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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 25,265 Matches  

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Compare up to 20 parts.
Select ImageMouser Part # Mfr. Part # Mfr. Description Documents Availability Pricing
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Atmel ATmega168-20AU
 Enlarge
Atmel 8-bit Microcontrollers - MCU 16kB Flash 0.5kB EEPROM 23 I/O Pins
Page 224

Data Sheet
5,509
In Stock
Alternative Packaging
1: $4.86
10: $4.28
25: $4.02
50: $3.41
100: View



Min.: 1
Mult.: 1
AVR 8 bit 20 MHz 16 kB 1 kB + 85 C SMD/SMT TQFP-32
Atmel ATXMEGA128A4U-AU
 Enlarge
Atmel 8-bit Microcontrollers - MCU 44TQFP, IND TEMP GREEN, 1.6-3.6V
This product may require additional documentation to export from the United States.
Data Sheet 5,337
In Stock
Alternative Packaging
1: $4.95
10: $4.36
25: $4.09
50: $3.48
100: View



Min.: 1
Mult.: 1
AVR 8 bit/16 bit 32 MHz 128 kB 8 kB + 85 C SMD/SMT TQFP-44
Atmel ATMEGA32U2-MU
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Atmel 8-bit Microcontrollers - MCU AVR USB 32K FLASH INDUSTRIAL
Data Sheet 5,303
In Stock
Alternative Packaging
1: $4.95
10: $4.36
25: $4.09
50: $3.48
100: View



Min.: 1
Mult.: 1
AVR 8 bit 16 MHz 32 kB 2.5 kB + 85 C SMD/SMT QFN-32
Microchip Technology PIC18F87K22-I/PT
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Microchip Technology 8-bit Microcontrollers - MCU 128kB Flash 4kB RAM
Data Sheet 3,659
In Stock
Alternative Packaging
1: $5.30
10: $4.41
25: $4.05
100: $3.66



Min.: 1
Mult.: 1
PIC 8 bit 64 MHz 256 B 3 kB + 85 C SMD/SMT TQFP-80
Microchip Technology PIC18F4520-E/PT
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Microchip Technology 8-bit Microcontrollers - MCU 32KB 1536 RAM 36I/O
Data Sheet 3,062
In Stock
1: $5.37
10: $4.47
25: $4.37
100: $4.27



Min.: 1
Mult.: 1
PIC 8 bit 40 MHz 32 kB 1536 B + 125 C SMD/SMT TQFP-44
Microchip Technology PIC18LF4550-I/PT
 Enlarge
Microchip Technology 8-bit Microcontrollers - MCU 32kBF 2048RM FSUSB2
Page 259

Data Sheet
3,673
In Stock
Alternative Packaging
1: $5.52
10: $4.60
25: $4.49
100: $4.39



Min.: 1
Mult.: 1
PIC 8 bit 48 MHz 32 kB 2 kB + 85 C SMD/SMT TQFP-44
Atmel ATXMEGA128A1U-AU
 Enlarge
Atmel 8-bit Microcontrollers - MCU 100TQFP, IND TEMP GREEN, 1.6-3.6V
Data Sheet 4,819
In Stock
1: $5.54
10: $4.88
25: $4.58
50: $3.89
100: View



Min.: 1
Mult.: 1
AVR 8 bit/16 bit 32 MHz 128 kB 8 kB + 85 C SMD/SMT TQFP-100
Microchip Technology PIC24FJ128GA106-I/PT
 Enlarge
Microchip Technology 16-bit Microcontrollers - MCU 16B 16MIPS 128KB RAM 53 I/O
Page 260

Data Sheet
4,688
In Stock
Alternative Packaging
1: $5.54
10: $4.61
25: $4.22
100: $3.82



Min.: 1
Mult.: 1
PIC 16 bit 32 MHz 128 kB 16 kB + 85 C SMD/SMT TQFP-64
Silicon Labs C8051F580-IQ
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Silicon Labs 8-bit Microcontrollers - MCU 50MIPS128kB 8kB CAN2 LIN2.1SPI 2xUART I2C
Page 271

