Datasheet Specifications
- Part number
- DS78C20
- Manufacturer
- National Semiconductor
- File Size
- 109.07 KB
- Datasheet
- DS78C20_NationalSemiconductor.pdf
- Description
- Dual CMOS Compatible Differential Line Receiver
Description
DS78C20/DS88C20 Dual CMOS Compatible Differential Line Receiver May 1998 DS78C20/DS88C20 Dual CMOS Compatible Differential Line Receiver General Des.Features
* n Meets requirements of EIA Standards RS-232-C RS-422 and RS-423, and Federal Standards 1020 and 1030 n Input voltage range of ± 15V (differential or common-mode) n Separate strobe input for each receiver n 1⁄2 VCC strobe threshold for CMOS compatibility n 5k typical input impedance n 50 mV input hyApplications
* RS-422/RS-423 Application DS005798-2 Note 7: (Optional internal termination resistor. ) a) Capacitor in series with internal line termination resistor, terminates the line and saves termination power. Exact value depends on line length. b) Pin 1 connected to pin 2; terminates the line. c) Pin 2 opeDS78C20 Distributors
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