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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

Available Filters 27,095 Matches  

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Compare up to 20 parts.
Select ImageMouser Part # Mfr. Part # Mfr. Description Documents Availability Pricing
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Quantity RoHS Core Data Bus Width Maximum Clock Frequency Program Memory Size Data RAM Size Maximum Operating Temperature Mounting Style Package / Case
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Freescale Semiconductor S9S12GN32F1MLC
 Enlarge
Freescale Semiconductor 16-bit Microcontrollers - MCU 16b,32k Flash,2k RAM
Data Sheet 20,179
In Stock
Alternative Packaging
1: $3.08
10: $2.75
25: $2.59
100: $2.48
250: View



Min.: 1
Mult.: 1
HCS12 16 bit 25 MHz 32 kB 2 kB + 125 C SMD/SMT QFP-32
Microchip Technology PIC12F675T-I/SN
 Enlarge
579-PIC12F675T-I/SN


To purchase full reel, order in multiples of 3300:
Microchip Technology 8-bit Microcontrollers - MCU 1.75KB 64 RAM 6 I/O Ind Temp SOIC8
Data Sheet 31,335
In Stock
Alternative Packaging
Cut Tape
1: $1.17
10: $0.97
25: $0.94
100: $0.92
Reel
3,300: $0.92

MouseReel Available


Min.: 1
Mult.: 1
Reel: 3,300
PIC 8 bit 20 MHz 1024 B 64 B + 85 C SMD/SMT SOIC-8
Atmel AT89C2051-24PU
 Enlarge
Atmel 8-bit Microcontrollers - MCU 2kB Flash 128B RAM 24MHz 2.7V-6.0V
Page 223

Data Sheet
21,905
In Stock
1: $1.21
10: $1.11
25: $1.00
50: $0.85
100: View



Min.: 1
Mult.: 1
8051 8 bit 24 MHz 2 kB 128 B + 85 C Through Hole PDIP-20
Atmel ATTINY44A-SSU
 Enlarge
Atmel 8-bit Microcontrollers - MCU 1.8V, 20MHz Industrial Temp
Data Sheet 19,110
In Stock
Alternative Packaging
1: $1.30
10: $1.20
25: $1.08
50: $0.918
100: View



Min.: 1
Mult.: 1
AVR 8 bit 20 MHz 4 kB 256 B + 85 C SMD/SMT SOIC-14
Atmel ATtiny85-20SU
 Enlarge
Atmel 8-bit Microcontrollers - MCU AVR 8K FLSH 512B EE 512B SRAM ADC 5V
Page 224

Data Sheet
19,963
In Stock
Alternative Packaging
1: $1.33
10: $1.22
25: $1.10
50: $0.935
100: View



Min.: 1
Mult.: 1
AVR 8 bit 20 MHz 8 kB 512 B + 85 C SMD/SMT SOIC-8
Atmel ATTINY2313A-PU
 Enlarge
Atmel 8-bit Microcontrollers - MCU 2K FLASH 128B EE 128B SRAM 1 UART
Page 224

Data Sheet
29,784
In Stock
1: $1.47
10: $1.35
25: $1.22
50: $1.03
100: View



Min.: 1
Mult.: 1
AVR 8 bit 20 MHz 2 kB 128 B + 85 C Through Hole PDIP-20
Microchip Technology PIC16F688-I/P
 Enlarge
Microchip Technology 8-bit Microcontrollers - MCU 7KB 256 RAM 12 I/O
Page 258

Data Sheet
9,864
In Stock
1: $1.67
10: $1.39
25: $1.36
100: $1.32



Min.: 1
Mult.: 1
PIC 8 bit 20 MHz 7 kB 256 B + 85 C Through Hole PDIP-14
Microchip Technology PIC18F26K20-I/ML
 Enlarge
Microchip Technology 8-bit Microcontrollers - MCU 64KBFlash 3968 RAM25 I/O 8B Family PbFree
Page 260

