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UM3243 - Enhanced ESD Protection Smart RS-232 Transceivers

Datasheet Summary

Description

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.

Features

  • enhanced ESD protection with ±15kV for human body mode and ±8kV for IEC61000-4-2 contact discharge mode.

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Datasheet preview – UM3243

Datasheet Details

Part number UM3243
Manufacturer UniON Semiconductor
File Size 777.40 KB
Description Enhanced ESD Protection Smart RS-232 Transceivers
Datasheet download datasheet UM3243 Datasheet
Additional preview pages of the UM3243 datasheet.

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Full PDF Text Transcription

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UM3243 Low Supply Current, 3V to 5.5V, 250kbps, 3-Driver/5-Receiver, Enhanced ESD Protection Smart RS-232 Transceivers UM3243EEAS/UM3243EEASR/ UM3243EEUS/UM3243EESS/UM3243EEQA General Description 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 the transmitters of the attaching peripherals will lead to Power-Off mode. When a valid level is applied to any RS-232 receiver inputs, the chip will turn on again. The Auto Power-Off mode helps to save power without changing the existing system.
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