Lenovo LF80565QH0254M Datasheet Page 50

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Electrical Specifications
50 Document Number: 318080-002
Figure 2-18. FSB Source Synchronous 4X (Data) Timing Waveform
BCLK0
BCLK1
T
p
/4
T
p
/2 3T
p
/4
DSTBp# (@ driver)
D# (@ driver)
D# (@ receiver)
T
J
DSTBn# (@ driver)
DSTBp# (@ receiver)
DSTBn# (@ receiver)
T
E
T
G
T
E
T
G
T
A T
B
T
A
T
B
T
D
T
C
T
A
= T21: Source Sync. Data Output Valid Delay Before Data Strobe
T
B
= T22: Source Sync. Data Output Valid Delay After Data Strobe
T
C
= T28: Source Sync. Data Strobe Setup Time to BCLK
T
D
= T30: Data Strobe ‘n’ (DSTBN#) Output Valid Delay
T
E
= T25: Source Sync. Input Setup Time
T
G
= T26: Source Sync. Input Hold Time
T
J
= T20: Source Sync. Data Output Valid Delay
T
P
= T1: BCLK[1:0] Period
T0
T1 T2
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