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256 kB ARM Microcontrollers - MCU

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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.	Series	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
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash LCD, USB OTG, D STM32L476RCT6 STMicroelectronics 1: $8.93 34In Stock 3,840On Order	Mfr. Part No. STM32L476RCT6 Mouser Part No 511-STM32L476RCT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash LCD, USB OTG, D Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	34In Stock 3,840On Order On Order Ship Dates Mfr. No: STM32L476RCT6 Stock: 34 Can Dispatch Immediately On Order: 960 Expected 2027/02/22 1,920 Expected 2027/10/25 960 TBD Factory Lead Time: 52 Weeks	$8.93 $6.58 $6.00 $5.44 $5.31	Min.: 1 Mult.: 1 Max.: 300	STM32L476RC	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	+ 85 C		Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 256 Kbytes Flash STM32U535VCI6Q STMicroelectronics 1: $8.28 4In Stock	Mfr. Part No. STM32U535VCI6Q Mouser Part No 511-STM32U535VCI6Q	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 256 Kbytes Flash Learn More about STMicroelectronics stmicro stm32u5	Datasheet	4In Stock	$8.28 $6.40 $5.64 $5.40 View $5.36 $5.00 $4.91	Min.: 1 Mult.: 1	STM32U5	SMD/SMT	UFBGA-100	ARM Cortex M33	256 kB	32 bit	12 bit	160 MHz		274 kB	1.71 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ a.64 MHz 256 Kb Flash 32 Kb SRAM STM32WL33CCV6A STMicroelectronics 1: $6.18 37In Stock	Mfr. Part No. STM32WL33CCV6A Mouser Part No 511-STM32WL33CCV6A	STMicroelectronics	ARM Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ a.64 MHz 256 Kb Flash 32 Kb SRAM Learn More about STMicroelectronics stm32wl3x mcus	Datasheet	37In Stock	$6.18 $5.13 $4.90 $4.29 View $4.27 $4.13 $4.09 $4.06 Quote	Min.: 1 Mult.: 1		SMD/SMT	VQFN-48	ARM Cortex M0+	256 kB	32 bit	12 bit	64 MHz	32 I/O	32 kB	1.7 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ 64 MHz 256 Kb Flash 32 Kb SRAM STM32WL33CCV7 STMicroelectronics 1: $6.97 22In Stock	Mfr. Part No. STM32WL33CCV7 Mouser Part No 511-STM32WL33CCV7	STMicroelectronics	ARM Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ 64 MHz 256 Kb Flash 32 Kb SRAM Learn More about STMicroelectronics stm32wl33x mcus	Datasheet	22In Stock	$6.97 $5.70 $5.26 $4.97 View $4.72 $4.54	Min.: 1 Mult.: 1	STM32WL33	SMD/SMT	VFQFPN-48	ARM Cortex M0+	256 kB	32 bit	12 bit	64 MHz	32 I/O	32 KB	1.7 V	3.6 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU Multiprotocol LPWAN 32-bit Arm Cortex-M4 MCUs LoRa (G)FSK-MSK BPSK 256KB Flash STM32WLE5CCU6 STMicroelectronics 1: $10.00 27In Stock 7,800On Order	Mfr. Part No. STM32WLE5CCU6 Mouser Part No 511-STM32WLE5CCU6	STMicroelectronics	ARM Microcontrollers - MCU Multiprotocol LPWAN 32-bit Arm Cortex-M4 MCUs LoRa (G)FSK-MSK BPSK 256KB Flash Learn More about STMicroelectronics stm stm32wle4xx stm32wle5xx mcus	Datasheet	27In Stock 7,800On Order On Order Ship Dates Mfr. No: STM32WLE5CCU6 Stock: 27 Can Dispatch Immediately On Order: 4,680 Expected 2026/11/05 3,120 Expected 2026/11/09 Factory Lead Time: 52 Weeks	$10.00 $8.06 $7.68 $6.83 View $6.49 $6.18	Min.: 1 Mult.: 1	STM32WL	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
