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KM44H16030AT-FZ View Datasheet(PDF) - Samsung

Part NameDescriptionManufacturer
KM44H16030AT-FZ 128Mb DDR SDRAM Samsung
Samsung Samsung
KM44H16030AT-FZ Datasheet PDF : 49 Pages
First Prev 41 42 43 44 45 46 47 48 49
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.
BL = 2
0
1
2
3
4
5
6
7
8
CK
CK
Command
DQS@tDQSSmax
Write
DQS’ @tDQSSmax
QFC
Hi-Z tQCSW
Dout 0 Dout 1
tQCHW
Figure 27. : QFC timing on write operation with tDQSSmax
QFC Timming on Write operation with 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.
BL = 2
CK
0
1
2
3
4
5
6
7
8
CK
Command
DQS@tDQSSmin
Write
DQS’ @tDQSSmin
QFC
Dout 0 Dout 1
Hi-Z tQCSW
tQCHW
Figure 28. : QFC timing on write operation with tDQSSmax
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REV. 0.61 August 9. '99
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