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All Products > Semiconductors > Integrated Circuits - ICs > Embedded Processors & Controllers > Microcontrollers - MCU
Microcontrollers (MCUs) are available at Mouser Electronics from industry leading microcontroller manufacturers. Mouser is an authorized distributor for Atmel, Freescale, Microchip, NXP, Silicon Labs, STMicroelectronics, Texas Instruments & many more. View our wide selection of microcontrollers below. View our Newest Microcontrollers page.
Category   Semiconductors >  Integrated Circuits - ICs >  Embedded Processors & Controllers >  Microcontrollers - MCU

Available Filters 23,999 Matches  

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Compare up to 20 parts.
Select ImageMouser Part # Mfr. Part # Mfr. Description Documents Availability Pricing
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Quantity RoHS Core Data Bus Width Maximum Clock Frequency Program Memory Size Data RAM Size On-Chip ADC Maximum Operating Temperature Mounting Style Package / Case
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Microchip Technology PIC18F4680-I/PT
Enlarge
Microchip Technology 8-bit Microcontrollers - MCU 64KB 3328 RAM w/ECAN
Page 254

Data Sheet
4,504
In Stock
More Info Available
Alternative Packaging
1: $7.58
10: $6.32
25: $6.17
100: $6.02



Min.: 1
Mult.: 1
PIC 8 bit 40 MHz 64 kB 3328 B Yes + 85 C SMD/SMT TQFP-44
Silicon Labs C8051F340-GQ
Enlarge
Silicon Labs 8-bit Microcontrollers - MCU 48 MIPS 64KB 10ADC
Page 264

Data Sheet
4,332
In Stock
Alternative Packaging
1: $7.71
25: $7.44
100: $7.18
1,000: $6.56



Min.: 1
Mult.: 1
8051 8 bit 48 MHz 64 kB 4352 B Yes + 85 C SMD/SMT TQFP-48
Atmel AT89C51RB2-RLTUM
Enlarge
Atmel 8-bit Microcontrollers - MCU 16kB Flash 1280B RAM 2.7V-5.5V
Page 217

Data Sheet
3,693
In Stock
1: $7.95
10: $7.15
25: $6.52
50: $6.36
100: View



Min.: 1
Mult.: 1
8051 8 bit 60 MHz 16 kB 1280 B No + 85 C SMD/SMT VQFP-44
STMicroelectronics STM32F103RCT6
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STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 H/D 256 to 512 USB/CAN
Data Sheet 4,284
In Stock
Alternative Packaging
1: $8.19
10: $7.38
25: $6.71
100: $6.06
250: View



Min.: 1
Mult.: 1
ARM Cortex M3 32 bit 72 MHz 256 kB 48 kB + 85 C SMD/SMT LQFP-64
Atmel ATMEGA1284P-MU
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Atmel 8-bit Microcontrollers - MCU 128KB Flash 20MHz 1.8V-5.5V
Page 219

Data Sheet
2,952
In Stock
Alternative Packaging
1: $8.48
10: $7.63
25: $6.95
50: $6.78
100: View



Min.: 1
Mult.: 1
AVR 8 bit 20 MHz 128 kB 16 kB Yes + 85 C SMD/SMT VQFN-44
Atmel ATMEGA1284P-AU
Enlarge
Atmel 8-bit Microcontrollers - MCU 128KB Flash 20MHz 1.8V-5.5V
Data Sheet 3,993
In Stock
Alternative Packaging
1: $8.48
10: $7.63
25: $6.95
50: $6.78
100: View



Min.: 1
Mult.: 1
AVR 8 bit 20 MHz 128 kB 16 kB Yes + 85 C SMD/SMT TQFP-44
Atmel ATMEGA644P-20AU
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Atmel 8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE 20MHZ 5V
Page 219

Data Sheet
3,518
In Stock
Alternative Packaging
1: $8.54
10: $7.68
25: $7.00
50: $6.83
100: View



Min.: 1
Mult.: 1
AVR 8 bit 20 MHz 64 kB 4 kB Yes + 85 C SMD/SMT TQFP-44
Atmel ATSAM3U4CA-AU
Enlarge
Atmel ARM Microcontrollers - MCU 256K Flash, 52K SRAM 32-bit ARM Cortex M3
Page 221