ARM Microcontrollers - MCU Sub-GHz Wireless Microcontrollers. Arm Cortex-M4 a.48 MHz 256 Kbytes of Flash 64 STM32WLE5CCU7 STMicroelectronics 1: $9.29 26In Stock 14,040On Order	Mfr. Part No. STM32WLE5CCU7 Mouser Part No 511-STM32WLE5CCU7	STMicroelectronics	ARM Microcontrollers - MCU Sub-GHz Wireless Microcontrollers. Arm Cortex-M4 a.48 MHz 256 Kbytes of Flash 64 Learn More about STMicroelectronics stm stm32wle4xx stm32wle5xx mcus	Datasheet	26In Stock 14,040On Order On Order Ship Dates Mfr. No: STM32WLE5CCU7 Stock: 26 Can Dispatch Immediately On Order: 6,240 Expected 2026/11/12 7,800 Expected 2026/12/12 Factory Lead Time: 52 Weeks	$9.29 $8.06 $7.64 $7.05 View $6.70 $6.40 $6.05 Quote	Min.: 1 Mult.: 1	STM32WL	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
ARM Microcontrollers - MCU LQFP GRN IND TMP MRL C AT91SAM7X256C-AU Microchip Technology 1: $12.40 86In Stock 3,150Expected 2027/01/26	Mfr. Part No. AT91SAM7X256C-AU Mouser Part No 556-AT91SAM7X256C-AU	Microchip Technology	ARM Microcontrollers - MCU LQFP GRN IND TMP MRL C	Datasheet	86In Stock 3,150Expected 2027/01/26	$12.40 $11.29 $10.23	Min.: 1 Mult.: 1	SAM7X/XC	SMD/SMT	LQFP-100	ARM7TDMI	256 kB	32 bit	10 bit	20 MHz	62 I/O	64 kB	1.65 V	1.95 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU LQFP Green IND TEMP MRL B, T&R MRLC AT91SAM7X256C-AUR Microchip Technology 1: $12.60 10In Stock 2,000Expected 2026/12/31	Mfr. Part No. AT91SAM7X256C-AUR Mouser Part No 556-AT91SAM7X256CAUR	Microchip Technology	ARM Microcontrollers - MCU LQFP Green IND TEMP MRL B, T&R MRLC	Datasheet	10In Stock 2,000Expected 2026/12/31	Cut Tape $12.60 $12.18 Reel $10.37 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SAM7X/XC	SMD/SMT	LQFP-100	ARM7TDMI	256 kB	32 bit	10 bit	20 MHz	62 I/O	64 kB	1.65 V	1.95 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU MRL A 256K Flash 48K SRAM Ind Temp ATSAM3S4AA-AU Microchip Technology 1: $6.20 26In Stock	Mfr. Part No. ATSAM3S4AA-AU Mouser Part No 556-ATSAM3S4AA-AU	Microchip Technology	ARM Microcontrollers - MCU MRL A 256K Flash 48K SRAM Ind Temp Learn More about Microchip Technology microchip sam3s mcu	Datasheet	26In Stock	$6.20 $5.63 $5.09	Min.: 1 Mult.: 1	SAM3S	SMD/SMT	QFP-48	ARM Cortex M3	256 kB	32 bit	12 bit	64 MHz	34 I/O	48 kB	1.62 V	1.9 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU MRL A 256K Flash 48K SRAM Ind Temp ATSAM3S4CA-AU Microchip Technology 1: $6.93 10In Stock	Mfr. Part No. ATSAM3S4CA-AU Mouser Part No 556-ATSAM3S4CA-AU	Microchip Technology	