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Microcontrollers - MCU

Microcontrollers are in stock with same-day shipping at Mouser. Mouser is an authorized distributor for many leading microcontroller manufacturers including Infineon, Microchip, NXP, Renesas, Silicon Labs, STMicroelectronics, Texas Instruments and more.
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Types of Microcontrollers - MCU

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Part #

8-bit Microcontrollers - MCU AVR 4K FLASH 256B EE 20MHZ TEMP GRN 1.8V

ATMEGA48P-20AU
Microchip Technology
1: $2.66
18,255In Stock
NRND

Mfr. Part No.
ATMEGA48P-20AU

Mouser Part No
556-ATMEGA48P-20AU

NRND

Microchip Technology

8-bit Microcontrollers - MCU AVR 4K FLASH 256B EE 20MHZ TEMP GRN 1.8V

Datasheet

18,255In Stock

$2.66

$2.43

$2.35

$2.20

View

Min.: 1
Mult.: 1

SMD/SMT

TQFP-32

AVR

8 bit

20 MHz

4 kB

512 B

10 bit

23 I/O

2.7 V

5.5 V

+ 85 C

Tray

32-bit Microcontrollers - MCU 32BIT MCU RX210 256K/32K QFP64

R5F52106BDFM#30
Renesas Electronics
1: $22.40
19,044In Stock
NRND

Mfr. Part No.
R5F52106BDFM#30

Mouser Part No
968-R5F52106BDFM#30

NRND

Renesas Electronics

32-bit Microcontrollers - MCU 32BIT MCU RX210 256K/32K QFP64

Learn More

Datasheet

19,044In Stock

$22.40

$20.43

$15.24

$9.12

View

Min.: 1
Mult.: 1

SMD/SMT

LQFP-64

32 bit

50 MHz

256 kB

32 kB

12 bit

48 I/O

1.62 V

5.5 V

+ 85 C

Tray

RF Microcontrollers - MCU Bluetooth Low Energy Network Processor supporting Bluetooth 4.2 core specificati

BLUENRG-MSQTR
STMicroelectronics
1: $3.92
29,336In Stock
NRND

Mfr. Part No.
BLUENRG-MSQTR

Mouser Part No
511-BLUENRG-MSQTR

NRND

STMicroelectronics

RF Microcontrollers - MCU Bluetooth Low Energy Network Processor supporting Bluetooth 4.2 core specificati

