RTL8208B-LF/RTL8208BF-LF
Datasheet
9.5.2. RMII Transmit Timing
Table 42. RMII Transmit Timing
Symbol
T_ipsu_txd_rmii
T_iphd_txd_rmii
Description
Minimum
Typical
Maximum
Units
ns
ns
TXD/TX_EN setup time to REFCLK.
TXD/TX_EN hold time from
REFCLK.
2
2
-
-
-
-
T_ipsu_txd_rmii
T_iphd_txd_rmii
REFCLK
TXD
Valid Data
Figure 24. RMII Transmit Timing
9.5.3. SMII Receive Timing
Table 43. SMII Receive Timing
Symbol
Description
Minimum
Typical
Maximum
Units
T_opd_rxd_smii
REFCLK rising edge to RXD delay.
3.5
4
4.5
ns
T_opd_rxd_smii
REFCLK
RXD
Figure 25. SMII Receive Timing
Single-Chip Octal 10/100-TX/FX PHY Transceiver
54
Track ID: JATR-1076-21 Rev. 1.3
REALTEK [ Realtek Semiconductor Corp. ]
