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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 23,340 Matches  

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Compare up to 20 parts.
Select ImageMouser Part # Mfr. Part # Mfr. Description Documents Availability Pricing
(USD)
Quantity RoHS Core Data Bus Width Maximum Clock Frequency Program Memory Size Data RAM Size On-Chip ADC Maximum Operating Temperature Mounting Style Package / Case
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Atmel ATMEGA32A-PU
Enlarge
Atmel 8-bit Microcontrollers - MCU 32KB In-system Flash 2.7V - 5.5V
Page 218

Data Sheet
26,370
In Stock
1: $3.15
10: $3.14
25: $3.13
100: $3.10
250: View



Min.: 1
Mult.: 1
AVR 8 bit 16 MHz 32 kB 2 kB Yes + 85 C Through Hole PDIP-40
Atmel AT89C51RD2-SLSUM
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Atmel 8-bit Microcontrollers - MCU 64kB Flash 2048B RAM 2.7V-5.5V
Page 217

Data Sheet
12,773
In Stock
Alternative Packaging
1: $9.24
10: $8.40
25: $5.88
50: $5.46
100: $5.25



Min.: 1
Mult.: 1
8051 8 bit 60 MHz 64 kB 2 kB No + 85 C SMD/SMT PLCC
Atmel AT91SAM7S256D-AU
Enlarge
AT91SAM7S256D-AU

New At Mouser
New At Mouser


Atmel ARM Microcontrollers - MCU 256K Flash SRAM 64K ARM based MCU
Data Sheet 12,283
In Stock
1: $12.76
10: $11.60
25: $8.12
50: $7.54
100: $7.25



Min.: 1
Mult.: 1
ARM7TDMI 16 bit/32 bit 55 MHz 256 kB 64 kB Yes + 85 C SMD/SMT LQFP-64
Microchip Technology PIC16F677-I/P
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Microchip Technology 8-bit Microcontrollers - MCU 3.5KB FL 128R 18 I/O
Data Sheet 61,007
In Stock
1: $1.60
10: $1.45
25: $1.42
100: $1.38



Min.: 1
Mult.: 1
PIC 8 bit 20 MHz 2048 B 128 B Yes + 125 C Through Hole PDIP-20
Atmel ATMEGA328P-AU
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Atmel 8-bit Microcontrollers - MCU 32KB In-system Flash 20MHz 1.8V-5.5V
Page 219

Data Sheet
31,580
In Stock
More Info Available
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 TQFP-32
Freescale Semiconductor S9S12GN32F1MLC
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Freescale Semiconductor 16-bit Microcontrollers - MCU 16b,32k Flash,2k RAM
Data Sheet 21,248
In Stock
1: $3.55
10: $3.35
25: $3.16
100: $1.98



Min.: 1
Mult.: 1
HCS12 16 bit 25 MHz 32 kB 2 kB Yes + 125 C SMD/SMT QFP-32
Silicon Labs C8051F340-GQ
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Silicon Labs 8-bit Microcontrollers - MCU 48 MIPS 64KB 10ADC
Page 264

Data Sheet
5,818
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
Atmel ATmega128A-AU
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Atmel 8-bit Microcontrollers - MCU 128K Flash 4K EEPROM 4K SRAM 53 IO Pins
Page 219

Data Sheet
6,016
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 AT89C51ED2-RLTUM
Enlarge
Atmel 8-bit Microcontrollers - MCU 64kB Flash 2048B RAM 2.7V-5.5V
Page 217

Data Sheet
5,374
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
STMicroelectronics STM32F407VET6
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STMicroelectronics ARM Microcontrollers - MCU ARM M4 512 FLASH 168 Mhz 192kB SRAM
Page 269

Data Sheet
5,441
In Stock
1: $11.88
10: $10.81
25: $9.99
50: $9.35
100: View



Min.: 1
Mult.: 1
ARM Cortex M4 32 bit 168 MHz 512 kB 192 kB Yes + 85 C SMD/SMT LQFP-100
STMicroelectronics STM32F407VGT6
Enlarge
STMicroelectronics ARM Microcontrollers - MCU ARM M4 1024 FLASH 168 Mhz 192kB SRAM
Page 269

Data Sheet
3,629
In Stock
More Info Available
Alternative Packaging
1: $15.99
10: $14.55
25: $13.44
50: $12.58
100: View



Min.: 1
Mult.: 1
ARM Cortex M4 32 bit 168 MHz 1024 kB 192 kB Yes + 85 C SMD/SMT LQFP-100
Atmel ATMEGA1280-16AU
Enlarge
Atmel 8-bit Microcontrollers - MCU 128kB Flash 4kB EEPROM 86 I/O Pins
Page 219

Data Sheet
4,410
In Stock
Alternative Packaging
1: $16.50
10: $15.00
25: $10.50
50: $9.75
100: $9.38



Min.: 1
Mult.: 1
AVR 8 bit 16 MHz 128 kB 8 kB Yes + 85 C SMD/SMT TQFP-100
Atmel AT32UC3A0512-ALUT
Enlarge
Atmel 32-bit Microcontrollers - MCU 32-bit 512KB Flash
Page 220

Data Sheet
5,002
In Stock
Alternative Packaging
1: $16.62
10: $15.11
25: $10.58
50: $9.82
100: $9.44



