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Home > Interface and Driver Circuit
UT232E Datasheet

The UTC UT232E has two drivers and two receivers with dual
charge-pump circuit. It meets RS-232D and V.28 specifications. Its
high performance includes increased drive current for longer and
more flexible cable configurations and 10V/µs slew rate, 120kbps
guaranteed transmission rate. For easier use, enhancements include
better ESD protection for RS-232 I/O pins, low power dissipation and
four external small 0.1µF charge pump capacitors.  
* Single power supply: 3.3V~5.5V
* Low power supply current: 3.0mA  
* Multiple drivers and receivers
* Receiver input levels: ±25V
* 3-State outputs of TTL/CMOS receiver
* High output slew rate: 10V/µs under load
* High data rate: 120kbps under load
* Four external small charge pump capacitors: 0.1µF
* Exceeds ±8KV HBM ESD protection for RS-232 I/O pins
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