Data Sheet
10,156
In Stock
Alternative Packaging
1: $2.92
10: $2.43
25: $2.23
100: $2.02



Min.: 1
Mult.: 1
PIC 8 bit 64 MHz 64 kB 3936 B + 85 C SMD/SMT QFN-28
Microchip Technology PIC16F1947-I/PT
 Enlarge
Microchip Technology 8-bit Microcontrollers - MCU 28KB Flash, 1KB RAM LCD, 1.8-5.5V
Data Sheet 6,895
In Stock
Alternative Packaging
1: $3.02
10: $2.51
25: $2.30
100: $2.08



Min.: 1
Mult.: 1
PIC 8 bit 32 MHz 28 kB 1024 B + 85 C SMD/SMT TQFP-64
Atmel ATmega48-20AU
 Enlarge
Atmel 8-bit Microcontrollers - MCU 4kB Flash 0.256kB EEPROM 23 I/O Pins
Page 224

Data Sheet
9,140
In Stock
Alternative Packaging
1: $3.07
10: $2.70
25: $2.54
50: $2.15
100: View



Min.: 1
Mult.: 1
AVR 8 bit 20 MHz 4 kB 512 B + 85 C SMD/SMT TQFP-32
Atmel ATMEGA328-AU
 Enlarge
Atmel 8-bit Microcontrollers - MCU AVR 32K FLSH, 1K EE 2K SRAM - 20 MHz
Data Sheet 17,152
In Stock
Alternative Packaging
1: $3.12
10: $2.75
25: $2.58
50: $2.19
100: View



Min.: 1
Mult.: 1
AVR 8 bit 20 MHz 32 kB 2 kB + 85 C SMD/SMT TQFP-32
Atmel ATMEGA328-PU
 Enlarge
Atmel 8-bit Microcontrollers - MCU AVR 32K FLSH 1K EE2K SRAM-20MHz IND
Page 225

Data Sheet
12,132
In Stock
1: $3.24
10: $2.85
25: $2.68
50: $2.27
100: View



Min.: 1
Mult.: 1
AVR 8 bit 20 MHz 32 kB 2 kB + 85 C Through Hole PDIP-28
NXP Semiconductors LPC810M021FN8FP
LPC810M021FN8FP

New Technology
New Technology


NXP Semiconductors ARM Microcontrollers - MCU 32-bit ARM CortexM0+ Microcontroller
Page 263

Data Sheet
11,120
In Stock
1: $3.27
10: $2.63
100: $2.39
250: $2.16
500: View



Min.: 1
Mult.: 1
ARM Cortex M0 32 bit 30 MHz 4 kB 1 kB + 85 C Through Hole DIP-8
Atmel ATMEGA328P-AU
 Enlarge
Atmel 8-bit Microcontrollers - MCU 32KB In-system Flash 20MHz 1.8V-5.5V
Page 225

Data Sheet
16,482
In Stock
Alternative Packaging
1: $3.43
10: $3.02
25: $2.83
50: $2.41
100: View



Min.: 1
Mult.: 1
AVR 8 bit 20 MHz 32 kB 2 kB + 85 C SMD/SMT TQFP-32
Atmel ATMEGA328P-MU
 Enlarge
Atmel 8-bit Microcontrollers - MCU 32KB In-system Flash 20MHz 1.8V-5.5V
Page 225

Data Sheet
12,848
In Stock
Alternative Packaging
1: $3.43
10: $3.02
25: $2.83
50: $2.41
100: View



Min.: 1
Mult.: 1
AVR 8 bit 20 MHz 32 kB 2 kB + 85 C SMD/SMT MLF-32
Microchip Technology PIC18F46K22-I/PT
 Enlarge
Microchip Technology 8-bit Microcontrollers - MCU 64KB Flash 3968B RAM 8b FamilynanoWat XLP
Data Sheet 11,704
In Stock
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 + 85 C SMD/SMT TQFP-44
Microchip Technology PIC18F46K80-I/PT
 Enlarge
Microchip Technology 8-bit Microcontrollers - MCU 64KB FL 4KBRM 16MIPS 12bit ADC CTMU
Page 260

