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20 MHz Embedded Processors & Controllers

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Maximum Clock Frequency = 20 MHz

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Part #

8-bit Microcontrollers - MCU 16KB, RWW, 2KB RAM, 32p, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI

AVR16EA32T-I/RXB
Microchip Technology
1: $1.39
4,974In Stock

Mfr. Part No.
AVR16EA32T-I/RXB

Mouser Part No
579-AVR16EA32T-I/RXB

Microchip Technology

8-bit Microcontrollers - MCU 16KB, RWW, 2KB RAM, 32p, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI

Learn More

Datasheet

4,974In Stock

Cut Tape

$1.39

Reel

$1.39

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

8-bit Microcontrollers - MCU

SMD/SMT

VQFN-32

8 bit/16 bit

20 MHz

16 kB

2 kB

12 bit

28 I/O

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 16KB, RWW, 2KB RAM, 32p, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI

AVR16EA32T-E/RXB
Microchip Technology
1: $1.54
4,913In Stock

Mfr. Part No.
AVR16EA32T-E/RXB

Mouser Part No
579-AVR16EA32TERXB

Microchip Technology

8-bit Microcontrollers - MCU 16KB, RWW, 2KB RAM, 32p, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI

Learn More

Datasheet

4,913In Stock

Cut Tape

$1.54

Reel

$1.54

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

8-bit Microcontrollers - MCU

SMD/SMT

VQFN-32

AVR

8 bit

20 MHz

16 kB

2 kB

12 bit

24 I/O

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 16KB RWW,2KB RAM,28p,20MHz,12-bit ADC,PGA,UART,SPI,I2C,2xTCB,TCEX,TCF,WEX

AVR16EB28T-I/SS
Microchip Technology
1: $1.40
2,088In Stock

Mfr. Part No.
AVR16EB28T-I/SS

Mouser Part No
579-AVR16EB28TISS

Microchip Technology

8-bit Microcontrollers - MCU 16KB RWW,2KB RAM,28p,20MHz,12-bit ADC,PGA,UART,SPI,I2C,2xTCB,TCEX,TCF,WEX

Learn More

Datasheet

2,088In Stock

Cut Tape

$1.40

Reel

$1.40

MouseReel Available

Min.: 1
Mult.: 1

: 2,100

8-bit Microcontrollers - MCU

SMD/SMT

SSOP-28

AVR

8 bit

20 MHz

16 kB

2 kB

12 bit

24 I/O

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 16KB RWW,2KB RAM,32p,20MHz,12-bit ADC,PGA,UART,SPI,I2C,2xTCB,TCEX,TCF,WEX

AVR16EB32T-E/RXB
Microchip Technology
1: $1.55
4,979In Stock

Mfr. Part No.
AVR16EB32T-E/RXB

Mouser Part No
579-AVR16EB32T-E/RXB

Microchip Technology

8-bit Microcontrollers - MCU 16KB RWW,2KB RAM,32p,20MHz,12-bit ADC,PGA,UART,SPI,I2C,2xTCB,TCEX,TCF,WEX

Learn More

Datasheet

4,979In Stock

Cut Tape

$1.55

Reel

$1.55

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

8-bit Microcontrollers - MCU

SMD/SMT

VQFN-32

AVR

8 bit

20 MHz

16 kB

2 kB

12 bit

28 I/O

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 32KB, RWW, 4KB RAM, 28p, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI

AVR32EA28T-E/STX
Microchip Technology
1: $1.48
3,300In Stock

Mfr. Part No.
AVR32EA28T-E/STX

Mouser Part No
579-AVR32EA28T-E/STX

Microchip Technology

8-bit Microcontrollers - MCU 32KB, RWW, 4KB RAM, 28p, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI

Learn More

Datasheet

3,300In Stock

Cut Tape

$1.48

Reel

$1.48

MouseReel Available

Min.: 1
Mult.: 1

: 3,300

8-bit Microcontrollers - MCU

SMD/SMT

VQN-28

AVR

8 bit

20 MHz

32 kB

4 kB

12 bit

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 32KB, RWW, 4KB RAM, 28p, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI

AVR32EA28T-I/STX
Microchip Technology
1: $1.35
3,300In Stock

Mfr. Part No.
AVR32EA28T-I/STX

Mouser Part No
579-AVR32EA28T-I/STX

Microchip Technology

8-bit Microcontrollers - MCU 32KB, RWW, 4KB RAM, 28p, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI

Learn More

Datasheet

3,300In Stock

Cut Tape

$1.35

Reel

$1.35

MouseReel Available

Min.: 1
Mult.: 1

: 3,300

8-bit Microcontrollers - MCU

SMD/SMT

VQFN-28

AVR

8 bit

20 MHz

32 kB

4 kB

12 bit

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 32KB, RWW, 4KB RAM, 32p, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI

AVR32EA32T-I/PT
Microchip Technology
1: $1.60
1,345In Stock

Mfr. Part No.
AVR32EA32T-I/PT

Mouser Part No
579-AVR32EA32T-I/PT

Microchip Technology

8-bit Microcontrollers - MCU 32KB, RWW, 4KB RAM, 32p, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI

