AM79C974KCW AMD [Advanced Micro Devices], AM79C974KCW Datasheet - Page 107

• Manufacturer Part Number: AM79C974KCW
• Description: PCnetTM-SCSI Combination Ethernet and SCSI Controller for PCI Systems
• Manufacturer: AMD [Advanced Micro Devices]

SWITCHING WAVEFORMS
Attachment Unit Interface
Note:
1. Internal signal and is shown for clarification only.
t
ISTDCLK
ITXDAT+
PWODI
(Note 1)
(Note 1)
(Note 1)
V
XTAL1
ITXEN
ASQ
DI+/–
DO+
DO–
DO
1
t
PWKDI
1
Bit (n–2)
1
Transmit Timing – End of Frame (Last Bit = 1)
0
P R E L I M I N A R Y
0
Bit (n–1) Bit (n)
Receive Timing
1
Am79C974
Typical > 250 ns
t
DOETD
t
PWKDI
18681A-52
18681A-51
AMD
107