Data Sheet
6,639
In Stock
Alternative Packaging
1: $4.05
10: $3.37
25: $3.09
100: $2.80



Min.: 1
Mult.: 1
PIC 8 bit 64 MHz 64 kB 1 kB + 85 C SMD/SMT TQFP-44
Microchip Technology PIC24FJ128GA306-I/PT
 Enlarge
Microchip Technology 16-bit Microcontrollers - MCU 16b 16MIPS 128KB FL 8KBRAM LCD XLP Vbat
Page 260

Data Sheet
6,026
In Stock
Alternative Packaging
1: $4.10
10: $3.41
25: $3.13
100: $2.83



Min.: 1
Mult.: 1
PIC 16 bit 32 MHz 128 kB 8192 B + 85 C SMD/SMT TQFP-64
Atmel ATMEGA8U2-MU
 Enlarge
Atmel 8-bit Microcontrollers - MCU AVR USB 8K FLASH AVR USB 8K FLASH OPT
Page 225

Data Sheet
7,257
In Stock
Alternative Packaging
1: $4.16
10: $3.66
25: $3.43
50: $2.92
100: View



Min.: 1
Mult.: 1
AVR 8 bit 16 MHz 8 kB 1 kB + 85 C SMD/SMT QFN-32
Atmel ATMEGA16U2-MU
 Enlarge
Atmel 8-bit Microcontrollers - MCU AVR USB 8K FLASH AVR USB 16K FLASH
Data Sheet 10,555
In Stock
Alternative Packaging
1: $4.17
10: $3.67
25: $3.45
50: $2.93
100: View



Min.: 1
Mult.: 1
AVR 8 bit 16 MHz 16 kB 1.25 kB + 85 C SMD/SMT QFN-32
Atmel ATMEGA8515-16AU
 Enlarge
Atmel 8-bit Microcontrollers - MCU 8kB Flash 0.5kB EEPROM 35 I/O Pins
Page 224

Data Sheet
7,512
In Stock
Alternative Packaging
1: $4.23
10: $3.72
25: $3.49
50: $2.97
100: View



Min.: 1
Mult.: 1
AVR 8 bit 16 MHz 8 kB 512 B + 85 C SMD/SMT TQFP-44
Silicon Labs C8051F310-GQ
 Enlarge
Silicon Labs 8-bit Microcontrollers - MCU 16KB 10ADC 32P MCU
Page 270

Data Sheet
7,003
In Stock
Alternative Packaging
1: $4.44
10: $4.35
25: $4.27
50: $4.20
100: View



Min.: 1
Mult.: 1
8051 8 bit 25 MHz 16 kB 1.25 kB + 85 C SMD/SMT LQFP-32
Microchip Technology PIC18F2520-I/SO
 Enlarge
Microchip Technology 8-bit Microcontrollers - MCU 32KB 1536 RAM 25I/0
Page 259

Data Sheet
3,994
In Stock
Alternative Packaging
1: $4.58
10: $3.81
25: $3.72
100: $3.64



Min.: 1
Mult.: 1
PIC 8 bit 40 MHz 32 kB 1536 B + 85 C SMD/SMT SOIC-28
STMicroelectronics STM32L100C6U6 STMicroelectronics ARM Microcontrollers - MCU Value Line M3 ARM 32 Kbytes 32 MHz
Data Sheet 7,309
In Stock
1: $4.78
10: $3.84
100: $3.41
250: $3.15
500: View



Min.: 1
Mult.: 1
ARM Cortex M3 32 bit 32 MHz 32 kB 4 kB + 85 C SMD/SMT UFQFPN-48
Atmel ATMEGA32U2-MU
 Enlarge
Atmel 8-bit Microcontrollers - MCU AVR USB 32K FLASH INDUSTRIAL
Data Sheet 5,247
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 + 85 C SMD/SMT QFN-32
Compare up to 20 parts.
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