Data Sheet
4,195
In Stock
1: $8.91
10: $8.02
25: $7.31
50: $7.13
100: View



Min.: 1
Mult.: 1
ARM Cortex M3 32 bit 96 MHz 256 kB 52 kB + 85 C SMD/SMT LQFP-100
Microchip Technology PIC24HJ256GP610-I/PF
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Microchip Technology 16-bit Microcontrollers - MCU 16 Bit MCU 100LD 40 MIPS 256KB Flash
Page 254

Data Sheet
2,111
In Stock
Alternative Packaging
1: $8.98
10: $7.48
25: $6.85
100: $6.21



Min.: 1
Mult.: 1
PIC 16 bit 32 kHz 256 kB 16 kB + 85 C SMD/SMT TQFP-100
Atmel AT89C5131A-S3SUM
Enlarge
Atmel 8-bit Microcontrollers - MCU 32K Flash USB Ind 5V
Page 217

Data Sheet
2,834
In Stock
1: $9.08
10: $8.18
25: $7.45
50: $7.27
100: View



Min.: 1
Mult.: 1
80C51 8 bit 48 MHz 1280 B 1.25 kB No + 85 C SMD/SMT PLCC-52
Atmel ATMEGA128RFA1-ZU
Enlarge
Atmel RF Microcontrollers - MCU 2.4GHZ 802.15.4 128K SINGLECHIP
Page 219

Data Sheet
2,933
In Stock
Alternative Packaging
1: $9.59
10: $8.79
25: $7.99
50: $7.48
100: View



Min.: 1
Mult.: 1
AVR 8 bit 16 MHz 128 kB 16 kB + 85 C SMD/SMT VQFN-64
Atmel ATmega128A-AU
Enlarge
Atmel 8-bit Microcontrollers - MCU 128K Flash 4K EEPROM 4K SRAM 53 IO Pins
Page 219

Data Sheet
4,793
In Stock
Alternative Packaging
1: $9.75
10: $8.77
25: $7.99
50: $7.80
100: View



Min.: 1
Mult.: 1
AVR 8 bit 16 MHz 128 kB 4 kB Yes + 85 C SMD/SMT TQFP-64
Microchip Technology PIC18F6722-I/PT
Enlarge
Microchip Technology 8-bit Microcontrollers - MCU FLASH MICROCONTROLLER
Page 254

Data Sheet
2,399
In Stock
Alternative Packaging
1: $9.88
10: $8.23
25: $8.04
100: $7.84



Min.: 1
Mult.: 1
PIC 8 bit 8 MHz 128 kB 4 kB Yes + 85 C SMD/SMT TQFP-64
Atmel AT89C51RC2-3CSUM
Enlarge
Atmel 8-bit Microcontrollers - MCU 32kB Flash 1280B RAM 2.7V-5.5V
Page 217

Data Sheet
3,195
In Stock
More Info Available
1: $9.99
10: $8.99
25: $8.20
50: $7.99
100: View



Min.: 1
Mult.: 1
8051 8 bit 60 MHz 32 kB 1280 B No + 85 C Through Hole PDIL-40
Atmel AT90CAN128-16MU
Enlarge
Atmel 8-bit Microcontrollers - MCU AVRC11N AVR UC 128K FLASH
Data Sheet 2,498
In Stock
Alternative Packaging
1: $10.30
10: $9.36
25: $8.66
50: $8.24
100: View



Min.: 1
Mult.: 1
AVR 8 bit 16 MHz 128 kB 4 kB Yes + 85 C SMD/SMT QFN-64
Atmel AT90CAN128-16AU
Enlarge
Atmel 8-bit Microcontrollers - MCU 128kB Flash 4kB EEPROM 53 I/O Pins
Page 218

Data Sheet
3,270
In Stock
More Info Available
Alternative Packaging
1: $10.30
10: $9.36
25: $8.66
50: $8.24
100: View



Min.: 1
Mult.: 1
AVR 8 bit 16 MHz 128 kB 4 kB Yes + 85 C SMD/SMT TQFP-64
Texas Instruments MSP430F149IPMR
Enlarge
595-430F149IPMR


