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Manufacturer Part #


ST3222 Series 3 to 3.6 V 400 kbps Low Power RS-232 Driver and Receiver -TSSOP-20

Product Specification Section
Technical Attributes
Attributes Table
Data Rate: 400kbps
Operating Temp Range: -40°C to +85°C
Supply Voltage: 3V to 3.6V
Duplex: Full Duplex
Function: Transceiver
No. of Drivers: 2
No. of Receivers: 2
Supply Current: 0.3mA
No of Terminals: 20
Package Style:  TSSOP-20
Mounting Method: Surface Mount
Features & Applications
<divid="ctl00_placeholdermain_displayproductoverview_displayproductoverview_conditionpnl_ctl00_ctl00__controlwrapper_richhtmlfield" />The ST3222BTR is a 3 V powered EIA/TIA-232 and V.28/V.24 communications interface with low power requirements and high data-rate capabilities.

ST3222 has a proprietary low dropout transmitter output stage providing true RS-232 performance from 3 to 3.6 V power supplies. The device requires only four small 0.1 mF standard external capacitors for operating from 3 V supply. It has an operating temperature range of -40 °C to 85 °C and available in TSSOP20 package.


  • 300 μA supply current
  • 250 kbps minimum guarantee data rate
  • 6 V/μs minimum guarantee slew rate
  • Meet EIA/TIA-232 specification down to 3 V


  • Subnotebooks
  • Palmtop computers
  • Battery
  • Powered equipment
  • Hand-held equipment
  • Peripherals and printers
Pricing Section
Web Price:
$1.34 USD Each
Cost Per Unit

$7.00 reeling fee is amortized over the number of components for each reel.
Mini-Reels are a custom product and are non-cancelable and non-returnable.