EP80579 Datasheet, PDF (1843/1916 Pages) Intel Corporation – Intel® EP80579 Integrated Processor Product Line

Intel^® EP80579 Integrated Processor
49.5.2.3.1 DDR2 AC Timing Diagrams
Figure 49-4. DQ and CB (ECC) Setup/Hold Relationship to/from DQS (Read Operation)
DQSn
observed at pins
DQSp
observed at pins
tSU_DQS
DQ, CB
observed at pins
tSU_DQS
DQSn
delayed internally
DQSp
delayed internally
tHD_DQS
DQS Delay
(90 deg. nom.)
tHD_DQS
B6554-01
Figure 49-5. DQ and CB (ECC) Valid Before and After DQS (Write Operation)
DQSn
DQSp
tDVB tDVA
tDVB
tDVA
0.5xVCC
Valid Data
DQ, CB
Valid Data
Valid Data
Valid Data
B6555-01
August 2009
Order Number: 320066-003US
Intel^® EP80579 Integrated Processor Product Line Datasheet
1843