UT3221 - MULTICHANNAEL RS-232 LINE DRIVER/RECEIVER
The UTC UT3221/E consists of 1 driver and 1 receiver.
It meets ElA/TIA-232 and V.28/V.24 specifications, it intended for notebook computer applications.
A high-efficiency, dual charge-pumps power supply and a low-dropout transmitter combine to deliver true RS-232 performance from a single +3.0V~+5.
UT3221 Features
* Operates With 3.0V to 5.5V Power Supply
* One Driver and One Receiver
* Operates Up To 250 kbps
* Designed to Transmit at a Data Rate of 250 kbps
* Low Standby Current (1µA Typical)
* External Capacitors (4
* 0.1µF)
* Accepts 5.0V Logic Input With 3.3V Supply