参数资料
型号: W9725G6KB-25I
厂商: Winbond Electronics
文件页数: 34/87页
文件大小: 0K
描述: IC DDR2 SDRAM 256MBIT 84WBGA
标准包装: 209
格式 - 存储器: RAM
存储器类型: DDR2 SDRAM
存储容量: 256M(16Mx16)
速度: 2.5ns
接口: 并联
电源电压: 1.7 V ~ 1.9 V
工作温度: -40°C ~ 95°C
封装/外壳: 84-TFBGA
供应商设备封装: 84-WBGA(8x12.5)
包装: *
其它名称: Q7118748
W9725G6KB
Function Truth Table, continued
CURRENT
STATE
Read with
Auto-
precharge
Write with
Auto-
precharge
Precharge
Row
Activating
CS
H
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
RAS
X
H
H
H
L
L
L
L
X
H
H
H
L
L
L
L
X
H
H
H
L
L
L
L
X
H
H
H
L
L
L
L
CAS
X
H
L
L
H
H
L
L
X
H
L
L
H
H
L
L
X
H
L
L
H
H
L
L
X
H
L
L
H
H
L
L
WE
X
H
H
L
H
L
H
L
X
H
H
L
H
L
H
L
X
H
H
L
H
L
H
L
X
H
H
L
H
L
H
L
ADDRESS
X
X
BA, CA, A10
BA, CA, A10
BA, RA
BA, A10
X
Op-Code
X
X
BA, CA, A10
BA, CA, A10
BA, RA
BA, A10
X
Op-Code
X
X
BA, CA, A10
BA, CA, A10
BA, RA
BA, A10
X
Op-Code
X
X
BA, CA, A10
BA, CA, A10
BA, RA
BA, A10
X
Op-Code
COMMAND
DSL
NOP
READ/READA
WRIT/WRITA
ACT
PRE/PREA
REF/SELF
MRS/EMRS
DSL
NOP
READ/READA
WRIT/WRITA
ACT
PRE/PREA
REF/SELF
MRS/EMRS
DSL
NOP
READ/READA
WRIT/WRITA
ACT
PRE/PREA
REF/SELF
MRS/EMRS
DSL
NOP
READ/READA
WRIT/WRITA
ACT
PRE/PREA
REF/SELF
MRS/EMRS
ACTION
Continue burst to end
Continue burst to end
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
Continue burst to end
Continue burst to end
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
NOP-> Idle after t RP
NOP-> Idle after t RP
ILLEGAL
ILLEGAL
ILLEGAL
NOP-> Idle after t RP
ILLEGAL
ILLEGAL
NOP-> Row active after t RCD
NOP-> Row active after t RCD
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
NOTES
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Publication Release Date: Sep. 03, 2012
- 34 -
Revision A03
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