W9725G6IB-25 Winbond Electronics, W9725G6IB-25 Datasheet - Page 34
W9725G6IB-25
Manufacturer Part Number
W9725G6IB-25
Description
IC DDR2-800 SDRAM 256MB 84-WBGA
Manufacturer
Winbond Electronics
Datasheet
1.W9725G6IB-25.pdf
(84 pages)
Specifications of W9725G6IB-25
Format - Memory
RAM
Memory Type
DDR2 SDRAM
Memory Size
256M (16Mx16)
Speed
2.5ns
Interface
Parallel
Voltage - Supply
1.7 V ~ 1.9 V
Operating Temperature
0°C ~ 85°C
Package / Case
84-WBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
W9725G6IB-25
Manufacturer:
Winbond Electronics
Quantity:
10 000
Function Truth Table, continued
Read with
Auto-
precharge
Write with
Auto-
precharge
Precharge
CURRENT
Activating
STATE
Row
CS
H
H
H
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
RAS
X
H
H
H
X
H
H
H
X
H
H
H
X
H
H
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
CAS
X
H
H
H
X
H
H
H
X
H
H
H
X
H
H
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
WE
X
H
H
H
H
X
H
H
H
H
X
H
H
H
H
X
H
H
H
H
L
L
L
L
L
L
L
L
L
L
L
L
BA, CA, A10
BA, CA, A10
BA, RA
BA, A10
Op-Code
BA, CA, A10
BA, CA, A10
BA, RA
BA, A10
Op-Code
BA, CA, A10
BA, CA, A10
BA, RA
BA, A10
Op-Code
BA, CA, A10
BA, CA, A10
BA, RA
BA, A10
Op-Code
ADDRESS
X
X
X
X
X
X
X
X
X
X
X
X
- 34 -
DSL
NOP
READ/READA
WRIT/WRITA
ACT
PRE/PREA
AREF/SELF
MRS/EMRS
DSL
NOP
READ/READA
WRIT/WRITA
ACT
PRE/PREA
AREF/SELF
MRS/EMRS
DSL
NOP
READ/READA
WRIT/WRITA
ACT
PRE/PREA
AREF/SELF
MRS/EMRS
DSL
NOP
READ/READA
WRIT/WRITA
ACT
PRE/PREA
AREF/SELF
MRS/EMRS
COMMAND
Publication Release Date: Oct. 23, 2009
NOP-> Row active after t
NOP-> Row active after t
Continue burst to end
Continue burst to end
Continue burst to end
Continue burst to end
NOP-> Idle after t
NOP-> Idle after t
NOP-> Idle after t
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ACTION
W9725G6IB
RP
RP
RP
RCD
RCD
Revision A04
NOTES
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1
1
1
1
1
1
1
1
1
1
1
1
1
1
1