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20 MHz Microcontrollers - MCU

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Types of Microcontrollers - MCU

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Maximum Clock Frequency = 20 MHz

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Part #

8-bit Microcontrollers - MCU AVR,16KB FLASH,20MHZ IND TEMP,5V

ATMEGA168P-20AUR
Microchip Technology
1: $4.24
3,318In Stock
NRND

Mfr. Part No.
ATMEGA168P-20AUR

Mouser Part No
556-ATMEGA168P-20AUR

NRND

Microchip Technology

8-bit Microcontrollers - MCU AVR,16KB FLASH,20MHZ IND TEMP,5V

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Datasheet

3,318In Stock

Cut Tape

$4.24

$4.14

$3.52

Reel

$3.52

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

SMD/SMT

TQFP-32

AVR

8 bit

20 MHz

16 kB

1 kB

10 bit

23 I/O

2.7 V

5.5 V

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU AVR 32KB FLSH 1KB EE 2KB SRAM-20MHz, IND

ATMEGA324A-MU
Microchip Technology
1: $4.67
396In Stock
NRND

Mfr. Part No.
ATMEGA324A-MU

Mouser Part No
556-ATMEGA324A-MU

NRND

Microchip Technology

8-bit Microcontrollers - MCU AVR 32KB FLSH 1KB EE 2KB SRAM-20MHz, IND

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Datasheet

396In Stock

$4.67

$4.57

$4.55

$4.54

$3.79

Min.: 1
Mult.: 1

SMD/SMT

VQFN-44

AVR

8 bit

20 MHz

32 kB

2 kB

10 bit

32 I/O

1.8 V

5.5 V

+ 85 C

Tray

8-bit Microcontrollers - MCU 32KB In-system Flash 20MHz 1.8V-5.5V

ATMEGA328P-AU
Microchip Technology
1: $2.66
9,597In Stock
NRND

Mfr. Part No.
ATMEGA328P-AU

Mouser Part No
556-ATMEGA328P-AU

NRND

Microchip Technology

8-bit Microcontrollers - MCU 32KB In-system Flash 20MHz 1.8V-5.5V

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Datasheet

9,597In Stock

$2.66

$2.44

$2.20

Min.: 1
Mult.: 1

SMD/SMT

TQFP-32

AVR

8 bit

20 MHz

32 kB

2 kB

10 bit

23 I/O

1.8 V

5.5 V

+ 85 C

Tray

8-bit Microcontrollers - MCU AVR 32K FLSH 2K SRAM 1KB EE-20MHz IND

ATMEGA328P-AUR
Microchip Technology
1: $2.74
23,885In Stock
16,000Expected 31/08/2026
NRND

Mfr. Part No.
ATMEGA328P-AUR

Mouser Part No
556-ATMEGA328P-AUR

NRND

Microchip Technology

8-bit Microcontrollers - MCU AVR 32K FLSH 2K SRAM 1KB EE-20MHz IND

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Datasheet

23,885In Stock

16,000Expected 31/08/2026

Cut Tape

$2.74

$2.71

$2.62

$2.57

View

Reel

$2.30

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

SMD/SMT

TQFP-32

AVR

8 bit

20 MHz

32 kB

2 kB

10 bit

23 I/O

1.8 V

5.5 V

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 32KB In-system Flash 20MHz 1.8V-5.5V

