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Microcontrollers - MCU

Microcontrollers are in stock with same-day shipping at Mouser. Mouser is an authorized distributor for many leading microcontroller manufacturers including Infineon, Microchip, NXP, Renesas, Silicon Labs, STMicroelectronics, Texas Instruments and more.
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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	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	Packaging
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU EFM8BB10F8G-A-SOIC16R Silicon Labs 1: $1.03 4,880In Stock	Mfr. Part # EFM8BB10F8G-A-SOIC16R Mouser Part # 634-8BB10F8GASO16R	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	4,880In Stock	Cut Tape $1.03 $0.836 $0.759 $0.705 View Reel $0.553 $0.685 $0.652 $0.553 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	SOIC-16	CIP-51 8051	8 bit	25 MHz	8 kB	512 B	12 bit	13 I/O	2.2 V	3.6 V	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 1024 kB MCU EFM32JG12B500F1024GM48-C Silicon Labs 1: $8.09 982In Stock	Mfr. Part # EFM32JG12B500F1024GM48-C Mouser Part # 634-JG12B500FGM48C	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 1024 kB MCU Learn More about Silicon Labs silabs efm32 jade gecko mcu	Datasheet	982In Stock	$8.09 $6.87 $6.33 $6.08 View $5.86 $5.81 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-48	ARM Cortex M3	32 bit	40 MHz	1.02 MB	256 kB	12 bit	33 I/O	1.8 V	3.8 V	+ 85 C	Tray
ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 80 MHz 256 kB AES MCU EFM32PG23B210F256IM48-CR Silicon Labs 1: $3.93 4,539In Stock	Mfr. Part # EFM32PG23B210F256IM48-CR Mouser Part # 634-PG2321F256IM48CR	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 80 MHz 256 kB AES MCU Learn More about Silicon Labs efm32pg23 microcontrollers	Datasheet	4,539In Stock	Cut Tape $3.93 $2.93 $2.68 $2.41 Reel $2.03 View $2.27 $2.22 $2.12 $2.00	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	QFN-48	ARM Cortex M33	32 bit	80 MHz	256 kB	64 kB	12 bit/16 bit/20 bit	34 I/O	1.71 V	3.8 V	+ 125 C	Reel, Cut Tape
ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 80 MHz 64 kB AES MCU EFM32PG23B310F64IM48-C Silicon Labs 1: $3.60 4,858In Stock	Mfr. Part # EFM32PG23B310F64IM48-C Mouser Part # 634-PG23310F64IM48C	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 80 MHz 64 kB AES MCU Learn More about Silicon Labs efm32pg23 microcontrollers	Datasheet	4,858In Stock	$3.60 $2.84 $2.59 $2.33 View $2.20 $2.15 $2.05 $1.96 $1.94	Min.: 1 Mult.: 1	SMD/SMT	QFN-48	ARM Cortex M33	32 bit	80 MHz	64 kB	32 kB	12 bit/16 bit/20 bit	32 I/O	1.71 V	3.8 V	+ 125 C	Tray
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3246PVI-122 Infineon Technologies 1: $10.44 586In Stock	Mfr. Part # CY8C3246PVI-122 Mouser Part # 727-CY8C3246PVI-122	Infineon Technologies	8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	586In Stock	$10.44 $9.23 $7.14 $6.45 View $5.86 $5.85 Quote	Min.: 1 Mult.: 1	SMD/SMT	SSOP-48	8051	8 bit	50 MHz	64 kB	8 kB	12 bit	29 I/O	1.71 V	5.5 V	+ 85 C	Tube
