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
Datasheet 45
NOTES:
1. These specifications are measured at the processor silicon.
2. BCLK period is 10 ns.
3. AF is referenced to associated source synchronous strobes.
NOTES:
1. These specifications are measured at the processor silicon.
2. BCLK period is 10 ns.
3. AF is referenced to BCLK[1:0].
Table 23. Source Synchronous (200 MHz) AGTL+ Signal Group 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
1,2,3
2.30 -0.585 0.12 1.2 10.0
2.25 -0.535 0.22 2.2 10.0
2.20 -0.485 0.44 4.4 10.0
2.15 -0.435 0.82 8.2 10.0
2.10 -0.385 1.5 10.0 10.0
2.05 -0.335 2.7 10.0 10.0
2.00 -0.285 5.0 10.0 10.0
1.95 -0.235 9.4 10.0 10.0
1.90 -0.185 10.0 10.0 10.0
1.85 -0.135 10.0 10.0 10.0
1.80 -0.085 10.0 10.0 10.0
Table 24. Common Clock (100 MHz) AGTL+ Signal Group 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
1,2,3
2.30 -0.585 0.24 2.4 20.0
2.25 -0.535 0.44 4.4 20.0
2.20 -0.485 0.88 8.8 20.0
2.15 -0.435 1.64 16.4 20.0
2.10 -0.385 3.0 20.0 20.0
2.05 -0.335 5.4 20.0 20.0
2.00 -0.285 10.0 20.0 20.0
1.95 -0.235 18.8 20.0 20.0
1.90 -0.185 20.0 20.0 20.0
1.85 -0.135 20.0 20.0 20.0
1.80 -0.085 20.0 20.0 20.0