AMD-762 Datasheet, PDF (80/122 Pages) Advanced Micro Devices – System Controller

Preliminary Information
AMD-762™ System Controller Data Sheet
24416C—December 2001
Table 25. 33-MHz PCI Interface Timings*
Symbol
Parameter Description
Preliminary Data
Min
Max
AD[63:0] Setup Time
7 ns
SBREQ#, REQ[6:0]# Setup Time
12 ns
Setup Time for
t_su
FRAME# STOP#
TRDY# DEVSEL#
IRDY# C/BE[3:0]# RESET#
7 ns
WSC#
REQ64# ACK64#
AD[63:0] Hold Time
0 ns
Hold Time for
FRAME# STOP#
t_h
TRDY# DEVSEL#
IRDY# C/BE[3:0]#
0 ns
SBREQ# REQ[3:0]# WSC#
ACK64#
REQ64#
AD[31:0] Valid Delay
(address phase)
2 ns
11 ns
AD[63:0] Valid Delay
(data phase)
2 ns
11 ns
Valid Delay for
t_vd
FRAME# STOP#
TRDY# DEVSEL#
IRDY# C/BE[3:0]#
GNT[3:0]#WSC#
REQ64# ACK64#
2 ns
11 ns
SBGNT# Valid Delay
2 ns
12 ns
Float Delay for
FRAME# STOP#
t_fd
TRDY# DEVSEL#
IRDY# C/BE[3:0]# WSC#
28 ns
REQ64#
ACK64#
t_pw
RESET# Pulse Width
2 clks
Note:
* This table contains preliminary information, which is subject to change.
1. Measurements are taken with no load for t_min, and 50 pF for t_max.
Figure
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20
20
20
20
20
20
20
20
20
Notes
1
1
1
1
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Electrical Data
Chapter 4