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RTL8208

Features: ·Supports 8-port integrated physical layer and transceiver for 10Base-T and 100Base-TX · Up to 8 ports support of 100Base-FX · Reduced 100Base-FX interface (patented) · Robust baseline wander correction for improved 100BASE-TX performance · Fully compliant with IEEE 802.3/802.3u ·IEEE ...

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SeekIC No. : 004480128 Detail

RTL8208: Features: ·Supports 8-port integrated physical layer and transceiver for 10Base-T and 100Base-TX · Up to 8 ports support of 100Base-FX · Reduced 100Base-FX interface (patented) · Robust baseline wa...

RTL8208 Data Sheet

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Part Number:
RTL8208
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

·Supports 8-port integrated physical layer and
    transceiver for 10Base-T and 100Base-TX
· Up to 8 ports support of 100Base-FX
· Reduced 100Base-FX interface  (patented)
· Robust baseline wander correction for improved
    100BASE-TX performance
· Fully compliant with IEEE 802.3/802.3u
·IEEE 802.3u compliant Auto-negotiation for 10/100
    Mbps control
· Hardware controlled  Flow control advertisement ability
· Supports RMII/SMII/SS-SMII interfaces
· Multiple driving capabilities of RMII/SMII/SS-SMII
· Supports 25MHz crystal as clock source for RMII with
    50MHz REFCLK output for MAC
· Very low power consumption
· Supports port-pair loop mode (PP-LPBK mode)     
· Supports two Power reduction methods: 
      1.  Power saving mode (cable detection)
      2.  Power down mode
· Power-on auto reset function eliminates the need for
    external reset circuits
· Flexible LED display modes through 2-wire serial 
    LED control interface
· 128-pin PQFP
· 2.5V/3.3V power supply
· 0.25µm, CMOS technology


Specifications

Parameter Symbol Limits Unit
Collector-base voltage VCBO -40 V
Collector-emitter voltage VCEO -32 V
Emitter-base voltage VEBO -5 V
Collector current IC -0.8 A(DC)
Collector power dissipation PC 0.2 W
Junction temperature Tj 150 °C
Storage temperature Tstg -55~+150 °C



Description

The RTL8208 is a highly integrated 8 port, 10Base-T/100Base-TX/FX, Ethernet transceiver implemented in 0.25µm CMOS  technology. It is currently the world's smallest Octal-PHY chip package with many special patented features. Traditional SD pins  in 100Base-FX are omitted by Realtek patent to obtain fewer pin-count. Flexible hardware settings are provided to configure the  various operating modes of the chip. The RTL8208 consists of 8 separate and independent channels. Each channel consists of  an  RMII/SMII/SS-SMII interface to MAC controller, and hardware pins are used to configure the interface for RMII, or SMII, or  SS-SMII mode. In RMII mode, another hardware pin is used to set port-pair loop mode (PP-LPBK mode), which can extend  physical transmission length or perform physical media transport operations without any switch controller. In addition, the  RTL8208 features very low power consumption, as low as 1.8 W (max.). Additionally, pin-outs are designed to provide  optimized  direct routing can be implemented, which simplifies the layout work and reduces EMI noise issues. 




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