AM79C970A Advanced Micro Devices, AM79C970A Datasheet - Page 186

• 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
186
EEDO
EECS
EESK
EEDI
AMD
TRDY, STOP, DEVSEL,
AD[31:00], C/BE[3:0],
PAR, FRAME, IRDY,
0
AD[31:00], C/BE[3:0],
CLK
PAR, FRAME, IRDY,
AD[31:00] C/BE[3:0],
PAR, FRAME, IRDY,
CLK
DEVSEL, PERR
1
DEVSEL, PERR
TRDY, STOP,
TRDY, STOP,
PERR, SERR
1
0
REQ
Automatic EEPROM Read Functional Timing
A5
A4
Tx
Output Tri-state Delay Timing
Tx
Output Valid Delay Timing
A3
P R E L I M I N A R Y
A2
Valid n
Valid n
Am79C970A
A1
t VAL(REQ)
Valid n
t VAL
A0
t ON
t OFF
Tx
D15 D14 D13
Tx
MIN
MIN
Valid n
MAX
MAX
D2
Valid n+1
Valid n+1
Tx
Tx
D1
Fig 55
D0
19436A-58
19436A-57
19436A-56