RTL8208B-LF/RTL8208BF-LF
Datasheet
7.5.
7.6.
7.6.1.
7.6.2.
7.6.3.
7.6.4.
7.6.5.
BASELINE WANDER COMPENSATION..........................................................................................................................31
100BASE-FX (RTL8208BF-LF ONLY) ......................................................................................................................31
Transmit Function ................................................................................................................................................32
Receive Function ..................................................................................................................................................32
Link Monitor.........................................................................................................................................................32
Far-End-Fault-Indication.....................................................................................................................................32
Reduced Fiber Interface.......................................................................................................................................33
RMII/SMII/SS-SMII.................................................................................................................................................33
RMII (Reduced MII) .............................................................................................................................................34
SMII (Serial MII)..................................................................................................................................................35
SS-SMII (Source Synchronous -Serial MII)..........................................................................................................36
POWER SAVING AND POWER DOWN MODE ................................................................................................................38
Power Saving Mode..............................................................................................................................................38
Reg0.11 Power Down Mode .................................................................................................................................38
LED CONFIGURATION................................................................................................................................................38
Serial LEDs ..........................................................................................................................................................38
Scan LED..............................................................................................................................................................41
CROSSOVER DETECTION AND AUTO CORRECTION .....................................................................................................46
POLARITY DETECTION AND AUTO CORRECTION ........................................................................................................46
1.8V POWER GENERATION .........................................................................................................................................47
CABLE TESTER...........................................................................................................................................................47
7.7.
7.7.1.
7.7.2.
7.7.3.
7.8.
7.8.1.
7.8.2.
7.9.
7.9.1.
7.9.2.
7.10.
7.11.
7.12.
7.13.
8. APPLICATION INFORMATION....................................................................................................................................48
8.1.
8.2.
10BASE-T/100BASE-TX APPLICATION ......................................................................................................................48
100BASE-FX APPLICATION (RTL8208BF-LF ONLY) .................................................................................................49
9. CHARACTERISTICS.......................................................................................................................................................50
9.1.
9.2.
9.3.
9.4.
9.5.
ABSOLUTE MAXIMUM RATINGS .................................................................................................................................50
OPERATING RANGE ....................................................................................................................................................50
DC CHARACTERISTICS...............................................................................................................................................50
AC CHARACTERISTICS...............................................................................................................................................52
DIGITAL TIMING CHARACTERISTICS...........................................................................................................................52
RMII Receive Timing ............................................................................................................................................53
RMII Transmit Timing ..........................................................................................................................................54
SMII Receive Timing.............................................................................................................................................54
SMII Transmit Timing...........................................................................................................................................55
SS-SMII Receive Timing .......................................................................................................................................55
SS-SMII Transmit Timing......................................................................................................................................56
POWER START UP & INTERNAL RESET SEQUENCE .....................................................................................................56
THERMAL CHARACTERISTICS.....................................................................................................................................57
Thermal Operating Range....................................................................................................................................57
Thermal Resistances.............................................................................................................................................57
9.5.1.
9.5.2.
9.5.3.
9.5.4.
9.5.5.
9.5.6.
9.6.
9.7.
9.7.1.
9.7.2.
10.
10.1.
11.
MECHANICAL DIMENSIONS ...................................................................................................................................58
NOTES FOR MECHANICAL DIMENSIONS .....................................................................................................................59
ORDERING INFORMATION......................................................................................................................................59
Single-Chip Octal 10/100-TX/FX PHY Transceiver
iv
Track ID: JATR-1076-21 Rev. 1.3
REALTEK [ Realtek Semiconductor Corp. ]
