RTL8208

RTL8208 Ethernet transceiver with 8 transceivers, designed for high-speed data transmission
5,167 有效庫存

RTL8208

有效庫存5,167

RTL8208 Ethernet transceiver with 8 transceivers, designed for high-speed data transmission

  • 製造商零件號 # : RTL8208

  • 包裝/封裝: QFP-128

  • 製造商: REALTEK

  • 產品分類 : Controllers

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RTL8208 數據表
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詳細說明

General DescriptionThe 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.

主要特徵

  • 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
REALTEK Inventory

規格

以下是所選零件的基本參數，涉及零件的特性及其所屬類別。

Part Life Cycle Code Obsolete Reach Compliance Code
HTS Code ! 8542.39.00.01 Data Rate ! 100000 Mbps
JESD-30 Code R-PQFP-G128 Number of Terminals 128
Number of Transceivers 8 Operating Temperature-Max 50 °C
Operating Temperature-Min Package Body Material PLASTIC/EPOXY
Package Code QFP Package Equivalence Code QFP128,.67X.93,20
Package Shape RECTANGULAR Package Style FLATPACK
Power Supplies ! 2.5,3.3 V Qualification Status ! Not Qualified
Surface Mount ! YES Technology CMOS
Telecom IC Type ETHERNET TRANSCEIVER Temperature Grade ! COMMERCIAL
Terminal Form ! GULL WING Terminal Pitch ! 0.5 mm
Terminal Position QUAD

數據表 PDF

數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。

初步規格 RTL8208 PDF 下載

常見問題解答

What is RTL8208?

The RTL8208 is a single-port 10/100 Fast Ethernet transceiver designed by Realtek. It is ideal for applications requiring a high-performance, low-power Ethernet connection, such as network interface cards, routers, and industrial networking equipment.

How Does RTL8208 Work?

The RTL8208 works by providing a fast and reliable Ethernet connection between devices. It supports 10/100 Mbps data transmission over standard twisted-pair cables, utilizing advanced signal processing and error correction techniques to ensure data integrity and reliability.

How Many Pins does RTL8208 have and What are the Functions of the Pinout Configuration?

The RTL8208 is typically housed in a small outline package with a pinout configuration that includes the following functions:

  • TX_EN: Transmit Enable Pin.
  • TXD: Transmit Data Pin.
  • RXD: Receive Data Pin.
  • RX_ER: Receive Error Pin.
  • REFCLK: Reference Clock Input Pin.
  • COL: Collision Detect Output Pin.
  • CRS: Carrier Sense Input Pin.
  • MDIO: Management Data I/O Pin.
  • MDC: MDIO Clock Pin.
  • RESET: Reset Pin.

What are the Pros and Cons of RTL8208?

Pros:

  • High Performance: Provides fast and reliable 10/100 Mbps Ethernet connectivity.
  • Low Power Consumption: Operates with low power, suitable for power-sensitive applications.
  • Compact Size: Small outline package for space-efficient designs.
  • Advanced Features: Supports advanced signal processing and error correction techniques for reliable data transmission.
  • Cost-Effective: Offers a cost-effective solution for Ethernet connectivity.

Cons:

  • Limitation to Fast Ethernet: Limited to 10/100 Mbps Ethernet speeds, not suitable for Gigabit Ethernet applications.
  • External Components: May require external magnetics and termination components for proper operation.

Are There Any Equivalents/Alternatives to RTL8208 for Recommendation?

Alternative single-port 10/100 Fast Ethernet transceivers include the KSZ8081 from Microchip Technology and the LAN8710A from Microchip Technology.

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