參數(shù)資料
型號: VDD7616A4A-75BA
廠商: Electronic Theatre Controls, Inc.
英文描述: DOUBLE DATA RATE SDRAM
中文描述: 雙倍數(shù)據(jù)速率SDRAM內(nèi)存
文件頁數(shù): 8/9頁
文件大小: 548K
代理商: VDD7616A4A-75BA
V-Data
VDD7616A4A
Command Truth-Table
SYM.
Command
CKEn-1 CKEn /CS
/RAS /CAS
/WE
DM ADDR A10/AP BS
MRS
Mode Register Set
H
X
L
L
L
L
X
CA
CA
L
NOP
No Operation
H
X
L
H
H
H
X
X
ACT
Bank Active
H
X
L
L
H
H
X
V
V
READ Read
L
READA Read with Auto Precharge
H
X
L
H
L
H
X
V
H
V
WRIT
Write
L
WRITA Write with Auto Precharge
H
X
L
H
L
L
X
V
H
V
PREA
Precharge All Bank
H
X
L
L
H
L
X
X
H
X
BST
Burst Stop
H
X
L
H
H
L
X
X
AREF
Auto Refresh
H
H
L
L
L
H
X
X
Entry
H
L
L
L
L
H
X
H
X
X
X
SELF
SELEX Self Refresh
Exit
L
H
L
H
H
H
X
X
H
X
X
X
Entry
H
L
L
H
H
H
X
H
X
X
X
PD
PDEX
Precharge
Power down
Exit
L
H
L
H
H
X
X
X
Enable
H
X
X
X
X
X
L
WDE
WDD
Data write
Disable
H
X
X
X
X
X
H
X
Rev 2 Apr, 2002
8
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