256 kB Microcontrollers - MCU

Results: 4,029
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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
Microchip Technology 16-bit Microcontrollers - MCU 16B 256KB FL 32KBR 60MHz 28P OpAmps
Datasheet
155In Stock
Min.: 1
Mult.: 1

Through Hole SPDIP-28 PIC24E 256 kB 16 bit 10 bit, 12 bit 60 MHz 21 I/O 32 kB 3 V 3.6 V - 40 C + 85 C AEC-Q100 Tube
Microchip Technology 16-bit Microcontrollers - MCU 16B 256KB FL 32KBR 60MHz 44P OpAmps
Datasheet
316In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-44 PIC24E 256 kB 16 bit 10 bit, 12 bit 60 MHz 35 I/O 32 kB 3 V 3.6 V - 40 C + 85 C AEC-Q100 Tray

Microchip Technology 16-bit Microcontrollers - MCU 16B 256KB FL 32KBR 60MHz 64P OpAmps
Datasheet
11In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-64 PIC24E 256 kB 16 bit 10 bit, 12 bit 60 MHz 53 I/O 32 kB 3 V 3.6 V - 40 C + 85 C AEC-Q100 Tube
Microchip Technology 16-bit Microcontrollers - MCU 16B 256KB FL 32KBR 60MHz 64P OpAmps
Datasheet
180In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-64 PIC24E 256 kB 16 bit 10 bit, 12 bit 60 MHz 53 I/O 32 kB 3 V 3.6 V - 40 C + 85 C AEC-Q100 Tray
Microchip Technology 16-bit Microcontrollers - MCU 100P 256KB 28KB RAM 60 MHz USB
Datasheet
64In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-100 PIC24E 256 kB 16 bit 10 bit, 12 bit 60 MHz 83 I/O 28 kB 3 V 3.6 V - 40 C + 85 C AEC-Q100 Tray
Microchip Technology 32-bit Microcontrollers - MCU 256KB Flash 32KBRAM 80MHz 10B ADC DMA
Datasheet
94In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-100 MIPS32 M4K 256 kB 32 bit 10 bit 80 MHz 81 I/O 32 kB 2.3 V 3.6 V - 40 C + 85 C Tray
Microchip Technology 32-bit Microcontrollers - MCU 256KB/32KB USB-OTG 80 MHz 10-b ADC DMA
Datasheet
64In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-64 MIPS32 M4K 256 kB 32 bit 10 bit 80 MHz 51 I/O 32 kB 2.3 V 3.6 V - 40 C + 85 C Tube
Microchip Technology 32-bit Microcontrollers - MCU 256KB Flash 64KB USB 1xCAN
Datasheet
461In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,200

SMD/SMT TQFP-64 MIPS32 M4K 256 kB 32 bit 10 bit 80 MHz 53 I/O 64 kB 2.3 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel
Microchip Technology 32-bit Microcontrollers - MCU 256KB Flash 64KB USB ENET
Datasheet
32In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-100 MIPS32 M4K 256 kB 32 bit 10 bit 80 MHz 83 I/O 64 kB 2.3 V 3.6 V - 40 C + 85 C Tray

Silicon Labs ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB
Datasheet
57In Stock
2,600Expected 8/25/2026
Min.: 1
Mult.: 1

SMD/SMT QFN-64 ARM Cortex M3 256 kB 32 bit 12 bit 48 MHz 53 I/O 32 kB 1.98 V 3.8 V - 40 C + 85 C Tray
Silicon Labs ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 76 MHz 256 kB AES MCU
Datasheet
157In Stock
Min.: 1
Mult.: 1
: 2,500

SMD/SMT QFN-32 ARM Cortex M33 256 kB 32 bit 18 I/O 32 kB - 40 C + 125 C Reel, Cut Tape
Infineon Technologies ARM Microcontrollers - MCU IOT-PSOC6
Datasheet
297In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-64 ARM Cortex M0+, ARM Cortex M4 256 kB 32 bit 12 bit 100 MHz, 150 MHz 54 I/O 128 kB 1.7 V 3.6 V - 40 C + 85 C Tray
Bridgetek 32-bit Microcontrollers - MCU 32 Bit MCU Rev C ETH,CAN,Camera,SD
Datasheet
94In Stock
152Expected 8/20/2026
Min.: 1
Mult.: 1

