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Integrated Circuits (ICs)

ST3243BTR

3 to 5.5 V, 400 Kbps, RS-232 transceiver with auto-power-down

The STMicroelectronics RS-232 transceiver is a versatile and efficient solution designed for reliable serial communication in various applications. Operating within a supply voltage range of 3V to 5.5V, this transceiver supports data rates up to 400 Kbps, making it ideal for high-speed data transmission. Housed in a compact TSSOP package, it features an auto-power-down function to enhance energy efficiency, while its robust design ensures reliable performance across a wide temperature range from

BrandSTMicroelectronics
PackageTSSOP
Device TypeRS-232, RS-422, RS-485 Interface ICs
MountingSurface Mount

Full Specifications

Number of Pins28
Logic FunctionTransceiver
InterfaceRS-232
Data Rate400kbps
Min Supply Voltage3V
Max Supply Voltage5.5V
MountSurface Mount
Max Operating Temperature85°C
Min Operating Temperature-40°C
Nominal Supply Current1mA
PackagingTape & Reel
Lead FreeContains Lead
RoHSCompliant
Number of Drivers3

About This Product

The STMicroelectronics RS-232 transceiver is a versatile and efficient solution designed for reliable serial communication in various applications. Operating within a supply voltage range of 3V to 5.5V, this transceiver supports data rates up to 400 Kbps, making it ideal for high-speed data transmission. Housed in a compact TSSOP package, it features an auto-power-down function to enhance energy efficiency, while its robust design ensures reliable performance across a wide temperature range from -40°C to 85°C. This transceiver is perfect for integrating RS-232 interfaces into your electronic designs.

What is this product used for?

Suitable for design, repair, and production programs using RS-232, RS-422, RS-485 Interface ICs devices.

Typical Use Cases

Interface ICs RS-232, RS-422, RS-485 Interface ICs TSSOP RS-232, RS-422, RS-485 Interface ICs

Sourcing Support for This MPN

  • MPN and package verification against your BOM or approved vendor list
  • Approved-alternate and cross-reference review when the requested line is constrained
  • Availability, lifecycle, and supply-risk discussion for procurement planning
  • Packing, label, date-code, and requested document coordination

RFQ Checklist

Part number Confirm the target MPN or suggest approved alternates
Target Quantity Sample, pilot run, or mass production volume
Project stage Prototype, NPI, or ongoing production
Target price Budget or target price range if available
3 to 5.5 V, 400 Kbps, RS-232 transceiver with auto-power-down

ST3243BTR

STMicroelectronics

The STMicroelectronics RS-232 transceiver is a versatile and efficient solution designed for reliable serial communication in various applications. Operating within a supply voltage range of 3V to 5.5V, this transceiver supports data rates up to 400 Kbps, making it ideal for high-speed data transmission. Housed in a compact TSSOP package, it features an auto-power-down function to enhance energy efficiency, while its robust design ensures reliable performance across a wide temperature range from

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