256 kB Microcontrollers - MCU

Results: 4,045
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Supply Voltage - Max
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STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 H/D ACCESS USB MCU
Datasheet
99In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-144 ARM Cortex M3 32 bit 36 MHz 256 kB 32 kB 12 bit 112 I/O 2 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 H/D Performance LINE
Datasheet
26In Stock
Min.: 1
Mult.: 1

SMD/SMT BGA-144 ARM Cortex M3 32 bit 72 MHz 256 kB 64 kB 12 bit 112 I/O 2 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU ARM 32Bit Access MCU 144-Pin 256kB Flash
Datasheet
13In Stock
360Expected 11/11/2026
Min.: 1
Mult.: 1

SMD/SMT LQFP-144 ARM Cortex M3 32 bit 72 MHz 256 kB 64 kB 12 bit 112 I/O 2 V 3.6 V + 105 C Tray
STMicroelectronics ARM Microcontrollers - MCU Mainstream Performance line, Arm Cortex-M3 MCU 256 Kbytes of Flash 72 MHz CPU, m
Datasheet
69In Stock
500On Order
MouseReel Available
Min.: 1
Mult.: 1
: 500

SMD/SMT LQFP-144 ARM Cortex M3 32 bit 72 MHz 256 kB 64 kB 12 bit 112 I/O 2 V 3.6 V + 105 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU 32-Bit Cortex 64Kb Connectivity Line
Datasheet
13In Stock
960On Order
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M3 32 bit 72 MHz 256 kB 64 kB 12 bit 51 I/O 2 V 3.6 V + 105 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 256kB
Datasheet
12In Stock
960Expected 26/11/2026
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M3 32 bit 120 MHz 256 kB 96 kB 12 bit 51 I/O 1.8 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU High-performance Arm Cortex-M3 MCU 256 Kbytes of Flash , 120 MHz CPU, ART Accel
Datasheet
23In Stock
3,000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

SMD/SMT ARM Cortex M3 32 bit 120 MHz 256 kB 96 kB 12 bit 51 I/O 1.8 V 3.6 V + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU High-performance Arm Cortex-M3 MCU 256 Kbytes of Flash , 120 MHz CPU, ART Accel
Datasheet
6In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-144 ARM Cortex M3 32 bit 120 MHz 256 kB 96 kB 12 bit 114 I/O 1.8 V 3.6 V + 105 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 256kB
Datasheet
19In Stock
540On Order
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 32 bit 120 MHz 256 kB 96 kB 12 bit 82 I/O 1.8 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32-Bit ARM Cortex M4 72MHz 256kB MCU FPU
Datasheet
244In Stock
960On Order
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M4 32 bit 72 MHz 256 kB 40 kB 2 x 6 bit/8 bit/10 bit/12 bit 51 I/O 2 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Analog & DSP w/ FPU M4 256kB 72MHz
Datasheet
31In Stock
1,000Expected 21/09/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

SMD/SMT LQFP-64 ARM Cortex M4 32 bit 72 MHz 256 kB 40 kB 2 x 6 bit/8 bit/10 bit/12 bit 51 I/O 2 V 3.6 V + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU 32-Bit ARM Cortex M4 72MHz 256kB MCU FPU
Datasheet
30In Stock
3,000On Order
Min.: 1
Mult.: 1

SMD/SMT LQFP-48 ARM Cortex M4 32 bit 72 MHz 256 kB 40 kB 4 x 6 bit/8 bit/10 bit/12 bit 37 I/O 2 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Mainstream Mixed signals MCUs Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash
Datasheet
25In Stock
1,000Expected 28/12/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

SMD/SMT LQFP-100 ARM Cortex M4 32 bit 72 MHz 256 kB 40 kB 4 x 6 bit/8 bit/10 bit/12 bit 87 I/O 2 V 3.6 V + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU Mainstream Mixed signals MCUs Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash
Datasheet
23In Stock
2,160On Order
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M4 32 bit 72 MHz 256 kB 40 kB 4 x 6 bit/8 bit/10 bit/12 bit 87 I/O 2 V 3.6 V + 105 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32-Bit ARM Cortex M4 72MHz 256kB MCU FPU
Datasheet
170In Stock
1,500Expected 05/11/2026
Min.: 1
Mult.: 1

SMD/SMT LQFP-48 ARM Cortex M4 32 bit 72 MHz 256 kB 32 kB 12 bit, 3 x 16 bit 56 I/O 2 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Cost effective DSP FPU ARM CortexM4 MCU
Datasheet
97In Stock
1,920On Order
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M4 32 bit 84 MHz 256 kB 64 kB 12 bit 50 I/O 1.7 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Cost effective DSP FPU ARM CortexM4 MCU
Datasheet
285In Stock
540Expected 11/12/2026
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M4 32 bit 84 MHz 256 kB 64 kB 12 bit 81 I/O 1.7 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU High-performance access line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash
Datasheet
21In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M4 32 bit 84 MHz 256 kB 64 kB 12 bit 81 I/O 1.7 V 3.6 V + 105 C Tray
STMicroelectronics ARM Microcontrollers - MCU High-performance foundation line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Fl
Datasheet
13In Stock
960Expected 15/09/2026
Min.: 1
Mult.: 1

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

SMD/SMT LQFP-64 ARM Cortex M4 32 bit 180 MHz 256 kB 128 kB 3 x 12 bit 50 I/O 1.7 V 3.6 V + 105 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU High-performance foundation line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Fl
Datasheet
263In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M4 32 bit 180 MHz 256 kB 128 kB 3 x 12 bit 81 I/O 1.7 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170MHz 256Kbytes of Flash Math Accel, High Analog l
Datasheet
211In Stock
1,500On Order
Min.: 1
Mult.: 1

SMD/SMT LQFP-48 ARM Cortex M4 32 bit 170 MHz 256 kB 128 kB 5 x 12 bit 42 I/O 1.71 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170MHz 256Kbytes of Flash Math Accel, High Analog l
Datasheet
5In Stock
1,560On Order
Min.: 1
Mult.: 1

SMD/SMT UFQFPN-48 ARM Cortex M4 32 bit 170 MHz 256 kB 128 kB 5 x 12 bit 42 I/O 1.71 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170MHz 256Kbytes of Flash Math Accel, High Analog l
Datasheet
29In Stock
1,080On Order
Min.: 1
Mult.: 1

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

SMD/SMT LQFP-64 ARM Cortex M4 32 bit 170 MHz 256 kB 128 kB 5 x 12 bit 52 I/O 1.71 V 3.6 V + 85 C Tray