. A7-A9 =0, A0-A6 =Mode Address
MIT-DS-348-0.0
MITSUBISHI
ELECTRIC
29/Sep. /1999 6
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