dp83840a National Semiconductor Corporation, dp83840a Datasheet - Page 75

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

Version A
8.0 Electrical Specifications
8.5 100 Mb/s AC Timing
8.5.1 100 Mb/s MII Transmit Timing
Parameter
T1
T2
TXD[3:0], TX_EN, TX_ER Data Setup to
TX_CLK
TXD[4:0] Data Setup to TX_CLK
TXD[4:0] Data Setup to TX_CLK
TXD[3:0], TX_EN, TX_ER Data Hold from
TX_CLK
TXD[4:0] Data Hold from TX_CLK
TXD[4:0] Data Hold from TX_CLK
TXD[3:0]
TX_CLK
TX_EN
TX_ER
Description
(Continued)
T1
75
Valid Data
100 Mb/s Translational
mode (Normal)
100 Mb/s Transparent
mode (BP_4B5B)
100 Mb/s Phaser mode
(BP_ALIGN)
100 Mb/s Translational
mode (Normal)
100 Mb/s Transparent
mode (BP_4B5B)
100 Mb/s Phaser mode
(BP_ALIGN)
T2
Notes
Min
10
10
10
-2
-2
-2
Typ
Max Units
ns
ns
ns
ns
ns
ns