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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.
Select ImageMouser Part # Mfr. Part # Mfr. Description Documents Availability Pricing
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Microchip Technology PIC18F4620-I/P
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Microchip Technology 8-bit Microcontrollers - MCU 64KB 3968 RAM 36 I/O
Page 254

Data Sheet
3,341
In Stock
1: $6.25
10: $5.21
25: $5.08
100: $4.96



Min.: 1
Mult.: 1
PIC 8 bit 40 MHz 64 kB 3968 B Yes + 85 C Through Hole PDIP-40
Microchip Technology PIC18F4580-I/PT
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Microchip Technology 8-bit Microcontrollers - MCU 32 KB FL 1536 RAM 36 I/O
Page 253

Data Sheet
2,599
In Stock
More Info Available
Alternative Packaging
1: $6.31
10: $5.26
25: $5.13
100: $5.01



Min.: 1
Mult.: 1
PIC 8 bit 40 MHz 32 kB 1536 B Yes + 125 C SMD/SMT TQFP-44
Atmel ATMEGA32U4-MU
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Atmel 8-bit Microcontrollers - MCU AVR USB 32K FLASH INDUSTRIAL
Data Sheet 7,380
In Stock
More Info Available
Alternative Packaging
1: $6.37
10: $5.74
25: $5.23
50: $5.10
100: View



Min.: 1
Mult.: 1
AVR 8 bit 16 MHz 32 kB 2.5 kB Yes + 85 C SMD/SMT QFN-44
Microchip Technology PIC18F252-I/SP
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Microchip Technology 8-bit Microcontrollers - MCU 32KB 1536 RAM 23I/O
Page 253

Data Sheet
3,050
In Stock
1: $6.53
10: $5.44
25: $5.30
100: $5.15



Min.: 1
Mult.: 1
PIC 8 bit 40 MHz 32 kB 1536 B Yes + 85 C Through Hole SPDIP-28
Microchip Technology PIC32MX440F256H-80I/PT
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Microchip Technology 32-bit Microcontrollers - MCU 256 KB Flash 32KBRAM 80MHz 10B ADC
Data Sheet 4,058
In Stock
Alternative Packaging
1: $6.80
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 PIC18F97J60-I/PF
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Microchip Technology 8-bit Microcontrollers - MCU 128KB FLASH 10BASE-T Enet
Page 254

Data Sheet
4,367
In Stock
Alternative Packaging
1: $6.80
10: $5.67
25: $5.19
100: $4.70



Min.: 1
Mult.: 1
PIC 8 bit 41.667 MHz 128 kB 3808 B Yes + 85 C SMD/SMT TQFP-100
Microchip Technology PIC16F877A-I/PT
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Microchip Technology 8-bit Microcontrollers - MCU 14KB 368 RAM 33 I/O
Page 252

Data Sheet
5,458
In Stock
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 Yes + 85 C SMD/SMT TQFP-44
Microchip Technology PIC32MX440F512H-80I/PT
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Microchip Technology 32-bit Microcontrollers - MCU 512KB Flash 32KBRAM 80MHz 10B ADC DMA
Data Sheet 4,069
In Stock
More Info Available
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 ATmega16-16AU
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Atmel 8-bit Microcontrollers - MCU 16kB Flash 0.5kB EEPROM 32 I/O Pins
Page 218

Data Sheet
3,769
In Stock
Alternative Packaging
1: $7.11
10: $6.40
25: $5.83
50: $5.69
100: View



Min.: 1
Mult.: 1
AVR 8 bit 16 MHz 16 kB 1 kB Yes + 85 C SMD/SMT TQFP-44
Atmel ATXMEGA256A3U-AU
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Atmel 8-bit Microcontrollers - MCU AVR8 256KB FLSH 16KB
This product may require additional documentation to export from the United States.
Page 220

Data Sheet
3,234
In Stock
1: $7.33
10: $6.60
25: $6.01
50: $5.86
100: View



Min.: 1
Mult.: 1
AVR 8 bit/16 bit 32 MHz 256 kB 16 kB Yes + 85 C SMD/SMT TQFP-64
Atmel 8-bit Microcontrollers - MCU AVR8 256KB FLSH 16KB
This product may require additional documentation to export from the United States.
Page 220

Data Sheet
5,296
In Stock
Alternative Packaging
1: $7.33
10: $6.60
25: $6.01
50: $5.86
100: View



Min.: 1
Mult.: 1
AVR 8 bit/16 bit 32 MHz 256 kB 16 kB Yes + 85 C SMD/SMT QFN-64
Atmel AT90CAN32-16AU
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Atmel 8-bit Microcontrollers - MCU CAN AVR UC 32K FLASH SAMPLE
Page 218

Data Sheet
3,471
In Stock
Alternative Packaging
1: $7.36
10: $6.62
25: $6.03
50: $5.89
100: View



Min.: 1
Mult.: 1
AVR 8 bit 16 MHz 32 kB 2 kB Yes + 85 C SMD/SMT TQFP-64
Atmel ATMEGA324P-20AU
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Atmel 8-bit Microcontrollers - MCU AVR 32KB 1KB EE 20MHz 2KB SRAM 5V
Page 219

Data Sheet
4,568
In Stock
Alternative Packaging
1: $7.45
10: $6.70
25: $6.11
50: $5.96
100: View



Min.: 1
Mult.: 1
AVR 8 bit 20 MHz 32 kB 2 kB Yes + 85 C SMD/SMT TQFP-44
Silicon Labs C8051F340-GQ
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Silicon Labs 8-bit Microcontrollers - MCU 48 MIPS 64KB 10ADC
Page 264

Data Sheet
2,770
In Stock
More Info Available
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
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Atmel 8-bit Microcontrollers - MCU 16kB Flash 1280B RAM 2.7V-5.5V
Page 217

Data Sheet
3,575
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 4,065
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
Enlarge
Atmel 8-bit Microcontrollers - MCU 128KB Flash 20MHz 1.8V-5.5V
Page 219

Data Sheet
2,940
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 3,730
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
Enlarge
Atmel 8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE 20MHZ 5V
Page 219

Data Sheet
3,262
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
4,185
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
STMicroelectronics STM32F205RCT6
Enlarge
STMicroelectronics ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 256kB
Page 269

Data Sheet
2,848
In Stock
1: $9.01
10: $8.12
25: $7.39
100: $6.66
250: View



Min.: 1
Mult.: 1
ARM Cortex M3 32 bit 120 MHz 256 kB 96 kB + 85 C SMD/SMT LQFP-64
Atmel AT89C5131A-S3SUM
Enlarge
Atmel 8-bit Microcontrollers - MCU 32K Flash USB Ind 5V
Page 217

Data Sheet
2,829
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
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Atmel RF Microcontrollers - MCU 2.4GHZ 802.15.4 128K SINGLECHIP
Page 219

Data Sheet
2,922
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
4,512
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
1,951
In Stock
More Info Available
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
Compare up to 20 parts.
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