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H57V2562GFR-75C 数据表(PDF) 14 Page - Hynix Semiconductor

部件名 H57V2562GFR-75C
功能描述  256Mb Synchronous DRAM based on 4M x 4Bank x16 I/O
Download  23 Pages
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制造商  HYNIX [Hynix Semiconductor]
网页  http://www.skhynix.com/kor/main.do
标志 HYNIX - Hynix Semiconductor

H57V2562GFR-75C 数据表(HTML) 14 Page - Hynix Semiconductor

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Rev 1.0 / Aug. 2009
14
111
Synchronous DRAM Memory 256Mbit
H57V2562GFR Series
COMMAND TRUTH TABLE
Note : 1. Exiting Self Refresh occurs by asynchronously bringing CKE from low to high.
2. see to Next page (DQM TRUTH TABLE)
Function
CKEn-1
CKEn
CS
RAS
CAS
WE
DQM ADDR
A10
/AP
BA
Note
Mode Register Set
H
X
L
L
L
L
X
Op Code
No Operation
H
X
L
H
H
H
X
X
Device Deselect
H
X
H
X
X
X
X
X
Bank Active
H
X
L
L
H
H
X
Row Address
V
Read
H
X
L
H
L
H
Col-
umn
L
V
Read with Autoprecharge
H
X
L
H
L
H
X
Col-
umn
H
V
Write
H
X
L
H
L
L
X
Col-
umn
L
V
Write with Autoprecharge
H
X
L
H
L
L
X
Col-
umn
H
V
Precharge All Banks
H
X
L
L
H
L
X
X
H
X
Precharge selected Bank
H
X
L
L
H
L
X
X
L
V
Burst stop
H
X
L
H
H
L
X
X
DQM
H
X
X
V
X
2
Auto Refresh
H
H
L
L
L
H
X
X
Burst-Read Single-Write
H
X
L
L
L
H
X
A9 Pin High
(Other Pins OP code)
Self Refresh Entry
H
L
L
L
L
H
X
X
Self Refresh Exit
L
H
HX
X
X
XX
1
LH
H
H
Precharge Power Down
Entry
HL
HX
X
X
XX
LH
H
H
Precharge Power Down Exit
L
H
HX
X
X
XX
LH
H
H
Clock Suspend Entry
H
L
HX
X
X
XX
LV
V
V
Clock Suspend Exit
L
H
X
X
X


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