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78Q2123

Teridian Semiconductor
Part Number 78Q2123
Manufacturer Teridian Semiconductor
Description MicroPHY 10/100BASE-TX Transceiver
Published Aug 19, 2010
Detailed Description 78Q2123/78Q2133 MicroPHY™ 10/100BASE-TX Transceiver Simplifying System IntegrationTM DATA SHEET April 2010 DESCRIPTION T...
Datasheet PDF File 78Q2123 PDF File

78Q2123
78Q2123

Overview
78Q2123/78Q2133 MicroPHY™ 10/100BASE-TX Transceiver Simplifying System IntegrationTM DATA SHEET April 2010 DESCRIPTION The 78Q2123 and 78Q2133, MicroPHY , 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.
The MDI is connected to the line media via dual 1:1 isolation transformers.
No external filter is required.
Interface to the MAC is accomplished through an IEEE-802.
3 compliant Media Independent Interface (MII).
The 78Q2123/78Q2133 are intende...


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