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EM47DM0888SBA bảng dữ liệu(PDF) 25 Page - Eorex Corporation

tên linh kiện EM47DM0888SBA
Giải thích chi tiết về linh kiện  JEDEC Standard VDD/VDDQ
PDF  39 Pages
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nhà sản xuất  EOREX [Eorex Corporation]
Trang chủ  http://www.eorex.com
Logo EOREX - Eorex Corporation

EM47DM0888SBA bảng dữ liệu(HTML) 25 Page - Eorex Corporation

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EM47DM0888SBA
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1. Command Truth Table
CKE
Command
Symbol
n-1
N
/CS
/RAS
/CAS
/WE
BA0~
BA2
A10
A12,
A10~A0
Device Deselect
DES
H
H
H
X
X
X
X
X
X,X
No Operation
NOP
H
H
L
H
H
H
V
V
V,V
Read (fixed BL8/BC4)
RD
H
H
L
H
L
H
BA
L
V,CA
Read (BC4, OTF)
RDS4
H
H
L
H
L
H
BA
L
L,CA
Read (BL8, OTF)
RDS8
H
H
L
H
L
H
BA
L
H,CA
Read with Auto Pre-
charge (fixed BL8/BC4)
RDA
H
H
L
H
L
H
BA
H
V,CA
Read with Auto Pre-
charge (BC4, OTF)
RDAS4
H
H
L
H
L
H
BA
H
L,CA
Read with Auto Pre-
charge (BL8, OTF)
RDAS8
H
H
L
H
L
H
BA
H
H,CA
Write (fixed BL8/BC4)
WR
H
H
L
H
L
L
BA
L
V,CA
Write (BC4, OTF)
WRS4
H
H
L
H
L
L
BA
L
L,CA
Write (BL8,OTF)
WRS8
H
H
L
H
L
L
BA
L
H,CA
Write with Auto Pre-
charge (fixed BL8/BC4)
WRA
H
H
L
H
L
L
BA
H
V,CA
Write with Auto Pre-
charge (BC4, OTF)
WRAS
4
H
H
L
H
L
L
BA
H
L,CA
Write with Auto Pre-
charge (BL8, OTF)
WRAS
8
H
H
L
H
L
L
BA
H
H,CA
Bank Activate
ACT
H
H
L
L
H
H
BA
RA
Pre-charge Single Bank
PRE
H
H
L
L
H
L
BA
L
V,V
Pre-charge All Banks
PREA
H
H
L
L
H
L
V
H
V,V
Mode Register Set
MRS
H
H
L
L
L
L
BA
OP Code
Refresh
REF
H
H
L
L
L
H
V
V
V,V
Self Refresh entry
SRE
H
L
L
L
L
H
V
V
V,V
H
X
X
X
X
X
X,X
Self Refresh Exit
SRX
L
H
L
H
H
H
V
V
V,V
H
L
H
X
X
X
X
X
X,X
Power Down Entry
PDE
H
L
L
H
H
H
V
V
V,V
L
H
H
X
X
X
X
X
X,X
Power Down Exit
PDX
L
H
L
H
H
H
V
V
V,V
ZQ Calibration Long
ZQCL
H
H
L
H
H
L
X
H
X,X
ZQ Calibration Short
ZQCS
H
H
L
H
H
L
X
L
X,X
H = High level, L = Low level, X = Don't care, V = Valid, BA=Bank Address, CA=Column Address, RA=Row Address



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