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Datasheet 27
Electrical Specifications
Table 2-15. Itanium
®
2 Processors (1.5 GHz/4 MB, 1.6 GHz) Source Synchronous AGTL+
Signal Group Time-Dependent Overshoot/Undershoot Tolerance for 400 MHz
System Bus
Absolute
Maximum (V)
Pulse Duration (ns)
Over-
shoot
Under-
shoot
AF = 1
1
NOTES:
1. Activity Factor = 1 means signal toggles every 5 ns.
AF = 0.75 AF = 0.5 AF = 0.25 AF = 0.1 AF = 0.05 AF = 0.01
1.8 –0.6 0.0083 0.0090 0.0143 0.0287 0.0717 0.1431 0.7169
1.75 –0.55 0.0216 0.0287 0.0430 0.0861 0.2157 0.4313 2.1552
1.7 –0.5 0.0646 0.0861 0.1291 0.2584 0.6457 1.2914 2.5
1.65 –0.45 0.1925 0.2572 0.3858 0.7700 1.9264 2.5 2.5
1.6 –0.4 0.5713 0.7625 1.1408 2.2831 2.5 2.5 2.5
1.55 –0.35 1.1.676 2.2351 2.5 2.5 2.5 2.5 2.5
1.5 –0.3 2.5 2.5 2.5 2.5 2.5 2.5 2.5
1.45 –0.25 2.5 2.5 2.5 2.5 2.5 2.5 2.5
Table 2-16. Itanium
®
2 (9 MB) Processors Source Synchronous AGTL+ Signal Group Time-
Dependent Overshoot/Undershoot Tolerance for 533 MHz System Bus
Absolute
Maximum (V)
Pulse Duration (ns)
Over-
shoot
Under-
shoot
AF = 1
1
NOTES:
1. Activity Factor = 1 means signal toggles every 3.75 ns.
AF = 0.75 AF = 0.5 AF = 0.25 AF = 0.1 AF = 0.05 AF = 0.01
1.8 –0.6 0.0032 0.0035 0.0107 0.0214 0.0538 0.1074 0.5371
1.75 –0.55 0.0161 0.0215 0.0323 0.0647 0.1619 0.3230 1.6161
1.7 –0.5 0.0494 0.0646 0.0969 0.1937 0.4853 0.9692 1.875
1.65 –0.45 0.1444 0.1924 0.2894 0.5776 1.4465 1.875 1.875
1.6 –0.4 0.4279 0.5705 0.8561 1.7130 1.875 1.875 1.875
1.55 –0.35 1.2573 1.6763 1.875 1.875 1.875 1.875 1.875
1.5 –0.3 1.875 1.875 1.875 1.875 1.875 1.875 1.875
1.45 –0.25 1.875 1.875 1.875 1.875 1.875 1.875 1.875