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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 PIC18F25K22-I/SS
Enlarge
Microchip Technology 8-bit Microcontrollers - MCU 32KB Flash 1536B RAM 8B nanoWatt
Data Sheet 7,702
In Stock
Alternative Packaging
1: $2.69
10: $2.24
25: $2.05
100: $1.86



Min.: 1
Mult.: 1
PIC 8 bit 16 MHz 32 kB 1.5 kB + 85 C SMD/SMT SSOP-28
Atmel ATtiny2313-20PU
Enlarge
Atmel 8-bit Microcontrollers - MCU 2kB Flash 0.128kB EEPROM 18 I/O Pins
Page 217

Data Sheet
9,130
In Stock
1: $2.73
10: $2.49
25: $1.74
50: $1.62
100: $1.55



Min.: 1
Mult.: 1
AVR 8 bit 20 MHz 2 kB 128 B + 85 C Through Hole PDIP-20
Microchip Technology PIC16F819-I/SS
Enlarge
Microchip Technology 8-bit Microcontrollers - MCU 3.5KB 256 RAM 16 I/O
Data Sheet 6,250
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 + 85 C SMD/SMT SSOP-20
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
14,363
In Stock
Alternative Packaging
1: $2.79
10: $2.54
25: $1.78
50: $1.65
100: $1.59



Min.: 1
Mult.: 1
AVR 8 bit 20 MHz 4 kB 512 B + 85 C SMD/SMT TQFP-32
Atmel AT89S8253-24JU
Enlarge
Atmel 8-bit Microcontrollers - MCU 12kB Flash 256B RAM 2.7V-5.5V
Page 217

Data Sheet
8,801
In Stock
1: $2.86
10: $2.60
25: $1.82
50: $1.69
100: $1.63



Min.: 1
Mult.: 1
8051 8 bit 24 MHz 12 kB 256 B + 85 C SMD/SMT PLCC
Atmel ATMEGA328P-MU
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Atmel 8-bit Microcontrollers - MCU 32KB In-system Flash 20MHz 1.8V-5.5V
Page 219

Data Sheet
9,295
In Stock
Alternative Packaging
1: $3.12
10: $2.84
25: $1.99
50: $1.85
100: $1.77



Min.: 1
Mult.: 1
AVR 8 bit 20 MHz 32 kB 2 kB + 85 C SMD/SMT MLF-32
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.
9,256
In Stock
More Info Available
1: $3.23
10: $2.94
25: $2.06
50: $1.91
100: $1.84



Min.: 1
Mult.: 1
AVR 8 bit 20 MHz 32 kB 2 kB + 85 C Through Hole PDIP-28
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
11,293
In Stock
Alternative Packaging
1: $3.51
10: $3.19
25: $2.23
50: $2.08
100: $2.00



Min.: 1
Mult.: 1
AVR 8 bit/16 bit 32 MHz 32 kB 4 kB + 85 C SMD/SMT TQFP-44
Atmel ATXMEGA32A4U-MH
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
7,611
In Stock
Alternative Packaging
1: $3.51
10: $3.19
25: $2.23
50: $2.08
100: $2.00



Min.: 1
Mult.: 1
AVR 8 bit/16 bit 32 MHz 32 kB 4 kB + 85 C SMD/SMT QFN-44
Atmel ATmega8-16AU
Enlarge
Atmel 8-bit Microcontrollers - MCU 8kB Flash 0.5kB EEPROM 23 I/O Pins
Data Sheet 6,261
In Stock
Alternative Packaging
1: $3.63
10: $3.30
25: $2.31
50: $2.15
100: $2.06



Min.: 1
Mult.: 1
AVR 8 bit 16 MHz 8 kB 1 kB + 85 C SMD/SMT TQFP-32
Atmel 8-bit Microcontrollers - MCU AVR USB 8K FLASH AVR,USB16K FLASH
Data Sheet 6,576
In Stock
More Info Available
Alternative Packaging
1: $3.80
10: $3.45
25: $2.42
50: $2.24
100: $2.16



Min.: 1
Mult.: 1
AVR 8 bit 16 MHz 16 kB 1.25 kB + 85 C SMD/SMT TQFP-32
Atmel 8-bit Microcontrollers - MCU AVR USB 8K FLASH AVR USB 16K FLASH
Data Sheet 7,173
In Stock
More Info Available
Alternative Packaging
1: $3.80
10: $3.45
25: $2.42
50: $2.24
100: $2.16



Min.: 1
Mult.: 1
AVR 8 bit 16 MHz 16 kB 1.25 kB + 85 C SMD/SMT QFN EP
Microchip Technology PIC16F946-I/PT
Enlarge
Microchip Technology 8-bit Microcontrollers - MCU 14 KB 352 RAM
Page 252

Data Sheet
7,725
In Stock
Alternative Packaging
1: $3.82
10: $3.18
25: $2.92
100: $2.64



