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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

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Compare up to 20 parts.
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Atmel ATMEGA168A-AU
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Atmel 8-bit Microcontrollers - MCU AVR 16KB FL 512B EE 1KB SRAM-20MHz
Page 218

Data Sheet
11,466
In Stock
Alternative Packaging
1: $2.73
10: $2.41
25: $2.26
50: $1.92
100: View



Min.: 1
Mult.: 1
AVR 8 bit 20 MHz 16 kB 1 kB Yes + 85 C SMD/SMT TQFP-32
Microchip Technology PIC16F819-I/SS
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Microchip Technology 8-bit Microcontrollers - MCU 3.5KB 256 RAM 16 I/O
Data Sheet 5,708
In Stock
Alternative Packaging
1: $2.76
10: $2.30
25: $2.22
100: $2.14



Min.: 1
Mult.: 1
PIC 8 bit 20 MHz 3584 B 256 B Yes + 85 C SMD/SMT SSOP-20
Atmel ATXMEGA32E5-AU
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ATXMEGA32E5-AU

New Product
New Product


Atmel 8-bit Microcontrollers - MCU 32TQFP, IND TEMP GREEN,1.6-3.6V
Page 220

Data Sheet
11,246
In Stock
Alternative Packaging
1: $2.88
10: $2.53
25: $2.38
50: $2.02
100: View



Min.: 1
Mult.: 1
AVR 8 bit/16 bit 32 MHz 32 kB 4 kB Yes + 85 C SMD/SMT TQFP-32
Atmel ATmega48-20AU
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Atmel 8-bit Microcontrollers - MCU 4kB Flash 0.256kB EEPROM 23 I/O Pins
Page 218

Data Sheet
11,171
In Stock
Alternative Packaging
1: $3.07
10: $2.70
25: $2.54
50: $2.15
100: View



Min.: 1
Mult.: 1
AVR 8 bit 20 MHz 4 kB 512 B Yes + 85 C SMD/SMT TQFP-32
Microchip Technology PIC18F45K22-I/PT
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Microchip Technology 8-bit Microcontrollers - MCU 32KB Flash 1536B RAM 8B nanoWatt
Data Sheet 7,061
In Stock
Alternative Packaging
1: $3.12
10: $2.60
25: $2.39
100: $2.16



Min.: 1
Mult.: 1
PIC 8 bit 64 MHz 32 kB 1.5 kB Yes + 85 C SMD/SMT TQFP-44
Atmel AT89S8253-24JU
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Atmel 8-bit Microcontrollers - MCU 12kB Flash 256B RAM 2.7V-5.5V
Page 217

Data Sheet
8,525
In Stock
1: $3.14
10: $2.77
25: $2.60
50: $2.21
100: View



Min.: 1
Mult.: 1
8051 8 bit 24 MHz 12 kB 256 B No + 85 C SMD/SMT PLCC
Microchip Technology PIC18F26K22-I/SO
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Microchip Technology 8-bit Microcontrollers - MCU 64KB Flash 3968B RAM 8b FamilynanoWat XLP
Data Sheet 7,908
In Stock
Alternative Packaging
1: $3.19
10: $2.66
25: $2.44
100: $2.21



Min.: 1
Mult.: 1
PIC 8 bit 64 MHz 64 kB 3.9 kB Yes + 85 C SMD/SMT SOIC-28
Microchip Technology PIC18F26K22-I/SP
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Microchip Technology 8-bit Microcontrollers - MCU 64KB Flash 3968B RAM 8b FamilynanoWat XLP
Page 254

Data Sheet
5,355
In Stock
1: $3.42
10: $2.85
25: $2.61
100: $2.37



Min.: 1
Mult.: 1
PIC 8 bit 64 MHz 64 kB 3896 B Yes + 85 C Through Hole SPDIP-28
Atmel ATMEGA328P-PU
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Atmel 8-bit Microcontrollers - MCU 32KB In-system Flash 20MHz 1.8V-5.5V
Page 219

Data Sheet

Product Info.
13,284
In Stock
More Info Available
1: $3.55
10: $3.13
25: $2.93
50: $2.49
100: View



Min.: 1
Mult.: 1
AVR 8 bit 20 MHz 32 kB 2 kB Yes + 85 C Through Hole PDIP-28
Atmel ATXMEGA32A4U-MH
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Atmel 8-bit Microcontrollers - MCU AVR8 32KB FLSH 4KB
This product may require additional documentation to export from the United States.
Page 220

Data Sheet
6,864
In Stock
Alternative Packaging
1: $3.86
10: $3.40
25: $3.19
50: $2.71
100: View



Min.: 1
Mult.: 1
AVR 8 bit/16 bit 32 MHz 32 kB 4 kB Yes + 85 C SMD/SMT QFN-44
Atmel ATXMEGA32A4U-AU
Enlarge
Atmel 8-bit Microcontrollers - MCU AVR8 32KB FLSH 4KB
This product may require additional documentation to export from the United States.
Page 220

Data Sheet
8,665
In Stock
Alternative Packaging
1: $3.86
10: $3.40
25: $3.19
50: $2.71
100: View



Min.: 1
Mult.: 1
AVR 8 bit/16 bit 32 MHz 32 kB 4 kB Yes + 85 C SMD/SMT TQFP-44
Atmel ATMEGA8U2-MU
Enlarge
Atmel 8-bit Microcontrollers - MCU AVR USB 8K FLASH AVR USB 8K FLASH OPT
Page 219

Data Sheet
7,328
In Stock
Alternative Packaging
1: $4.16
10: $3.66
25: $3.43
50: $2.92
100: View