SMD/SMT QFN-100 FT32 256 kB 32 bit 8 bit/10 bit 100 MHz 66 I/O 256 kB 1.08 V 1.32 V - 40 C + 85 C Tray
Microchip Technology ARM Microcontrollers - MCU TQFP, Green, IND TEMP, CRYPTO, MRL A
Datasheet
841In Stock
810Expected 10/26/2026
Min.: 1
Mult.: 1
No
SMD/SMT TQFP-100 ARM Cortex M4 256 kB 32 bit 12 bit 48 MHz 80 I/O 32 kB 1.62 V 1.98 V - 40 C + 85 C Tray
Texas Instruments 16-bit Microcontrollers - MCU Extended temperature 25-MHz MCU with 256
Datasheet
2,470In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500
No
SMD/SMT NFBGA-113 MSP430 256 kB 16 bit 12 bit 25 MHz 87 I/O 16 kB 1.8 V 3.6 V - 55 C + 125 C Reel, Cut Tape, MouseReel

Silicon Labs ARM Microcontrollers - MCU ARM Cortex-32-bit 50 MHz 256 kB LCD AES low power MCU
Datasheet
18In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-80 ARM Cortex M3 256 kB 32 bit 10 bit, 12 bit 50 MHz 62 I/O 32 kB 1.25 V 3.8 V - 40 C + 85 C Tray
STMicroelectronics STM32H523ZCJ6
STMicroelectronics ARM Microcontrollers - MCU High-performance Arm Cortex-M33 MCU 256-Kbyte Flash 272-Kbyte RAM 250 MHz CPU
Datasheet
168In Stock
Min.: 1
Mult.: 1

SMD/SMT UFBGA-144 ARM Cortex M33 256 kB 32 bit 12 bit 250 MHz 272 kB 1.71 V 3.6 V - 40 C + 85 C Tray
Renesas Electronics 32-bit Microcontrollers - MCU 32BIT MCU RX140 256K/64K QFN48
Datasheet
550In Stock
Min.: 1
Mult.: 1

SMD/SMT HWQFN-48 RXv2 256 kB 32 bit 12 bit 48 MHz 39 I/O 64 kB 1.8 V 5.5 V - 40 C + 85 C Tray
Nuvoton ARM Microcontrollers - MCU 32bit M0 Flash/RAM=256KB/32KB+SPROM 2048B+16xADC+6UART+USB
Datasheet
243In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M0 256 kB 32 bit 12 bit 72 MHz 51 I/O 32 kB 1.8 V 3.6 V - 40 C + 105 C Tray
Nuvoton ARM Microcontrollers - MCU 32bit M0 Flash/RAM=256KB/32KB+SPROM 2048B+16xADC+6UART+USB
Datasheet
250In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M0 256 kB 32 bit 12 bit 72 MHz 51 I/O 64 kB 1.8 V 3.6 V - 40 C + 105 C Tray
Nuvoton ARM Microcontrollers - MCU
Datasheet
150In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M4F 256 kB 32 bit 12 bit 72 MHz 53 I/O 32 kB 2.5 V 5.5 V - 40 C + 105 C Tray
Nuvoton ARM Microcontrollers - MCU M4, 256 KB Flash / 128 KB RAM, XOM, USB, Triple CA
Datasheet
40In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-128 ARM Cortex M4F 256 kB 32 bit 12 bit 192 MHz 100 I/O 128 kB 1.8 V 3.6 V - 40 C + 105 C Tray
Nuvoton ARM Microcontrollers - MCU M4, 256 KB Flash / 128 KB RAM, XOM, Dual ADC, USB,
Datasheet
10In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M4F 256 kB 32 bit 12 bit 192 MHz 52 I/O 128 kB 1.8 V 3.6 V - 40 C + 105 C Tray
STMicroelectronics ARM Microcontrollers - MCU Mainstream Arm Cortex-M0+ MCU 256 Kbytes Flash 36 Kbytes RAM 48 MHz CPU 4x USART
Datasheet
105In Stock
2,940Expected 8/13/2026
Min.: 1
Mult.: 1

SMD/SMT UFQFPN-32 ARM Cortex M0+ 256 kB 32 bit 12 bit 48 MHz 30 I/O 36 kB 2 V 3.6 V - 40 C + 125 C Tray
STMicroelectronics ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 256 KB flash, 64 KB RAM, I3C, Dual FDCAN
Datasheet
6In Stock
960On Order
Min.: 1
Mult.: 1
Max.: 100

SMD/SMT LQFP-64 ARM Cortex M33 256 kB 32 bit 12 bit 144 MHz 52 I/O 64 kB 2.7 V 3.6 V - 40 C + 85 C Tray