Learn More

Datasheet

29,336In Stock

Cut Tape

$3.92

$3.01

$2.76

$2.49

View

Reel

$2.09

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

SMD/SMT

QFN-32

ARM Cortex M0

32 bit

32 MHz

64 kB

12 kB

No ADC

1.7 V

3.6 V

+ 85 C

Reel, Cut Tape, MouseReel

32-bit Microcontrollers - MCU 32BIT MCU RX62T 256K/16K QFP100

R5F562TAADFP#V1
Renesas Electronics
1: $13.35
17,387In Stock
NRND

Mfr. Part No.
R5F562TAADFP#V1

Mouser Part No
968-R5F562TAADFP#V1

NRND

Renesas Electronics

32-bit Microcontrollers - MCU 32BIT MCU RX62T 256K/16K QFP100

Datasheet

17,387In Stock

$13.35

$10.45

$9.96

$8.89

View

Min.: 1
Mult.: 1

SMD/SMT

LQFP-100

32 bit

100 MHz

256 kB

16 kB

12 bit

55 I/O

4 V

5.5 V

+ 85 C

Tray

8-bit Microcontrollers - MCU AVR 16K FLSH 1K EE ADC 3V-8MHz IND TEMP

ATMEGA16L-8AUR
Microchip Technology
1: $6.42
5,636In Stock
NRND

Mfr. Part No.
ATMEGA16L-8AUR

Mouser Part No
556-ATMEGA16L-8AUR

NRND

Microchip Technology

8-bit Microcontrollers - MCU AVR 16K FLSH 1K EE ADC 3V-8MHz IND TEMP

Datasheet

5,636In Stock

Cut Tape

$6.42

$5.65

Reel

$5.65

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

SMD/SMT

TQFP-44

AVR

8 bit

8 MHz

2.7 V

5.5 V

Reel, Cut Tape, MouseReel

32-bit Microcontrollers - MCU 32BIT MCU RX210 512K/64K QFP100

R5F52108CDFP#30
Renesas Electronics
1: $14.19
5,726In Stock
NRND

Mfr. Part No.
R5F52108CDFP#30

Mouser Part No
968-R5F52108CDFP#30

NRND

Renesas Electronics

32-bit Microcontrollers - MCU 32BIT MCU RX210 512K/64K QFP100

Learn More

Datasheet

5,726In Stock

$14.19

$10.78

$9.66

$9.03

View

Min.: 1
Mult.: 1

SMD/SMT

LQFP-100

32 bit

50 MHz

512 kB

64 kB

12 bit

84 I/O

1.62 V

5.5 V

+ 85 C

Tray

ARM Microcontrollers - MCU 32-Bit Arm Cortex M3 128kb UltralowPower

STM32L151CBT6
STMicroelectronics
1: $8.31
10,274In Stock
NRND

Mfr. Part No.
STM32L151CBT6

Mouser Part No
511-STM32L151CBT6

NRND

STMicroelectronics

ARM Microcontrollers - MCU 32-Bit Arm Cortex M3 128kb UltralowPower

Learn More

Datasheet

10,274In Stock

$8.31

$6.42

$5.66

$5.42

View

Min.: 1
Mult.: 1

SMD/SMT

ARM Cortex M3

32 bit

32 MHz

128 kB

16 kB

12 bit

37 I/O

1.8 V

3.6 V

+ 85 C

Tray

32-bit Microcontrollers - MCU 32BIT MCU RX621 256K/64K QFP144

R5F56216BDFB#V0
Renesas Electronics
1: $15.58
8,178In Stock
NRND

Mfr. Part No.
R5F56216BDFB#V0

Mouser Part No
968-R5F56216BDFB#V0

NRND

Renesas Electronics

32-bit Microcontrollers - MCU 32BIT MCU RX621 256K/64K QFP144

Datasheet

8,178In Stock

$15.58

$11.84

$10.69

$9.99

View

Min.: 1
Mult.: 1

SMD/SMT

LQFP-144

32 bit

100 MHz

256 kB

64 kB

12 bit

103 I/O

2.7 V

3.6 V

+ 85 C

Tray

32-bit Microcontrollers - MCU 32BIT MCU RX62N 512K/96K QFP144

R5F562N8BDFB#V0
Renesas Electronics
1: $13.42
25,600In Stock
NRND

Mfr. Part No.
R5F562N8BDFB#V0

Mouser Part No
968-R5F562N8BDFB#V0

NRND

Renesas Electronics

32-bit Microcontrollers - MCU 32BIT MCU RX62N 512K/96K QFP144

Datasheet

25,600In Stock

