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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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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
4,667
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
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 4,765
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
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Atmel ARM Microcontrollers - MCU 128K Flash, 36K SRAM 32-bit ARM Cortex M3
Page 221

Data Sheet
3,560
In Stock
1: $6.57
10: $5.98
25: $4.18
50: $3.89
100: $3.74



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
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Microchip Technology 8-bit Microcontrollers - MCU 14KB 368 RAM 33 I/O
Page 252

Data Sheet
4,597
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
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
4,516
In Stock
Alternative Packaging
1: $6.89
10: $6.26
25: $4.38
50: $4.07
100: $3.91



Min.: 1
Mult.: 1
AVR 8 bit 16 MHz 16 kB 1 kB 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
5,352
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 ATXMEGA256A3U-MH
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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
4,704
In Stock
Alternative Packaging
1: $7.10
10: $6.46
25: $4.52
50: $4.20
100: $4.04



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
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Atmel 8-bit Microcontrollers - MCU AVR 32KB 1KB EE 20MHz 2KB SRAM 5V
Page 219

Data Sheet
4,900
In Stock
Alternative Packaging
1: $7.22
10: $6.56
25: $4.59
50: $4.27
100: $4.10



Min.: 1
Mult.: 1
AVR 8 bit 20 MHz 32 kB 2 kB Yes + 85 C SMD/SMT TQFP-44
Atmel ATmega644PA-MU
Enlarge
Atmel 8-bit Microcontrollers - MCU 64K Flash 2K EEPROM 4K SRAM 32 IO Pins
Data Sheet Lead-Time 19 Weeks
Alternative Packaging
1: $7.56
10: $6.88
25: $4.81
50: $4.47
100: $4.30



Min.: 1
Mult.: 1
AVR 8 bit 20 MHz 64 kB 4 kB Yes + 85 C SMD/SMT QFN-44
Atmel ATmega644PA-AU
Enlarge
Atmel 8-bit Microcontrollers - MCU 64K Flash 2K EEPROM 4K SRAM 32 IO Pins
Data Sheet 3,661
In Stock
Alternative Packaging
1: $7.56
10: $6.88
25: $4.81
50: $4.47
100: $4.30



Min.: 1
Mult.: 1
AVR 8 bit 20 MHz 64 kB 4 kB 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
2,835
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
Texas Instruments MSP430F5528IRGCT
Enlarge
595-MSP430F5528IRGCT


To purchase full reel, order in multiples of 250:
Texas Instruments 16-bit Microcontrollers - MCU 16B Ultra-Low-Pwr Microcontroller
Data Sheet 3,716
In Stock
Alternative Packaging
Cut Tape
1: $7.98
10: $7.18
25: $6.74
50: $6.55
Reel
250: $5.43
500: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 250
MSP430 16 bit 25 MHz 128 kB 8 kB + 85 C SMD/SMT VQFN-64
Atmel ATMEGA1284P-AU
Enlarge
Atmel 8-bit Microcontrollers - MCU 128KB Flash 20MHz 1.8V-5.5V
Data Sheet 3,041
In Stock
Alternative Packaging
1: $8.21
10: $7.47
25: $5.23
50: $4.85
100: $4.67



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
5,364
In Stock
Alternative Packaging
1: $8.27
10: $7.52
25: $5.26
50: $4.89
100: $4.70



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
3,095
In Stock
1: $8.36
10: $7.60
25: $5.32
50: $4.94
100: $4.75



Min.: 1
Mult.: 1
80C51 8 bit 48 MHz 1280 B 1.25 kB No + 85 C SMD/SMT VQFP-64
Atmel ATSAM3U4CA-AU
Enlarge
Atmel ARM Microcontrollers - MCU 256K Flash, 52K SRAM 32-bit ARM Cortex M3
Page 221

