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256 kB Embedded Processors & Controllers

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Program Memory Size = 256 kB

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	Mounting Style	Package/Case	Core	Number of I/Os	Data Bus Width	ADC Resolution
ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Access line MCU 256 Kbytes of Flash 48 MHz CPU, CAN & C STM32F091VCH7 STMicroelectronics 1: $9.46 2,494In Stock	Mfr. Part No. STM32F091VCH7 Mouser Part No 511-STM32F091VCH7	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Access line MCU 256 Kbytes of Flash 48 MHz CPU, CAN & C Learn More about STMicroelectronics stm32f0	Datasheet	2,494In Stock	$9.46 $7.34 $6.49 $6.22 View $6.05 $5.67 $5.40 Quote	Min.: 1 Mult.: 1	SMD/SMT	UFBGA-100	ARM Cortex M0	88 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Mainstream Connectivity line, Arm Cortex-M3 MCU 256 Kbytes of Flash 72 MHz CPU, STM32F105RCT6V STMicroelectronics 1: $14.94 510In Stock NRND	Mfr. Part No. STM32F105RCT6V Mouser Part No 511-STM32F105RCT6V NRND	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Connectivity line, Arm Cortex-M3 MCU 256 Kbytes of Flash 72 MHz CPU, Learn More about STMicroelectronics stm32f1	Datasheet	510In Stock	$14.94 $11.71 $10.84 $10.01 View $9.66 $8.93	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M3	51 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Mainstream Connectivity line, Arm Cortex-M3 MCU 256 Kbytes of Flash 72 MHz CPU, STM32F105VCT6W STMicroelectronics 1: $13.91 333In Stock NRND	Mfr. Part No. STM32F105VCT6W Mouser Part No 511-STM32F105VCT6W NRND	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Connectivity line, Arm Cortex-M3 MCU 256 Kbytes of Flash 72 MHz CPU, Learn More about STMicroelectronics stm32f105	Datasheet	333In Stock	$13.91 $10.92 $9.41 $9.10 View $9.06 $8.40 $8.21 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3	80 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Ultra-low-power dual core Arm Cortex-M4 MCU 64 MHz, Cortex-M0+ 32 MHz 256 Kbytes STM32WB55RCV7 STMicroelectronics 1: $7.75 1,555In Stock	Mfr. Part No. STM32WB55RCV7 Mouser Part No 511-STM32WB55RCV7	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power dual core Arm Cortex-M4 MCU 64 MHz, Cortex-M0+ 32 MHz 256 Kbytes Learn More about STMicroelectronics stm stm32wb wireless mcu	Datasheet	1,555In Stock	$7.75 $6.72 $6.37 $5.87 View $5.58 $5.32 $4.86 Quote	Min.: 1 Mult.: 1	SMD/SMT	VFQFPN-68	ARM Cortex M4	49 I/O	32 bit	12 bit
Digital Signal Processors & Controllers - DSP, DSC dsPIC33C 100Mhz, 256KB Flash, 32KB RAM, OpAmps, 12bit ADC, PWM, CAN FD dsPIC33CK256MC506T-I/PT Microchip Technology 1: $1.93 1,077In Stock	Mfr. Part No. dsPIC33CK256MC506T-I/PT Mouser Part No 494-33CK256MC506TIPT	Microchip Technology	Digital Signal Processors & Controllers - DSP, DSC dsPIC33C 100Mhz, 256KB Flash, 32KB RAM, OpAmps, 12bit ADC, PWM, CAN FD Learn More about Microchip Technology microchip dspic33ck256mc50x dsc	Datasheet	1,077In Stock	Cut Tape $1.93 $1.87 Reel $1.59	Min.: 1 Mult.: 1 : 1,200	SMD/SMT	TQFP-48	dsPIC33C	53 I/O
