NE8023A

8023A 8023A MCC Manchester Code Converter TM 92123 Features s Compatible with IEEE 802.3 /Ethernet (10BASE5), IEEE802.3/CHEAPERNET (10BASE2) and Ethernet Rev. 1 Specifications s Compatible with 8003 ELDC ®, 8005 Advanced EDLC and Intel 82586 LAN Controller s Manchester Data Encoding/Decoding and Receiver Clock Recovery with Phase Locked Loop (PLL) s Receiver and Collision Squelch Circuit and Noise Rejection Filter s Differential TRANSMIT Cable Driver s Loopback Capability for Diagnostics and Isolation s Fail-Safe Watchdog Timer Circuit to Prevent Continuous Transmission s 20 MHz Crystal Oscillator s Transceiver Interface High Voltage (16 V) Short Circuit Protection s Low Power CMOS Technology with Single 5V Supply s 20 pin DIP (Commercial) & 20 pin PLCC Packages (Commercial, Extended) s Temperature Ranges, Commercial 0°C to +70°C Extended –40 °C to +85 °C Note: Check for latest Data Sheet revision before starting any designs. SEEQ Data Sheets are now on the Web, at www.lsilogic.com. This document is an LSI Logic document. Any reference to SEEQ Technology should be considered LSI Logic. Description The SEEQ 8023A Manchester Code Converter chip provides the Manchester data encoding and decoding functions of the Ethernet Local Area Network physical layer. It interfaces to the SEEQ 8003 and 8005 Ethernet Data Link Controllers or to the Intel 82586 LAN Controller and any standard Ethernet transceiver as defined by IEEE 802.3 and Ethernet Revision 1. Pin Configuration DUAL...