COM20019I-HD View Datasheet(PDF) - SMSC -> Microchip

Part Name

Description

MFG CO.

COM20019I-HD

Cost Competitive ARCNET (ANSI 878.1) Controller with 2K x 8 On-Chip RAM

SMSC -> Microchip 

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Low Cost ARCNET (ANSI 878.1) Controller with 2K x 8 On-Board RAM

Table 5.1 - Typical Media

CABLE TYPE

RG-62 Belden #86262

RG-59/U Belden #89108

RG-11/U Belden #89108

IBM Type 1 (See Note 5.2)

Belden #89688

IBM Type 3 (See Note 5.2)

Telephone Twisted Pair Belden

#1155A

COMCODE 26 AWG Twisted Pair

Part #105-064-703

NOMINAL

IMPEDANCE

93Ω

75Ω

75Ω

150Ω

100Ω

105Ω

Note 5.2 Non-plenum-rated cables of this type are also available.

ATTENUATION PER 1000 FT.

AT 5 MHZ

5.5dB

7.0dB

5.5dB

7.0dB

17.9dB

16.0dB

Note:

For more detailed information on Cabling options including RS-485, transformer-coupled RS-485 and Fiber

Optic interfaces, please refer to TN7-5 – Cabling Guidelines for the COM20020 ULANC, available from

Standard Microsystems Corporation.

Rev. 04-15-05

Page 22

DATASHEET

SMSC COM20019I

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