Min.: 1
Mult.: 1
AVR 32 bit 66 MHz 512 kB 64 kB Yes + 85 C SMD/SMT LQFP
Atmel ATmega128L-8AU
Enlarge
Atmel 8-bit Microcontrollers - MCU 128kB Flash 4kB EEPROM 53 I/O Pins
Page 219

Data Sheet
4,312
In Stock
Alternative Packaging
1: $17.61
10: $16.01
25: $11.21
50: $10.41
100: $10.01



Min.: 1
Mult.: 1
AVR 8 bit 8 MHz 128 kB 4 kB Yes + 85 C SMD/SMT TQFP-64
Silicon Labs C8051F120-GQ
Enlarge
Silicon Labs 8-bit Microcontrollers - MCU 100MIPS 128KB 12ADC 100P MCU
Page 264

Data Sheet
2,515
In Stock
Alternative Packaging
1: $17.86
25: $17.24
100: $16.63
1,000: Quote



Min.: 1
Mult.: 1
8051 8 bit 100 MHz 128 kB 8.25 kB Yes + 85 C SMD/SMT TQFP-100
Cypress Semiconductor CY8C5868AXI-LP035
Enlarge
CY8C5868AXI-LP035

New Product
New Product


Cypress Semiconductor ARM Microcontrollers - MCU 256K Flash 64K SRAM PSoC 5LP
Page 228

Data Sheet
4,108
In Stock
1: $18.03
10: $16.72
25: $16.26
50: $15.83
100: View



Min.: 1
Mult.: 1
ARM Cortex M3 32 bit 67 MHz 256 kB 64 kB Yes + 85 C SMD/SMT TQFP-100
Atmel ATmega2560-16AU
Enlarge
Atmel 8-bit Microcontrollers - MCU 256kB Flash 4kB EEPROM 86 I/O Pins
Page 219

Data Sheet
4,669
In Stock
Alternative Packaging
1: $18.39
10: $16.72
25: $11.70
50: $10.87
100: $10.45



Min.: 1
Mult.: 1
AVR 8 bit 16 MHz 256 kB 8 kB Yes + 85 C SMD/SMT TQFP-100
Atmel ATtiny45-20SU
Enlarge
Atmel 8-bit Microcontrollers - MCU 4kB Flash 0.256kB EEPROM 6 I/O Pins
Page 217

Data Sheet
24,221
In Stock
Alternative Packaging
1: $1.06
10: $0.96
25: $0.672
50: $0.624
100: $0.60



Min.: 1
Mult.: 1
AVR 8 bit 20 MHz 4 kB 256 B Yes + 85 C SMD/SMT SOIC-8
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 15,585
In Stock
Alternative Packaging
Cut Tape
1: $1.16
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 Yes + 85 C SMD/SMT SOIC-8
Microchip Technology PIC12F675-I/P
Enlarge
Microchip Technology 8-bit Microcontrollers - MCU 1.75KB 64 RAM 6 I/O Ind Temp PDIP8
Page 251

Data Sheet
14,138
In Stock
1: $1.21
10: $1.01
25: $0.98
100: $0.96



Min.: 1
Mult.: 1
PIC 8 bit 20 MHz 1.75 kB 64 B Yes + 85 C Through Hole PDIP-8
Atmel ATtiny85-20SU
Enlarge
Atmel 8-bit Microcontrollers - MCU AVR 8K FLSH 512B EE 512B SRAM ADC 5V
Page 218

Data Sheet
19,510
In Stock
More Info Available
Alternative Packaging
1: $1.21
10: $1.10
25: $0.77
50: $0.715
100: $0.688



Min.: 1
Mult.: 1
AVR 8 bit 20 MHz 8 kB 512 B Yes + 85 C SMD/SMT SOIC
Cypress Semiconductor CY8C21123-24SXI
Enlarge
Cypress Semiconductor 8-bit Microcontrollers - MCU IC MCU 4K FLASH 256B SRAM
Page 226

Data Sheet
14,942
In Stock
Alternative Packaging
1: $1.61
10: $1.46
25: $1.39
100: $1.31
250: View



Min.: 1
Mult.: 1
M8C 8 bit 24 MHz 4 kB 256 B Yes + 85 C SMD/SMT SOIC-8
Freescale Semiconductor MC9S08QG8CPBE
Enlarge
Freescale Semiconductor 8-bit Microcontrollers - MCU 20mhz 8bit CPU
Page 236

Data Sheet
16,570
In Stock
1: $1.72
10: $1.62
25: $1.53
100: $0.96



Min.: 1
Mult.: 1
S08 8 bit 20 MHz 8 kB 512 B Yes + 85 C Through Hole PDIP-16
Freescale Semiconductor MC9S08QG8CDTE
Enlarge
Freescale Semiconductor 8-bit Microcontrollers - MCU 20mhz 8bit CPU
Page 236

Data Sheet
17,194
In Stock
Alternative Packaging
1: $1.72
10: $1.62
25: $1.53
100: $0.96



Min.: 1
Mult.: 1
S08 8 bit 20 MHz 8 kB 512 B Yes + 85 C SMD/SMT TSSOP-16
Microchip Technology PIC16F687-I/P
Enlarge
Microchip Technology 8-bit Microcontrollers - MCU 3.5KB FL 128R 18 I/O
Page 251

Data Sheet
13,592
In Stock
1: $1.86
10: $1.55
25: $1.51
100: $1.47



Min.: 1
Mult.: 1
PIC 8 bit 20 MHz 2048 B 128 B Yes + 125 C Through Hole PDIP-20
Compare up to 20 parts.
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