Intel E7520 AT80604004887AA User Manual
Product codes
AT80604004887AA
Intel® Xeon® Processor 7500 Datasheet, Volume 1
53
Electrical Specifications
Figure 2-20. Intel® QPI System Interface Electrical Test Setup for Validating
TX + Worst-Case Interconnect Specifications
Figure 2-21. Differential Clock Waveform
S ilic o n
T x b it
( D a t a )
T x b it
( D a t a )
W o r s t - C a s e I n t e r c o n n e c t
I d e a l
L o a d s
L o a d s
T x
P a c k a g e
P a c k a g e
S ilic o n
T x b it
( C lo c k )
T x b it
( C lo c k )
I d e a l
L o a d s
L o a d s
L o s s le s s I n t e r c o n n e c t P h a s e
M a t c h e d t o D a t a B it I n t e r c o n n e c t
Crossing
Voltage
Threshold
Region
VH
VL
Overshoot
Undershoot
Ringback
Margin
Rising Edge
Ringback
Falling Edge
Ringback,
BCLK0
BCLK1
Crossing
Voltage
Tp
Tp = T1: BCLK[1:0] period