Digital Signal Processors & Controllers - DSP, DSC 16-bit DSC, 256K Flash, 24K RAM, 3-Phase FET Driver, LDO, 64-Pin dsPIC33CDV256MP206T-I/M9 Microchip Technology 1: $3.23 3,300In Stock	Mfr. Part No. dsPIC33CDV256MP206T-I/M9 Mouser Part No 579-33CDV256M206TIM9	Microchip Technology	Digital Signal Processors & Controllers - DSP, DSC 16-bit DSC, 256K Flash, 24K RAM, 3-Phase FET Driver, LDO, 64-Pin Learn More about Microchip Technology microchip dspic33cdvc256mp506 drivers	Datasheet	3,300In Stock	Cut Tape $3.23 $3.16 Reel $2.67 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	SMD/SMT	VGQFN-64	dsPIC33C	31 I/O	16 bit
32-bit Microcontrollers - MCU 32BIT MCU RX621 256K/64K QFP144 R5F56216BDFB#V0 Renesas Electronics 1: $15.58 6,178In Stock NRND	Mfr. Part No. R5F56216BDFB#V0 Mouser Part No 968-R5F56216BDFB#V0 NRND	Renesas Electronics	32-bit Microcontrollers - MCU 32BIT MCU RX621 256K/64K QFP144	Datasheet	6,178In Stock	$15.58 $11.84 $10.69 $9.99 View $9.50 $9.18 $8.89 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-144	RX	103 I/O	32 bit	12 bit
ARM Microcontrollers - MCU LQFP Green IND TEMP T&R, MRL D AT91SAM7S256D-AU-999 Microchip Technology 1: $11.73 2,738In Stock	Mfr. Part No. AT91SAM7S256D-AU-999 Mouser Part No 556-91SAM7S256DAU999	Microchip Technology	ARM Microcontrollers - MCU LQFP Green IND TEMP T&R, MRL D	Datasheet	2,738In Stock	Cut Tape $11.73 $11.03 $10.98 $10.96 Reel $9.67 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	SMD/SMT	LQFP-64	ARM7TDMI	32 I/O	32 bit/16 bit	10 bit
ARM Microcontrollers - MCU 32QFN,105C TEMP, GREEN, 5V, 48MHZ, T&R ATSAMC21E18A-MNT Microchip Technology 1: $5.51 8,100In Stock	Mfr. Part No. ATSAMC21E18A-MNT Mouser Part No 556-ATSAMC21E18A-MNT	Microchip Technology	ARM Microcontrollers - MCU 32QFN,105C TEMP, GREEN, 5V, 48MHZ, T&R Learn More about Microchip Technology atmel smart samc mcu	Datasheet	8,100In Stock	Cut Tape $5.51 $4.00 Reel $3.94 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	SMD/SMT	VQFN-32	ARM Cortex M0+	26 I/O	32 bit	2 x 12 bit
ARM Microcontrollers - MCU 32QFN,85C TEMP, GREEN, 5V, 48MHZ, T&R ATSAMC21E18A-MUT Microchip Technology 1: $4.16 7,414In Stock	Mfr. Part No. ATSAMC21E18A-MUT Mouser Part No 556-ATSAMC21E18A-MUT	Microchip Technology	ARM Microcontrollers - MCU 32QFN,85C TEMP, GREEN, 5V, 48MHZ, T&R Learn More about Microchip Technology atmel smart samc mcu	Datasheet	7,414In Stock	Cut Tape $4.16 $4.03 Reel $3.43 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	SMD/SMT	QFN-32	ARM Cortex M0+	26 I/O	32 bit	2 x 12 bit
ARM Microcontrollers - MCU 48TQFP,105C TEMP, GREEN, 5V, 48MHZ, T&R ATSAMC21G18A-ANT Microchip Technology 1: $4.66 11,833In Stock	Mfr. Part No. ATSAMC21G18A-ANT Mouser Part No 556-ATSAMC21G18A-ANT	Microchip Technology	ARM Microcontrollers - MCU 48TQFP,105C TEMP, GREEN, 5V, 48MHZ, T&R Learn More about Microchip Technology atmel smart samc mcu	Datasheet	11,833In Stock	Cut Tape $4.66 $4.52 Reel $3.85 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	TQFP-48	ARM Cortex M0+	38 I/O	32 bit	2 x 12 bit
ARM Microcontrollers - MCU 48TQFP,85C TEMP, GREEN, 5V, 48MHZ, T&R ATSAMC21G18A-AUT Microchip Technology 1: $4.45 6,228In Stock	Mfr. Part No. ATSAMC21G18A-AUT Mouser Part No 556-ATSAMC21G18A-AUT	Microchip Technology	ARM Microcontrollers - MCU 48TQFP,85C TEMP, GREEN, 5V, 48MHZ, T&R Learn More about Microchip Technology atmel smart samc mcu	Datasheet	6,228In Stock	Cut Tape $4.45 $4.29 Reel $3.68 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	TQFP-48	ARM Cortex M0+	38 I/O	32 bit	2 x 12 bit
