80546KF Datasheet, PDF (60/138 Pages) Intel Corporation – 64-bit Intel Xeon Processor MP with up to 8MB L3 Cache

Front Side Bus Signal Quality Specifications
Table 3-6. GTL+ Asynchronous, PWRGOOD, TAP Signals Over/Undershoot Tolerance
Absolute Maximum
Overshoot (V)
1.55
1.50
1.45
1.40
1.35
1.30
Absolute Maximum
Undershoot (V)
-0.35
-0.30
-0.25
-0.20
-0.15
-0.10
Pulse Duration (ns)
AF = 1
0.4
1.3
3.4
9.3
25.0
30.0
Pulse Duration (ns)
AF = 0.1
4.7
12.8
30.0
30.0
30.0
30.0
NOTES:
1. These specifications are measured at the processor pad.
2. AF is referenced to a 33 MHz time domain.
Figure 3-5. Maximum Acceptable Overshoot/Undershoot Waveform
V_MAX
V_TT
Time-dependent
Overshoot
GTLREF
V
OL
V
SS
V
MIN
Maximum
Absolute
Undershoot
Maximum
Absolute
Overshoot
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64-bit Intel^® Xeon™ Processor MP with up to 8MB L3 Cache Datasheet