Differential Clock Waveform; Measurement Points For Differential Clock Waveforms - Intel Q9300 - Core 2 Quad 2.5 GHz 6M L2 Cache 1333MHz FSB LGA775 Quad-Core Processor Datasheet

.
Figure 2-3.

Differential Clock Waveform

Threshold
Region
Figure 2-4.

Measurement Points for Differential Clock Waveforms

+150 mV
0.0V
-150 mV
Diff
34
Tph
BCLK1
V )
CROSS (ABS
BCLK0
Tp = T1: BCLK[1:0] period
T2: BCLK[1:0] period stability (not shown)
Tph = T3: BCLK[1:0] pulse high time
Tpl = T4: BCLK[1:0] pulse low time
T5: BCLK[1:0] rise time through the threshold region
T6: BCLK[1:0] fall time through the threshold region
Slew_rise
T5 = BCLK[1:0] rise and fall time through the swing region
§
Ringback
V )
Margin
CROSS (ABS
Tpl
Tp
V_swing
Electrical Specifications
Overshoot
VH
Rising Edge
Ringback
Falling Edge
Ringback
VL
Undershoot
Slew _fall
+150mV
0.0V
-150mV
Datasheet