User Manual

Table Of Contents
System Bus Signal Quality Specifications
Mobile Intel
Pentium
4 Processor-M Datasheet 59
NOTES:
1. These specifications are measured at the processor core silicon.
2. BCLK period is 10 ns.
Table 33. Asynchronous GTL+, PWRGOOD Input, 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
1.700 -0.400 1.26 12.6 60.00
1.650 -0.350 2.88 28.8 60.00
1.600 -0.300 6.30 60.00 60.00
1.550 -0.250 14.28 60.00 60.00
1.500 -0.200 60.00 60.00 60.00
1.450 -0.150 60.00 60.00 60.00
1.400 -0.100 60.00 60.00 60.00
1.350 -0.050 60.00 60.00 60.00
Figure 30. Maximum Acceptable Overshoot/Undershoot Waveform
V
CC
Maximum
A
bsolute
Overshoot
Maximum
A
bsolute
Undershoot
Time-de
p
endent
Overshoot
Time-de
p
endent
Undershoot
GTLREF
V
OL
V
MIN
V
MAX
V
SS