Intel Celeron 360 HH80552RE099512 User Manual

Product codes
HH80552RE099512
Page of 95
Electrical Specifications
32
Datasheet
2.7.4
BCLK[1:0] Specifications
§ §
Table 19.
Front Side Bus Differential BCLK Specifications
Symbol
Parameter
Min
Typ
Max
Unit Notes
1
NOTES:
1. Unless otherwise noted, all specifications in this table apply to all processor frequencies.
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
2. Crossing voltage is defined as the instantaneous voltage value when the rising edge of BCLK0
equals the falling edge of BCLK1. 
3. The crossing point must meet the absolute and relative crossing point specifications
simultaneously.
V
CROSS(rel)
Relative Crossing 
Point
0.250 + 
0.5(
V
H
AVG
 – 0.700)
N/A
0.550 + 
0.5(
V
H
AVG
 – 0.700)
V
4, 
3
, 5
4. V
Havg
 is the statistical average of the V
H
 measured by the oscilloscope.
5. V
Havg
 can be measured directly using “Vtop” on Agilent* oscilloscopes and “High” on Tektronix*
oscilloscopes.
 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
6. Overshoot is defined as the absolute value of the maximum voltage. 
V
US
Undershoot
-0.300 N/A
N/A
V
7
7. Undershoot is defined as the absolute value of the minimum voltage.
V
RBM
Ringback Margin
0.200
N/A
N/A
V
8
8. Ringback Margin is defined as the absolute voltage difference between the maximum Rising
Edge Ringback and the maximum Falling Edge Ringback.
V
TM
Threshold Region
V
CROSS
 – 0.100
N/A
V
CROSS
 + 0.100
V
9
9. Threshold Region is defined as a region entered around the crossing point voltage in which the
differential receiver switches. It includes input threshold hysteresis.