$13.42

$9.41

Min.: 1
Mult.: 1

SMD/SMT

LQFP-144

32 bit

100 MHz

512 kB

96 kB

12 bit

103 I/O

2.7 V

3.6 V

+ 85 C

Tray

8-bit Microcontrollers - MCU 16K Flash ADC

AT89C5115-TISUM
Microchip Technology
1: $9.20
1,019In Stock

Mfr. Part No.
AT89C5115-TISUM

Mouser Part No
556-A89C5115TISUM

Microchip Technology

8-bit Microcontrollers - MCU 16K Flash ADC

Learn More

Datasheet

1,019In Stock

$9.20

$9.01

$8.72

View

Min.: 1
Mult.: 1

SMD/SMT

SOIC-28

8051

8 bit

40 MHz

16 kB

512 B

10 bit

20 I/O

3 V

5.5 V

+ 85 C

Tube

8-bit Microcontrollers - MCU C51IC2 32K FLASH I2C 32KHz 5V

AT89C51IC2-SLSUM
Microchip Technology
1: $8.81
677In Stock

Mfr. Part No.
AT89C51IC2-SLSUM

Mouser Part No
556-A89C51IC2SLSUM

Microchip Technology

8-bit Microcontrollers - MCU C51IC2 32K FLASH I2C 32KHz 5V

Learn More

Datasheet

677In Stock

$8.81

$8.08

$7.30

Min.: 1
Mult.: 1

SMD/SMT

PLCC-44

8051

8 bit

60 MHz

32 kB

1.25 kB

No ADC

34 I/O

2.7 V

5.5 V

+ 85 C

Tube

8-bit Microcontrollers - MCU 32K FLASH 4.0 TO 5.5V

AT89C51RC-24AU
Microchip Technology
1: $3.15
3,742In Stock

Mfr. Part No.
AT89C51RC-24AU

Mouser Part No
556-A89C51RC-24AU

Microchip Technology

8-bit Microcontrollers - MCU 32K FLASH 4.0 TO 5.5V

Learn More

Datasheet

3,742In Stock

$3.15

$2.89

$2.79

$2.78

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

8051

8 bit

24 MHz

32 kB

512 B

No ADC

32 I/O

4 V

5.5 V

+ 85 C

Tray

8-bit Microcontrollers - MCU C51RB2 FLASH 16k TQFP44 COM 5V GREEN

AT89C51RB2T-RLTUM
Microchip Technology
1: $7.15
378In Stock

Mfr. Part No.
AT89C51RB2T-RLTUM

Mouser Part No
556-AT89C51RB2TLTUM

Microchip Technology

8-bit Microcontrollers - MCU C51RB2 FLASH 16k TQFP44 COM 5V GREEN

Learn More

Datasheet

378In Stock

$7.15

$7.14

$6.53

$5.94

$5.93

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

8051

8 bit

60 MHz

16 kB

1.25 kB

No ADC

32 I/O

2.7 V

5.5 V

+ 85 C

Tray

RF Microcontrollers - MCU 2.4GHZ 802.15.4 128K SOC Industrial

ATMEGA128RFA1-ZF
Microchip Technology
1: $9.33
260In Stock

Mfr. Part No.
ATMEGA128RFA1-ZF

Mouser Part No
556-ATMEGA128RFA1-ZF

Microchip Technology

RF Microcontrollers - MCU 2.4GHZ 802.15.4 128K SOC Industrial

Learn More

Datasheet

260In Stock

$9.33

$8.52

$8.51

Min.: 1
Mult.: 1

SMD/SMT

QFN-64

AVR

8 bit

16 MHz

128 kB

4 kB

+ 125 C

Tray

8-bit Microcontrollers - MCU 20MHz, 48KB, QFN

ATMEGA4808-MF
Microchip Technology
1: $1.55
6,175In Stock

Mfr. Part No.
ATMEGA4808-MF

Mouser Part No
556-ATMEGA4808-MF

Microchip Technology

8-bit Microcontrollers - MCU 20MHz, 48KB, QFN

Learn More

Datasheet

6,175In Stock

$1.55

$1.39

$1.28

Min.: 1
Mult.: 1

SMD/SMT

VQFN-32

AVR

8 bit

20 MHz

48 kB

6 kB

10 bit

27 I/O

1.8 V

5.5 V

+ 125 C

Tray

8-bit Microcontrollers - MCU 20MHz, 48KB, SOIC

ATMEGA4808-XFR
Microchip Technology
1: $1.54
2,997In Stock

Mfr. Part No.
ATMEGA4808-XFR

Mouser Part No
556-ATMEGA4808-XFR

Microchip Technology

