Intel Itanium 2 Processor Uživatelský manuál stáhnout pdf (Strana 27)

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

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

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

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