ARM Microcontrollers - MCU MRL A 256K Flash 48K SRAM Ind Temp Learn More about Microchip Technology microchip sam3s mcu	Datasheet	10In Stock	$6.93 $6.28 $5.70	Min.: 1 Mult.: 1	SAM3S	SMD/SMT	QFP-100	ARM Cortex M3	256 kB	32 bit	12 bit	64 MHz	79 I/O	48 kB	1.62 V	1.9 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU 256K Flash, 52K SRAM 32-bit ARM Cortex M3 ATSAM3U4CA-AU Microchip Technology 1: $7.62 81In Stock 180Expected 2027/02/25	Mfr. Part No. ATSAM3U4CA-AU Mouser Part No 556-ATSAM3U4CA-AU	Microchip Technology	ARM Microcontrollers - MCU 256K Flash, 52K SRAM 32-bit ARM Cortex M3 Learn More about Microchip Technology microchip sam3u mcus	Datasheet	81In Stock 180Expected 2027/02/25	$7.62 $6.93 $6.28	Min.: 1 Mult.: 1	SAM3U	SMD/SMT	LQFP-100	ARM Cortex M3	256 kB	32 bit	12 bit	96 MHz	57 I/O	52 kB	1.62 V	1.95 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU LQFPGREENIND ATSAM4S4CA-AU Microchip Technology 1: $5.40 148In Stock 180Expected 2026/11/03	Mfr. Part No. ATSAM4S4CA-AU Mouser Part No 556-ATSAM4S4CA-AU	Microchip Technology	ARM Microcontrollers - MCU LQFPGREENIND Learn More about Microchip Technology atmelsam4s	Datasheet	148In Stock 180Expected 2026/11/03	$5.40 $4.88 $4.43	Min.: 1 Mult.: 1	SAM4S	SMD/SMT	LQFP-100	ARM Cortex M4	256 kB	32 bit	12 bit	120 MHz	79 I/O	64 kB	1.08 V	1.32 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU LQFP,GREEN,IND TEMP,MRL B ATSAM4S4CB-ANR Microchip Technology 1: $5.58 173In Stock	Mfr. Part No. ATSAM4S4CB-ANR Mouser Part No 556-ATSAM4S4CB-ANR	Microchip Technology	ARM Microcontrollers - MCU LQFP,GREEN,IND TEMP,MRL B Learn More about Microchip Technology atmelsam4s	Datasheet	173In Stock	Cut Tape $5.58 $5.38 Reel $4.61	Min.: 1 Mult.: 1 : 1,000	SAM4S	SMD/SMT	LQFP-100	ARM Cortex M4	256 kB	32 bit	12 bit	120 MHz	79 I/O	64 kB	1.62 V	3.6 V	- 40 C	+ 105 C		Reel, Cut Tape
ARM Microcontrollers - MCU 64QFN 125C, GREEN,1.6-3.6V,48MHz ATSAMD21J18A-MF Microchip Technology 1: $4.73 226In Stock	Mfr. Part No. ATSAMD21J18A-MF Mouser Part No 556-ATSAMD21J18A-MF	Microchip Technology	ARM Microcontrollers - MCU 64QFN 125C, GREEN,1.6-3.6V,48MHz Learn More about Microchip Technology sam d21 mcus	Datasheet	226In Stock	$4.73 $4.29 $3.90	Min.: 1 Mult.: 1	SAMD21	SMD/SMT	QFN-64	ARM Cortex M0+	256 kB	32 bit	12 bit	48 MHz	52 I/O	32 kB	1.62 V	3.63 V	- 40 C	+ 125 C	AEC-Q100	Tray
ARM Microcontrollers - MCU 120MHZ 256KB FLASH 4 8 QFN PKG 85C ATSAMD51G18A-MU Microchip Technology 1: $4.77 192In Stock	Mfr. Part No. ATSAMD51G18A-MU Mouser Part No 556-ATSAMD51G18AMU	Microchip Technology	ARM Microcontrollers - MCU 120MHZ 256KB FLASH 4 8 QFN PKG 85C Learn More about Microchip Technology microchip sam d5 e5	Datasheet	192In Stock	$4.77 $4.38 $3.97	Min.: 1 Mult.: 1	ATSAMD51	SMD/SMT	QFN-48	ARM Cortex M4F	256 kB	32 bit	12 bit	120 MHz	37 I/O	128 kB	1.71 V	3.6 V	- 40 C	+ 85 C	AEC-Q100	Tray