8-bit Microcontrollers - MCU 20MHz, 48KB, SOIC

Learn More

Datasheet

2,997In Stock

Cut Tape

$1.54

$1.50

$1.40

$1.27

Reel

$1.27

MouseReel Available

Min.: 1
Mult.: 1

: 2,100

SMD/SMT

SSOP-28

AVR

8 bit

20 MHz

48 kB

6 kB

10 bit

23 I/O

1.8 V

5.5 V

+ 125 C

Reel, Cut Tape, MouseReel

ARM Microcontrollers - MCU TFBGA, Grn, IT MRL B

ATSAM3U1CB-CU
Microchip Technology
1: $6.25
261In Stock

Mfr. Part No.
ATSAM3U1CB-CU

Mouser Part No
556-ATSAM3U1CB-CU

Microchip Technology

ARM Microcontrollers - MCU TFBGA, Grn, IT MRL B

Learn More

Datasheet

261In Stock

$6.25

$5.94

$5.93

Quote

Min.: 1
Mult.: 1

SMD/SMT

TFBGA-100

ARM Cortex M3

32 bit

96 MHz

64 kB

20 kB

12 bit

57 I/O

1.62 V

1.95 V

+ 85 C

Tray

ARM Microcontrollers - MCU LQFP, GREEN, IND TEMP, MRLA

ATSAM4N16CA-AU
Microchip Technology
1: $6.45
1,602In Stock

Mfr. Part No.
ATSAM4N16CA-AU

Mouser Part No
556-ATSAM4N16CA-AU

Microchip Technology

ARM Microcontrollers - MCU LQFP, GREEN, IND TEMP, MRLA

Learn More

Datasheet

1,602In Stock

$6.45

$5.86

$5.31

$5.30

Min.: 1
Mult.: 1

SMD/SMT

LQFP-100

ARM Cortex M4

32 bit

100 MHz

1 MB

80 kB

10 bit

79 I/O

1.62 V

1.95 V

+ 85 C

Tray

ARM Microcontrollers - MCU QFNGREENIND TEMPMRL A

ATSAM4SD16BA-MU
Microchip Technology
1: $7.81
226In Stock

Mfr. Part No.
ATSAM4SD16BA-MU

Mouser Part No
556-ATSAM4SD16BA-MU

Microchip Technology

ARM Microcontrollers - MCU QFNGREENIND TEMPMRL A

Learn More

Datasheet

226In Stock

$7.81

$7.80

$7.69

$7.68

$7.64

Min.: 1
Mult.: 1

SMD/SMT

QFN-64

ARM Cortex M4

32 bit

120 MHz

1 MB

160 kB

12 bit

47 I/O

1.08 V

1.32 V

+ 85 C

Tray

ARM Microcontrollers - MCU 32QFN,125C TEMP, GREEN, 3.3V, 48MHZ

ATSAMD21E15B-MF
Microchip Technology
1: $2.46
2,718In Stock

Mfr. Part No.
ATSAMD21E15B-MF

Mouser Part No
556-ATSAMD21E15B-MF

Microchip Technology

ARM Microcontrollers - MCU 32QFN,125C TEMP, GREEN, 3.3V, 48MHZ

Learn More

Datasheet

2,718In Stock

$2.46

$2.23

$2.03

$2.02

Min.: 1
Mult.: 1

SMD/SMT

QFN-32

ARM Cortex M0+

32 bit

48 MHz

32 kB

4 kB

12 bit

26 I/O

1.62 V

3.63 V

+ 125 C

AEC-Q100

Tray

ARM Microcontrollers - MCU 120MHZ 512KB FLASH 1 28 TQFP PKG IN 85C

ATSAMD51P19A-AUT
Microchip Technology
1: $6.91
1,986In Stock

Mfr. Part No.
ATSAMD51P19A-AUT

Mouser Part No
556-ATSAMD51P19AAUT

Microchip Technology

ARM Microcontrollers - MCU 120MHZ 512KB FLASH 1 28 TQFP PKG IN 85C

Learn More

Datasheet

1,986In Stock

Cut Tape

$6.91

$6.74

$6.73

$6.20

Reel

$5.73

Quote

Min.: 1
Mult.: 1

: 1,000

SMD/SMT

TQFP-128

ARM Cortex M4F

32 bit

120 MHz

512 kB

192 kB

12 bit

99 I/O

1.71 V

3.6 V

+ 85 C

AEC-Q100

Reel, Cut Tape

ARM Microcontrollers - MCU CM4, QFN 64, 1MFlash,Tray, USB,Ethernet,Extended Temp

ATSAME53J20A-MF
Microchip Technology
1: $8.20
772In Stock

Mfr. Part No.
ATSAME53J20A-MF

Mouser Part No
556-ATSAME53J20A-MF

Microchip Technology

ARM Microcontrollers - MCU CM4, QFN 64, 1MFlash,Tray, USB,Ethernet,Extended Temp

