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Datasheet Microchip COM20019i3.3V


Microchip's COM20019I 3V is a member of the family of Embedded ARCNET Controllers from Standard Microsystems Corporation


  • Download » Datasheet PDF, 493 Kb, File published: Nov 7, 2008
    COM20019i 3V Cost-Competitive ARCNET (ANSI 878.1) Controller with 2K x 8 On-Chi
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    COM20019I 3.3V Rev.C
    Cost Competitive
    ARCNET (ANSI 878.1)
    Controller with 2K x 8
    On-Chip RAM
    Datasheet Product Features
    Вѓ New Features: Вѓ -Data Rates up to 312.5 Kbps
    -Programmable Reconfiguration Times Eight, 256 Byte Pages Allow Four Pages TX and
    RX Plus Scratch-Pad Memory Вѓ Next ID Readable Вѓ 28 Pin PLCC and 48 Pin TQFP packages; LeadFree RoHS Compliant packages also available Вѓ Internal Clock Scaler for Adjusting Network
    Speed Вѓ Ideal for Industrial/Factory/Building Automation
    and Transportation Applications Вѓ Operating Temperature Range of -40oC to +85oC Вѓ Вѓ 3.3V power supply with 5V tolerant I/O Deterministic, (ANSI 878.1), Token Passing
    ARCNET Protocol Вѓ Self-Reconfiguration Protocol Вѓ Minimal Microcontroller and Media Interface
    Logic Required Вѓ Supports up to 255 Nodes Вѓ Вѓ Flexible Interface For Use With All
    Microcontrollers or Microprocessors Supports Various Network Topologies (Star,
    Tree, Bus.) Вѓ CMOS, Single +3.3V Supply
    Duplicate Node ID Detection Вѓ Automatically Detects Type of Microcontroller
    Interface Вѓ
    Вѓ Powerful Diagnostics Вѓ 2Kx8 On-Chip Dual Port RAM Вѓ Receive All Packets Mode Вѓ Command Chaining for Packet Queuing Вѓ Вѓ Sequential Access to Internal RAM Вѓ Software Programmable Node ID Flexible Media Interface:
    -RS485 Differential Driver Interface For Cost
    Competitive, Low Power, High Reliability ORDERING INFORMATION
    Order Number(s):
    COM20019I 3VLJP for 28 pin PLCC * package
    COM20019I 3V-DZD for 28 pin PLCC * Lead-Free RoHS Compliant package ...



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




Deterministic Protocola, Token PassingYes
Max Speed, MHz312.5 Kbps
Op. Voltage, V3.3V
Operating Temperature Range, °C-40 to +85
Standalone Arcnet CntrlN/A
TX/RX RAM Buffer(Bytes)16K
Temp Range Max.(° C)85
Temp Range Min.(° C)-40

Moldel Line

Series: COM20019i3.3V (1)

Manufacturer's Classification

  • High-Speed Networking and Video > ARCNET

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