參數(shù)資料
型號: MH28D72KLG-75
廠商: Mitsubishi Electric Corporation
英文描述: 9,663,676,416-BIT (134,217,728-WORD BY 72-BIT) Double Data Rate Synchronous DRAM Module
中文描述: 9663676416位(134217728 - Word的72位),雙數(shù)據(jù)速率同步DRAM模塊
文件頁數(shù): 6/39頁
文件大?。?/td> 337K
代理商: MH28D72KLG-75
MITSUBISHI LSIs
MITSUBISHI ELECTRIC
MH28D72KLG-75,-10
9,663,676,416-BIT (134,217,728-WORD BY 72-BIT) Double Data Rate Synchronous DRAM Module
MIT-DS-0412-0.1
21.Mar.2001
Preliminary Spec.
Some contents are subject to change without notice.
6
COMMAND TRUTH TABLE
H=High Level, L=Low Level, V=Valid, X=Don't Care, n=CLK cycle number
COMMAND
MNEMONIC
CKE
n-1
CKE
n
/S
/RAS
/CAS
/WE
BA0,1
A10
/AP
A0-9,
11-12
Deselect
DESEL
H
X
H
X
X
X
X
X
X
No Operation
NOP
H
X
L
H
H
H
X
X
X
Row Address Entry &
Bank Activate
ACT
H
X
L
L
H
H
V
V
V
Single Bank Precharge
PRE
H
X
L
L
H
L
V
L
X
Precharge All Banks
PREA
H
X
L
L
H
L
H
X
Column Address Entry
& Write
Column Address Entry
& Write with
Auto-Precharge
WRITE
H
X
L
H
L
L
V
L
V
WRITEA
H
X
L
H
L
L
V
H
V
Column Address Entry
& Read
READ
H
X
L
H
L
H
V
L
V
Column Address Entry
& Read with
Auto-Precharge
Auto-Refresh
READA
H
X
L
H
L
H
V
H
V
REFA
H
H
L
L
L
H
X
X
X
Self-Refresh Entry
REFS
H
L
L
L
L
H
X
X
X
Self-Refresh Exit
REFSX
L
H
H
X
X
X
X
X
X
L
H
L
H
H
H
X
X
X
Burst Terminate
TERM
H
X
L
H
H
L
X
X
X
Mode Register Set
MRS
H
X
L
L
L
L
L
L
V
X
note
1
NOTE:
1. Applies only to read bursts with autoprecharge disabled; this command is undefined (and should
not be used) for read bursts with autoprecharge enabled, and for write bursts.
2. BA0-BA1 select either the Base or the Extended Mode Register (BA0 = 0, BA1 = 0 selects Mode
Register; BA0 = 1, BA1 = 0 selects Extended Mode Register; other combinations of BA0-BA1 are
reserved; A0-A11 provide the op-code to be written to the selected Mode Register.
2
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