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

System Bus Signal Quality Specifications
46 Datasheet
NOTES:
1. These specifications are specified at the processor silicon.
2. This table assumes a 33MHz time domain.
Table 25. Asynchronous GTL+, PWRGOOD and TAP Signal Groups Overshoot/Undershoot
Tolerance
Absolute
Maximum
Overshoot
(V)
Absolute
Maximum
Undershoot
(V)
Pulse
Duration (ns)
AF = 1
Pulse
Duration (ns)
AF = 0.1
Pulse
Duration (ns)
AF = 0.01
Notes
1,2
2.30 -0.585 0.72 7.2 60.0
2.25 -0.535 1.32 13.2 60.0
2.20 -0.485 2.64 26.4 60.0
2.15 -0.435 4.92 49.2 60.0
2.10 -0.385 9.0 60.0 60.0
2.05 -0.335 16.2 60.0 60.0
2.00 -0.285 30.0 60.0 60.0
1.95 -0.235 56.4 60.0 60.0
1.90 -0.185 60.0 60.0 60.0
1.85 -0.135 60.0 60.0 60.0
1.80 -0.085 60.0 60.0 60.0
Figure 21. Maximum Acceptable Overshoot/Undershoot Waveform
V
CC
Maximum
Absolute
Overshoot
Maximum
Absolute
Undershoot
Time-de
p
endent
Overshoot
Time-de
p
endent
Undershoot
GTLREF
V
OL
V
MIN
V
MAX
V
SS