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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 ATMEGA48A-AU
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Atmel 8-bit Microcontrollers - MCU AVR 4KB FLSH 256B EE 512B SRAM-20MHz IND
Page 218

Data Sheet
13,398
In Stock
Alternative Packaging
1: $1.98
10: $1.80
25: $1.26
50: $1.17
100: $1.13



Min.: 1
Mult.: 1
AVR 8 bit 20 MHz 4 kB 512 B Yes + 85 C SMD/SMT TQFP-32
Microchip Technology PIC16F628A-I/P
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Microchip Technology 8-bit Microcontrollers - MCU 3.5KB 224 RAM 16 I/O
Page 251

Data Sheet
11,842
In Stock
1: $2.08
10: $1.73
25: $1.67
100: $1.61



Min.: 1
Mult.: 1
PIC 8 bit 20 MHz 3.5 kB 224 B No + 85 C Through Hole PDIP-18
Atmel ATMEGA88A-AU
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Atmel 8-bit Microcontrollers - MCU AVR 8KB FLSH 512B EE 1KB SRAM-20MHz
Data Sheet 11,187
In Stock
Alternative Packaging
1: $2.18
10: $1.98
25: $1.39
50: $1.29
100: $1.24



Min.: 1
Mult.: 1
AVR 8 bit 20 MHz 8 kB 1 kB Yes + 85 C SMD/SMT TQFP-32
Microchip Technology PIC16F886-I/SO
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Microchip Technology 8-bit Microcontrollers - MCU 14KB Flash 368 RAM 25 I/O
Page 252

Data Sheet
9,121
In Stock
Alternative Packaging
1: $2.26
10: $1.88
25: $1.83
100: $1.78



Min.: 1
Mult.: 1
PIC 8 bit 20 MHz 14 kB 368 B Yes + 85 C SMD/SMT SOIC-28
Microchip Technology PIC16F690-I/P
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Microchip Technology 8-bit Microcontrollers - MCU 7KB FL 256R 18 I/O
Page 252

Data Sheet
11,186
In Stock
1: $2.29
10: $1.91
25: $1.75
100: $1.62



Min.: 1
Mult.: 1
PIC 8 bit 20 MHz 7 kB 256 B Yes + 125 C Through Hole PDIP-20
Atmel ATMEGA88PA-AU
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Atmel 8-bit Microcontrollers - MCU 1.8V - 5.5V 20MHz 8KB Programmable
Page 219

Data Sheet
12,532
In Stock
Alternative Packaging
1: $2.40
10: $2.18
25: $1.53
50: $1.42
100: $1.36



Min.: 1
Mult.: 1
AVR 8 bit 20 MHz 8 kB 1 kB Yes + 85 C SMD/SMT TQFP-32
Microchip Technology PIC18F14K50-I/MQ
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Microchip Technology 8-bit Microcontrollers - MCU 16 KB Flash 768 RAM 10-bit ADC USB 2.0
Page 253

Data Sheet
7,888
In Stock
1: $2.45
10: $2.04
25: $1.94
100: $1.84



Min.: 1
Mult.: 1
PIC 8 bit 48 MHz 16 kB 768 B Yes + 125 C SMD/SMT QFN-20
Texas Instruments MSP430F2121IPWR
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595-MSP430F2121IPWR


To purchase full reel, order in multiples of 2000:
Texas Instruments 16-bit Microcontrollers - MCU 16-bit Ult-Lo-Pwr 4kB Flash 256B RAM
Page 274

Data Sheet
14,118
In Stock
Alternative Packaging
Cut Tape
1: $2.59
10: $2.33
25: $2.02
50: $1.90
100: View
2,000: $1.01

MouseReel Available


Min.: 1
Mult.: 1
Reel: 2,000
MSP430 16 bit 16 MHz 4 kB 256 B Yes + 85 C SMD/SMT TSSOP-20
Atmel ATtiny2313-20PU
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Atmel 8-bit Microcontrollers - MCU 2kB Flash 0.128kB EEPROM 18 I/O Pins
Page 217