ARM Microcontrollers - MCU 120MHZ 256KB FLASH 6 4 TQFP PKG 85C ATSAME51J18A-AU Microchip Technology 1: $5.54 134In Stock 160Expected 2026/11/27	Mfr. Part No. ATSAME51J18A-AU Mouser Part No 556-ATSAME51J18AAU	Microchip Technology	ARM Microcontrollers - MCU 120MHZ 256KB FLASH 6 4 TQFP PKG 85C Learn More about Microchip Technology microchip sam e5 mcu	Datasheet	134In Stock 160Expected 2026/11/27	$5.54 $5.09 $4.61	Min.: 1 Mult.: 1	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	Tray
ARM Microcontrollers - MCU CM23, ULP, Touch, 256K Flash, 48 Pin QFN PIC32CM2532LE00048-I/U5B Microchip Technology 1: $3.71 1,206In Stock	Mfr. Part No. PIC32CM2532LE00048-I/U5B Mouser Part No 579-2532LE00048IU5B	Microchip Technology	ARM Microcontrollers - MCU CM23, ULP, Touch, 256K Flash, 48 Pin QFN Learn More about Microchip Technology microchip pic32cm lx mcus	Datasheet	1,206In Stock	$3.71 $3.40 $3.08	Min.: 1 Mult.: 1		SMD/SMT	VQFN-48	ARM Cortex M23	256 kB	32 bit	12 bit	48 MHz	34 I/O	32 kB	1.62 V	3.63 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU TQFP 48, 256 KB Flash, 32 KB SRAM, 85 C Temp, Green, Tray, Low Power PIC32CM2532LE00048-I/Y8X Microchip Technology 1: $3.66 186In Stock	Mfr. Part No. PIC32CM2532LE00048-I/Y8X Mouser Part No 579-M2532LE00048IY8X	Microchip Technology	ARM Microcontrollers - MCU TQFP 48, 256 KB Flash, 32 KB SRAM, 85 C Temp, Green, Tray, Low Power Learn More about Microchip Technology microchip pic32cm lx mcus	Datasheet	186In Stock	$3.66 $3.36 $3.04	Min.: 1 Mult.: 1		SMD/SMT	TQFP-48	ARM Cortex M23	256 kB	32 bit	12 bit	48 MHz	34 I/O	32 kB	1.62 V	3.63 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Tiva C Series Microc ontroller A 595-TM4 A 595-TM4C1230H6PMI7 TM4C1230H6PMI7R Texas Instruments 1: $12.85 1,144In Stock	Mfr. Part No. TM4C1230H6PMI7R Mouser Part No 595-TM4C1230H6PMI7R	Texas Instruments	ARM Microcontrollers - MCU Tiva C Series Microc ontroller A 595-TM4 A 595-TM4C1230H6PMI7 Learn More about Texas Instruments ti tiva C	Datasheet	1,144In Stock	Cut Tape $12.85 $9.76 $9.36 $8.26 View Reel $7.34 $7.84 $7.58 $7.34 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000	TM4C1230H6PM	SMD/SMT	LQFP-64	ARM Cortex M4F	256 kB	32 bit	12 bit	80 MHz	49 I/O	32 kB	3.15 V	3.63 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Tiva C Series Microc ontroller A 595-TM4 A 595-TM4C1231H6PGEI7R TM4C1231H6PGEI7 Texas Instruments 1: $17.18 131In Stock	Mfr. Part No. TM4C1231H6PGEI7 Mouser Part No 595-TM4C1231H6PGEI7	Texas Instruments	ARM Microcontrollers - MCU Tiva C Series Microc ontroller A 595-TM4 A 595-TM4C1231H6PGEI7R Learn More about Texas Instruments ti tiva C	Datasheet	131In Stock	$17.18 $13.04 $12.50 $10.36 View $9.70 $9.69 Quote	Min.: 1 Mult.: 1	TM4C1231H6PGE	SMD/SMT	LQFP-144	ARM Cortex M4F	256 kB	32 bit	12 bit	80 MHz	105 I/O	32 kB	3.15 V	3.63 V	- 40 C	+ 85 C
