參數(shù)資料
型號(hào)： K4H1G0438M-UC2
廠商： SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述： 0603 18 OHM 1/16W
中文描述： 1Gb的的M -模與鉛DDR SDRAM的規(guī)格66 TSOP-II免費(fèi)（符合RoHS）
文件頁數(shù)： 52/53頁
文件大小： 669K
代理商： K4H1G0438M-UC2
- 52 -
REV. 1.0 November. 2. 2000
128Mb DDR SDRAM
QFC timing on Write operation
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
*1
t
QCHW min.
Dout 0Dout 1
BL = 2
Write
DQ’S@tDQSSmax
Command
CK
CK
DQS@tDQSSmin
DQ’S@tDQSSmin
2
0
1
5
3
4
6
7
Hi-Z
QFC
t
QCSW
*1
t
QCHW min.
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 tDQSSmin
*2
t
QCHW max.
*2
t
QCHW max.
1. The value of tQCSW min. is 1.25ns from the last low going data strobe edge to QFC tri-state.
2. The value of tQCSW max. is 0.5tcK from the first high going clock edge after the last low going data strobe
edge to QFC tri-state.
相關(guān)PDF資料
PDF描述
K4H1G0438M-UC3 1Gb M-die DDR SDRAM Specification 66 TSOP-II with Pb-Free (RoHS compliant)
K4H1G0438M-UCA2 1Gb M-die DDR SDRAM Specification 66 TSOP-II with Pb-Free (RoHS compliant)
K4H1G0438M-UCB0 1Gb M-die DDR SDRAM Specification 66 TSOP-II with Pb-Free (RoHS compliant)
K4H1G0438M-UCB3 1Gb M-die DDR SDRAM Specification 66 TSOP-II with Pb-Free (RoHS compliant)
K4H1G0438M-ULA2 1Gb M-die DDR SDRAM Specification 66 TSOP-II with Pb-Free (RoHS compliant)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
K4H1G0438M-UC3 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:1Gb M-die DDR SDRAM Specification 66 TSOP-II with Pb-Free (RoHS compliant)
K4H1G0438M-UCA2 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:1Gb M-die DDR SDRAM Specification 66 TSOP-II with Pb-Free (RoHS compliant)
K4H1G0438M-UCB0 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:1Gb M-die DDR SDRAM Specification 66 TSOP-II with Pb-Free (RoHS compliant)
K4H1G0438M-UCB3 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:1Gb M-die DDR SDRAM Specification 66 TSOP-II with Pb-Free (RoHS compliant)
K4H1G0438M-ULA2 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:1Gb M-die DDR SDRAM Specification 66 TSOP-II with Pb-Free (RoHS compliant)
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。

采購需求

(若只采購一條型號(hào)，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購

我的聯(lián)系方式

*
*
*