Data Sheet
9,576
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 Yes + 85 C Through Hole PDIP-20
Microchip Technology PIC16F819-I/SS
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Microchip Technology 8-bit Microcontrollers - MCU 3.5KB 256 RAM 16 I/O
Data Sheet 6,900
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 ATmega48-20AU
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Atmel 8-bit Microcontrollers - MCU 4kB Flash 0.256kB EEPROM 23 I/O Pins
Page 218

Data Sheet
14,922
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 Yes + 85 C SMD/SMT TQFP-32
Atmel AT89S8253-24AU
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Atmel 8-bit Microcontrollers - MCU 12kB Flash 256B RAM 2.7V-5.5V
Page 217

Data Sheet
10,203
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 No + 85 C SMD/SMT TQFP
Atmel AT89S8253-24JU
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Atmel 8-bit Microcontrollers - MCU 12kB Flash 256B RAM 2.7V-5.5V
Page 217

Data Sheet
9,207
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 No + 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
10,704
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 Yes + 85 C SMD/SMT MLF-32
Silicon Labs C8051F330-GM
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Silicon Labs 8-bit Microcontrollers - MCU 8KB 10ADC 20P MCU
Page 265

Data Sheet
5,252
In Stock
Alternative Packaging
1: $3.28
25: $3.16
100: $3.05
1,000: $2.78



Min.: 1
Mult.: 1
8051 8 bit 25 MHz 8 kB 768 B Yes + 85 C SMD/SMT QFN-20
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
7,732
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 Yes + 85 C SMD/SMT QFN-44
Microchip Technology PIC18F46K22-I/PT
Enlarge
Microchip Technology 8-bit Microcontrollers - MCU 64KB Flash 3968B RAM 8b FamilynanoWat XLP
Data Sheet 5,020
In Stock
More Info Available
Alternative Packaging
1: $3.59
10: $2.99
25: $2.74
100: $2.48



Min.: 1
Mult.: 1
PIC 8 bit 64 MHz 64 kB 3896 B Yes + 85 C SMD/SMT TQFP-44
Atmel ATmega8-16AU
Enlarge
Atmel 8-bit Microcontrollers - MCU 8kB Flash 0.5kB EEPROM 23 I/O Pins
Data Sheet 6,773
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 Yes + 85 C SMD/SMT TQFP-32
Atmel 8-bit Microcontrollers - MCU AVR USB 8K FLASH AVR USB 16K FLASH
Data Sheet 7,211
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 Yes + 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
7,777
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 Yes + 125 C SMD/SMT TQFP-64
Freescale Semiconductor MC9S08AC96CFGE
Enlarge
Freescale Semiconductor 8-bit Microcontrollers - MCU 8 Bit 96K FLASH 8K RAM
Page 234

Data Sheet
10,131
In Stock
1: $4.40
10: $4.15
25: $3.92
100: $2.45



Min.: 1
Mult.: 1
S08 8 bit 40 MHz 96 kB 8 kB Yes + 85 C SMD/SMT LQFP-44
Atmel ATmega168-20AU
Enlarge
Atmel 8-bit Microcontrollers - MCU 16kB Flash 0.5kB EEPROM 23 I/O Pins
Page 218

Data Sheet
7,407
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 Yes + 85 C SMD/SMT TQFP-32
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 2,903
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 bit 32 MHz 128 kB 8 kB Yes + 85 C SMD/SMT TQFP-44
Atmel ATmega168-20PU
Enlarge
Atmel 8-bit Microcontrollers - MCU 16kB Flash 0.5kB EEPROM 23 I/O Pins
Page 218

Data Sheet
6,016
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 Yes + 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
7,841
In Stock
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 Yes + 85 C SMD/SMT SOIC-28
Compare up to 20 parts.
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