ATMEGA328P-PU
Microchip Technology
1: $2.89
9,103In Stock
NRND

Mfr. Part No.
ATMEGA328P-PU

Mouser Part No
556-ATMEGA328P-PU

NRND

Microchip Technology

8-bit Microcontrollers - MCU 32KB In-system Flash 20MHz 1.8V-5.5V

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Datasheet

Product Comments

9,103In Stock

$2.89

$2.65

$2.39

Min.: 1
Mult.: 1

Through Hole

PDIP-28

AVR

8 bit

20 MHz

32 kB

2 kB

10 bit

23 I/O

1.8 V

5.5 V

+ 85 C

Tube

8-bit Microcontrollers - MCU AVR 8KB FLSH 512B EE 1KB SRAM-20MHz

ATMEGA88A-PU
Microchip Technology
1: $2.54
1,707In Stock
NRND

Mfr. Part No.
ATMEGA88A-PU

Mouser Part No
556-ATMEGA88A-PU

NRND

Microchip Technology

8-bit Microcontrollers - MCU AVR 8KB FLSH 512B EE 1KB SRAM-20MHz

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Datasheet

1,707In Stock

$2.54

$2.33

$2.11

Min.: 1
Mult.: 1

Through Hole

PDIP-28

AVR

8 bit

20 MHz

8 kB

1 kB

10 bit

23 I/O

1.8 V

5.5 V

+ 85 C

Tube

8-bit Microcontrollers - MCU AVR 4KB FLASH, 256B SRAM 256B EE - 20MHz

ATTINY4313-MUR
Microchip Technology
1: $1.03
3,378In Stock
NRND

Mfr. Part No.
ATTINY4313-MUR

Mouser Part No
556-ATTINY4313-MUR

NRND

Microchip Technology

8-bit Microcontrollers - MCU AVR 4KB FLASH, 256B SRAM 256B EE - 20MHz

Datasheet

3,378In Stock

Cut Tape

$1.03

$0.995

$0.932

$0.931

$0.921

Reel

$0.85

MouseReel Available

Min.: 1
Mult.: 1

: 6,000

SMD/SMT

MLF-20

AVR

8 bit

20 MHz

4 kB

256 B

No ADC

18 I/O

1.8 V

5.5 V

+ 105 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU AVR 4KB FL 256B SRAM 256B 20MHz 1.8-5.5V

ATTINY4313-SU
Microchip Technology
1: $1.25
7,428In Stock
NRND

Mfr. Part No.
ATTINY4313-SU

Mouser Part No
556-ATTINY4313-SU

NRND

Microchip Technology

8-bit Microcontrollers - MCU AVR 4KB FL 256B SRAM 256B 20MHz 1.8-5.5V

Datasheet

7,428In Stock

$1.25

Min.: 1
Mult.: 1

SMD/SMT

SOIC-20

AVR

8 bit

20 MHz

4 kB

256 B

No ADC

18 I/O

1.8 V

5.5 V

+ 85 C

Tube

8-bit Microcontrollers - MCU AVR 4KB FLASH, 256B SRAM 256B EE - 20MHz

ATTINY4313-SUR
Microchip Technology
1: $1.33
1,575In Stock
NRND

Mfr. Part No.
ATTINY4313-SUR

Mouser Part No
556-ATTINY4313-SUR

NRND

Microchip Technology

8-bit Microcontrollers - MCU AVR 4KB FLASH, 256B SRAM 256B EE - 20MHz

Datasheet

1,575In Stock

Cut Tape

$1.33

Reel

$1.33

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

SMD/SMT

SOIC-20

AVR

8 bit

20 MHz

4 kB

256 B

No ADC

18 I/O

1.8 V

5.5 V

+ 105 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 4KB FL 256B EE 256B SRAM 20MHz Hi +125C

ATTINY44A-SSFR
Microchip Technology
1: $1.03
2,452In Stock
NRND

Mfr. Part No.
ATTINY44A-SSFR

Mouser Part No
556-ATTINY44A-SSFR

NRND

Microchip Technology

8-bit Microcontrollers - MCU 4KB FL 256B EE 256B SRAM 20MHz Hi +125C

Learn More

Datasheet

2,452In Stock

Cut Tape

$1.03

$0.995

Reel

$0.85

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

SMD/SMT

SOIC-14

AVR

8 bit

20 MHz

4 kB

256 B

1.8 V

5.5 V

+ 125 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 4kB Flash 0.256kB EEPROM 6 I/O Pins

