W9751G6IB-25 Winbond Electronics, W9751G6IB-25 Datasheet - Page 35

• Manufacturer Part Number: W9751G6IB-25
• Description: IC DDR2-800 SDRAM 512MB 84-WBGA
• Manufacturer: Winbond Electronics

Specifications of W9751G6IB-25

• Format - Memory: RAM
• Memory Type: DDR2 SDRAM
• Memory Size: 512M (32Mx16)
• 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

Function Truth Table, continued
Notes:
1. This command may be issued for other banks, depending on the state of the banks.
2. All banks must be in "IDLE".
3. Read or Write burst interruption is prohibited for burst length of 4 and only allowed for burst length of 8. Burst read/write can
Remark: H = High level, L = Low level, X = High or Low level (Don’t Care), V = Valid data.
Recovering
Recovering
CURRENT
Refreshing
with Auto-
precharge
Accessing
only be interrupted by another read/write with 4 bit burst boundary. Any other case of read/write interrupt is not allowed.
Register
STATE
Mode
Write
Write
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
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
X
L
L
L
X
L
L
L
X
L
L
L
X
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
- 35 -
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-> Bank active after t
NOP-> Bank active after t
NOP-> Precharge after t
NOP-> Precharge after t
NOP-> Idle after t
NOP-> Idle after t
NOP-> Idle after t
NOP-> Idle after t
New write
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ACTION
W9751G6IB
MRD
MRD
RC
RC
WR
WR
WR
WR
Revision A06
NOTES
1
1
1
1
1
1
1