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COM20020 - 3.3V ULANC Universal Local Area Network Controller

Download the COM20020 datasheet PDF. This datasheet also covers the COM variant, as both devices belong to the same 3.3v ulanc universal local area network controller family and are provided as variant models within a single manufacturer datasheet.

General Description

SMSC's COM20020 is a member of the family of Embedded ARCNET Controllers from Standard Microsystems Corporation.

Key Features

  • !" New Features Data Rates up to 5 Mbps Programmable Reconfiguration Times !" Eight, 256 Byte Pages Allow Four Pages TX and RX Plus Scratch-Pad Memory !" Next ID Readable !" Internal Clock Scaler and Clock Multiplier for Adjusting Network Speed !" Operating Temperature Range of -40 C to o +85 C !" Self-Reconfiguration Protocol !" Supports up to 255 Nodes !" Supports Various Network Topologies (Star, Tree, Bus) !" CMOS, Single +3.3V Supply !" Duplicate Node ID Detection !" Powerful Diagnostics !".

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (COM-20020.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by SMSC (now Microchip Technology)

Part Number Description
COM20020D ULANC Revision D Universal Local Area Network Controller
COM20022I 10 Mbps ARCNET Controller
COM20019 Low Cost ARCNET (ANSI 878.1) Controller
COM20019I Low Cost ARCNET (ANSI 878.1) Controller
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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
COM20020 3.3V COM20020 3.3V ULANC Universal Local Area Network Controller with 2K x 8 On-Board RAM FEATURES !" New Features Data Rates up to 5 Mbps Programmable Reconfiguration Times !" Eight, 256 Byte Pages Allow Four Pages TX and RX Plus Scratch-Pad Memory !" Next ID Readable !" Internal Clock Scaler and Clock Multiplier for Adjusting Network Speed !" Operating Temperature Range of -40 C to o +85 C !" Self-Reconfiguration Protocol !" Supports up to 255 Nodes !" Supports Various Network Topologies (Star, Tree, Bus...) !" CMOS, Single +3.3V Supply !" Duplicate Node ID Detection !" Powerful Diagnostics !" Receive All Packets Mode !" Flexible Media Interface: Traditional Hybrid Interface For Long Distances up to Four Miles at 2.5Mbps.