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Description

The 80220/80221 are highly integrated analog interface ICs for twisted pair Ethernet applications. The 80220/80221 can be configured for either 100 Mbps (100BaseTX) or 10 Mbps (10Base-T) Ethernet operation. The 80220 is packaged in a 44L package, while the 80221 is packaged in a 64L package and contains a few more features.

Features

■ Single Chip 100Base-TX / 10Base-T Physical Layer Solution

■ Dual Speed - 100/10 Mbps

■ Half And Full Duplex

■ MII Interface To Ethernet Controller

■ MI Interface For Configuration & Status

■ Optional Repeater Interface

■ AutoNegotiation: 10/100, Full/Half Duplex

■ Meets All Applicable IEEE 802.3, 10Base-T, 100Base-TX Standards

■ On Chip Wave Shaping - No External Filters Required

■ Adaptive Equalizer

■ Baseline Wander Correction

■ Interface to External 100Base-T4 PHY

■ LED Outputs

- Link

- Activity

- Collision

- Full Duplex

- 10/100

- User Programmable

■ Many User Features And Options

■ Few External Components

■ Pin configuration

- 44L PLCC - 80220

- 64L LQFP - 80221