256 kB Microcontrollers - MCU

Results: 4,017
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 Data Bus Width Maximum Clock Frequency Program Memory Size Data RAM Size ADC Resolution Number of I/Os Supply Voltage - Min Supply Voltage - Max Maximum Operating Temperature Qualification Packaging
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB 40In Stock
1,920On Order
Min.: 1
Mult.: 1
Max.: 100

SMD/SMT LQFP-64 ARM Cortex M4 32 bit 80 MHz 256 kB 64 kB 12 bit 52 I/O 1.71 V 3.6 V + 125 C Tray
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
Max.: 300

SMD/SMT LQFP-64 ARM Cortex M4 32 bit 80 MHz 256 kB 64 kB 12 bit 52 I/O 1.71 V 3.6 V + 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
Max.: 300

SMD/SMT LQFP-64 ARM Cortex M4 32 bit 80 MHz 256 kB 64 kB 12 bit 52 I/O 1.71 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB 288In Stock
1,000On Order
Min.: 1
Mult.: 1
Max.: 100
: 1,000

SMD/SMT LQFP-64 ARM Cortex M4 32 bit 80 MHz 256 kB 64 kB 12 bit 52 I/O 1.71 V 3.6 V + 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 5In Stock
Min.: 1
Mult.: 1
Max.: 100

SMD/SMT QFN-32 ARM Cortex M4 32 bit 80 MHz 256 kB 64 kB 12 bit 26 I/O 1.71 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 kbytes of Flash USB Device, DFS 40In Stock
960On Order
Min.: 1
Mult.: 1
Max.: 150

SMD/SMT LQFP-64 ARM Cortex M4 32 bit 80 MHz 256 kB 160 kB 12 bit 52 I/O 1.71 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 kbytes of Flash USB Device, DFS 48In Stock
2,496On Order
Min.: 1
Mult.: 1
Max.: 500

SMD/SMT UFBGA-100 ARM Cortex M4 32 bit 80 MHz 256 kB 160 kB 12 bit 83 I/O 1.71 V 3.6 V + 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
Max.: 300

SMD/SMT LQFP-64 ARM Cortex M4 32 bit 80 MHz 256 kB 128 kB 3 x 12 bit 51 I/O 1.71 V 3.6 V + 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
Max.: 150
: 1,000

SMD/SMT LQFP-64 ARM Cortex M4 32 bit 80 MHz 256 kB 128 kB 12 bit 51 I/O 1.71 V 3.6 V + 85 C Reel, Cut Tape
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 256-Kbytes Flash LCD, USB, 48 MHz CPU 15In Stock
2,940On Order
Min.: 1
Mult.: 1
Max.: 500

ARM Cortex M0 48 MHz 256 kB Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 256-Kbytes Flash LCD, USB, AES, 48 MHz CPU 15In Stock
5,880On Order
Min.: 1
Mult.: 1
Max.: 2,000

ARM Cortex M0 48 MHz 256 kB Tray

STMicroelectronics ARM Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ a.64 MHz 256 Kb Flash 32 Kb SRAM 36In Stock
Min.: 1
Mult.: 1

SMD/SMT VQFN-48 ARM Cortex M0+ 32 bit 64 MHz 256 kB 32 kB 12 bit 32 I/O 1.7 V 3.6 V + 85 C Tray

STMicroelectronics ARM Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ 64 MHz 256 Kb Flash 32 Kb SRAM 22In Stock
Min.: 1
Mult.: 1

SMD/SMT VFQFPN-48 ARM Cortex M0+ 32 bit 64 MHz 256 kB 32 KB 12 bit 32 I/O 1.7 V 3.6 V + 105 C Tray
STMicroelectronics ARM Microcontrollers - MCU Multiprotocol LPWAN 32-bit Arm Cortex-M4 MCUs LoRa (G)FSK-MSK BPSK 256KB Flash 27In Stock
7,800On Order
Min.: 1
Mult.: 1

