8-Bit 8MHz FLASH MCU, 60KB, 2KB RAM, I2C/SPI/SCI, LQFP-44 Product overview: ST72F321BJ9T6 from STMicroelectronics is an Embedded Microcontroller MCU for industrial control, IoT devices, embedded automation, motor control, metering, and low-power board designs. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include 8-bit, 8MHz, 60KB, 2KB. Search-friendly keywords include microcontroller, MCU, embedded control, ARM Cortex, Flash memory, low-power, 8-bit, 8MHz, 60KB, 2KB. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 685-ST72F321BJ9T6 can be used for catalog matching and distributor lookup.
Manufacturer: STMicroelectronics
Win Source Part Number: 066183-ST72F321BJ9T6
Packaging: Tray
Core Processor: ST7
Number of I/O: 32
Program Memory Size: 60KB (60K x 8)
Program Memory Type: FLASH
Data Converters: A/D 16x10b
Categories: Integrated Circuits
Status: Active
Temperature Range - Operating: -40°C to 85°C (TA)
Dimension: 44-LQFP
Speed(Frequency): 8MHz
Supply Voltage - Operating: 3.8 V to 5.5 V
Part Core Size: 8-Bit
Data RAM Size: 2K x 8
Popularity: Medium
Fake Threat In the Open Market: 72 pct.
Supply and Demand Status: Balance
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| ERSAELECTRONICS PTE. LTD. | Win Source Electronics | ODG (Origin Data Global) | DigiKey | Shenzhen Shengyu Electronics Technology Limited | Quarktwin Technology Ltd. | Lingto Electronic Limited | VAST STOCK CO., LIMITED | |
|---|---|---|---|---|---|---|---|---|
| Product Category | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) |
| Product Number | 685-ST72F321BJ9T6 | 066183-ST72F321BJ9T6 | ST72F321BJ9T6 | 497-5585-ND | ST72F321BJ9T6 | ST72F321BJ9T6 | ST72F321BJ9T6 | ST72F321BJ9T6 |
| Product Name | 8-bit 8MHz 60KB 2KB Embedded Microcontroller MCU | Embedded - Embedded - Microcontrollers - ST72F321BJ9T6 | Microcontrollers | Microcontrollers | Integrated Circuits (ICs) - Embedded - Microcontrollers | Microcontrollers | Embedded - Microcontrollers | 8-bit Microcontrollers - MCU |
| Data Bus | 8 Bit | 8 Bit | 8 Bit | 8 Bit | 8 Bit | 8 Bit; 8-Bit | 8 Bit; 8-Bit | |
| RAM | 2 KB | 60 KB | 2 KB | 2 KB | 2 KB | 2 KB | ||
| Supply Voltage | 5 volts | 3.8 to 5.5 volts | 3.8 to 5.5 volts | 3.8 to 5.5 volts | 5.5 volts | |||
| Serial Interface | I2C, SPI, SCI | SPI; SCI | ||||||
| Package Type | Other; LQFP | QFP; Other; 44-LQFP | LFQP; Other; 44-LQFP | Other; 44-LQFP | QFP; Other; 44-LQFP |
