SN75C3221 Datasheet (Texas Instruments) - 3-V to 5.5-V Single-Channel RS-232 Compatible Line Driver/Receiver

SN75C3221, 3-V to 5.5-V Single-Channel RS-232 Compatible Line Driver/Receiver

The SN65C3221 and SN75C3221 consist of one line driver, one line receiver, and a dual chargepump circuit with ±15-kV ESD protection pin to pin (serial-port connection pins, including GND).

These devices providethe electrical interface between an asynchronous communication controller and the serial-p

SN75C3221 Features

* Operate with 3-V to 5.5-V VCC supply

* Operate up to 1 Mbit/s

* Low standby current : 1 μA typical

* External capacitors : 4 x 0.1 μF

* Accepts 5-V logic input with 3.3-V supply

* RS-232 bus-pin ESD protection exceeds ±15 kV using human-body model (H