Min.: 1
Mult.: 1
PIC 8 bit 20 MHz 14 kB 352 B + 125 C SMD/SMT TQFP-64
Atmel ATMEGA8515-16AU
Enlarge
Atmel 8-bit Microcontrollers - MCU 8kB Flash 0.5kB EEPROM 35 I/O Pins
Page 218

Data Sheet
7,515
In Stock
Alternative Packaging
1: $3.85
10: $3.50
25: $2.45
50: $2.28
100: $2.19



Min.: 1
Mult.: 1
AVR 8 bit 16 MHz 8 kB 512 B + 85 C SMD/SMT TQFP-44
Atmel ATmega88-20AU
Enlarge
Atmel 8-bit Microcontrollers - MCU 8kB Flash 0.5kB EEPROM 23 I/O Pins
Page 218

Data Sheet
7,140
In Stock
Alternative Packaging
1: $3.94
10: $3.58
25: $2.51
50: $2.33
100: $2.24



Min.: 1
Mult.: 1
AVR 8 bit 20 MHz 8 kB 1 kB + 85 C SMD/SMT TQFP-32
Atmel 8-bit Microcontrollers - MCU 16 MHz, 85DEG
Data Sheet 6,860
In Stock
1: $3.96
10: $3.60
25: $2.52
50: $2.34
100: $2.25



Min.: 1
Mult.: 1
AVR 8 bit 16 MHz
Freescale Semiconductor MC9S08AC96CFGE
Enlarge
Freescale Semiconductor 8-bit Microcontrollers - MCU 8 Bit 96K FLASH 8K RAM
Page 234

Data Sheet
9,931
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 + 85 C SMD/SMT LQFP-44
Silicon Labs C8051F310-GQ
Enlarge
Silicon Labs 8-bit Microcontrollers - MCU 16KB 10ADC 32P MCU
Page 265

Data Sheet
3,552
In Stock
Alternative Packaging
1: $4.40
25: $4.25
100: $4.10
1,000: $3.75



Min.: 1
Mult.: 1
8051 8 bit 25 MHz 16 kB 1.25 kB + 85 C SMD/SMT LQFP-32
Atmel ATmega168-20AU
Enlarge
Atmel 8-bit Microcontrollers - MCU 16kB Flash 0.5kB EEPROM 23 I/O Pins
Page 218

Data Sheet
7,134
In Stock
Alternative Packaging
1: $4.42
10: $4.02
25: $2.81
50: $2.61
100: $2.51



Min.: 1
Mult.: 1
AVR 8 bit 20 MHz 16 kB 1 kB + 85 C SMD/SMT TQFP-32
Atmel ATMEGA32U2-MU
Enlarge
Atmel 8-bit Microcontrollers - MCU AVR USB 32K FLASH INDUSTRIAL
Data Sheet 5,785
In Stock
Alternative Packaging
1: $4.50
10: $4.09
25: $2.87
50: $2.66
100: $2.56



Min.: 1
Mult.: 1
AVR 8 bit 16 MHz 32 kB 2.5 kB + 85 C SMD/SMT QFN-32
Atmel ATmega168-20PU
Enlarge
Atmel 8-bit Microcontrollers - MCU 16kB Flash 0.5kB EEPROM 23 I/O Pins
Page 218

Data Sheet
5,636
In Stock
1: $4.53
10: $4.12
25: $2.88
50: $2.68
100: $2.58



Min.: 1
Mult.: 1
AVR 8 bit 20 MHz 16 kB 1 kB + 85 C Through Hole PDIP-28
Microchip Technology PIC18F2520-I/SO
Enlarge
Microchip Technology 8-bit Microcontrollers - MCU 32KB 1536 RAM 25I/0
Page 253

Data Sheet
5,236
In Stock
More Info Available
Alternative Packaging
1: $4.57
10: $3.81
25: $3.72
100: $3.63



Min.: 1
Mult.: 1
PIC 8 bit 40 MHz 32 kB 1536 B + 85 C SMD/SMT SOIC-28
Microchip Technology PIC18LF2520-I/SO
Enlarge
Microchip Technology 8-bit Microcontrollers - MCU 32KB 1536 RAM 25I/O
Page 253

Data Sheet
3,355
In Stock
Alternative Packaging
1: $4.80
10: $4.00
25: $3.91
100: $3.81



Min.: 1
Mult.: 1
PIC 8 bit 40 MHz 32 kB 1.5 kB + 85 C SMD/SMT SOIC-28
Microchip Technology PIC18F4520-I/PT
Enlarge
Microchip Technology 8-bit Microcontrollers - MCU 32KB 1536 RAM 36I/O
Page 253

Data Sheet
3,521
In Stock
More Info Available
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 + 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
4,395
In Stock
1: $4.98
10: $4.96
25: $4.94
100: $4.90
500: View



Min.: 1
Mult.: 1
8051 8 bit 60 MHz 16 kB 1280 B + 85 C SMD/SMT VQFP-44
Compare up to 20 parts.
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