Category reference photo. Confirm the exact package and electrical specifications in the manufacturer resource.
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
Full Specifications
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
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
Continue browsing the catalog












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
- Sample to production quantities
- Response within 24 business hours