Hot-selling and scarce COM20020I-DZD 5Mbps ARCNET Controller with 2K x 8 On-chip RAM PLCC28 spot stock

​Product Features

• Data Rates up to 5 Mbps

• Programmable Reconfiguration Times

• 28-Pin PLCC and 48-Pin TQFP RoHS Compliant packages

• Ideal for Industrial/Factory/Building Automation and Transportation Applications

• Deterministic, (ANSI 878.1), Token Passing ARC NET Protocol

• Minimal Microcontroller and Media Interface Logic Required

• Flexible Interface For Use With All Microcontrol lers or Microprocessors

• Automatically Detects Type of Microcontroller Interface

• 2Kx8 On-chip Dual Port RAM

• Command Chaining for Packet Queuing

• Sequential Access to Internal RAM

• Software Programmable Node ID

• 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 -40oC to +85oC

• Self-Reconfiguration Protocol

• Supports up to 255 Nodes

• Supports Various Network Topologies (Star, Tree, Bus...)

• CMOS, Single +5V Supply

• Duplicate Node ID Detection

• Powerful Diagnostics

• Receive All Packets Mode

• Flexible Media Interface:

- Traditional Hybrid Interface For Long Dis tances up to Four Miles at 2.5 Mbps

- RS485 Differential Driver Interface For Low Cost, Low Power, High Reliability

Product Specification

Product Photos

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