Datasheet

Datasheet 63
Intel
®
Celeron
®
Processor up to 1.10 GHz
NOTES:
1. PICCLK period is 30 ns.
2. Measurements taken at the processor socket pins on the solder-side of the motherboard.
Table 39. 33 MHz CMOS Signal Group Overshoot/Undershoot Tolerance at Processor Pins
(FC-PGA/FC-PGA2 Packages)
Overshoot/
Undershoot
Magnitude
Maximum Pulse Duration at Tj = 80 °C
(ns)
Maximum Pulse Duration at Tj = 90 °C
(ns)
AF = 0.01 AF = 0.1 AF = 1 AF = 0.01 AF = 0.1 AF = 1
2.18 V 60 7.6 0.76 36 3.6 0.36
2.13 V 60 14.8 1.48 60 6.4 0.64
2.08 V 60 27.2 2.7 60 12.8 1.2
2.03 V 60 50 5 60 24 2.2
1.98 V 60 60 9.1 60 44 4
1.93 V 60 60 16.4 60 60 7.6
1.88 V 60 60 30 60 60 13.6
Figure 15. Maximum Acceptable AGTL+ Overshoot/Undershoot Waveform
(FC-PGA/FC-PGA2 Packages)
Vss
Undershoot
Magnitude
= V
TT
- Signal
Overshoot
Magnitude
= Signal - Vss
V
TT
2.18V
2.08V
1.98V
1.88V
1.635V
Max
Overshoot
Magnitude
Time Dependent
Overshoot
Converted Undershoot
Waveform
Undershoot
Magnitude
Time Dependent
Undershoot