ARM Microcontrollers - MCU 16KB Flash 2KB SRAM PSoC 4 CY8C4014SXI-421T Infineon Technologies 1: $3.39 1,855In Stock	Mfr. Part # CY8C4014SXI-421T Mouser Part # 727-CY8C4014SXI-421T	Infineon Technologies	ARM Microcontrollers - MCU 16KB Flash 2KB SRAM PSoC 4 Learn More about Infineon Technologies cypress psoc 4000 socs	Datasheet	1,855In Stock	Cut Tape $3.39 $2.25 $2.04 $1.79 Reel $1.25 View $1.69 $1.48 $1.30 $1.21 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	SOIC-16	ARM Cortex M0	32 bit	16 MHz	16 kB	2 kB	No ADC	13 I/O	1.71 V	1.89 V	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU PSoC4 CY8C4024LQI-S401 Infineon Technologies 1: $2.23 4,684In Stock	Mfr. Part # CY8C4024LQI-S401 Mouser Part # 727-CY8C4024LQI-S401	Infineon Technologies	ARM Microcontrollers - MCU PSoC4 Learn More about Infineon Technologies cypress psoc 4000 socs	Datasheet	4,684In Stock	$2.23 $1.52 $1.39 $1.27 View $1.20 $1.12 $1.08 $1.07	Min.: 1 Mult.: 1	SMD/SMT	QFN-24	ARM Cortex M0+	32 bit	24 MHz	16 kB	2 kB	10 bit	19 I/O	1.71 V	5.5 V	+ 85 C	Tray
ARM Microcontrollers - MCU PSoC4 CY8C4024LQI-S402 Infineon Technologies 1: $2.28 4,569In Stock	Mfr. Part # CY8C4024LQI-S402 Mouser Part # 727-CY8C4024LQI-S402	Infineon Technologies	ARM Microcontrollers - MCU PSoC4 Learn More about Infineon Technologies cypress psoc 4000 socs	Datasheet	4,569In Stock	$2.28 $1.69 $1.45 $1.38 View $1.31 $1.21 $1.20 $1.14	Min.: 1 Mult.: 1	SMD/SMT	QFN-32	ARM Cortex M0+	32 bit	24 MHz	16 kB	2 kB	10 bit	27 I/O	1.71 V	5.5 V	+ 85 C	Tray
ARM Microcontrollers - MCU PSoC4 CY8C4025LQI-S402 Infineon Technologies 1: $2.64 4,805In Stock	Mfr. Part # CY8C4025LQI-S402 Mouser Part # 727-CY8C4025LQI-S402	Infineon Technologies	ARM Microcontrollers - MCU PSoC4 Learn More about Infineon Technologies cypress psoc 4000 socs	Datasheet	4,805In Stock	$2.64 $1.96 $1.69 $1.61 View $1.55 $1.42 $1.34	Min.: 1 Mult.: 1	SMD/SMT	QFN-32	ARM Cortex M0+	32 bit	24 MHz	32 kB	4 kB	10 bit	27 I/O	1.71 V	5.5 V	+ 85 C	Tray
ARM Microcontrollers - MCU HMI-LEGACY PSOC4 CY8C4124LQI-443T Infineon Technologies 1: $4.48 2,287In Stock	Mfr. Part # CY8C4124LQI-443T Mouser Part # 727-CY8C4124LQI-443T	Infineon Technologies	ARM Microcontrollers - MCU HMI-LEGACY PSOC4 Learn More about Infineon Technologies cypress psoc 4100 mcus	Datasheet	2,287In Stock	Cut Tape $4.48 $3.16 $2.82 $2.51 Reel $2.06 View $2.39 $2.18 $2.07 $1.99 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	UFQFN-40	ARM Cortex M0	32 bit	24 MHz	16 kB	4 kB	12 bit	34 I/O	1.8 V	1.8 V	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 16KB Flash 4KB SRAM PSoC 4 CY8C4124PVI-442T Infineon Technologies 1: $3.72 2,953In Stock	Mfr. Part # CY8C4124PVI-442T Mouser Part # 727-CY8C4124PVI-442T	Infineon Technologies	ARM Microcontrollers - MCU 16KB Flash 4KB SRAM PSoC 4 Learn More about Infineon Technologies cypress psoc 4100 mcus	Datasheet	2,953In Stock	Cut Tape $3.72 $2.80 $2.43 $2.32 Reel $1.90 View $2.20 $1.89	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	SSOP-24	ARM Cortex M0	32 bit	24 MHz	16 kB	4 kB	12 bit	24 I/O	1.8 V	1.8 V	+ 85 C	Reel, Cut Tape
ARM Microcontrollers - MCU 32KB Flash 4KB SRAM PSoC 4 CY8C4125LQI-483 Infineon Technologies 1: $5.25 3,332In Stock	Mfr. Part # CY8C4125LQI-483 Mouser Part # 727-CY8C4125LQI-483	Infineon Technologies	ARM Microcontrollers - MCU 32KB Flash 4KB SRAM PSoC 4 Learn More about Infineon Technologies cypress psoc 4100 mcus	Datasheet	3,332In Stock	$5.25 $3.61 $3.36 $2.96 View $2.81 $2.52 $2.32 $2.22 $2.20	Min.: 1 Mult.: 1	SMD/SMT	UFQFN-40	ARM Cortex M0	32 bit	24 MHz	32 kB	4 kB	12 bit	34 I/O	1.71 V	1.89 V	+ 85 C	Tray