Data Sheet
5,133
In Stock
Alternative Packaging
1: $5.67
10: $5.56
25: $5.46
50: $5.36
100: View



Min.: 1
Mult.: 1
8051 8 bit 24 MHz 128 kB 8.25 kB + 125 C SMD/SMT PQFP-48
Silicon Labs C8051F410-GQ
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Silicon Labs 8-bit Microcontrollers - MCU 50 MIPS 32KB 12ADC 32 PIN MCU RTCLOCK
Page 270

Data Sheet
3,104
In Stock
Alternative Packaging
1: $6.04
10: $5.92
25: $5.81
50: $5.71
100: View



Min.: 1
Mult.: 1
8051 8 bit 50 MHz 32 kB 2368 B + 85 C SMD/SMT LQFP-32
Atmel ATXMEGA256D3-AU
 Enlarge
Atmel 8-bit Microcontrollers - MCU 256KB FLASH 4KB EE 16K SRAM 3.6V
Data Sheet 3,723
In Stock
Alternative Packaging
1: $6.05
10: $5.44
25: $4.96
50: $4.74
100: View



Min.: 1
Mult.: 1
AVR 8 bit/16 bit 32 MHz 256 kB 16 kB + 85 C SMD/SMT TQFP-64
Microchip Technology PIC18F2620-I/SP
 Enlarge
Microchip Technology 8-bit Microcontrollers - MCU 64KB 3968 RAM 25 I/O
Page 260

Data Sheet
5,770
In Stock
1: $6.05
10: $5.04
25: $4.92
100: $4.80



Min.: 1
Mult.: 1
PIC 8 bit 32 MHz 64 kB 3968 B + 125 C Through Hole SPDIP-28
Microchip Technology PIC18F4580-I/PT
 Enlarge
Microchip Technology 8-bit Microcontrollers - MCU 32 KB FL 1536 RAM 36 I/O
Page 259

Data Sheet
2,834
In Stock
Alternative Packaging
1: $6.32
10: $5.26
25: $5.13
100: $5.02



Min.: 1
Mult.: 1
PIC 8 bit 40 MHz 32 kB 1536 B + 125 C SMD/SMT TQFP-44
Microchip Technology PIC18LF4620-I/PT
 Enlarge
Microchip Technology 8-bit Microcontrollers - MCU 64KB 3968 RAM 36I/O
Page 260

Data Sheet
3,876
In Stock
Alternative Packaging
1: $6.46
10: $5.38
25: $5.25
100: $5.13



Min.: 1
Mult.: 1
PIC 8 bit 40 MHz 64 kB 3986 B + 85 C SMD/SMT TQFP-44
Microchip Technology PIC24FJ256GB106-I/PT
 Enlarge
Microchip Technology 16-bit Microcontrollers - MCU 16B 16MIPS 256KB I/O RAM52 OTG
Page 260

Data Sheet
5,844
In Stock
Alternative Packaging
1: $6.52
10: $5.43
25: $4.98
100: $4.51



Min.: 1
Mult.: 1
PIC 16 bit 32 MHz 256 kB 16 kB + 85 C SMD/SMT TQFP-64
Texas Instruments CC430F5137IRGZR
 Enlarge
595-CC430F5137IRGZR


To purchase full reel, order in multiples of 2500:
Texas Instruments RF Microcontrollers - MCU 16B Ultra-Lo-Pwr MCU 32KB Flash 4KB RAM
Data Sheet 4,731
In Stock
Alternative Packaging
Cut Tape
1: $6.75
10: $6.08
25: $5.53
100: $5.00
250: View
2,500: $3.44

MouseReel Available


Min.: 1
Mult.: 1
Reel: 2,500
RISC 16 bit 20 MHz 32 kB 4 kB 12 bit + 85 C SMD/SMT VQFN-48
Microchip Technology PIC18F97J60-I/PF
 Enlarge
Microchip Technology 8-bit Microcontrollers - MCU 128KB FLASH 10BASE-T Enet
Page 260

Data Sheet
2,800
In Stock
Alternative Packaging
1: $6.81
10: $5.67
25: $5.19
100: $4.70



