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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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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
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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
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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
Microchip Technology PIC18LF4550-I/PT
Enlarge
Microchip Technology 8-bit Microcontrollers - MCU 32kBF 2048RM FSUSB2
Page 253

Data Sheet
4,915
In Stock
Alternative Packaging
1: $5.52
10: $4.60
25: $4.49
100: $4.38



Min.: 1
Mult.: 1
PIC 8 bit 48 MHz 32 kB 2 kB Yes + 85 C SMD/SMT TQFP-44
Microchip Technology PIC24FJ128GA106-I/PT
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Microchip Technology 16-bit Microcontrollers - MCU 16B 16MIPS 128KB RAM 53 I/O
Page 254

Data Sheet
4,222
In Stock
Alternative Packaging
1: $5.53
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
Texas Instruments MSP430F2274IDAR
Enlarge
595-MSP430F2274IDAR


To purchase full reel, order in multiples of 2000:
Texas Instruments 16-bit Microcontrollers - MCU 16-bit Ultra-Lo-Pwr Microcontroller
Page 274

Data Sheet
5,308
In Stock
Alternative Packaging
Cut Tape
1: $5.67
10: $5.06
25: $4.55
50: $4.35
100: View
2,000: $2.53

MouseReel Available


Min.: 1
Mult.: 1
Reel: 2,000
MSP430 16 bit 16 MHz 32 kB 1 kB + 85 C SMD/SMT TSSOP-38
Microchip Technology PIC18F2620-I/SO
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Microchip Technology 8-bit Microcontrollers - MCU 64KB 3968 RAM 25 I/O
Page 254

Data Sheet
3,590
In Stock
Alternative Packaging
1: $5.84
10: $4.87
25: $4.76
100: $4.64



Min.: 1
Mult.: 1
PIC 8 bit 40 MHz 64 kB 3968 B Yes + 125 C SMD/SMT SOIC-28
Microchip Technology PIC18F2620-I/SP
Enlarge
Microchip Technology 8-bit Microcontrollers - MCU 64KB 3968 RAM 25 I/O
Page 254

Data Sheet
4,569
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 Yes + 125 C Through Hole SPDIP-28
Texas Instruments MSP430F2274IRHAT
Enlarge
595-MSP430F2274IRHAT


To purchase full reel, order in multiples of 250:
Texas Instruments 16-bit Microcontrollers - MCU 16-bit Ultra-Lo-Pwr Microcontroller
Page 274

Data Sheet
4,607
In Stock
Alternative Packaging
Cut Tape
1: $6.30
10: $5.62
25: $5.06
50: $4.83
Reel
250: $4.16
500: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 250
MSP430 16 bit 16 MHz 32 kB 1 kB + 85 C SMD/SMT VQFN-40
Atmel ATMEGA32U4-AU
Enlarge
Atmel 8-bit Microcontrollers - MCU AVR USB 32K FLASH INDUSTRIAL
Page 219

Data Sheet
22,247
In Stock
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 TQFP-44
Atmel 8-bit Microcontrollers - MCU AVR USB 32K FLASH INDUSTRIAL
Data Sheet 6,437
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 EP
Microchip Technology PIC18F252-I/SP
Enlarge
Microchip Technology 8-bit Microcontrollers - MCU 32KB 1536 RAM 23I/O
Page 253

Data Sheet
3,262
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
Texas Instruments MSP430F5342IRGZT
Enlarge
595-MSP430F5342IRGZT


To purchase full reel, order in multiples of 250:
Texas Instruments 16-bit Microcontrollers - MCU MIXED SIGNAL MCU
Data Sheet 4,649
In Stock
Alternative Packaging
Cut Tape
1: $6.55
10: $5.85
25: $5.26
50: $5.03
Reel
250: $4.32
500: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 250
MSP430 16 bit 25 MHz 128 kB 10 kB + 85 C SMD/SMT VQFN-48
Atmel ATSAM3U2CA-CU
Enlarge
Atmel ARM Microcontrollers - MCU 128K Flash, 36K SRAM 32-bit ARM Cortex M3
Page 221

Data Sheet
3,510
In Stock
1: $6.78
10: $6.11
25: $5.56
50: $5.43
100: View



Min.: 1
Mult.: 1
ARM Cortex M3 32 bit 96 MHz 128 kB 36 kB + 85 C SMD/SMT TFBGA-100
Microchip Technology PIC16F877A-I/PT
Enlarge
Microchip Technology 8-bit Microcontrollers - MCU 14KB 368 RAM 33 I/O
Page 252

Data Sheet
3,419
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 Yes + 85 C SMD/SMT TQFP-44
Texas Instruments MSP430F5419AIPZ
Enlarge
Texas Instruments 16-bit Microcontrollers - MCU 16B Ultra-Low-Pwr Microcontroller
Page 275

Data Sheet
4,546
In Stock
Alternative Packaging
1: $6.93
10: $6.18
25: $5.56
50: $5.32
100: View



Min.: 1
Mult.: 1
MSP430 16 bit 25 MHz 128 kB 16 kB + 85 C SMD/SMT LQFP-100
Atmel ATmega16-16AU
Enlarge
Atmel 8-bit Microcontrollers - MCU 16kB Flash 0.5kB EEPROM 32 I/O Pins
Page 218

Data Sheet
4,309
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-MH
Enlarge
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
3,881
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 ATMEGA324P-20AU
Enlarge
Atmel 8-bit Microcontrollers - MCU AVR 32KB 1KB EE 20MHz 2KB SRAM 5V
Page 219

Data Sheet
4,817
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
Microchip Technology PIC32MX460F512L-80I/PT
Enlarge
Microchip Technology 32-bit Microcontrollers - MCU 512KB Flash 32KBRAM 80MHz 10B ADC DMA
Data Sheet 2,553
In Stock
Alternative Packaging
1: $7.75
10: $6.46
25: $5.92
100: $5.36



Min.: 1
Mult.: 1
MIPS32 M4K 32 bit 80 MHz 512 kB 32 kB + 85 C SMD/SMT TQFP-100
Atmel ATmega644PA-AU
Enlarge
Atmel 8-bit Microcontrollers - MCU 64K Flash 2K EEPROM 4K SRAM 32 IO Pins
Data Sheet 2,960
In Stock
Alternative Packaging
1: $7.81
10: $7.03
25: $6.40
50: $6.25
100: View



Min.: 1
Mult.: 1
AVR 8 bit 20 MHz 64 kB 4 kB Yes + 85 C SMD/SMT TQFP-44
Atmel AT89C51RB2-RLTUM
Enlarge
Atmel 8-bit Microcontrollers - MCU 16kB Flash 1280B RAM 2.7V-5.5V
Page 217

Data Sheet
4,133
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
Atmel ATMEGA644P-20AU
Enlarge
Atmel 8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE 20MHZ 5V
Page 219

Data Sheet
4,680
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 AT89C5131A-RDTUM
Enlarge
Atmel 8-bit Microcontrollers - MCU C5130A 32K Flash
Page 217

Data Sheet
2,995
In Stock
1: $8.63
10: $7.77
25: $7.08
50: $6.90
100: View



Min.: 1
Mult.: 1
80C51 8 bit 48 MHz 1280 B 1.25 kB No + 85 C SMD/SMT VQFP-64
Compare up to 20 parts.
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