Toshiba Xeon 2.8GHz UPG3843W Manuale Utente
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UPG3843W
Intel® Xeon™ Processor with 512 KB L2 Cache
28
Datasheet
NOTES:.
1. Unless otherwise noted, all specifications in this table apply to all processor frequencies.
2. Crossing voltage is defined as the instantaneous voltage value when the rising edge of BCLK0 equals the
2. Crossing voltage is defined as the instantaneous voltage value when the rising edge of BCLK0 equals the
falling edge of BCLK1.
3. V
Havg
is the statistical average of the V
H
measured by the oscilloscope.
Figure 4. Intel® Xeon™ Processor with 512 KB L2 Cache Voltage-Current (VID =
1.525V)
Table 7. Front Side Bus Differential BCLK Specifications
Symbol
Parameter
Min
Typ
Max
Unit
Figure
Notes
1
V
L
Input Low
Voltage
-.150
0.000
N/A
V
V
H
Input High
Voltage
0.660
0.710
0.850
V
V
CROSS(
abs)
Absolute
Crossing Point
0.250
N/A
0.550
V
2,8
V
CROSS(
rel)
Relative
Crossing Point
0.250 +
0.5(V
Havg
-
0.710)
N/A
0.550 +
0.5(V
Havg
-
0.710)
V
2,3,8,9
∆
V
CROS
S
Range of
Crossing Points
N/A
N/A
0.140
V
2,10
V
OV
Overshoot
N/A
N/A
V
H
+ 0.3
V
4
V
US
Undershoot
-0.300 N/A
N/A
V
5