STM32F105xx Connectivity Line MCUs

The STM32F105xx connectivity line microcontrollers incorporate the high-performance Arm® Cortex®-M3 32-bit RISC core operating at a 72 MHz frequency, high-speed embedded memories (Flash memory up to 256 Kbytes and SRAM up to 64 Kbytes), and an extensive range of enhanced I/Os and peripherals connected to two APB buses. All devices offer two 12-bit ADCs, four general-purpose 16-bit timers plus a PWM timer, as well as standard and advanced communication interfaces: up to two I2Cs, three SPIs, two I2Ss, five USARTs, a USB OTG FS, and two CANs.

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Description Datasheet Availability Pricing (CAD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Series
Mounting Style
Package / Case
Core
Program Memory Size
Data Bus Width
ADC Resolution
Maximum Clock Frequency
Number of I/Os
Data RAM Size
Supply Voltage - Min
Supply Voltage - Max
Minimum Operating Temperature
Maximum Operating Temperature
Packaging
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3
Datasheet
22,198In Stock
Min.: 1
Mult.: 1

STM32F105RC SMD/SMT LQFP-64 ARM Cortex M3 256 kB 32 bit 12 bit 72 MHz 51 I/O 64 kB 2 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3
Datasheet
16,932In Stock
Min.: 1
Mult.: 1

STM32F105VC SMD/SMT LQFP-100 ARM Cortex M3 256 kB 32 bit 12 bit 72 MHz 80 I/O 64 kB 2 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Mainstream Connectivity line, Arm Cortex-M3 64 Kbytes of Flash 72 MHz CPU, CAN,
Datasheet
2,907In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

STM32F105R8 SMD/SMT LQFP-64 ARM Cortex M3 64 kB 32 bit 12 bit 72 MHz 51 I/O 96 kB 2 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3
Datasheet
1,945In Stock
Min.: 1
Mult.: 1

STM32F105RB SMD/SMT LQFP-64 ARM Cortex M3 128 kB 32 bit 12 bit 72 MHz 51 I/O 64 kB 2 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32-Bit Cortex 64Kb Connectivity Line
Datasheet
315In Stock
Min.: 1
Mult.: 1

STM32F105VC SMD/SMT LQFP-100 ARM Cortex M3 256 kB 32 bit 12 bit 72 MHz 80 I/O 64 kB 2 V 3.6 V - 40 C + 105 C Tray
STMicroelectronics ARM Microcontrollers - MCU Mainstream Connectivity line, Arm Cortex-M3 64 Kbytes of Flash 72 MHz CPU, CAN,
Datasheet
587In Stock
Min.: 1
Mult.: 1

STM32F105R8 SMD/SMT LQFP-64 ARM Cortex M3 64 kB 32 bit 12 bit 72 MHz 51 I/O 64 kB 2 V 3.6 V - 40 C + 105 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3
Datasheet
3,003In Stock
2,880Expected 2026-07-28
Min.: 1
Mult.: 1

STM32F105R8 SMD/SMT LQFP-64 ARM Cortex M3 64 kB 32 bit 12 bit 72 MHz 51 I/O 64 kB 2 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Connective ARM 32Bit 256kB Flash USB OTG
Datasheet
959In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

STM32F105VC SMD/SMT LQFP-100 ARM Cortex M3 256 kB 32 bit 12 bit 72 MHz 80 I/O 64 kB 2 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3
Datasheet
317In Stock
Min.: 1
Mult.: 1

STM32F105V8 SMD/SMT LQFP-100 ARM Cortex M3 64 kB 32 bit 12 bit 72 MHz 80 I/O 64 kB 2 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3
Datasheet
540Expected 2026-04-23
Min.: 1
Mult.: 1

STM32F105VB SMD/SMT LQFP-100 ARM Cortex M3 128 kB 32 bit 12 bit 72 MHz 80 I/O 64 kB 2 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Mainstream Connectivity line Arm Cortex-M3 MCU 64 Kbytes 72 MHz CPU CAN USB 2.0
Datasheet
Non-Stocked Lead-Time 30 Weeks
Min.: 1,000
Mult.: 1,000
: 1,000

STM32F105V8 SMD/SMT LQFP-100 ARM Cortex M3 64 kB 32 bit 12 bit 72 MHz 80 I/O 64 kB 2 V 3.6 V - 40 C + 85 C Reel