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78Q2120C Datasheet (PDF) - Teridian Semiconductor Corporation

78Q2120C Datasheet PDF - Teridian Semiconductor Corporation
Part # 78Q2120C
Download  78Q2120C Download

File Size   594.93 Kbytes
Page   35 Pages
Manufacturer  TERIDIAN [Teridian Semiconductor Corporation]
Direct Link  http://www.teridian.com
Logo TERIDIAN - Teridian Semiconductor Corporation
Description 10/100BASE-TX Transceiver

78Q2120C Datasheet (PDF)

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78Q2120C Datasheet PDF - Teridian Semiconductor Corporation

Part # 78Q2120C
Download  78Q2120C Click to download

File Size   594.93 Kbytes
Page   35 Pages
Manufacturer  TERIDIAN [Teridian Semiconductor Corporation]
Direct Link  http://www.teridian.com
Logo TERIDIAN - Teridian Semiconductor Corporation
Description 10/100BASE-TX Transceiver

78Q2120C Datasheet (HTML) - Teridian Semiconductor Corporation

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78Q2120C Product details

DESCRIPTION

The 78Q2120C is a 10BASE-T/100BASE-TX Fast Ethernet transceiver. It includes integrated MII, ENDECs, scrambler/descrambler, dual-speed clock recovery, and full-featured auto-negotiation function. The transmitter includes an on-chip pulse-shaper 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/10BASE-T and Category-3 unshielded twisted pair for 10BASE-T.



FEATURES

• 10BASE-T/100BASE-TX IEEE-802.3 compliant TX and RX functions requiring a dual 1:1 isolation transformer interface to the line

• Integrated MII, 10BASE-T/100BASE-TX ENDEC, 100BASE-TX scrambler/descrambler, and full featured auto-negotiation function

• Full duplex operation capable

• PCS Bypass supports 5-bit symbol interface

• Register-programmable transmit amplitude

• Dual speed digital clock recovery

• Automatic polarity correction during auto negotiation and 10BASE-T signal reception

• Power-saving and power-down modes including transmitter disable

• LED indicators: LINK, TX, RX, COL, 100, 10, FDX

• User programmable Interrupt pin

• 64-Pin TQFP (JEDEC LQFP) package

• Single 3.3 V ± 0.3V Supply




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