256 kB Microcontrollers - MCU

Results: 4,030
Select Image Part # Mfr. Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity. Qty. RoHS 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 Qualification Packaging
STMicroelectronics ARM Microcontrollers - MCU Cost effective DSP FPU ARM CortexM4 MCU 122In Stock
1,920On Order
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M4 256 kB 32 bit 12 bit 84 MHz 50 I/O 64 kB 1.7 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU High-performance access line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash 21In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M4 256 kB 32 bit 12 bit 84 MHz 81 I/O 64 kB 1.7 V 3.6 V - 40 C + 105 C Tray
STMicroelectronics ARM Microcontrollers - MCU High-performance foundation line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Fl 33In Stock
2,880On Order
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M4 256 kB 32 bit 3 x 12 bit 180 MHz 50 I/O 128 kB 1.7 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU High-performance foundation line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Fl 16In Stock
960Expected 2026/09/07
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M4 256 kB 32 bit 3 x 12 bit 180 MHz 50 I/O 128 kB 1.7 V 3.6 V - 40 C + 105 C Tray
STMicroelectronics ARM Microcontrollers - MCU High-performance foundation line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Fl 31In Stock
1,000On Order
Min.: 1
Mult.: 1
: 1,000

SMD/SMT LQFP-64 ARM Cortex M4 256 kB 32 bit 3 x 12 bit 180 MHz 50 I/O 128 kB 1.7 V 3.6 V - 40 C + 105 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU Mainstream Arm Cortex M0+ 32-bit MCU, up to 512KB Flash, 144KB RAM 521In Stock
6,240On Order
Min.: 1
Mult.: 1

SMD/SMT ARM Cortex M0+ 256 kB 32 bit 12 bit 64 MHz 44 I/O 144 kB 1.7 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Mainstream Arm Cortex-M0+ 32-bit MCU up to 512KB Flash 144KB RAM 111In Stock
19,500On Order
Min.: 1
Mult.: 1

SMD/SMT ARM Cortex M0+ 256 kB 32 bit 12 bit 64 MHz 42 I/O 144 kB 1.7 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170MHz 256Kbytes of Flash Math Accel, High Analog l 29In Stock
1,080On Order
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M4 256 kB 32 bit 5 x 12 bit 170 MHz 86 I/O 128 kB 1.71 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170 MHz 256 Kbytes of Flash Math Accel, HR Timer, H 32In Stock
4,800On Order
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M4 256 kB 32 bit 5 x 12 bit 170 MHz 52 I/O 128 kB 1.71 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 170 MHz 256 Kbytes Flash Math Accel High Analog level 14In Stock
11,760On Order
Min.: 1
Mult.: 1

SMD/SMT UFQFPN-32 ARM Cortex M4 256 kB 32 bit 12 bit 170 MHz 26 I/O 112 kB 1.71 V 3.6 V - 40 C + 125 C Tray

STMicroelectronics ARM Microcontrollers - MCU High-performance Arm Cortex-M33 MCU 256-Kbyte Flash 272-Kbyte RAM 250 MHz CPU
4,631Expected 2026/09/14
Min.: 1
Mult.: 1

SMD/SMT UFQFPN-48 ARM Cortex M33 256 kB 32 bit 12 bit 250 MHz 272 kB 1.71 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power 32-bit Value Line Arm Cortex-M3 MCU 256 Kbytes of Flash 32 MHz C 170In Stock
Min.: 1
Mult.: 1
: 1,000

SMD/SMT LQFP-64 ARM Cortex M3 256 kB 32 bit 12 bit 32 MHz 51 I/O 16 kB 1.8 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU Ultra Low M3 ARM 128 Kbytes 32 MHz 33In Stock
4,500On Order
Min.: 1
Mult.: 1

SMD/SMT LQFP-48 ARM Cortex M3 256 kB 32 bit 12 bit 32 MHz 37 I/O 32 kB 1.65 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash 52In Stock
4,800On Order
Min.: 1
Mult.: 1
: 2,400

SMD/SMT LQFP-48 ARM Cortex M4 256 kB 32 bit 12 bit 80 MHz 38 I/O 64 kB 1.71 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash 54In Stock
6,240On Order
Min.: 1
Mult.: 1

SMD/SMT UFQFPN-48 ARM Cortex M4 256 kB 32 bit 12 bit 80 MHz 38 I/O 64 kB 1.71 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash 106In Stock
5,880On Order
Min.: 1
Mult.: 1

SMD/SMT UFQFPN-32 ARM Cortex M4 256 kB 32 bit 12 bit 80 MHz 26 I/O 64 kB 1.71 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash 1,495In Stock
18,000On Order
Min.: 1
Mult.: 1
: 3,000

SMD/SMT QFN-32 ARM Cortex M4 256 kB 32 bit 12 bit 80 MHz 26 I/O 64 kB 1.71 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB 43In Stock
1,920On Order
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M4 256 kB 32 bit 12 bit 80 MHz 52 I/O 64 kB 1.71 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB 5In Stock
1,920On Order
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M4 256 kB 32 bit 12 bit 80 MHz 52 I/O 64 kB 1.71 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB 387In Stock
Min.: 1
Mult.: 1
: 1,000

SMD/SMT LQFP-64 ARM Cortex M4 256 kB 32 bit 12 bit 80 MHz 52 I/O 64 kB 1.71 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash USB, AES-256, D 248In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-32 ARM Cortex M4 256 kB 32 bit 12 bit 80 MHz 26 I/O 64 kB 1.71 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 kbytes of Flash USB Device, DFS 2In Stock
960On Order
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M4 256 kB 32 bit 12 bit 80 MHz 52 I/O 160 kB 1.71 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 kbytes of Flash USB Device, DFS 83In Stock
2,496On Order
Min.: 1
Mult.: 1

SMD/SMT UFBGA-100 ARM Cortex M4 256 kB 32 bit 12 bit 80 MHz 83 I/O 160 kB 1.71 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash LCD, USB OTG, D 34In Stock
1,920On Order
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M4 256 kB 32 bit 3 x 12 bit 80 MHz 51 I/O 128 kB 1.71 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash LCD, USB OTG, D 34In Stock
1,000On Order
Min.: 1
Mult.: 1
: 1,000

SMD/SMT LQFP-64 ARM Cortex M4 256 kB 32 bit 12 bit 80 MHz 51 I/O 128 kB 1.71 V 3.6 V - 40 C + 85 C Reel, Cut Tape