Description
SP3223E / SP3223EB / SP3223EU Intelligent +3.0V to +5.5V RS-232 Transceivers .
The SP3223 products are RS-232 transceiver solutions intended for portable applications
such as notebook and hand held computers.
Features
* Meets true EIA/TIA-232-F Standards from a +3.0V to +5.5V power supply
* Interoperable with EIA/TIA-232 and
EN 1 C1+ 2
20 SHUTDOWN 19 Vcc
adheres to EIA/TIA-562 down to a +2.7V
V+ 3
18 GND
power source
* AUTO ON-LINE® circuitry automatically
wakes up from a 1µA shutdo
Applications
* such as notebook and hand held computers. These products use an internal high-efficiency,
charge-pump power supply that requires only 0.1µF capacitors in 3.3V operation. This charge
pump and Exar's driver architecture allow the SP3223 series to deliver compliant RS-232
performance from a single