256 kB ARM Microcontrollers - MCU

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Description Datasheet Availability Pricing (IDR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Series
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Core
Program Memory Size
Data Bus Width
ADC Resolution
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Data RAM Size
Supply Voltage - Min
Supply Voltage - Max
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STMicroelectronics ARM Microcontrollers - MCU High-performance Arm Cortex-M33 MCU 256-Kbyte Flash 272-Kbyte RAM 250 MHz CPU
Datasheet
6In Stock
4.680Expected 14/09/2026
Min.: 1
Mult.: 1

STM32H5 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 High-performance Arm Cortex-M33 MCU 256-Kbyte Flash 272-Kbyte RAM 250 MHz CPU
Datasheet
2.380Expected 01/10/2026
Min.: 1
Mult.: 1

STM32H5 SMD/SMT LQFP-64 ARM Cortex M33 256 kB 32 bit 12 bit 250 MHz 272 kB 1.71 V 3.6 V - 40 C + 105 C Tray
STMicroelectronics ARM Microcontrollers - MCU High-performance Arm Cortex-M33 MCU 256-Kbyte Flash 272-Kbyte RAM 250 MHz CPU
Datasheet
540Expected 29/12/2026
Min.: 1
Mult.: 1

STM32H5 SMD/SMT LQFP-100 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 M3 ARM 128 Kbytes 32 MHz
Datasheet
1.920On Order
Min.: 1
Mult.: 1

STM32L151RC 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 , LCD, USB
Datasheet
3.474On Order
Min.: 1
Mult.: 1

STM32L433VC 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 Arm Cortex-M0+ MCU 256-Kbytes Flash LCD, USB, 48 MHz CPU
Datasheet
2.983Expected 04/12/2026
Min.: 1
Mult.: 1

STM32U0 ARM Cortex M0 256 kB 48 MHz Tray

STMicroelectronics ARM Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ 64 MHz 256 Kb Flash 32 Kb SRAM
Datasheet
2.919Expected 01/01/2027
Min.: 1
Mult.: 1

STM32WL33 SMD/SMT VFQFPN-32 ARM Cortex M0+ 256 kB 32 bit 12 bit 64 MHz 17 I/O 32 KB 1.7 V 3.6 V - 40 C + 85 C Tray

Microchip Technology ARM Microcontrollers - MCU Cortex-M0+ 256KB FLASH 32KB SRAM
Datasheet
3.983Expected 13/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 4.000

SAMD1/2x SMD/SMT QFN-64 ARM Cortex M0+ 256 kB 32 bit 12 bit 48 MHz 52 I/O 32 kB 1.62 V 1.95 V - 40 C + 85 C Reel, Cut Tape, MouseReel
Microchip Technology ARM Microcontrollers - MCU 120MHZ 256KB FLASH 6 4 TQFP PKG IN 85C
Datasheet
1.493Expected 17/08/2026
Min.: 1
Mult.: 1
: 1.500

ATSAME51 SMD/SMT TQFP-64 ARM Cortex M4F 256 kB 32 bit 12 bit 120 MHz 51 I/O 128 kB 1.71 V 3.6 V - 40 C + 85 C AEC-Q100 Reel, Cut Tape
Texas Instruments ARM Microcontrollers - MCU Automotive 32MHz Arm Cortex-M0+ MCU with
Datasheet
951In Stock
1.000Expected 18/09/2026
MouseReel Available
Min.: 1
Mult.: 1
Max.: 150
: 1.000

MSPM0L1228-Q1 SMD/SMT LQFP-48 ARM Cortex M0+ 256 kB 32 bit 12 bit 32 MHz 43 I/O 32 KB 1.62 V 3.6 V - 40 C + 125 C Reel, Cut Tape, MouseReel
Infineon Technologies ARM Microcontrollers - MCU MM-LEGACY MM
Datasheet
1.600Expected 27/08/2026
Min.: 1
Mult.: 1

MB9B520M SMD/SMT LQFP-64 ARM Cortex M3 256 kB 32 bit 12 bit 72 MHz 50 I/O 32 kB 2.7 V 5.5 V - 40 C + 105 C Tray

Infineon Technologies ARM Microcontrollers - MCU 256KB Flash 64KBSRAM PSoC 5LP
Datasheet
264Expected 07/01/2027
Min.: 1
Mult.: 1

CY8C52LPxxx SMD/SMT QFN-68 ARM Cortex M3 256 kB 32 bit 12 bit 80 MHz 38 I/O 64 kB 1.71 V 1.89 V - 40 C + 85 C Tray

Infineon Technologies ARM Microcontrollers - MCU 256K Flash 64K SRAM PSoC 5LP
Datasheet
364Expected 03/09/2026
Min.: 1
Mult.: 1

