dp83840a National Semiconductor Corporation, dp83840a Datasheet - Page 80

• Manufacturer Part Number: dp83840a
• Description: 10/100 Mb/s Ethernet Physical Layer
• Manufacturer: National Semiconductor Corporation

Version A
8.6.2 10 Mb/s Transmit Timing (End of Packet)
8.0 Electrical Specifications
Parameter
T1
T2
T3
Transmit Enable Hold Time from
Rising Edge of TX_CLK
End of Packet High Time
(with ‘0’ ending bit)
End of Packet High Time
(with ‘1’ ending bit)
TX_CLK
TXD
TXU+/-
TXU+/-
TX_EN
TXS+/-
TXS+/-
Description
1
0
(Continued)
10 Mb/s nibble mode
10 Mb/s serial mode
10 Mb/s nibble mode
10 Mb/s serial mode
10 Mb/s nibble mode
10 Mb/s serial mode
T1
1
80
0
Notes
T3
T2
Min
250
250
250
250
-2
-2
Typ
Max
ns
ns
ns
ns
ns
ns
Units