Data Sheet
4,097
In Stock
1: $8.63
10: $7.85
25: $5.49
50: $5.10
100: $4.91



Min.: 1
Mult.: 1
ARM Cortex M3 32 bit 96 MHz 256 kB 52 kB + 85 C SMD/SMT LQFP-100
Atmel ATmega128A-AU
Enlarge
Atmel 8-bit Microcontrollers - MCU 128K Flash 4K EEPROM 4K SRAM 53 IO Pins
Page 219

Data Sheet
5,296
In Stock
Alternative Packaging
1: $9.44
10: $8.58
25: $6.01
50: $5.58
100: $5.37



Min.: 1
Mult.: 1
AVR 8 bit 16 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
4,618
In Stock
1: $9.68
10: $8.80
25: $6.16
50: $5.72
100: $5.50



Min.: 1
Mult.: 1
8051 8 bit 60 MHz 32 kB 1280 B No + 85 C Through Hole PDIL-40
Atmel ATMEGA128RFA1-ZU
Enlarge
Atmel RF Microcontrollers - MCU 2.4GHZ 802.15.4 128K SINGLECHIP
Page 219

Data Sheet
3,891
In Stock
Alternative Packaging
1: $9.68
10: $8.80
25: $6.16
50: $5.72
100: $5.50



Min.: 1
Mult.: 1
AVR 8 bit 16 MHz 128 kB 16 kB + 85 C SMD/SMT QFN
Atmel AT89C51CC01UA-RLTUM
Enlarge
Atmel 8-bit Microcontrollers - MCU CAN Bootloader UART
Page 217

Data Sheet
3,230
In Stock
1: $9.79
10: $8.90
25: $6.23
50: $5.79
100: $5.56



Min.: 1
Mult.: 1
8051 8 bit 40 MHz 32 kB 1280 B Yes + 85 C SMD/SMT VQFP-44
Microchip Technology PIC18F6722-I/PT
Enlarge
Microchip Technology 8-bit Microcontrollers - MCU FLASH MICROCONTROLLER
Page 254

Data Sheet
2,803
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
Silicon Labs C8051F041-GQ
Enlarge
Silicon Labs 8-bit Microcontrollers - MCU 64KB 12ADC CAN 64P MCU
Page 264

Data Sheet
2,559
In Stock
Alternative Packaging
1: $9.98
25: $9.63
100: $9.29
1,000: $8.65



Min.: 1
Mult.: 1
8051 8 bit 25 MHz 64 kB 4.25 kB Yes + 85 C SMD/SMT TQFP-64
Atmel ATSAM3U4EA-AU
Enlarge
Atmel ARM Microcontrollers - MCU 256K Flash, 52K SRAM 32-bit ARM Cortex M3
Page 221

Data Sheet
3,334
In Stock
1: $10.44
10: $9.50
25: $6.65
50: $6.17
100: $5.94



Min.: 1
Mult.: 1
ARM Cortex M3 32 bit 96 MHz 256 kB 52 kB + 85 C SMD/SMT LQFP-144
Atmel AT89C51ED2-RLTUM
Enlarge
Atmel 8-bit Microcontrollers - MCU 64kB Flash 2048B RAM 2.7V-5.5V
Page 217

Data Sheet
5,104
In Stock
1: $10.56
10: $9.60
25: $6.72
50: $6.24
100: $6.00



Min.: 1
Mult.: 1
8051 8 bit 60 MHz 64 kB 2 kB No + 85 C SMD/SMT VQFP-44
Atmel AT89C51ED2-SLSUM
Enlarge
Atmel 8-bit Microcontrollers - MCU 64kB Flash 2048B RAM 2.7V-5.5V
Page 217

Data Sheet
3,028
In Stock
1: $10.56
10: $9.60
25: $6.72
50: $6.24
100: $6.00



Min.: 1
Mult.: 1
8051 8 bit 60 MHz 64 kB 2 kB No + 85 C SMD/SMT PLCC
Compare up to 20 parts.
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