ARM Microcontrollers - MCU 64QFN,85C TEMP, GREEN, 5V, 48MHZ, T&R ATSAMC21J18A-MUT Microchip Technology 1: $4.60 4,101In Stock	Mfr. Part No. ATSAMC21J18A-MUT Mouser Part No 556-ATSAMC21J18A-MUT	Microchip Technology	ARM Microcontrollers - MCU 64QFN,85C TEMP, GREEN, 5V, 48MHZ, T&R Learn More about Microchip Technology atmel smart samc mcu	Datasheet	4,101In Stock	Cut Tape $4.60 $4.46 Reel $3.79 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	SMD/SMT	QFN-64	ARM Cortex M0+	52 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 64KB 8KB32TQFP GRN 1.6-3.6V 48MHz ATSAMD21E18A-AUT Microchip Technology 1: $4.03 5,425In Stock	Mfr. Part No. ATSAMD21E18A-AUT Mouser Part No 556-ATSAMD21E18A-AUT	Microchip Technology	ARM Microcontrollers - MCU 64KB 8KB32TQFP GRN 1.6-3.6V 48MHz Learn More about Microchip Technology sam d21 mcus	Datasheet	5,425In Stock	Cut Tape $4.03 $3.91 Reel $3.33 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	SMD/SMT	TQFP-32	ARM Cortex M0+	26 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 256KB 32KB 48TQFP GRN1.6-3.6V48MHz ATSAMD21G18A-AUT Microchip Technology 1: $4.25 4,053In Stock	Mfr. Part No. ATSAMD21G18A-AUT Mouser Part No 556-ATSAMD21G18A-AUT	Microchip Technology	ARM Microcontrollers - MCU 256KB 32KB 48TQFP GRN1.6-3.6V48MHz Learn More about Microchip Technology sam d21 mcus	Datasheet	4,053In Stock	Cut Tape $4.25 $4.11 $4.07 $4.03 $4.00 Reel $3.51 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	TQFP-48	ARM Cortex M0+	38 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 48QFN 125C, GREEN,1.6-3.6V,48MHz ATSAMD21G18A-MFT Microchip Technology 1: $4.57 11,001In Stock	Mfr. Part No. ATSAMD21G18A-MFT Mouser Part No 556-ATSAMD21G18A-MFT	Microchip Technology	ARM Microcontrollers - MCU 48QFN 125C, GREEN,1.6-3.6V,48MHz Learn More about Microchip Technology sam d21 mcus	Datasheet	11,001In Stock	Cut Tape $4.57 $4.43 Reel $3.77 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	SMD/SMT	QFN-48	ARM Cortex M0+	38 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 256KB 32KB 48QFN GRN1.6-3.6V48MHz ATSAMD21G18A-MUT Microchip Technology 1: $4.16 14,370In Stock	Mfr. Part No. ATSAMD21G18A-MUT Mouser Part No 556-ATSAMD21G18A-MUT	Microchip Technology	ARM Microcontrollers - MCU 256KB 32KB 48QFN GRN1.6-3.6V48MHz Learn More about Microchip Technology sam d21 mcus	Datasheet	14,370In Stock	Cut Tape $4.16 $4.03 Reel $3.43 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	SMD/SMT	QFN-48	ARM Cortex M0+	38 I/O	32 bit	12 bit
ARM Microcontrollers - MCU CM4, QFN48, 256KFlash,Tray, USB,Extended Temp ATSAMD51G18A-MF Microchip Technology 1: $5.24 4,838In Stock	Mfr. Part No. ATSAMD51G18A-MF Mouser Part No 556-ATSAMD51G18A-MF	Microchip Technology	ARM Microcontrollers - MCU CM4, QFN48, 256KFlash,Tray, USB,Extended Temp Learn More about Microchip Technology microchip sam d5 e5	Datasheet	4,838In Stock	$5.24 $4.82 $4.35	Min.: 1 Mult.: 1	SMD/SMT	VQFN-48	ARM Cortex M4F	37 I/O	32 bit	12 bit
8-bit Microcontrollers - MCU 256KB FLASH 4KB EE 16K SRAM 3.6V ATXMEGA256D3-AU Microchip Technology 1: $7.50 2,909In Stock	Mfr. Part No. ATXMEGA256D3-AU Mouser Part No 556-ATXMEGA256D3-AU	Microchip Technology	8-bit Microcontrollers - MCU 256KB FLASH 4KB EE 16K SRAM 3.6V	Datasheet	2,909In Stock	$7.50 $7.32	Min.: 1 Mult.: 1	SMD/SMT	TQFP-64	AVR	50 I/O	8 bit/16 bit
