参数资料
型号: DDRSDRAM
厂商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: DDR SDRAM Specification Version 0.61
中文描述: DDR SDRAM的规格版本0.61
文件页数: 49/49页
文件大小: 750K
代理商: DDRSDRAM
- 49 of 63 -
REV. 0.61 August 9. '99
128Mb DDR SDRAM
Target
QFC timming on Write operation with tDQSSmax
QFC on writes is enabled as soon as possible after the clock edge of write command and disabled as soon
as possible after the last DQS-in low going edge.
2
0
1
5
3
4
6
7
Hi-Z
DQS@tDQSSmax
QFC
t
QCSW
t
QCHW
Dout 0Dout 1
BL = 2
Write
DQ’S@tDQSSmax
Command
CK
CK
QFC Timming on Write operation with tDQSSmin
DQS@tDQSSmin
DQ’S@tDQSSmin
QFC on writes is enabled as soon as possible after the clock edge of write command and disabled
as soon as possible after the last DQS-in low going edge.
2
0
1
5
3
4
6
7
Hi-Z
QFC
t
QCSW
t
QCHW
Dout 0 Dout 1
BL = 2
Write
Command
CK
CK
Figure 27. : QFC timing on write operation with tDQSSmax
Figure 28. : QFC timing on write operation with tDQSSmax
相关PDF资料
PDF描述
DDTA113TCA-7-F PNP PRE-BIASED SMALL SIGNAL SOT-23 SURFACE MOUNT TRANSISTOR
DDTA114TCA-7-F PNP PRE-BIASED SMALL SIGNAL SOT-23 SURFACE MOUNT TRANSISTOR
DDTA115TCA-7-F PNP PRE-BIASED SMALL SIGNAL SOT-23 SURFACE MOUNT TRANSISTOR
DDTA123TCA-7-F PNP PRE-BIASED SMALL SIGNAL SOT-23 SURFACE MOUNT TRANSISTOR
DDTA124TCA-7-F PNP PRE-BIASED SMALL SIGNAL SOT-23 SURFACE MOUNT TRANSISTOR
相关代理商/技术参数
参数描述
DDRSDRAM1111 制造商:SAMSUNG 制造商全称:Samsung semiconductor 功能描述:DDR SDRAM Specification Version 1.0
DDR-SJE-Q2 制造商:DOMINANT 制造商全称:DOMINANT Semiconductors 功能描述:LED Colored Resin
DDR-SJE-Q2R-1 制造商:DOMINANT 制造商全称:DOMINANT Semiconductors 功能描述:LED Colored Resin
DDR-SJE-R1 制造商:DOMINANT 制造商全称:DOMINANT Semiconductors 功能描述:LED Colored Resin
DDR-SJE-R2 制造商:DOMINANT 制造商全称:DOMINANT Semiconductors 功能描述:LED Colored Resin