AM79C970A Advanced Micro Devices, AM79C970A Datasheet - Page 185

• Manufacturer Part Number: AM79C970A
• Description: PCnet-PCI II Single-Chip Full-Duplex Ethernet Controller for PCI Local Bus Product
• Manufacturer: Advanced Micro Devices

SWITCHING WAVEFORMS: SYSTEM BUS INTERFACE
CLK
CLK
AD[31:00], C/BE[3:0],
TRDY, STOP, LOCK,
PAR, FRAME, IRDY,
DEVSEL, IDSEL
0.325 V DDB
0.475 V DDB
0.4 V DDB
0.8 V
GNT
CLK
1.5 V
2.0 V
t RISE
t RISE
CLK Waveform for 3.3 V Signaling
CLK Waveform for 5 V Signaling
Input Setup and Hold Timing
0.6 V DDB
P R E L I M I N A R Y
t HIGH
t HIGH
2.4 V
Am79C970A
Tx
t SU(GNT)
t CYC
t FALL
t CYC
t FALL
t SU
0.2 V DDB
t LOW
t LOW
0.4V
t H(GNT)
t H
Tx
0.8 V
0.325 V DDB
1.5 V
0.4 V DDB
2.0 V
0.475 V DDB
19436A-54
19436A-53
19436A-55
AMD
185