DS88C20 Datasheet - National Semiconductor

DS88C20 Dual CMOS Compatible Differential Line Receiver

The DS78C20 and DS88C20 are high performance, dual differential, CMOS compatible line receivers for both balanced and unbalanced digital data transmission. The inputs are compatible with EIA and Federal Standards. Input specifications meet or exceed those of the popular DS7820/DS8820 line receiver, .

DS88C20 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 hy

DS88C20_NationalSemiconductor.pdf