UM3243 Datasheet (Union Semiconductor) - Enhanced ESD Protection Smart RS-232 Transceivers

UM3243, Enhanced ESD Protection Smart RS-232 Transceivers

The UM3243 series are 3-driver/5-receiver 3V-5.5V powered RS-232 transceivers featuring Auto Power-Off and low supply current, when no valid RS-232 level signal is sensed on any receiver inputs, the charge pump circuit and drivers will be powered off.

Disconnection of the RS-232 cable or poweroff of

UM3243 Features

* enhanced ESD protection with ±15kV for human body mode and ±8kV for IEC61000-4-2 contact discharge mode. Applications z Industrial Controllers and Instruments z Notebooks, Palmtop PCs and Laptops z Networking Routers and Switches z Peripherals z Printers, PDAs and POS Features z Meets True EIA/TIA-2