参数资料
型号: W631GG6KB-15
厂商: Winbond Electronics
文件页数: 94/159页
文件大小: 0K
描述: IC DDR3 SDRAM 1GBIT 96WBGA
标准包装: 200
格式 - 存储器: RAM
存储器类型: DDR3 SDRAM
存储容量: 1G(64M x 16)
速度: 667MHz
接口: 并联
电源电压: 1.425 V ~ 1.575 V
工作温度: 0°C ~ 85°C
封装/外壳: 96-TFBGA
供应商设备封装: 96-WBGA(9x13)
包装: 托盘
W631GG6KB
9. OPERATION MODE
9.1
Command Truth Table
Notes 1, 2, 3 and 4 apply to the entire Command Truth Table.
Note 5 Applies to all Read/Write commands.
[BA=Bank Address, RA=Row Address, CA=Column Address, BC#=Burst Chop, X=Don't Care, V=Valid]
Table 14 – Command Truth Table
COMMAND
Mode Register Set
Abbr.
MRS
CKE
Previous
Cycle
H
Current
Cycle
H
CS#
L
RAS# CAS#
L
L
WE#
L
BA0-
BA2
BA
A12/
BC#
A10/
AP
OP Code
A0-
A9,
A11
NOTES
Refresh
REF
H
H
L
L
L
H
V
V
V
V
Self Refresh Entry
Self Refresh Exit
Single Bank Precharge
Precharge all Banks
SRE
SRX
PRE
PREA
H
L
H
H
L
H
H
H
L
H
L
L
L
L
X
H
L
L
L
X
H
H
H
H
X
H
L
L
V
X
V
BA
V
V
X
V
V
V
V
X
V
L
H
V
X
V
V
V
7, 9, 12
7, 8, 9,
12
Bank Activate
ACT
H
H
L
L
H
H
BA
Row Address (RA)
Write (Fixed BL8 or BC4)
Write (BC4, on the Fly)
Write (BL8, on the Fly)
Write with Auto Precharge
(Fixed BL8 or BC4)
Write with Auto Precharge
(BC4, on the Fly)
Write with Auto Precharge
(BL8, on the Fly)
Read (Fixed BL8 or BC4)
Read (BC4, on the Fly)
Read (BL8, on the Fly)
Read with Auto Precharge
(Fixed BL8 or BC4)
Read with Auto Precharge
(BC4, on the Fly)
Read with Auto Precharge
(BL8, on the Fly)
WR
WRS4
WRS8
WRA
WRAS4
WRAS8
RD
RDS4
RDS8
RDA
RDAS4
RDAS8
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
L
L
L
L
H
H
H
H
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
H
H
H
H
H
H
BA
BA
BA
BA
BA
BA
BA
BA
BA
BA
BA
BA
V
L
H
V
L
H
V
L
H
V
L
H
L
L
L
H
H
H
L
L
L
H
H
H
CA
CA
CA
CA
CA
CA
CA
CA
CA
CA
CA
CA
No Operation
Device Deselected
Power Down Entry
Power Down Exit
ZQ Calibration Long
ZQ Calibration Short
NOP
DES
PDE
PDX
ZQCL
ZQCS
H
H
H
L
H
H
H
H
L
H
H
H
L
H
L
H
L
H
L
L
H
X
H
X
H
X
H
H
H
X
H
X
H
X
H
H
H
X
H
X
H
X
L
L
V
X
V
X
V
X
X
X
V
X
V
X
V
X
X
X
V
X
V
X
V
X
H
L
V
X
V
X
V
X
X
X
10
11
6, 12
6, 12
Publication Release Date: Dec. 09, 2013
Revision A05
- 94 -
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