参数资料
型号: W631GG6KB-15
厂商: Winbond Electronics
文件页数: 44/159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 READ Timing Definitions
Read timing is shown in Figure 23 and is applied when the DLL is enabled and locked.
Rising data strobe edge parameters:
?
?
?
?
?
t DQSCK min/max describes the allowed range for a rising data strobe edge relative to CK, CK#.
t DQSCK is the actual position of a rising strobe edge relative to CK, CK#.
t QSH describes the DQS, DQS# differential output high time.
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 QSL describes the DQS, DQS# differential output low time.
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.
CK#
CK
t DQSCK(min)
t DQSCK(min)
DQS#
DQS
t DQSCK(max)
Rising Strobe
Region
t DQSCK
t QSH
t QH
t DQSQ
t DQSCK(max)
Rising Strobe
Region
t DQSCK
t QSL
t QH
t DQSQ
Associated
DQ Pins
Figure 23 – READ Timing Definition
Publication Release Date: Dec. 09, 2013
Revision A05
- 44 -
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