UM3243 Datasheet - Union Semiconductor

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

UM3243 Datasheet (777.40 KB)