Cirrus Logic CS8952 - Manual (Page 15)

CS8952
CrystalLAN™ 100BASE-X and 10BASE-T Transceiver 15
DS206F1
10BASE-T SERIAL TRANSMIT TIMING
Parameter Symbol Min Typ Max Unit
TX_EN Setup from TX_CLK t
EHCH
10 - - ns
TX_EN Hold after TX_CLK t
CHEL
10 - - ns
TXD[0] Setup from TX_CLK t
DSCH
10 - - ns
TXD[0] Hold after TX_CLK t
CHDU
10 - - ns
Transmit start-up delay t
STUD
- - 500 ns
Transmit throughput delay t
TPD
- - 500 ns
TX_CLK
TX_EN
TXD[0]
TX+/-
t
EHCH
t
DSCH
t
CHEL
t
CHDU
t
STUD
Valid
Data
Input/Output
Input
Input
Output
t
PD