ARM Microcontrollers - MCU 32KB Flash 4KB SRAM PSoC 4 CY8C4125PVI-482 Infineon Technologies 1: $3.94 1,482In Stock	Mfr. Part # CY8C4125PVI-482 Mouser Part # 727-CY8C4125PVI-482	Infineon Technologies	ARM Microcontrollers - MCU 32KB Flash 4KB SRAM PSoC 4 Learn More about Infineon Technologies cypress psoc 4100 mcus	Datasheet	1,482In Stock	$3.94 $3.67 $2.47 $2.41 View $2.26 $2.09 $2.08 $2.07	Min.: 1 Mult.: 1	SMD/SMT	SSOP-28	ARM Cortex M0	32 bit	24 MHz	32 kB	4 kB	12 bit	24 I/O	1.71 V	1.89 V	+ 85 C	Tube
ARM Microcontrollers - MCU PSoC4 CY8C4146FNI-S433T Infineon Technologies 1: $4.67 1,650In Stock	Mfr. Part # CY8C4146FNI-S433T Mouser Part # 727-CY8C4146FNIS433T	Infineon Technologies	ARM Microcontrollers - MCU PSoC4 Learn More about Infineon Technologies cypress psoc 4100 mcus	Datasheet	1,650In Stock	Cut Tape $4.67 $3.54 $3.09 $2.95 Reel $2.57 View $2.94 $2.71 $2.69 $2.44 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	SMD/SMT	WLCSP-35	ARM Cortex M0+	32 bit	48 MHz	64 kB	8 kB	10 bit, 12 bit	31 I/O	1.71 V	5.5 V	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU PSoC 4 L-Series 256 kb Flash CY8C4248LTI-L485 Infineon Technologies 1: $13.55 537In Stock	Mfr. Part # CY8C4248LTI-L485 Mouser Part # 727-CY8C4248LTI-L485	Infineon Technologies	ARM Microcontrollers - MCU PSoC 4 L-Series 256 kb Flash Learn More about Infineon Technologies cypress psoc 4l soc	Datasheet	537In Stock	$13.55 $10.65 $9.49 $9.13 View $8.73 $8.50 $8.43 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-68	ARM Cortex M0	32 bit	48 MHz	256 kB	32 kB	12 bit	57 I/O	1.71 V	5.5 V	+ 85 C	Tray
ARM Microcontrollers - MCU HMI-LEGACY PSOC4 CY8C4248LTQ-L485 Infineon Technologies 1: $14.09 1,011In Stock	Mfr. Part # CY8C4248LTQ-L485 Mouser Part # 727-CY8C4248LTQ-L485	Infineon Technologies	ARM Microcontrollers - MCU HMI-LEGACY PSOC4 Learn More about Infineon Technologies cypress psoc 4l soc	Datasheet	1,011In Stock	$14.09 $11.09 $9.89 $9.52 View $9.11 $8.17	Min.: 1 Mult.: 1	SMD/SMT	QFN-68	ARM Cortex M0	32 bit	48 MHz	256 kB	32 kB	12 bit	57 I/O	1.71 V	5.5 V	+ 105 C	Tray
32-bit Microcontrollers - MCU 32-bit 128KB Flash AT32UC3A1128-AUT Microchip Technology 1: $9.98 254In Stock	Mfr. Part # AT32UC3A1128-AUT Mouser Part # 556-AT32UC3A1128-AUT	Microchip Technology	32-bit Microcontrollers - MCU 32-bit 128KB Flash Learn More about Microchip Technology microchip a0 a1 series mcus	Datasheet	254In Stock	$9.98 $9.05 $8.20	Min.: 1 Mult.: 1	SMD/SMT	TQFP-100	AVR	32 bit	66 MHz	128 kB	32 kB	10 bit	69 I/O	1.65 V	1.95 V	+ 85 C	Tray
8-bit Microcontrollers - MCU MCUs AT89x, 64KB Flash, TQFP-44 AT89C51RD2T-RLRUM Microchip Technology 1: $8.58 2,059In Stock	Mfr. Part # AT89C51RD2T-RLRUM Mouser Part # 556-AT89C51RD2TLRUM	Microchip Technology	8-bit Microcontrollers - MCU MCUs AT89x, 64KB Flash, TQFP-44 Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	2,059In Stock	Cut Tape $8.58 $8.36 Reel $7.13	Min.: 1 Mult.: 1 : 2,000	SMD/SMT	TQFP-44	8051	8 bit	60 MHz	64 kB	2 kB		34 I/O	2.7 V	5.5 V	+ 85 C	Reel, Cut Tape
