Electronics ru
Advanced Search +

Datasheet Microchip COM20020I-HT

Part NumberCOM20020I-HT

Microchip's COM20020ID is a member of the family of Embedded ARCNET Controllers from Standard Microsystems Corporation


  • Download » Datasheet, PDF, 417 Kb, File published 12-06-2006
    COM20020i Rev. D 5 Mbps ARCNET (ANSI 878.1) Controller with 2K x 8 On-Chip RAM
    Docket ↓
    COM20020I Rev D
    5Mbps ARCNET (ANSI
    878.1) Controller with
    2K x 8 On-Chip RAM Datasheet Product Features
    ƒ ƒ New Features for Rev. D ƒ -Data Rates up to 5 Mbps
    -Programmable Reconfiguration Times Eight, 256 Byte Pages Allow Four Pages TX
    and RX Plus Scratch-Pad Memory ƒ Next ID Readable ƒ Internal Clock Scaler and Clock Multiplier for
    Adjusting Network Speed ƒ Operating Temperature Range of -40oC to
    +85oC 28 Pin PLCC and 48 Pin TQFP Packages;
    Lead-free RoHS Compliant Packages also
    Available ƒ Ideal for Industrial/Factory/Building
    Automation and Transportation Applications ƒ Deterministic, (ANSI 878.1), Token Passing
    ARCNET Protocol ƒ Minimal Microcontroller and Media Interface
    Logic Required ƒ Flexible Interface For Use With All
    Microcontrollers or Microprocessors ƒ Self-Reconfiguration Protocol ƒ Supports up to 255 Nodes ƒ Supports Various Network Topologies (Star,
    Tree, Bus.) ƒ CMOS, Single +5V Supply ƒ Duplicate Node ID Detection ƒ Automatically Detects Type of
    Microcontroller Interface ƒ Powerful Diagnostics ƒ Receive All Packets Mode ƒ 2Kx8 On-Chip Dual Port RAM ƒ ƒ Command Chaining for Packet Queuing ƒ Sequential Access to Internal RAM ƒ Software Programmable Node ID Flexible Media Interface:
    -Traditional Hybrid Interface For Long
    Distances up to Four Miles at 2.5 Mbps
    -RS485 Differential Driver Interface For Low
    Cost, Low Power, High Reliability ORDERING INFORMATION
    Order Numbers:
    COM20020ILJP for 28 pin PLCC package ...



Lifecycle StatusProduction (Appropriate for new designs but newer alternatives may exist)




Deterministic ProtocolaYes Token Passing
Max Speed5 Mbps MHz
Op. Voltage5V V
Operating Temperature Range-40 to +85 °C
Standalone Arcnet CntrlN/A
TX/RX RAM Buffer(Bytes)16K
Temp Range Max.(° C)85
Temp Range Min.(° C)-40

Eco Plan


Moldel Line

Series: COM20020i (3)

Manufacturer's Classification

  • High-Speed Networking and Video > ARCNET

Other Names:

COM20020IHT, COM20020I HT

Slices ↓
Radiolocman facebook Radiolocman twitter Radiolocman google plus