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Description
The RTL8208BF is a highly integrated 8-port, 10Base-T/100Base-TX (FX) Ethernet transceiver implemented in 0.18µm CMOS technology. It is currently the world's smallest Octal-PHY chip package. The RTL8208BF-LF variant has a patented reduced pin count interface for 100Base-FX. Flexible hardware settings are provided to configure the various operating modes of the chip.
Specifications and 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)
- 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
- Supports Port-Pair Loopback mode (PPLPBK mode, RTL8208BF-LF only)
- Supports two power reduction methods: Power saving mode (cable detection) and 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
Application Scenarios
The RTL8208B-LF is suitable for Octal PHY for Fast Ethernet switch with twisted pair interface. The RTL8208BF-LF is suitable for Octal PHY for Fast Ethernet switch with twisted pair interface and fiber capability.
Comparison
Advantages- Highly integrated 8-port design
- Supports both 10Base-T and 100Base-TX
- Patented reduced pin count interface for 100Base-FX (RTL8208BF-LF only)
- Robust baseline wander correction for improved 100Base-TX performance
- Complies with IEEE 802.3/802.3u standards
- Very low power consumption
- Flexible hardware settings for various operating modes
- Supports different interface options (RMII/SMII/SS-SMII)
- Cable tester for diagnosing open/short faults in attached cables
Disadvantages- Limited to 8 ports
- Only certain ports support 100Base-FX (RTL8208BF-LF only)
- Limited to 10Base-T and 100Base-TX interfaces
- Limited to 128-pin QFP package
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Datasheet
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Shopping guide
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Popular parts of the same kind
- Datasheet: Download RTL8208BF
- Chipdatas Part: CD94-RTL8208BF
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/09/28 22:55 +0800
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- Full or Partial Refund , If the item is not as described
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