am79c940 Advanced Micro Devices, am79c940 Datasheet - Page 104

• Manufacturer Part Number: am79c940
• Description: Media Access Controller For Ethernet Mace
• Manufacturer: Advanced Micro Devices

Note: TXDAT+ is the internal version of the signal, and is shown for clarification only.
Note: TXDAT+ is the internal version of the signal, and is shown for clarification only.
104
STDCLK
SRDCLK
TXDAT+
AMD
TXDAT+
(Note 1)
(Note 1)
XTAL1
XTAL1
TXEN
TXEN
DO+
DO+
DO–
DO–
DO±
DO±
1
1
1
1
bit (n–2)
bit (n–2)
AUI Transmit Timing—End of Packet (Last Bit = 0)
AUI Transmit Timing—End of Packet (Last Bit = 1)
1
1
0
0
bit (n–1)
bit (n–1)
Am79C940
0
0
0
1
bit (n)
bit (n)
0
> 250 ns
57
> 200 ns
57
16235C-32
16235C-33