Intel Itanium 2 Processor Manual do Utilizador descarregar pdf (Página 29)

Datasheet 29

Electrical Specifications

Table 2-19. Itanium

2 Processors (1.5 GHz/4 MB, 1.6 GHz) Wired-OR Signal Group (BINIT#,

HIT#, HITM#, BNR#, TND#, BERR#) 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 10 ns.

AF = 0.75 AF = 0.5 AF = 0.25 AF = 0.1 AF = 0.05 AF = 0.01

1.8 –0.6 0.0513 0.0685 0.1026 0.2054 0.5129 1.0258 5

1.75 –0.55 0.1547 0.2059 0.3088 0.6192 1.5458 3.0902 5

1.7 –0.5 0.4640 0.6191 0.9265 1.8536 4.6313 5 5

1.65 –0.45 1.3836 1.8410 2.7641 5555

1.6–0.44.0947555555

1.55–0.355555555

1.5–0.35555555

Table 2-20. Itanium

2 (9 MB) Processors Wired-OR Signal Group (BINIT#, HIT#, HITM#, BNR#,

TND#, BERR#) 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 7.5 ns.

AF = 0.75 AF = 0.5 AF = 0.25 AF = 0.1 AF = 0.05 AF = 0.01

1.8 –0.6 0.0385 0.0513 0.0770 0.1541 0.3853 0.7690 3.75

1.75 –0.55 0.1161 0.1548 0.2317 0.4641 1.1593 2.3177 3.75

1.7 –0.5 0.3473 0.4643 0.6945 1.3895 3.4738 3.75 3.75

1.65 –0.45 1.0365 1.3801 2.0731 3.75 3.75 3.75 3.75

1.6 –0.4 3.0710 3.75 3.75 3.75 3.75 3.75 3.75

1.55 -0.35 3.75 3.75 3.75 3.75 3.75 3.75 3.75

1.5 –0.3 3.75 3.75 3.75 3.75 3.75 3.75 3.75

Table 2-21. Itanium

2 (1.66 GHz) Processors Wired-OR Signal Group (BINIT#, HIT#, HITM#,

BNR#, TND#, BERR#) Overshoot/Undershoot Tolerance for 667 MHz System Bus

(Sheet 1 of 2)

Absolute

Maximum (V)

Pulse Duration (ns)

Over-

shoot

Under-

shoot

AF = 1

AF = 0.75 AF = 0.5 AF = 0.25 AF = 0.1 AF = 0.05 AF = 0.01

1.8 –0.6 0.0308 0.0411 0.0615 0.1231 0.3079 0.6167 3

1.75 –0.55 0.0928 0.1237 0.1855 0.3706 0.9291 1.8546 3

1.7 –0.5 0.2780 0.3714 0.5568 1.1136 2.7783 3 3

1.65 –0.45 0.8288 1.1056 1.6585 3333

1 2 ... 24 25 26 27 28 29 30 31 32 33 34 ... 107 108

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