Intel Core2 Extreme Processor X6800 and Intel Core2 Duo Desktop Processor E6000 and E4000 Sequences Datasheet

Electrical Specifications
30 Datasheet
2.7.7 Phase Lock Loop (PLL) and Filter
An on-die PLL filter solution will be implemented on the processor. The VCCPLL input is
used for the PLL. Refer to Table 5 for DC specifications.
2.7.8 BCLK[1:0] Specifications (CK505 based Platforms)
Table 16. BSEL[2:0] Frequency Table for BCLK[1:0]
BSEL2 BSEL1 BSEL0 FSB Frequency
L L L 266 MHz
LL HRESERVED
LH HRESERVED
L H L 200 MHz
HH LRESERVED
HH HRESERVED
HL HRESERVED
H L L 333 MHz
Table 17. 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 3
2
2. "Steady state" voltage, not including overshoot or undershoot.
V
H
Input High Voltage N/A N/A 1.15 V 3
2
V
CROSS(abs)
Absolute Crossing Point 0.300 N/A 0.550 V 3, 4
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 3, 4
4
V
OS
Overshoot N/A N/A 1.4 V 3
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 3
6
V
SWING
Differential Output Swing 0.300 N/A N/A V 5
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.