Learn More

Datasheet

772In Stock

$8.20

$8.03

Min.: 1
Mult.: 1

SMD/SMT

VQFN-64

ARM Cortex M4F

32 bit

120 MHz

1 MB

256 kB

12 bit

51 I/O

1.71 V

3.6 V

+ 125 C

AEC-Q100

Tray

ARM Microcontrollers - MCU CM7,512kB Flash,256kB SRAM,LQFP144

ATSAME70Q19A-AN
Microchip Technology
1: $13.94
166In Stock

Mfr. Part No.
ATSAME70Q19A-AN

Mouser Part No
556-ATSAME70Q19A-AN

Microchip Technology

ARM Microcontrollers - MCU CM7,512kB Flash,256kB SRAM,LQFP144

Learn More

Datasheet

166In Stock

$13.94

$11.50

Min.: 1
Mult.: 1

SMD/SMT

LQFP-144

ARM Cortex M7

32 bit

300 MHz

512 kB

256 kB

12 bit

114 I/O

1.7 V

3.6 V

+ 105 C

Tray

RF Microcontrollers - MCU SAMR21 48pin 128K

ATSAMR21G17A-MU
Microchip Technology
1: $6.26
698In Stock

Mfr. Part No.
ATSAMR21G17A-MU

Mouser Part No
556-ATSAMR21G17A-MU

Microchip Technology

RF Microcontrollers - MCU SAMR21 48pin 128K

Learn More

Datasheet

698In Stock

$6.26

$6.19

$6.18

Min.: 1
Mult.: 1

SMD/SMT

QFN-48

ARM Cortex M0+

32 bit

48 MHz

128 kB

16 kB

12 bit

28 I/O

3.3 V

+ 85 C

Tray

8-bit Microcontrollers - MCU AVR, 1KB FLASH, 64B EE, 64B SRAM - 20MHz

ATTINY13A-MMF
Microchip Technology
1: $0.89
1,893In Stock

Mfr. Part No.
ATTINY13A-MMF

Mouser Part No
556-ATTINY13A-MMF

Microchip Technology

8-bit Microcontrollers - MCU AVR, 1KB FLASH, 64B EE, 64B SRAM - 20MHz

Datasheet

1,893In Stock

$0.89

$0.883

$0.80

$0.73

$0.729

Min.: 1
Mult.: 1

SMD/SMT

VDFN-10

AVR

8 bit

20 MHz

1 kB

64 B

10 bit

6 I/O

1.8 V

5.5 V

+ 125 C

Tray

Microcontrollers - MCU

Types of Microcontrollers - MCU

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8051
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ARM Cortex M0
ARM Cortex M0+
ARM Cortex M0+, ARM Cortex M4

32.768 kHz
400 kHz
1 MHz
1.2 MHz
1.3 MHz
2.1 MHz
4 MHz
4.2 MHz
5 MHz
7.3728 MHz
8 MHz
8.2 MHz
8.4 MHz
10 MHz
10.24 MHz
12 MHz
12.58 MHz
14 MHz
15 MHz
16 MHz

0 B
384 B
512 B
768 B
896 B
1 KB
1 kB
1.5 kB
1.75 kB
2 kB
3 kB
3.5 kB
3.75 kB
4 kB
4.56 kB
6 kB
7 kB
7.2 kB
8 kB
8 kB, 1 MB

0 B
8 B, 256 B, 4 kB
16 B
23 B
24 B
25 B
32 B
36 B
38 B
41 B
60 B
61 B
64
64 B
67 B
68 B
72 B
73 B
80 B
96

2 x 10 bit
2 x 10 bit, 12 bit
2 x 10 bit, 5 x 12 bit, 6 x 16 bit
2 x 12 bit
2 x 12 bit, 24 bit
2 x 12 bit/16 bit
2 x 16 bit
2 x 24 bit
2 x 6 bit/8 bit/10 bit/12 bit
2 x 8 bit/10 bit/12 bit
3 x 10 bit
3 x 10 bit, 5 x 12 bit, 6 x 16 bit
3 x 12 bit
3 x 12 bit, 1 x 16 bit
3 x 12 bit, 24 bit
3 x 16 bit
3 x 24 bit
4 x 10 bit
4 x 12 bit
4 x 12 bit, 16 bit

2 I/O
3 I/O
4 I/O
5 I/O
6 I/O
7 I/O
8 I/O
9 I/O
10 I/O
11 I/O
12 I/O
13 I/O
14 I/O
15 I/O
16 I/O
17 I/O
17 I/O
18 I/O
19 I/O
20 I/O

0 V
700 mV
800 mV
855 mV
900 mV
925 mV
950 mV
990 mV
1 V
1.045 V
1.05 V
1.08 V
1.09 V
1.1 V
1.12 V, 1.22 V
1.14 V
1.15 V
1.17 V
1.175 V
1.188 V

945 mV
1.15 V
1.155 V
1.16 V
1.2 V
1.2 V, 3.3 V
1.21 V
1.21 V, 1.3 V
1.22 V, 3.3 V
1.26 V
1.3 V
1.31 V
1.32 V
1.345 V
1.35 V
1.365 V
1.39 V
1.4 V
1.43 V
1.47 V