AMD-762 datasheet(63/122 Pages) AMD

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Chapter 4

Electrical Data

24416C—December 2001

AMD-762™ System Controller Data Sheet

Preliminary Information

Table 13.

AGP 1x Mode DC Specifications*

DC Specifications for AGP 1x Signalling at 3.3 Volts

Symbol

Parameter Description

Condition

Min

Max

Units

Notes

VIH

Input High Voltage

0.5 VDDQ

VDDQ + 0.5

VIL

Input Low Voltage

—0.5

0.3 VDDQ

IIL

Input Leakage Current

0 < VIN < VDDQ

±10

µA

VOH

Output High Voltage

IOUT = –500 µA0.9 VDDQ

VOL

Output Low Voltage

IOUT = 1500 µA0.1 VDDQ

CIN

Input Pin Capacitance

DC Specifications for AGP 1x Signalling at 1.5 Volts

Symbol

Parameter Description

Condition

Min

Max

Units

Notes

VIH

Input High Voltage

0.6 VDDQ

VDDQ + 0.5

VIL

Input Low Voltage

—0.5

0.4 VDDQ

IIL

Input Leakage Current

0 < VIN < VDDQ

±10

µA

VOH

Output High Voltage

IOUT = –200 µA

0.85 VDDQ

VOL

Output Low Voltage

IOUT = 1000 µA0.15 VDDQ

CIN

Input Pin Capacitance

Notes:

*This table contains preliminary information, which is subject to change.

1. Absolute maximum pin capacitance for an AGP-compliant component input is 8 pF (except for CLK) with an exception granted to

motherboard-only devices, which could be up to 16 pF in order to accommodate PGA packaging. Generally, this means that com-

ponents for expansion boards need to use alternatives to ceramic PGA packaging—that is, PQFP, BGA, etc.

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