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78Q2133 - 10/100BASE-TX Transceiver

Download the 78Q2133 datasheet PDF. This datasheet also covers the 78Q2123 variant, as both devices belong to the same 10/100base-tx transceiver family and are provided as variant models within a single manufacturer datasheet.

Description

The 78Q2123 and 78Q2133, MicroPHYTM, are the smallest 10BASE-T/100BASE-TX Fast Ethernet transceivers in the market.

They include integrated MII, ENDECs, scrambler/descrambler, dual-speed clock recovery, and full-featured auto-negotiation functions.

Features

  • x Smallest 10/100 PHY available x 10BASE-T/100BASE-TX IEEE-802.3 compliant TX and RX functions requiring a dual 1:1 isolation transformer interface to the line x Integrated MII, 10BASE-T/100BASE-TX ENDEC, 100BASE-TX scrambler/descrambler, and full-featured auto-negotiation function x Full duplex operation capable x Automatic MDI/MDI-X cross over correction x Register-programmable transmit amplitude x Automatic polarity correction during autonegotiation and 10BASE-T signal reception x Power-savin.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (78Q2123-MaximIntegrated.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

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78Q2123 MicroPHY 10/100BASE-TX Transceiver Teridian Semiconductor
78Q8392LA03 Low-Power Ethernet Coaxial Transceiver Teridian Semiconductor

Other Datasheets by Maxim Integrated (Analog Devices)

Part Number Description
78Q2123 10/100BASE-TX Transceiver

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
Simplifying System IntegrationTM 78Q2123/78Q2133 MicroPHY™ 10/100BASE-TX Transceiver DATA SHEET DESCRIPTION The 78Q2123 and 78Q2133, MicroPHYTM, are the smallest 10BASE-T/100BASE-TX Fast Ethernet transceivers in the market. They include integrated MII, ENDECs, scrambler/descrambler, dual-speed clock recovery, and full-featured auto-negotiation functions. The transmitter includes an on-chip pulseshaper and a low-power line driver. The receiver has an adaptive equalizer and a baseline restoration circuit required for accurate clock and data recovery. The transceiver interfaces to Category-5 unshielded twisted pair (Cat-5 UTP) cabling for 100BASE-TX applications, and Category-3 unshielded twisted pair (Cat-3 UTP) for 10BASE-T applications.
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