ARM Microcontrollers - MCU Automotive 32MHz Arm Cortex-M0+ MCU with M0L1228QPTRQ1 Texas Instruments 1: $3.16 594In Stock 2,000On Order New Product	Mfr. Part No. M0L1228QPTRQ1 Mouser Part No 595-M0L1228QPTRQ1 New Product	Texas Instruments	ARM Microcontrollers - MCU Automotive 32MHz Arm Cortex-M0+ MCU with Learn More about Texas Instruments ti mspm0lx22x mixed signal mcus	Datasheet	594In Stock 2,000On Order On Order Ship Dates Mfr. No: M0L1228QPTRQ1 Stock: 594 Can Dispatch Immediately On Order: 1,000 Expected 07/01/2027 1,000 Expected 15/02/2027 Factory Lead Time: 26 Weeks	Cut Tape $3.16 $2.36 $2.04 $1.94 Reel $1.58 View $1.77 $1.53 $1.50 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	LQFP-48	ARM Cortex M0+	43 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32MHz Arm Cortex-M0+ MCU with 256KB dual MSPM0L1228SPTR Texas Instruments 1: $3.73 688In Stock New Product	Mfr. Part No. MSPM0L1228SPTR Mouser Part No 595-MSPM0L1228SPTR New Product	Texas Instruments	ARM Microcontrollers - MCU 32MHz Arm Cortex-M0+ MCU with 256KB dual Learn More about Texas Instruments ti mspm0lx22x mixed signal mcus	Datasheet	688In Stock	Cut Tape $3.73 $2.53 $2.34 $2.03 Reel $1.42 View $1.91 $1.67 $1.41 $1.37	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	LQFP-48	ARM Cortex M0+	43 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32MHz Arm Cortex-M0+ MCU with 256KB dual MSPM0L2228SPNR Texas Instruments 1: $4.64 741In Stock New Product	Mfr. Part No. MSPM0L2228SPNR Mouser Part No 595-MSPM0L2228SPNR New Product	Texas Instruments	ARM Microcontrollers - MCU 32MHz Arm Cortex-M0+ MCU with 256KB dual Learn More about Texas Instruments ti mspm0lx22x mixed signal mcus	Datasheet	741In Stock	Cut Tape $4.64 $3.07 $2.80 $2.38 Reel $1.81 View $2.26 $2.03 $1.80 $1.75	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	LQFP-80	ARM Cortex M0+	73 I/O	32 bit	12 bit
ARM Microcontrollers - MCU High-performance, low-power 32-bit single-core Arm Cortex M33-based MCU PSC3M5FDS2ACQ1XQLA1 Infineon Technologies 1: $8.49 70In Stock New Product	Mfr. Part No. PSC3M5FDS2ACQ1XQLA1 Mouser Part No 726-PSC3M5FDS2ACQ1XQ New Product	Infineon Technologies	ARM Microcontrollers - MCU High-performance, low-power 32-bit single-core Arm Cortex M33-based MCU Learn More about Infineon Technologies infineon psoc control c3 main line mcus	Datasheet	70In Stock	$8.49 $6.58 $5.81 $5.43 View $5.12 $5.05 $5.00 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M33	50 I/O	32 bit	12 bit
ARM Microcontrollers - MCU TMPM4K4FYBUG(DBB) Toshiba 1: $3.53 158In Stock New Product	Mfr. Part No. TMPM4K4FYBUG(DBB) Mouser Part No 757-TMPM4K4FYBUGDBB New Product	Toshiba	ARM Microcontrollers - MCU Learn More about Toshiba tmpm4k4 microcontroller	Datasheet	158In Stock	$3.53 $2.94 $2.58 $2.37 View $2.17 $2.10	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M4	51 I/O	32 bit	12 bit
ARM Microcontrollers - MCU High-performance Arm Cortex-M33 MCU 256-Kbyte Flash 272-Kbyte RAM 250 MHz CPU STM32H523ZCT6 STMicroelectronics 1: $7.68 767In Stock 5,760On Order	Mfr. Part No. STM32H523ZCT6 Mouser Part No 511-STM32H523ZCT6	STMicroelectronics	ARM Microcontrollers - MCU High-performance Arm Cortex-M33 MCU 256-Kbyte Flash 272-Kbyte RAM 250 MHz CPU Learn More about STMicroelectronics stm stm32h5 mcus	Datasheet	767In Stock 5,760On Order On Order Ship Dates Mfr. No: STM32H523ZCT6 Stock: 767 Can Dispatch Immediately On Order: 1,080 Expected 12/11/2026 2,160 Expected 31/05/2027 2,520 Expected 12/07/2027 Factory Lead Time: 52 Weeks	$7.68 $5.71 $5.14 $4.80 View $4.50 $4.37	Min.: 1 Mult.: 1	SMD/SMT	LQFP-144	ARM Cortex M33		32 bit	12 bit