8-bit Microcontrollers - MCU AVR USB 8K FLASH AVR,USB16K FLASH ATMEGA16U2-AU Microchip Technology 1: $3.24 1,365In Stock	Mfr. Part # ATMEGA16U2-AU Mouser Part # 556-ATMEGA16U2-AU	Microchip Technology	8-bit Microcontrollers - MCU AVR USB 8K FLASH AVR,USB16K FLASH	Datasheet	1,365In Stock	$3.24 $2.97 $2.70	Min.: 1 Mult.: 1	SMD/SMT	TQFP-32	AVR	8 bit	16 MHz	16 kB	512 B	10 bit	22 I/O	2.7 V	5.5 V	+ 85 C	Tray
8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE-20MHZ 5V IND ATMEGA644-20MUR Microchip Technology 1: $7.02 6,306In Stock	Mfr. Part # ATMEGA644-20MUR Mouser Part # 556-ATMEGA644-20MUR	Microchip Technology	8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE-20MHZ 5V IND Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	6,306In Stock	Cut Tape $7.02 $6.83 Reel $5.81	Min.: 1 Mult.: 1 : 4,000	SMD/SMT	VQFN-44	AVR	8 bit	20 MHz	64 kB	4 kB	10 bit	32 I/O	2.7 V	5.5 V	+ 85 C	Reel, Cut Tape
8-bit Microcontrollers - MCU 20 MHz Ind Temp ATMEGA644A-AUR Microchip Technology 1: $5.67 558In Stock	Mfr. Part # ATMEGA644A-AUR Mouser Part # 556-ATMEGA644A-AUR	Microchip Technology	8-bit Microcontrollers - MCU 20 MHz Ind Temp Learn More about Microchip Technology microchip megaavr 8 bit mcus	Datasheet	558In Stock	Cut Tape $5.67 $5.54 Reel $4.71 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	SMD/SMT	TQFP-44	AVR	8 bit	20 MHz	64 kB	4 kB	10 bit	32 I/O	1.8 V	5.5 V	+ 85 C	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 20MHz, 8KB, TQFP ATMEGA808-AUR Microchip Technology 1: $1.17 3,434In Stock	Mfr. Part # ATMEGA808-AUR Mouser Part # 556-ATMEGA808-AUR	Microchip Technology	8-bit Microcontrollers - MCU 20MHz, 8KB, TQFP Learn More about Microchip Technology microchip atmega808 mcu	Datasheet	3,434In Stock	Cut Tape $1.17 $1.15 Reel $0.97	Min.: 1 Mult.: 1 : 2,000	SMD/SMT	TQFP-32	AVR	8 bit	20 MHz	8 kB	1 kB	10 bit	27 I/O	1.8 V	5.5 V	+ 125 C	Reel, Cut Tape
8-bit Microcontrollers - MCU 20MHz, 8KB, TQFP ATMEGA809-AU Microchip Technology 1: $1.45 3,937In Stock	Mfr. Part # ATMEGA809-AU Mouser Part # 556-ATMEGA809-AU	Microchip Technology	8-bit Microcontrollers - MCU 20MHz, 8KB, TQFP Learn More about Microchip Technology microchip atmega809 mcu	Datasheet	3,937In Stock	$1.45 $1.32 $1.20	Min.: 1 Mult.: 1	SMD/SMT	TQFP-48	AVR	8 bit	20 MHz	8 kB	1 kB	10 bit	27 I/O	1.8 V	5.5 V	+ 125 C	Tray
ARM Microcontrollers - MCU LQFP, GREEN, IND TEMP, MRL A ATSAM4N8AA-AUR Microchip Technology 1: $4.88 2,140In Stock	Mfr. Part # ATSAM4N8AA-AUR Mouser Part # 556-ATSAM4N8AA-AUR	Microchip Technology	ARM Microcontrollers - MCU LQFP, GREEN, IND TEMP, MRL A Learn More about Microchip Technology atmel sam4n mcu	Datasheet	2,140In Stock	Cut Tape $4.88 $4.73 Reel $4.02	Min.: 1 Mult.: 1 : 2,000	SMD/SMT	LQFP-48	ARM Cortex M4	32 bit	100 MHz	512 kB	64 kB	10 bit	34 I/O	1.62 V	1.95 V	+ 85 C	Reel, Cut Tape
ARM Microcontrollers - MCU LQFP,GREEN,EXT TEMP,MRL B,T&R ATSAM4SD32BB-ANR Microchip Technology 1: $11.35 2,540In Stock	Mfr. Part # ATSAM4SD32BB-ANR Mouser Part # 556-ATSAM4SD32BB-ANR	Microchip Technology	ARM Microcontrollers - MCU LQFP,GREEN,EXT TEMP,MRL B,T&R Learn More about Microchip Technology atmelsam4s	Datasheet	2,540In Stock	Cut Tape $11.35 $10.96 Reel $9.35	Min.: 1 Mult.: 1 : 1,500	SMD/SMT	LQFP-64	ARM Cortex M4	32 bit	120 MHz	2 MB	160 kB	12 bit	47 I/O	1.62 V	3.6 V	+ 105 C	Reel, Cut Tape