Intel Pentium 4 Processor in the 478-PinPackage at 1.40 GHz, 1.50 GHz, 1.60 GHz, 1.70 GHz, 1.80 GHz, 1.90 GHz, and 2GHz

Electrical Specifications
30 Datasheet
Figure 4. AC Test Circuit
Figure 5. TCK Clock Waveform
600 mils, 42 ohms, 169 ps/in
2.4nH
1.2pF
V
CC
V
CC
Rload
Rload = 50 ohms
AC Timings test measurements made here.
*V2
*V3
*V1
T
r
T
p
T
f
CLK
T
r
= T56, T58 (Rise Time)
T
f
= T57, T59 (Fall Time)
T
p
= T55 (Period)
V3: TCK is referenced to 0.5 * Vcc.
V1, V2: For rise and fall times, TCK is measured between 20% to 80% points on the waveform.