Min.: 1
Mult.: 1
PIC 8 bit 41.667 MHz 128 kB 3808 B + 85 C SMD/SMT TQFP-100
Microchip Technology PIC32MX440F256H-80I/PT
 Enlarge
Microchip Technology 32-bit Microcontrollers - MCU 256 KB Flash 32KBRAM 80MHz 10B ADC
Data Sheet 2,986
In Stock
Alternative Packaging
1: $6.81
10: $5.67
25: $5.19
100: $4.70



Min.: 1
Mult.: 1
MIPS32 M4K 32 bit 80 MHz 256 kB 32 kB + 85 C SMD/SMT TQFP-64
Microchip Technology PIC16F877A-I/PT
 Enlarge
Microchip Technology 8-bit Microcontrollers - MCU 14KB 368 RAM 33 I/O
Page 258

Data Sheet
3,225
In Stock
More Info Available
Alternative Packaging
1: $6.84
10: $5.70
25: $5.55
100: $5.40



Min.: 1
Mult.: 1
PIC 8 bit 20 MHz 14 kB 368 B + 85 C SMD/SMT TQFP-44
Atmel ATmega16-16AU
 Enlarge
Atmel 8-bit Microcontrollers - MCU 16kB Flash 0.5kB EEPROM 32 I/O Pins
Page 224

Data Sheet
3,385
In Stock
Alternative Packaging
1: $7.04
10: $6.33
25: $5.77
50: $5.52
100: View



Min.: 1
Mult.: 1
AVR 8 bit 16 MHz 16 kB 1 kB + 85 C SMD/SMT TQFP-44
Microchip Technology PIC32MX440F512H-80I/PT
 Enlarge
Microchip Technology 32-bit Microcontrollers - MCU 512KB Flash 32KBRAM 80MHz 10B ADC DMA
Data Sheet 4,310
In Stock
Alternative Packaging
1: $7.08
10: $5.90
25: $5.41
100: $4.90



Min.: 1
Mult.: 1
MIPS32 M4K 32 bit 80 MHz 512 kB 32 kB + 85 C SMD/SMT TQFP-64
Atmel ATXMEGA256A3U-AU
 Enlarge
Atmel 8-bit Microcontrollers - MCU AVR8 256KB FLSH 16KB
This product may require additional documentation to export from the United States.
Page 226

Data Sheet
4,603
In Stock
1: $7.26
10: $6.53
25: $5.95
50: $5.69
100: View



Min.: 1
Mult.: 1
AVR 8 bit/16 bit 32 MHz 256 kB 16 kB + 85 C SMD/SMT TQFP-64
Atmel ATXMEGA256A3U-MH
 Enlarge
Atmel 8-bit Microcontrollers - MCU AVR8 256KB FLSH 16KB
This product may require additional documentation to export from the United States.
Page 226

Data Sheet
4,897
In Stock
Alternative Packaging
1: $7.26
10: $6.53
25: $5.95
50: $5.69
100: View



Min.: 1
Mult.: 1
AVR 8 bit/16 bit 32 MHz 256 kB 16 kB + 85 C SMD/SMT QFN-64
Atmel ATMEGA324P-20AU
 Enlarge
Atmel 8-bit Microcontrollers - MCU AVR 32KB 1KB EE 20MHz 2KB SRAM 5V
Page 225

Data Sheet
4,151
In Stock
Alternative Packaging
1: $7.38
10: $6.64
25: $6.05
50: $5.78
100: View



Min.: 1
Mult.: 1
AVR 8 bit 20 MHz 32 kB 2 kB + 85 C SMD/SMT TQFP-44
Microchip Technology PIC18F6527-I/PT
 Enlarge
Microchip Technology 8-bit Microcontrollers - MCU 48 KB FL 4K RAM 70 I/O
Page 259

Data Sheet
2,644
In Stock
Alternative Packaging
1: $7.64
10: $6.36
25: $5.83
100: $5.28



Min.: 1
Mult.: 1
PIC 8 bit 40 MHz 48 kB 4 kB + 125 C SMD/SMT TQFP-64
Compare up to 20 parts.
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