AMD-762 Datasheet, PDF (77/122 Pages) Advanced Micro Devices – System Controller

24416C—December 2001
Preliminary Information
AMD-762™ System Controller Data Sheet
Table 24. AGP 4x Mode Timings*
Symbol
Parameter Description
Preliminary Data
Min
Max
Figure
Transmitter Output Signals
t_TSf
CLK to First Transmit Strobe
Transition
1.9 ns
8 ns
23
t_TSr
CLK to Fourth Transmit Strobe
Transition
20 ns
23
t_Dvb
Data Valid Before Strobe
–0.95 ns
23
t_Dva
Data Valid After Strobe
1.15 ns
23
t_ONd
Float to Active Delay
–1 ns
7 ns
24
t_OFFd
Active to Float Delay
1 ns
14 ns
24
t_ONS
Strobe Active to First Strobe Edge Setup 4 ns
9 ns
24
t_OFFS
Last Strobe Edge to Strobe Float Delay
4 ns
9 ns
24
Receiver Input Signals
t_RSsu
Receive Strobe Setup Time to CLK
6 ns
t_RSh
Receive Strobe Hold Time from CLK
0.5 ns
t_Dsu
Data to Strobe Setup Time
0.40 ns
23
t_Dhld
Strobe to Data Hold Time
0.70 ns
23
Note:
* This table contains preliminary information, which is subject to change.
1. These specifications refer to the setup and hold times for the strobe set started in the previous cycle.
Notes
1
1
AGPCLK
AD
Strobe
t_fd
t_OFFS
Figure 21. AGP 2x Strobe/Data Turnaround Timings
t_ONd
t_ONS
Chapter 4
Electrical Data
65