am79c974 Advanced Micro Devices, am79c974 Datasheet - Page 103

• Manufacturer Part Number: am79c974
• Description: Pcnettm-scsi Combination Ethernet And Scsi Controller For Pci Systems
• Manufacturer: Advanced Micro Devices

AC SWITCHING WAVEFORMS
System Bus Interface
CLK
CLK
DEVSEL, PERR, SERR
TRDY, STOP, LOCK,
AD[31:00] C/BE[3:0],
PAR, FRAME, IRDY,
AD[31:00], C/BE[3:0],
AD[31:00], C/BE[3:0],
TRDY, STOP, LOCK,
TRDY, STOP, LOCK,
PAR, FRAME, IRDY,
PAR, FRAME, IRDY,
DEVSEL
DEVSEL
REQ
Tx
Tx
Output Tri-State Delay Timing
Output Valid Delay Timing
P R E L I M I N A R Y
Valid n
Valid n
Am79C974
t VAL(REQ)
Valid n
t VAL
t ON
t OFF
Tx
Tx
MIN
MIN
Valid n
MAX
MAX
Valid n+1
Valid n+1
Tx
Tx
18681A-43
18681A-44
AMD
103