ATTINY45-20SU
Microchip Technology
1: $1.37
4,977In Stock
NRND

Mfr. Part No.
ATTINY45-20SU

Mouser Part No
556-ATTINY45-20SU

NRND

Microchip Technology

8-bit Microcontrollers - MCU 4kB Flash 0.256kB EEPROM 6 I/O Pins

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Datasheet

4,977In Stock

$1.37

$1.26

$1.13

Min.: 1
Mult.: 1

SMD/SMT

SOIC-8

AVR

8 bit

20 MHz

4 kB

256 B

10 bit

6 I/O

2.7 V

5.5 V

+ 85 C

Tube

8-bit Microcontrollers - MCU 8-bit 512B SRAM 20MHz 2.7-5.5V

ATTINY84-20SSU
Microchip Technology
1: $2.54
2,660In Stock
NRND

Mfr. Part No.
ATTINY84-20SSU

Mouser Part No
556-ATTINY84-20SSU

NRND

Microchip Technology

8-bit Microcontrollers - MCU 8-bit 512B SRAM 20MHz 2.7-5.5V

Learn More

Datasheet

2,660In Stock

$2.54

Min.: 1
Mult.: 1

SMD/SMT

SOIC-14

AVR

8 bit

20 MHz

8 kB

512 B

10 bit

12 I/O

2.7 V

5.5 V

+ 85 C

Tube

8-bit Microcontrollers - MCU AVR 8KB FLSH 512B EE 512B SRAM-20MHz, IN

ATTINY861A-XUR
Microchip Technology
1: $1.79
3,080In Stock
NRND

Mfr. Part No.
ATTINY861A-XUR

Mouser Part No
556-ATTINY861A-XUR

NRND

Microchip Technology

8-bit Microcontrollers - MCU AVR 8KB FLSH 512B EE 512B SRAM-20MHz, IN

Learn More

Datasheet

3,080In Stock

Cut Tape

$1.79

$1.73

Reel

$1.49

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

SMD/SMT

TSSOP-20

AVR

8 bit

20 MHz

8 kB

512 B

10 bit

16 I/O

1.8 V

5.5 V

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU AVR 128KB FLSH 4KB EE16KB SRAM-20 MHz

ATMEGA1284-AU
Microchip Technology
1: $6.39
4,340In Stock

Mfr. Part No.
ATMEGA1284-AU

Mouser Part No
556-ATMEGA1284-AU

Microchip Technology

8-bit Microcontrollers - MCU AVR 128KB FLSH 4KB EE16KB SRAM-20 MHz

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Datasheet

4,340In Stock

$6.39

$5.91

$5.77

$5.75

View

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

AVR

8 bit

20 MHz

128 kB

16 kB

10 bit

32 I/O

1.8 V

5.5 V

+ 85 C

Tray

8-bit Microcontrollers - MCU 128KB Flash 20MHz 1.8V-5.5V

ATMEGA1284P-AU
Microchip Technology
1: $6.99
11,376In Stock

Mfr. Part No.
ATMEGA1284P-AU

Mouser Part No
556-ATMEGA1284P-AU

Microchip Technology

8-bit Microcontrollers - MCU 128KB Flash 20MHz 1.8V-5.5V

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Datasheet

11,376In Stock

$6.99

$6.42

$5.80

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

AVR

8 bit

20 MHz

128 kB

16 kB

10 bit

32 I/O

1.8 V

5.5 V

+ 85 C

Tray

8-bit Microcontrollers - MCU ATMEGA328PB Extend TEMP T&R

ATMEGA328PB-ANR
Microchip Technology
1: $1.76
13,121In Stock

Mfr. Part No.
ATMEGA328PB-ANR

Mouser Part No
556-ATMEGA328PB-ANR

Microchip Technology

8-bit Microcontrollers - MCU ATMEGA328PB Extend TEMP T&R

Learn More

Datasheet

13,121In Stock

Cut Tape

$1.76

$1.72

$1.67

$1.64

$1.46

Reel

$1.46

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

SMD/SMT

TQFP-32

AVR

8 bit

20 MHz

32 kB

2 kB

10 bit

27 I/O

1.8 V

5.5 V

+ 105 C

AEC-Q100

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU ATMEGA328PB IND TEMP QFN T&R