SMD/SMT UFQFPN-48 ARM Cortex M4 32 bit 48 MHz 256 kB 64 kB 12 bit 43 I/O 1.8 V 3.6 V + 105 C Tray
STMicroelectronics ARM Microcontrollers - MCU Sub-GHz Wireless Microcontrollers. Arm Cortex-M4 a.48 MHz 256 Kbytes of Flash 64 47In Stock
5,000Expected 2/26/2027
Min.: 1
Mult.: 1
: 5,000

SMD/SMT UFBGA-73 ARM Cortex M4 32 bit 48 MHz 256 kB 64 kB 12 bit 43 I/O 1.8 V 3.6 V + 105 C Reel, Cut Tape, MouseReel
Microchip Technology 32-bit Microcontrollers - MCU 256KB, 144FFBGA Ind 6In Stock
Min.: 1
Mult.: 1

SMD/SMT FFBGA-144 AVR 32 bit 66 MHz 256 kB 64 kB 10 bit 110 I/O 1.65 V 1.95 V + 85 C Tray
Microchip Technology 32-bit Microcontrollers - MCU 256KB, 144LQFP Ind w/ AES Mod. 10In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-144 AVR 32 bit 66 MHz 256 kB 64 kB 10 bit 110 I/O 1.65 V 1.95 V + 85 C Tray
Microchip Technology 32-bit Microcontrollers - MCU 256KB, 144FFBGA w/ AES Mod. 183In Stock
Min.: 1
Mult.: 1
: 2,000

SMD/SMT TBGA-144 AVR 32 bit 66 MHz 256 kB 64 kB 10 bit 110 I/O 1.65 V 1.95 V + 85 C Reel, Cut Tape, MouseReel

Microchip Technology 32-bit Microcontrollers - MCU 32-bit 256KB Flash 33In Stock
520Expected 10/8/2026
Min.: 1
Mult.: 1

SMD/SMT QFN-64 AVR 32 bit 60 MHz 256 kB 32 kB 10 bit 44 I/O 1.65 V 1.95 V + 85 C Tray
Microchip Technology 32-bit Microcontrollers - MCU UC3C 256K FLASH 64K SRAM 6In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-144 AVR 32 bit 66 MHz 256 kB 64 kB 12 bit 123 I/O 3 V 5.5 V + 85 C Tray
Microchip Technology ARM Microcontrollers - MCU LQFP Green IND TEMP MRL B, T&R MRLC 5In Stock
2,000Expected 2/22/2027
Min.: 1
Mult.: 1
: 1,000

SMD/SMT LQFP-100 ARM7TDMI 32 bit 20 MHz 256 kB 64 kB 10 bit 62 I/O 1.65 V 1.95 V + 85 C Reel, Cut Tape, MouseReel
Microchip Technology ARM Microcontrollers - MCU MRL A 256K Flash 48K SRAM Ind Temp 5In Stock
Min.: 1
Mult.: 1

SMD/SMT QFP-100 ARM Cortex M3 32 bit 64 MHz 256 kB 48 kB 12 bit 79 I/O 1.62 V 1.9 V + 85 C Tray
Microchip Technology ARM Microcontrollers - MCU LQFPGREENIND 102In Stock
180Expected 10/21/2026
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M4 32 bit 120 MHz 256 kB 64 kB 12 bit 79 I/O 1.08 V 1.32 V + 85 C Tray
Microchip Technology ARM Microcontrollers - MCU Cortx-M0+256KB FLASH 352In Stock
4,000Expected 10/19/2026
Min.: 1
Mult.: 1
: 2,000

SMD/SMT TQFP-32 ARM Cortex M0 32 bit 48 MHz 256 kB 32 kB 12 bit 26 I/O 1.62 V 1.95 V + 85 C Reel, Cut Tape, MouseReel

Microchip Technology ARM Microcontrollers - MCU 64QFN 125C, GREEN,1.6-3.6V,48MHz 226In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-64 ARM Cortex M0+ 32 bit 48 MHz 256 kB 32 kB 12 bit 52 I/O 1.62 V 3.63 V + 125 C AEC-Q100 Tray