RTL8208B データシートの表示（PDF） - Realtek Semiconductor

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RTL8208B

SINGLE-CHIP OCTAL 10/100BASE-TX/FX PHY TRANSCEIVER

Realtek Semiconductor 

2. Features

„ Supports 8-port integrated physical layer

and transceiver for 10Base-T and

100Base-TX

„ Up to 8 ports support 100Base-FX

(RTL8208BF-LF only)

„ Reduced 100Base-FX (RTL8208BF-LF

only) interface (patented)

„ Robust baseline wander correction for

improved 100Base-TX performance

„ Complies with IEEE 802.3/802.3u

„ IEEE 802.3u compliant auto negotiation

for 10/100Mbps control

„ Hardware controlled Flow control

advertisement ability

„ Supports RMII/SMII/SS-SMII interfaces

„ Very low power consumption

RTL8208B-LF/RTL8208BF-LF

Datasheet

„ Supports Port-Pair Loopback mode (PP-

LPBK mode, RTL8208BF-LF only)

„ Supports two power reduction methods:

‹ Power saving mode (cable detection)

‹ Power down mode

„ Power-on auto reset function eliminates the

need for external reset circuits

„ Crossover detection and auto correction

„ Polarity detection and Auto Correction

„ Flexible serial/scan LED display modes

„ Cable tester for diagnosing open/short

faults in attached cables

„ 128-pin QFP package

„ 1.8V/3.3V power supply

„ 0.18µm, CMOS technology

3. Applications

RTL8208B-LF

„ Octal PHY for Fast Ethernet switch with twisted pair interface

RTL8208BF-LF

„ Octal PHY for Fast Ethernet switch with twisted pair interface and fiber capability

Single-Chip Octal 10/100-TX/FX PHY Transceiver

2

Track ID: JATR-1076-21 Rev. 1.3

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