ARM Microcontrollers - MCU Tiva C Series Microc ontroller A 595-TM4 A 595-TM4C1231H6PMI7 TM4C1231H6PMI7R Texas Instruments 1: $12.90 978In Stock	Mfr. Part No. TM4C1231H6PMI7R Mouser Part No 595-TM4C1231H6PMI7R	Texas Instruments	ARM Microcontrollers - MCU Tiva C Series Microc ontroller A 595-TM4 A 595-TM4C1231H6PMI7 Learn More about Texas Instruments ti tiva C	Datasheet	978In Stock	Cut Tape $12.90 $9.80 $9.40 $8.28 View Reel $7.37 $7.87 $7.61 $7.37 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000	TM4C1231H6PM	SMD/SMT	LQFP-64	ARM Cortex M4F	256 kB	32 bit	12 bit	80 MHz	43 I/O	32 kB	3.15 V	3.63 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Tiva C Series MCU A 595-TM4C1231H6PZI A A 595-TM4C1231H6PZI TM4C1231H6PZIR Texas Instruments 1: $13.58 122In Stock	Mfr. Part No. TM4C1231H6PZIR Mouser Part No 595-TM4C1231H6PZIR	Texas Instruments	ARM Microcontrollers - MCU Tiva C Series MCU A 595-TM4C1231H6PZI A A 595-TM4C1231H6PZI Learn More about Texas Instruments ti tiva C	Datasheet	122In Stock	Cut Tape $13.58 $10.32 $9.90 $8.71 View Reel $7.76 $8.28 $8.01 $7.76 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000	TM4C1231H6PZ	SMD/SMT	LQFP-100	ARM Cortex M4F	256 kB	32 bit	12 bit	80 MHz	69 I/O	32 kB	3.15 V	3.63 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Tiva C Series MCU A 595-TM4C1232H6PMIR A A 595-TM4C1232H6PMIR TM4C1232H6PMI Texas Instruments 1: $18.38 14In Stock	Mfr. Part No. TM4C1232H6PMI Mouser Part No 595-TM4C1232H6PMI	Texas Instruments	ARM Microcontrollers - MCU Tiva C Series MCU A 595-TM4C1232H6PMIR A A 595-TM4C1232H6PMIR Learn More about Texas Instruments ti tiva C	Datasheet	14In Stock	$18.38 $13.97 $13.39 $11.79	Min.: 1 Mult.: 1	TM4C1232H6PM	SMD/SMT	LQFP-64	ARM Cortex M4F	256 kB	32 bit	12 bit	80 MHz	49 I/O	32 kB	3.3 V	3.3 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Tiva C Series MCU A 595-TM4C1233H6PGEIR A 595-TM4C1233H6PGEIR TM4C1233H6PGEI Texas Instruments 1: $20.52 16In Stock	Mfr. Part No. TM4C1233H6PGEI Mouser Part No 595-TM4C1233H6PGEI	Texas Instruments	ARM Microcontrollers - MCU Tiva C Series MCU A 595-TM4C1233H6PGEIR A 595-TM4C1233H6PGEIR Learn More about Texas Instruments ti tiva C	Datasheet	16In Stock	$20.52 $16.57 $15.90 $14.00 View $13.32 $12.70 $12.40 Quote	Min.: 1 Mult.: 1	TM4C1233H6PGE	SMD/SMT	LQFP-144	ARM Cortex M4F	256 kB	32 bit	12 bit	80 MHz	105 I/O	32 kB	3.3 V	3.3 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Tiva C Series Microc ontroller A 595-TM4 A 595-TM4C123FH6PMI7R TM4C123FH6PMI7 Texas Instruments 1: $20.00 3In Stock	Mfr. Part No. TM4C123FH6PMI7 Mouser Part No 595-TM4C123FH6PMI7	Texas Instruments	ARM Microcontrollers - MCU Tiva C Series Microc ontroller A 595-TM4 A 595-TM4C123FH6PMI7R Learn More about Texas Instruments ti tiva C	Datasheet	3In Stock	$20.00 $16.17 $15.49 $12.32	Min.: 1 Mult.: 1	TM4C123FH6PM	SMD/SMT	LQFP-64	ARM Cortex M4F	256 kB	32 bit	12 bit	80 MHz	49 I/O	32 kB	3.15 V	3.63 V	- 40 C	+ 105 C		Tray