Min.: 1
Mult.: 1
AVR 8 bit 16 MHz 8 kB 1 kB Yes + 85 C SMD/SMT QFN EP
Atmel 8-bit Microcontrollers - MCU AVR USB 8K FLASH AVR,USB16K FLASH
Data Sheet 8,390
In Stock
Alternative Packaging
1: $4.17
10: $3.67
25: $3.45
50: $2.93
100: View



Min.: 1
Mult.: 1
AVR 8 bit 16 MHz 16 kB 1.25 kB Yes + 85 C SMD/SMT TQFP-32
Atmel 8-bit Microcontrollers - MCU AVR USB 8K FLASH AVR USB 16K FLASH
Data Sheet 11,775
In Stock
Alternative Packaging
1: $4.17
10: $3.67
25: $3.45
50: $2.93
100: View



Min.: 1
Mult.: 1
AVR 8 bit 16 MHz 16 kB 1.25 kB Yes + 85 C SMD/SMT QFN EP
Atmel ATMEGA8515-16AU
Enlarge
Atmel 8-bit Microcontrollers - MCU 8kB Flash 0.5kB EEPROM 35 I/O Pins
Page 218

Data Sheet
6,806
In Stock
Alternative Packaging
1: $4.23
10: $3.72
25: $3.49
50: $2.97
100: View



Min.: 1
Mult.: 1
AVR 8 bit 16 MHz 8 kB 512 B Yes + 85 C SMD/SMT TQFP-44
Freescale Semiconductor MC9S08AC96CFGE
Enlarge
Freescale Semiconductor 8-bit Microcontrollers - MCU 8 Bit 96K FLASH 8K RAM
Page 234

Data Sheet
9,916
In Stock
1: $4.33
10: $4.08
25: $3.85
100: $2.65



Min.: 1
Mult.: 1
S08 8 bit 40 MHz 96 kB 8 kB Yes + 85 C SMD/SMT LQFP-44
Atmel ATmega88-20AU
Enlarge
Atmel 8-bit Microcontrollers - MCU 8kB Flash 0.5kB EEPROM 23 I/O Pins
Page 218

Data Sheet
6,568
In Stock
Alternative Packaging
1: $4.33
10: $3.81
25: $3.58
50: $3.04
100: View



Min.: 1
Mult.: 1
AVR 8 bit 20 MHz 8 kB 1 kB Yes + 85 C SMD/SMT TQFP-32
Microchip Technology PIC24FJ64GB004-I/PT
Enlarge
Microchip Technology 16-bit Microcontrollers - MCU 64KB Flash 8KB RAM nanoWatt
Data Sheet 6,562
In Stock
Alternative Packaging
1: $4.49
10: $3.74
25: $3.43
100: $3.10



Min.: 1
Mult.: 1
PIC 16 bit 32 MHz 64 kB 8 kB + 85 C SMD/SMT TQFP-44
Atmel ATmega168-20AU
Enlarge
Atmel 8-bit Microcontrollers - MCU 16kB Flash 0.5kB EEPROM 23 I/O Pins
Page 218

Data Sheet
6,813
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 Yes + 85 C SMD/SMT TQFP-32
Microchip Technology PIC18F4520-I/PT
Enlarge
Microchip Technology 8-bit Microcontrollers - MCU 32KB 1536 RAM 36I/O
Page 253

Data Sheet
4,706
In Stock
Alternative Packaging
1: $4.88
10: $4.07
25: $3.97
100: $3.87



Min.: 1
Mult.: 1
PIC 8 bit 40 MHz 32 kB 1536 B Yes + 85 C SMD/SMT TQFP-44
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 5,669
In Stock
More Info Available
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 Yes + 85 C SMD/SMT TQFP-44
Atmel ATMEGA32U2-MU
Enlarge
Atmel 8-bit Microcontrollers - MCU AVR USB 32K FLASH INDUSTRIAL
Data Sheet 5,761
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 Yes + 85 C SMD/SMT QFN-32
NXP Semiconductors P89LPC936FDH,518
Enlarge
771-LPC936FDH518


To purchase full reel, order in multiples of 2500:
NXP Semiconductors 8-bit Microcontrollers - MCU 16K FL/768B
Page 259

Data Sheet
5,436
In Stock
Cut Tape
1: $5.17
10: $4.16
100: $3.79
250: $3.42
Reel
2,500: $2.46
5,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 2,500
80C51 8 bit 18 MHz 16 kB 768 B Yes + 85 C SMD/SMT TSSOP-28
Atmel ATMEGA16A-AU
Enlarge
Atmel 8-bit Microcontrollers - MCU 16KB In-system Flash 2.7V - 5.5V
Page 218

Data Sheet
5,327
In Stock
Alternative Packaging
1: $5.22
10: $4.60
25: $4.31
50: $3.67
100: View



Min.: 1
Mult.: 1
AVR 8 bit 16 MHz 16 kB 1 kB Yes + 85 C SMD/SMT TQFP-44
Silicon Labs C8051F320-GQ
Enlarge
Silicon Labs 8-bit Microcontrollers - MCU 16KB 10ADC USB 32P MCU Rev E
Page 264

Data Sheet
4,578
In Stock
Alternative Packaging
1: $5.37
25: $5.18
100: $5.00
1,000: $4.56



Min.: 1
Mult.: 1
8051 8 bit 25 MHz 16 kB 2.25 kB Yes + 85 C SMD/SMT LQFP-32
Compare up to 20 parts.
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