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Integrated Circuits (ICs)

ST72F321AR9T3

Legacy MCUs, 16x10-bit, -40°C to 125°C, LQFP 64 10x10x1.4, RoHS

The STMicroelectronics Legacy MCUs are versatile microcontrollers designed for a wide range of applications requiring reliable performance in extreme conditions. With a robust operating temperature range of -40°C to 125°C, these microcontrollers are ideal for industrial and automotive applications. Housed in a compact LQFP 64 package, they feature a powerful 8MHz maximum frequency and a comprehensive set of interfaces, including I2C, SCI, and SPI, making them suitable for various embedded system

BrandSTMicroelectronics
PackageLQFP
Device TypeMicrocontrollers

Full Specifications

Number of Pins64
Data Bus Width8b
Max Frequency8MHz
Number of I/Os48
InterfaceI2C, SCI, SPI
Memory TypeFLASH
Memory Size60kB
Lifecycle StatusNRND
Max Operating Temperature125°C
Max Power Dissipation500mW
Min Operating Temperature-40°C
Number of Programmable I/O48
Number of Timers/Counters2
Operating Supply Voltage5V

About This Product

The STMicroelectronics Legacy MCUs are versatile microcontrollers designed for a wide range of applications requiring reliable performance in extreme conditions. With a robust operating temperature range of -40°C to 125°C, these microcontrollers are ideal for industrial and automotive applications. Housed in a compact LQFP 64 package, they feature a powerful 8MHz maximum frequency and a comprehensive set of interfaces, including I2C, SCI, and SPI, making them suitable for various embedded systems.

What is this product used for?

Suitable for design, repair, and production programs using Microcontrollers devices.

Typical Use Cases

Embedded Processors and Controllers Microcontrollers LQFP Microcontrollers

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
Legacy MCUs, 16x10-bit, -40°C to 125°C, LQFP 64 10x10x1.4, RoHS

ST72F321AR9T3

STMicroelectronics

The STMicroelectronics Legacy MCUs are versatile microcontrollers designed for a wide range of applications requiring reliable performance in extreme conditions. With a robust operating temperature range of -40°C to 125°C, these microcontrollers are ideal for industrial and automotive applications. Housed in a compact LQFP 64 package, they feature a powerful 8MHz maximum frequency and a comprehensive set of interfaces, including I2C, SCI, and SPI, making them suitable for various embedded system

  • Competitive pricing from verified sources
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