To purchase full reel, order in multiples of 1000:
Texas Instruments 16-bit Microcontrollers - MCU 60 kB Flash 2KB RAM 12b ADC-2 USART-HW
Data Sheet 2,457
In Stock
Alternative Packaging
Cut Tape
1: $10.48
10: $9.43
25: $8.85
50: $8.59
100: View
1,000: $5.24

MouseReel Available


Min.: 1
Mult.: 1
Reel: 1,000
MSP430 16 bit 8 MHz 60 kB 2 kB + 85 C SMD/SMT LQFP-64
Microchip Technology PIC18F8722-I/PT
Enlarge
Microchip Technology 8-bit Microcontrollers - MCU 128 KB FL 4K RAM 70 I/O
Page 254

Data Sheet
2,952
In Stock
More Info Available
Alternative Packaging
1: $10.49
10: $8.74
25: $8.53
100: $8.32



Min.: 1
Mult.: 1
PIC 8 bit 40 MHz 128 kB 4 kB Yes + 125 C SMD/SMT TQFP-80
Atmel ATSAM3U4EA-AU
Enlarge
Atmel ARM Microcontrollers - MCU 256K Flash, 52K SRAM 32-bit ARM Cortex M3
Page 221

Data Sheet
3,112
In Stock
1: $10.78
10: $9.71
25: $8.84
50: $8.63
100: View



Min.: 1
Mult.: 1
ARM Cortex M3 32 bit 96 MHz 256 kB 52 kB + 85 C SMD/SMT LQFP-144
Silicon Labs C8051F005-GQ
Enlarge
Silicon Labs 8-bit Microcontrollers - MCU 32KB 12ADC
Page 264

Data Sheet
1,399
In Stock
Alternative Packaging
1: $10.85
25: $10.48
100: $10.10
1,000: $9.41



Min.: 1
Mult.: 1
8051 8 bit 25 MHz 32 kB 2.25 kB Yes + 85 C SMD/SMT TQFP-64
Atmel AT89C51ED2-SLSUM
Enlarge
Atmel 8-bit Microcontrollers - MCU 64kB Flash 2048B RAM 2.7V-5.5V
Page 217

Data Sheet
2,379
In Stock
1: $10.90
10: $9.81
25: $8.94
50: $8.72
100: View



Min.: 1
Mult.: 1
8051 8 bit 60 MHz 64 kB 2 kB No + 85 C SMD/SMT PLCC
Atmel AT89C51ED2-RLTUM
Enlarge
Atmel 8-bit Microcontrollers - MCU 64kB Flash 2048B RAM 2.7V-5.5V
Page 217

Data Sheet
4,816
In Stock
1: $10.90
10: $9.81
25: $8.94
50: $8.72
100: View



Min.: 1
Mult.: 1
8051 8 bit 60 MHz 64 kB 2 kB No + 85 C SMD/SMT VQFP-44
Cypress Semiconductor CY7C68013A-56PVXC
Enlarge
Cypress Semiconductor 8-bit Microcontrollers - MCU EZ USB FX2LP LO PWR LO COM
Page 228

Data Sheet
2,119
In Stock
Alternative Packaging
1: $10.91
10: $9.92
25: $9.42
100: $8.92
250: View



Min.: 1
Mult.: 1
8051 8 bit/16 bit 48 MHz 16 kB No + 70 C SMD/SMT SSOP-56
Atmel ATMEGA640-16AU
Enlarge
Atmel 8-bit Microcontrollers - MCU 64kB Flash 4kB EEPROM 86 I/O Pins
Page 219

Data Sheet
2,258
In Stock
Alternative Packaging
1: $10.98
10: $9.98
25: $9.23
50: $8.78
100: View



Min.: 1
Mult.: 1
AVR 8 bit 16 MHz 64 kB 8 kB Yes + 85 C SMD/SMT TQFP-100
Microchip Technology PIC18LF8722-I/PT
Enlarge
Microchip Technology 8-bit Microcontrollers - MCU 128 KB FL 4K RAM 70 I/O
Page 254

Data Sheet
1,583
In Stock
Alternative Packaging
1: $11.00
10: $9.17
25: $8.95
100: $8.74



Min.: 1
Mult.: 1
PIC 8 bit 40 MHz 128 kB 3936 B Yes + 85 C SMD/SMT TQFP-80
Compare up to 20 parts.
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