CY8C58LPxxx SMD/SMT QFN-68 ARM Cortex M3 256 kB 32 bit 12 bit 67 MHz 48 I/O 64 kB 1.71 V 1.89 V - 40 C + 85 C Tray

Infineon Technologies ARM Microcontrollers - MCU PSoC5LP
Datasheet
519Expected 13/08/2026
Min.: 1
Mult.: 1

SMD/SMT QFN-68 ARM Cortex M3 256 kB 32 bit 12 bit 80 MHz 38 I/O 64 kB 1.71 V 1.89 V - 40 C + 85 C Tray
NXP Semiconductors ARM Microcontrollers - MCU Motion Control 32-bit Microcontroller based on ARM Cortex-M3
Datasheet
960Expected 27/08/2026
Min.: 1
Mult.: 1

LPC1500 SMD/SMT LQFP-64 ARM Cortex M3 256 kB 32 bit 2 x 12 bit 72 MHz 46 I/O 36 kB 2.4 V 3.6 V - 40 C + 105 C Tray
NXP Semiconductors ARM Microcontrollers - MCU 128kB flash, 32kB SRAM, Ethernet, USB, LQFP100 package
Datasheet
720In Stock
Min.: 1
Mult.: 1

LPC1700 SMD/SMT ARM Cortex M3 256 kB 32 bit 12 bit 100 MHz 70 I/O 32 kB 3.3 V 3.3 V - 40 C + 85 C Tray
Renesas Electronics ARM Microcontrollers - MCU MCU RA4 ARM CM4 48MHz 256K/32K QFP48
Datasheet
496Expected 07/12/2026
Min.: 1
Mult.: 1

RA4M1 SMD/SMT LQFP-48 ARM Cortex M4 256 kB 32 bit 14 bit 48 MHz 36 I/O 32 kB 1.6 V 5.5 V - 40 C + 105 C Tray
Renesas Electronics ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 256K/128K QFP100
Datasheet
988On Order
Min.: 1
Mult.: 1

RA4M2 SMD/SMT LQFP-100 ARM Cortex M33 256 kB 32 bit 12 bit 100 MHz 77 I/O 128 kB 2.7 V 3.6 V - 40 C + 105 C Tray
Renesas Electronics ARM Microcontrollers - MCU SYNERGY MCU PLATFORM S128 256K 64LQFP
Datasheet
3.040Expected 26/11/2026
Min.: 1
Mult.: 1

S128 SMD/SMT LQFP-64 ARM Cortex M0+ 256 kB 32 bit 14 bit 32 MHz 53 I/O 24 kB 1.6 V 5.5 V - 40 C + 105 C Tray
Microchip Technology ARM Microcontrollers - MCU LQFP,GREEN,IND TEMP,MRL B
Datasheet
245Expected 13/08/2026
Min.: 1
Mult.: 1

SAM4S SMD/SMT LQFP-48 ARM Cortex M4 256 kB 32 bit 12 bit 120 MHz 34 I/O 64 kB 1.2 V 1.2 V - 40 C + 105 C Tray
STMicroelectronics ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Access line MCU 256 Kbytes of Flash 48 MHz CPU, CAN & C
Datasheet
86In Stock
Min.: 1
Mult.: 1

STM32F091CC SMD/SMT UFQFPN-48 ARM Cortex M0 256 kB 32 bit 12 bit 48 MHz 38 I/O 32 kB 2 V 3.6 V - 40 C + 105 C Tray
STMicroelectronics ARM Microcontrollers - MCU Mainstream Value line Arm Cortex-M3 MCU 256 Kbytes 24 MHz CPU motor control CEC
Datasheet
260In Stock
Min.: 1
Mult.: 1

STM32F1 SMD/SMT ARM Cortex M3 256 kB 32 bit 12 bit 24 MHz 51 I/O 24 kB 2 V 3.6 V - 40 C + 105 C Tray
STMicroelectronics ARM Microcontrollers - MCU ARM 32Bit Value Line 144-Pin 256kB Flash
Datasheet
25In Stock
Min.: 1
Mult.: 1

STM32F100ZC SMD/SMT LQFP-144 ARM Cortex M3 256 kB 32 bit 12 bit 24 MHz 112 I/O 24 kB 2 V 3.6 V - 40 C + 85 C Tray


STMicroelectronics ARM Microcontrollers - MCU Mainstream Arm Cortex-M0+ 32-bit MCU up to 512KB 144KB RAM 6x USART timers ADC D
Datasheet

SMD/SMT LQFP-64 ARM Cortex M0+ 256 kB 32 bit 12 bit 64 MHz 60 I/O 144 kB 1.7 V 3.6 V - 40 C + 125 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power dual core Arm Cortex-M4 MCU 64 MHz, Cortex-M0+ 32 MHz 256 Kbytes
Datasheet
147In Stock
Min.: 1
Mult.: 1

STM32WB 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 + 125 C Tray