Intel X3350 AT80569KJ067N Data Sheet
Product codes
AT80569KJ067N
Dual-Core Intel® Xeon® Processor 3000 Series Datasheet
31
Electrical Specifications
2.7.8
BCLK[1:0] Specifications (CK505 based Platforms)
Table 2-18. Front Side Bus Differential BCLK Specifications
Symbol
Parameter
Min
Typ
Max
Unit
Figure
Notes
1
Notes:
1. Unless otherwise noted, all specifications in this table apply to all processor frequencies.
V
L
Input Low Voltage
-0.30
N/A
N/A
V
2
2. "Steady state" voltage, not including overshoot or undershoot.
V
H
Input High Voltage
N/A
N/A
1.15
V
V
CROSS(abs)
Absolute Crossing Point
0.300
N/A
0.550
V
3, 4, 5
3. Crossing voltage is defined as the instantaneous voltage value when the rising edge of BCLK0 equals the falling
edge of BCLK1.
4. V
Havg
is the statistical average of the V
H
measured by the oscilloscope.
5. The crossing point must meet the absolute and relative crossing point specifications simultaneously.
ΔV
CROSS
Range of Crossing Points
N/A
N/A
0.140
V
V
OS
Overshoot
N/A
N/A
1.4
V
6
6. Overshoot is defined as the absolute value of the maximum voltage. Undershoot is defined as the absolute
value of the minimum voltage.
V
US
Undershoot
-0.300 N/A
N/A
V
V
SWING
Differential Output Swing
0.300
N/A
N/A
V
7
7. Measurement taken from differential waveform.
I
LI
Input Leakage Current
-5
N/A
5
μA
Cpad
Pad Capacitance
.95
1.2
1.45
pF
8
8. Cpad includes die capacitance only. No package parasitics are included.
Figure 2-4. Differential Clock Waveform
High Time
Period
V
CROSS
CLK 1
CLK 0
Low Time
V
CROSS
Min
300 mV
V
CROSS
Max
550 mV
median
V
CROSS
median
V
CROSS
Median + 75 mV
Median - 75 mV
V
CROSS