ATMEGA328PB-MUR
Microchip Technology
1: $1.61
17,602In Stock

Mfr. Part No.
ATMEGA328PB-MUR

Mouser Part No
556-ATMEGA328PB-MUR

Microchip Technology

8-bit Microcontrollers - MCU ATMEGA328PB IND TEMP QFN T&R

Learn More

Datasheet

17,602In Stock

Cut Tape

$1.61

$1.58

$1.49

Reel

$1.34

MouseReel Available

Min.: 1
Mult.: 1

: 6,000

SMD/SMT

QFN-32

AVR

8 bit

20 MHz

32 kB

2 kB

10 bit

27 I/O

1.8 V

5.5 V

+ 85 C

AEC-Q100

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 20MHz, 4KB, SOIC8, Ind 125C, Green, T&R

ATTINY412-SSFR
Microchip Technology
1: $0.59
43,137In Stock

Mfr. Part No.
ATTINY412-SSFR

Mouser Part No
579-ATTINY412-SSFR

Microchip Technology

8-bit Microcontrollers - MCU 20MHz, 4KB, SOIC8, Ind 125C, Green, T&R

Learn More

Datasheet

43,137In Stock

Cut Tape

$0.59

$0.566

$0.532

$0.531

Reel

$0.48

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

SMD/SMT

SOIC-8

AVR

8 bit

20 MHz

4 kB

256 B

10 bit

6 I/O

1.8 V

5.5 V

+ 125 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 7KB FL 256R 18 I/O

PIC16F689-I/P
Microchip Technology
1: $2.63
8,747In Stock
110Expected 02/09/2026

Mfr. Part No.
PIC16F689-I/P

Mouser Part No
579-PIC16F689-I/P

Microchip Technology

8-bit Microcontrollers - MCU 7KB FL 256R 18 I/O

Datasheet

8,747In Stock

110Expected 02/09/2026

$2.63

$2.50

Min.: 1
Mult.: 1

Through Hole

PDIP-20

PIC16

8 bit

20 MHz

7 kB

256 B

10 bit

18 I/O

4.5 V

5.5 V

+ 85 C

Tube

8-bit Microcontrollers - MCU 14KB 368 RAM 33 I/O

PIC16F877-20I/L
Microchip Technology
1: $12.19
2,019In Stock

Mfr. Part No.
PIC16F877-20I/L

Mouser Part No
579-PIC16F877-20I/L

Microchip Technology

8-bit Microcontrollers - MCU 14KB 368 RAM 33 I/O

Datasheet

2,019In Stock

$12.19

Min.: 1
Mult.: 1

SMD/SMT

PLCC-44

PIC16

8 bit

20 MHz

14 kB

368 B

10 bit

33 I/O

4 V

5.5 V

+ 85 C

Tube

16-bit Microcontrollers - MCU Mixed Signal MCU A 5 95-MSP430F5659IPZ A A 595-MSP430F5659IPZ

MSP430F5659IPZR
Texas Instruments
1: $16.65
1,856In Stock

Mfr. Part No.
MSP430F5659IPZR

Mouser Part No
595-MSP430F5659IPZR

Texas Instruments

16-bit Microcontrollers - MCU Mixed Signal MCU A 5 95-MSP430F5659IPZ A A 595-MSP430F5659IPZ

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Datasheet

1,856In Stock

Cut Tape

$16.65

$13.18

$11.79

$11.36

View

Reel

$10.17

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

SMD/SMT

LQFP-100

MSP430

16 bit

20 MHz

512 kB

64 kB

12 bit

74 I/O

1.8 V

3.6 V

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 64KB, RWW, 6KB RAM, 32p, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI

AVR64EA32-I/PT
Microchip Technology
1: $1.34
1,130In Stock

Mfr. Part No.
AVR64EA32-I/PT

Mouser Part No
556-AVR64EA32-I/PT

Microchip Technology

8-bit Microcontrollers - MCU 64KB, RWW, 6KB RAM, 32p, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI

