32-bit ARM Cortex-M3 MCU, 128KB Flash, 72MHz, LQFP Product overview: STM32F103CBT7 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 ARM Cortex-M, 32-bit, 128KB, 72MHz. Search-friendly keywords include microcontroller, MCU, embedded control, ARM Cortex, Flash memory, low-power, ARM Cortex-M, 32-bit, 128KB, 72MHz. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 685-STM32F103CBT7 can be used for catalog matching and distributor lookup.
ARM® Cortex®-M3 STM32F1 Microcontroller IC 32-Bit Single-Core 72MHz 128KB (128K x 8) FLASH 48-LQFP (7x7)
MCU 32-Bit 128KB Flash 2.5V/3.3V LQFP48
MCU 32-Bit 128KB Flash 2.5V/3.3V LQFP48
MCU 32-Bit 128KB Flash 2.5V/3.3V LQFP48
IC MCU 32BIT 128KB FLASH 48LQFP
Manufacturer: STMicroelectronics
Win Source Part Number: 031275-STM32F103CBT7
Packaging: Tray
Core Processor: ARM Cortex-M3
Number of I/O: 37
Program Memory Size: 128KB (128K x 8)
Program Memory Type: FLASH
Data Converters: A/D 10x12b
Categories: Integrated Circuits
Status: Active
Temperature Range - Operating: -40°C to 105°C (TA)
Case / Package: 48-LQFP (7x7)
Speed(Frequency): 72MHz
Supply Voltage - Operating: 2 V to 3.6 V
Part Core Size: 32-Bit
Data RAM Size: 20K x 8
Is this a common-used part?: Yes
Popularity: High
Fake Threat In the Open Market: 38 pct.
Supply and Demand Status: Limited
ARM Microcontrollers - MCU 32BIT Cortex M3 M/D Performance LINE
IC MCU 32BIT 128KB FLASH 48LQFP
IC MCU 32BIT 128KB FLASH 48LQFP
ARM® Cortex®-M3 STM32F1 Microcontroller IC 32-Bit Single-Core 72MHz 128KB (128K x 8) FLASH 48-LQFP (7x7)
| ERSAELECTRONICS PTE. LTD. | DigiKey | RS Components, Ltd. | RS Components, Ltd. | ODG (Origin Data Global) | Win Source Electronics | VAST STOCK CO., LIMITED | Lingto Electronic Limited | Shenzhen Shengyu Electronics Technology Limited | Quarktwin Technology Ltd. | |
|---|---|---|---|---|---|---|---|---|---|---|
| Product Category | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) |
| Product Number | 685-STM32F103CBT7 | 497-11518-ND | 7147689 | 7147689P | STM32F103CBT7 | 031275-STM32F103CBT7 | STM32F103CBT7 | STM32F103CBT7 | STM32F103CBT7 | STM32F103CBT7 |
| Product Name | ARM Cortex-M 32-bit 128KB 72MHz Embedded Microcontroller MCU | Microcontrollers | Microcontrollers | Microcontrollers | Microcontrollers | Embedded - Embedded - Microcontrollers - STM32F103CBT7 | ARM Microcontrollers - MCU | Embedded - Microcontrollers | Integrated Circuits (ICs) - Embedded - Microcontrollers | Microcontrollers |
| Data Bus | 32 Bit | 32 Bit | 32 Bit; 32bit | 32 Bit; 32bit | 32 Bit | 32 Bit | 32 Bit; 32-Bit | 32 Bit | 32 Bit; 32-Bit Single-Core | |
| RAM | 20 KB | 20 KB | 20 KB | 20 KB | 128 KB | 20 KB | 20 KB | |||
| Supply Voltage | 2 to 3.6 volts | 2 to 3.6 volts | 2 to 3.6 volts | 2 to 3.6 volts | 3.6 volts | |||||
| Serial Interface | I2C, SPI, USB, IrDA, UART, USART, CAN, LIN | CAN; SPI; UART; USART; USB | ||||||||
| Package Type | Other; LQFP | LFQP; Other; 48-LQFP | QFP; Other; Lqfp | QFP; Other; LQFP | QFP; Other; 48-LQFP | QFP; Other; 48-LQFP (7x7) | Other; 48-LQFP | QFP; Other; 48-LQFP |