256 kB Microcontrollers - MCU

Results: 3,998
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Description Datasheet Availability Pricing (JPY) Filter the results in the table by unit price based on your quantity.
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Core
Program Memory Size
Data Bus Width
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Supply Voltage - Max
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STMicroelectronics ARM Microcontrollers - MCU Ultra Low M3 ARM 256 Kbytes 32 MHz
Datasheet
1,285In Stock
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 M3 ARM 256 Kbytes 32 MHz
Datasheet
798In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M3 256 kB 32 bit 12 bit 32 MHz 51 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
Datasheet
1,903In Stock
Min.: 1
Mult.: 1

SMD/SMT UFBGA-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
Datasheet
601In Stock
1,500Expected 8/12/2027
Min.: 1
Mult.: 1

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 + 125 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB
Datasheet
2,804In Stock
Min.: 1
Mult.: 1

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 Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB
Datasheet
893In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-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 + 125 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB
Datasheet
3,193In Stock
3,120On 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 , LCD, USB
Datasheet
2,059In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5,000

SMD/SMT WLCSP-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 , LCD, USB
Datasheet
2,242In Stock
Min.: 1
Mult.: 1

SMD/SMT UFBGA-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
Datasheet
762In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

SMD/SMT LQFP-100 ARM Cortex M4 256 kB 32 bit 12 bit 80 MHz 83 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, AES-2
Datasheet
521In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M4 256 kB 32 bit 12 bit 80 MHz 83 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 , DFSDM
Datasheet
476In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-48 ARM Cortex M4 256 kB 32 bit 12 bit 80 MHz 38 I/O 160 kB 1.71 V 3.6 V - 40 C + 125 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 kbytes of Flash , DFSDM
Datasheet
2,312In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-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 USB Device, DFS
Datasheet
742In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-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 USB OTG, DFSDM
Datasheet
1,174In Stock
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 + 125 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power dual core Arm Cortex-M4 64MHz Cortex-M0+ 32MHz 256Kbytes Flash
Datasheet
1,692In Stock
Min.: 1
Mult.: 1

SMD/SMT UFQFPN-48 ARM Cortex M4 256 kB 32 bit 12 bit 32 MHz 72 I/O 256 kB 1.71 V 3.6 V - 40 C + 105 C Tray
STMicroelectronics ARM Microcontrollers - MCU Multiprotocol LPWAN 32-bit Arm Cortex-M4 MCUs LoRa (G)FSK-MSK BPSK 256KB Flash
Datasheet
809In Stock
7,800On Order
Min.: 1
Mult.: 1

SMD/SMT UFQFPN-48 ARM Cortex M4 256 kB 32 bit 12 bit 48 MHz 43 I/O 64 kB 1.8 V 3.6 V - 40 C + 105 C Tray
Microchip Technology 32-bit Microcontrollers - MCU 256KB, 144LQFP Ind
Datasheet
593In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-144 AVR 256 kB 32 bit 10 bit 84 MHz 110 I/O 128 kB 3 V 3.6 V - 40 C + 85 C Tray
Microchip Technology 32-bit Microcontrollers - MCU 256KB, 64QFP 85deg. Green
Datasheet
325In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

SMD/SMT TQFP-64 AVR 256 kB 32 bit 10 bit 60 MHz 44 I/O 32 kB 1.65 V 1.95 V - 40 C + 85 C Reel, Cut Tape, MouseReel
Microchip Technology 32-bit Microcontrollers - MCU 32-bit
Datasheet
743In Stock
1,500Expected 9/14/2026
Min.: 1
Mult.: 1

SMD/SMT TQFP-48 AVR 256 kB 32 bit 10 bit 60 MHz 28 I/O 32 kB 1.65 V 1.95 V - 40 C + 85 C Tray
Microchip Technology 32-bit Microcontrollers - MCU UC3C 256K FLASH 64K SRAM
Datasheet
609In Stock
Min.: 1
Mult.: 1
: 1,500

AVR 256 kB 32 bit 66 MHz 45 I/O 64 kB 3 V 5.5 V - 40 C + 85 C Reel, Cut Tape
Microchip Technology 32-bit Microcontrollers - MCU UC3C 512K FLASH 64K SRAM
Datasheet
403In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-64 AVR 256 kB 32 bit 12 bit 66 MHz 45 I/O 64 kB 3 V 5.5 V - 40 C + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU AVR 256K FLSH 4K EE 8K SRAM ADC 5V-16MHz
Datasheet
445In Stock
1,000Expected 4/6/2027
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

SMD/SMT TQFP-64 AVR 256 kB 8 bit 10 bit 16 MHz 54 I/O 8 kB 4.5 V 5.5 V - 40 C + 85 C Reel, Cut Tape, MouseReel

Microchip Technology 8-bit Microcontrollers - MCU AVR 256K FLASH 4K EE 8K SRAM ADC 1.8V
Datasheet
786In Stock
Min.: 1
Mult.: 1

SMD/SMT MLF-64 AVR 256 kB 8 bit 10 bit 8 MHz 54 I/O 8 kB 1.8 V 5.5 V - 40 C + 85 C Tray
Microchip Technology ARM Microcontrollers - MCU MRL A 256K Flash 48K SRAM Ind Temp
Datasheet
1,756In Stock
Min.: 1
Mult.: 1

SMD/SMT QFP-64 ARM Cortex M3 256 kB 32 bit 12 bit 64 MHz 47 I/O 48 kB 1.62 V 1.9 V - 40 C + 85 C Tray