参数资料
型号: W631GG6KB-15
厂商: Winbond Electronics
文件页数: 46/159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
8.13.2.2 READ Timing; Data Strobe to Data relationship
The Data Strobe to Data relationship is shown in Figure 25 and is applied when the DLL is enabled
and locked.
Rising data strobe edge parameters:
?
?
t DQSQ describes the latest valid transition of the associated DQ pins.
t QH describes the earliest invalid transition of the associated DQ pins.
Falling data strobe edge parameters:
?
?
t DQSQ describes the latest valid transition of the associated DQ pins.
t QH describes the earliest invalid transition of the associated DQ pins.
t DQSQ ; both rising/falling edges of DQS, no t AC defined.
T0
T1
T2
T3
T4
T5
T6
T7
T8
T9
T10
CK#
CK
Command* 3
READ
NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
RL = AL + CL
Address* 4
Bank
Col n
DQS, DQS#
t DQSQ (max)
t DQSQ (max)
t RPST
t RPRE
t QH
t QH
DQ* 2 (Last data valid)
DQ* 2 (first data no longer valid)
All DQs collectively
Dout
n
Dout
n
Dout
n
Dout
n+1
Dout
n+1
Dout
n+1
Dout
n+2
Dout
n+2
Dout
n+2
Dout
n+3
Dout
n+3
Dout
n+3
Dout
n+4
Dout
n+4
Dout
n+4
Dout
n+5
Dout
n+5
Dout
n+5
Dout
n+6
Dout
n+6
Dout
n+6
Dout
n+7
Dout
n+7
Dout
n+7
TRANSITIONING DATA
DON'T CARE
Notes:
1. BL = 8, RL = 6 (AL = 0, CL = 6).
2. Dout n = data-out from column n.
3. NOP commands are shown for ease of illustration; other commands may be valid at these times.
4. BL8 setting activated by either MR0 A[1:0] = 00 or MR0 A[1:0] = 01 and A12 = 1 during READ command at T0.
5. Output timings are referenced to V DDQ /2, and DLL on for locking.
6. t DQSQ defines the skew between DQS, DQS# to Data and does not define DQS, DQS# to Clock.
7. Early Data transitions may not always happen at the same DQ. Data transitions of a DQ can vary (either early or late) within
a burst.
Figure 25 – Data Strobe to Data Relationship
Publication Release Date: Dec. 09, 2013
Revision A05
- 46 -
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