Electrical Specifications
Figure 2-5. Differential Clock Crosspoint Specification
650
600
550
500
550 mV
550 + 0.5 (VHavg - 700)
450
400
300 + 0.5 (VHavg - 700)
350
300
250
200
300 mV
660 670 680 690 700 710 720 730 740 750 760 770 780 790 800 810 820 830 840 850
VHavg (mV)
Figure 2-6. Differential Measurements
Slew_rise
Slew _fall
+150 mV
0.0V
+150mV
0.0V
V_swing
-150 mV
-150mV
Diff
2.7.9
BCLK[1:0] Specifications (CK410 based Platforms)
Table 2-19. Front Side Bus Differential BCLK Specifications
1
Symbol
Parameter
Min
Typ
Max
Unit
Figure
Notes
V
Input Low Voltage
Input High Voltage
-0.150
0.660
0.250
0.000
0.700
N/A
N/A
V
V
V
2-4
2-4
-
-
L
V
0.850
0.550
H
2,
3
V
Absolute Crossing
Point
2-4, 2-5
CROSS(abs)
4, 3, 5
-
V
Relative Crossing Point
0.250 +
N/A
N/A
0.550 +
V
V
2-4, 2-5
2-4, 2-5
CROSS(rel)
0.5(V
– 0.700)
0.5(V
– 0.700)
Havg
Havg
ΔV
Range of Crossing
Points
N/A
0.140
+ 0.3
CROSS
6
7
8
9
V
V
Overshoot
N/A
N/A
N/A
N/A
N/A
V
V
V
V
V
2-4
2-4
2-4
2-4
OS
H
Undershoot
-0.300
0.200
N/A
N/A
+ 0.100
US
V
Ringback Margin
Threshold Region
RBM
V
V
– 0.100
V
CROSS
TM
CROSS
32
Dual-Core Intel® Xeon® Processor 3000 Series Datasheet
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