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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, 11-07-2008
    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
    ƒ New Features: ƒ -Data Rates up to 312.5 Kbps
    -Programmable Reconfiguration Times Eight, 256 Byte Pages Allow Four Pages TX and
    RX Plus Scratch-Pad Memory ƒ Next ID Readable ƒ 28 Pin PLCC and 48 Pin TQFP packages; LeadFree RoHS Compliant packages also available ƒ Internal Clock Scaler for Adjusting Network
    Speed ƒ Ideal for Industrial/Factory/Building Automation
    and Transportation Applications ƒ Operating Temperature Range of -40oC to +85oC ƒ ƒ 3.3V power supply with 5V tolerant I/O Deterministic, (ANSI 878.1), Token Passing
    ARCNET Protocol ƒ Self-Reconfiguration Protocol ƒ Minimal Microcontroller and Media Interface
    Logic Required ƒ Supports up to 255 Nodes ƒ ƒ Flexible Interface For Use With All
    Microcontrollers or Microprocessors Supports Various Network Topologies (Star,
    Tree, Bus.) ƒ CMOS, Single +3.3V Supply
    Duplicate Node ID Detection ƒ Automatically Detects Type of Microcontroller
    Interface ƒ
    ƒ Powerful Diagnostics ƒ 2Kx8 On-Chip Dual Port RAM ƒ Receive All Packets Mode ƒ Command Chaining for Packet Queuing ƒ ƒ Sequential Access to Internal RAM ƒ 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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