Learn More

Datasheet

1,130In Stock

$1.34

$1.22

$1.11

Min.: 1
Mult.: 1

SMD/SMT

TQFP-32

8 bit/16 bit

20 MHz

64 kB

6 kB

12 bit

42 I/O

1.8 V

5.5 V

+ 85 C

Tray

8-bit Microcontrollers - MCU 20MHz, 16KB, VQFN20, 2xADC, PTC, EXT 105C, Tray

ATTINY1616-MF
Microchip Technology
1: $0.92
1,023In Stock

Mfr. Part No.
ATTINY1616-MF

Mouser Part No
579-ATTINY1616MF

Microchip Technology

8-bit Microcontrollers - MCU 20MHz, 16KB, VQFN20, 2xADC, PTC, EXT 105C, Tray

Learn More

Datasheet

1,023In Stock

$0.92

Min.: 1
Mult.: 1

SMD/SMT

VQFN-20

AVR

8 bit/16 bit

20 MHz

16 kB

2 kB

10 bit

18 I/O

1.8 V

5.5 V

+ 125 C

Tray

8-bit Microcontrollers - MCU 20MHz, 16KB, VQFN20, 2xADC, PTC, Ind 105C, Tray

ATTINY1616-MN
Microchip Technology
1: $0.91
199In Stock

Mfr. Part No.
ATTINY1616-MN

Mouser Part No
579-ATTINY1616MN

Microchip Technology

8-bit Microcontrollers - MCU 20MHz, 16KB, VQFN20, 2xADC, PTC, Ind 105C, Tray

Learn More

Datasheet

199In Stock

$0.91

$0.83

$0.75

Min.: 1
Mult.: 1

SMD/SMT

VQFN-20

AVR

8 bit/16 bit

20 MHz

16 kB

2 kB

10 bit

18 I/O

1.8 V

5.5 V

+ 105 C

Tray

8-bit Microcontrollers - MCU 16KB, RWW, 2KB RAM, 28p SPDIP, 85C, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI

AVR16EA28-I/SP
Microchip Technology
1: $2.58
298In Stock

Mfr. Part No.
AVR16EA28-I/SP

Mouser Part No
579-AVR16EA28-I/SP

Microchip Technology

8-bit Microcontrollers - MCU 16KB, RWW, 2KB RAM, 28p SPDIP, 85C, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI

Learn More

Datasheet

298In Stock

$2.58

Min.: 1
Mult.: 1

Through Hole

SPDIP-28

8 bit/16 bit

20 MHz

16 kB

2 kB

12 bit

24 I/O

1.8 V

5.5 V

+ 85 C

Tube

20 MHz Microcontrollers - MCU

Types of Microcontrollers - MCU

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BGA-176
DFN-16
DFN-8
DIP-28
DIP-8
HVQFN-64
LFCSP-48
LFCSP-56
LGA-100
LQFP-100
LQFP-128
LQFP-144
LQFP-32
LQFP-44
LQFP-48
LQFP-52
LQFP-64
LQFP-80
LSSOP-10
LSSOP-20

8051
8052
4T 8051
78K0
78K0R
ARM7TDMI
ARM Cortex M0
ARM Cortex M0+
ARM Cortex M3
ARM Cortex M4
ARM Cortex M4, ARM Cortex M7
AVR
eZ8
eZ80
H8S/2000
M16C/60
MSP430
PIC12
PIC14000
PIC16

512 B
768 B
896 B
1 kB
1.5 kB
1.75 kB
2 kB
3 kB
3.5 kB
4 kB
7 kB
7.2 kB
8 kB
10 kB
12 kB
14 kB
14.3 kB
16 kB
24 kB
28 kB

25 B
36 B
64 B
67 B
68 B
72 B
73 B
80 B
96 B
128 B
134 B
160 B
176 B
192 B
224 B
256 B
336 B
352 B
363 B
368 B

4 I/O
5 I/O
6 I/O
8 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
18 I/O
19 I/O
20 I/O
21 I/O
22 I/O
23 I/O
24 I/O
25 I/O

1.62 V
1.65 V
1.7 V
1.72 V
1.8 V
2 V
2.2 V
2.3 V
2.4 V
2.5 V
2.7 V
3 V
3.3 V
3.5 V
3.65 V
4 V
4.2 V
4.5 V
4.75 V
5.5 V