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UT3221E

UTC
Part Number UT3221E
Manufacturer UTC
Description MULTICHANNAEL RS-232 LINE DRIVER/RECEIVER
Published Apr 18, 2020
Detailed Description UNISONIC TECHNOLOGIES CO., LTD UT3221/E +3.0V TO +5.5V POWER SUPPLY, 250KBPS, MULTICHANNAEL RS-232 LINE DRIVER/RECEIVER ...
Datasheet PDF File UT3221E PDF File

UT3221E
UT3221E

Overview
UNISONIC TECHNOLOGIES CO.
, LTD UT3221/E +3.
0V TO +5.
5V POWER SUPPLY, 250KBPS, MULTICHANNAEL RS-232 LINE DRIVER/RECEIVER CMOS IC SSOP-16 „ DESCRIPTION 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.
5V power supply.
A guaranteed data rate of 250kbps provides compatibility with popular software for communicating with PCs.
The UTC UT3221/E achieves 1µA supply current in shutdown condition.
When the UT3221/E doesn’t detect a valid signal level on its receiver input, the on-board power supply and driver will shutdown, and when a valid level is applied to RS-232 receiver input, then the system turns on again.
Therefore, the system saves power without changes to the existing BIOS or operating system.
The UTC UT3221/E requires only 0.
1µF capaci...


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