Intel L3426 BV80605004737AA Data Sheet

Product codes
BV80605004737AA
Page of 102
Electrical Specifications
32
Dual-Core Intel® Xeon® Processor 3000 Series Datasheet
2.7.9
BCLK[1:0] Specifications (CK410 based Platforms)
Figure 2-5. Differential Clock Crosspoint Specification
Figure 2-6. Differential Measurements
660 670 680 690 700 710 720 730 740 750 760 770 780 790 800 810 820 830 840 850
200
250
300
350
400
450
500
550
600
650
VHavg (mV)
Cr
os
sing
 Poin
(m
V)
550 mV
300 mV
300 + 0.5 (VHavg - 700)
550 + 0.5 (VHavg - 700)
 
+150 mV
-150 mV
0.0V
0.0V
Slew_rise
+150mV
- 150mV
V_swing
Slew _fall
Diff
Table 2-19. Front Side Bus Differential BCLK Specifications
Symbol
Parameter
Min
Typ
Max
Unit
Figure
Notes
1
V
L
Input Low Voltage
-0.150
0.000
N/A
V
-
V
H
Input High Voltage
0.660
0.700
0.850
V
-
V
CROSS(abs)
Absolute Crossing 
Point
0.250
N/A
0.550
V
2, 3
V
CROSS(rel)
Relative Crossing Point
0.250 + 
0.5(V
Havg
 – 0.700)
N/A
0.550 + 
0.5(V
Havg
 – 0.700)
V
4, 
, 5
 ΔV
CROSS
Range of Crossing 
Points
N/A
N/A
0.140
V
-
V
OS
Overshoot
N/A
N/A
V
+ 0.3
V
6
V
US
Undershoot
-0.300 N/A
N/A
V
7
V
RBM
Ringback Margin
0.200
N/A
N/A
V
8
V
TM
Threshold Region
V
CROSS
 – 0.100
N/A
V
CROSS
 + 0.100
V
9