AX88873P Datasheet, PDF (17/21 Pages) ASIX Electronics Corporation – 10/100BASE Dual Speed 8-Port Repeater

CONFIDENTIAL
AX88873P 10/100Mb Repeater Controller PRELIMINARY
5.4.2 MII Interface Timing TX & RX
T0
T1
TXCLK
T2
T2
TX_EN
T3
T3
TXD
Symbol
Description
T0 TXCLK Cycle Time
T1 TXCLK High Time
T2 TX_EN Delay from TXCLK High
T3 TXD Delay from TXCLK High
T4
T5
RX_CLK
CRS
Min
39.996
14
7.440
3.410
Typ.
40
20
Max
40.004
26
21.760
13.320
Units
ns
ns
ns
ns
RXDV
T6
T7
RXD
Symbol
Description
T4 RX_CLK Clock Cycle Time
T5 RX_CLK Clock High Time
T6 CRS to RXDV Delay Requirement
T7 RXD or RXDV setup to RX_CLK rise time
Min
39.996
14
40
10
Typ.
40
20
Max
40.004
26
160
-
Units
ns
ns
ns
ns
17
ASIX ELECTRONICS CORPORATION