Learn More

Datasheet

1,345In Stock

Cut Tape

$1.60

Reel

$1.60

MouseReel Available

Min.: 1
Mult.: 1

: 1,600

8-bit Microcontrollers - MCU

SMD/SMT

TQFP-32

AVR

8 bit

20 MHz

32 kB

4 kB

12 bit

27 I/O

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 32KB, RWW, 4KB RAM, 48p, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI

AVR32EA48T-E/6LX
Microchip Technology
1: $2.08
3,285In Stock

Mfr. Part No.
AVR32EA48T-E/6LX

Mouser Part No
579-AVR32EA48T-E/6LX

Microchip Technology

8-bit Microcontrollers - MCU 32KB, RWW, 4KB RAM, 48p, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI

Learn More

Datasheet

3,285In Stock

Cut Tape

$2.08

Reel

$2.08

Min.: 1
Mult.: 1

: 3,300

8-bit Microcontrollers - MCU

SMD/SMT

VQFN-48

AVR

8 bit/16 bit

20 MHz

32 kB

4 kB

12 bit

42 I/O

- 40 C

+ 125 C

Reel, Cut Tape

8-bit Microcontrollers - MCU 32KB, RWW, 4KB RAM, 48p, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI

AVR32EA48T-E/PT
Microchip Technology
1: $2.09
1,502In Stock

Mfr. Part No.
AVR32EA48T-E/PT

Mouser Part No
579-AVR32EA48T-E/PT

Microchip Technology

8-bit Microcontrollers - MCU 32KB, RWW, 4KB RAM, 48p, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI

Learn More

Datasheet

1,502In Stock

Cut Tape

$2.09

Reel

$2.09

Min.: 1
Mult.: 1

: 1,600

8-bit Microcontrollers - MCU

SMD/SMT

TQFP-48

AVR

8 bit/16 bit

20 MHz

32 kB

4 kB

12 bit

42 I/O

- 40 C

+ 125 C

Reel, Cut Tape

8-bit Microcontrollers - MCU 64KB, RWW, 6KB RAM, 28p, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI

AVR64EA28T-E/SS
Microchip Technology
1: $1.77
2,071In Stock

Mfr. Part No.
AVR64EA28T-E/SS

Mouser Part No
579-AVR64EA28T-E/SS

Microchip Technology

8-bit Microcontrollers - MCU 64KB, RWW, 6KB RAM, 28p, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI

Learn More

Datasheet

2,071In Stock

Cut Tape

$1.77

Reel

$1.77

Min.: 1
Mult.: 1

: 2,100

8-bit Microcontrollers - MCU

SMD/SMT

SSOP-28

AVR

8 bit/16 bit

20 MHz

64 kB

6 kB

12 bit

24 I/O

- 40 C

+ 125 C

Reel, Cut Tape

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

AVR64EA32T-E/RXB
Microchip Technology
1: $1.93
4,980In Stock

Mfr. Part No.
AVR64EA32T-E/RXB

Mouser Part No
579-AVR64EA32T-E/RXB

Microchip Technology

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

Learn More

Datasheet

4,980In Stock

Cut Tape

$1.93

Reel

$1.93

Min.: 1
Mult.: 1

: 5,000

8-bit Microcontrollers - MCU

SMD/SMT

VQFN-32

AVR

8 bit/16 bit

20 MHz

64 kB

6 kB

12 bit

28 I/O

- 40 C

+ 125 C

Reel, Cut Tape

8-bit Microcontrollers - MCU AVR 16K FLASH,ADC IND TEMP,5V

ATMEGA168-20AUR
Microchip Technology
1: $5.25
3,753In Stock
NRND

Mfr. Part No.
ATMEGA168-20AUR

Mouser Part No
556-ATMEGA168-20AUR

NRND

Microchip Technology

8-bit Microcontrollers - MCU AVR 16K FLASH,ADC IND TEMP,5V

Learn More

Datasheet

3,753In Stock

Cut Tape

$5.25

Reel

$5.25

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

8-bit Microcontrollers - MCU

SMD/SMT

TQFP-32

AVR

8 bit

20 MHz

16 kB

1 kB

10 bit

23 I/O

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 16kB Flash 0.5kB EEPROM 23 I/O Pins

ATMEGA168-20PU
Microchip Technology
1: $5.48
650In Stock
NRND

Mfr. Part No.
ATMEGA168-20PU

Mouser Part No
556-ATMEGA168-20PU

NRND

Microchip Technology

8-bit Microcontrollers - MCU 16kB Flash 0.5kB EEPROM 23 I/O Pins

Learn More

Datasheet

650In Stock

$5.48

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

Through Hole

PDIP-28

AVR

8 bit

20 MHz

16 kB

1 kB

10 bit

23 I/O

- 40 C

+ 85 C

Tube

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

ATMEGA168P-20AUR
Microchip Technology
1: $5.77
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

Learn More

Datasheet

3,318In Stock

Cut Tape

$5.77

$5.63

$4.79

Reel

$4.79

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

8-bit Microcontrollers - MCU

SMD/SMT

TQFP-32

AVR

8 bit

20 MHz

16 kB

1 kB

10 bit

23 I/O

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

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

ATMEGA324A-MU
Microchip Technology
1: $6.35
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

Learn More

Datasheet

396In Stock

$6.35

$6.22

$6.19

$6.17

$5.15

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

VQFN-44

AVR

8 bit

20 MHz

32 kB

2 kB

10 bit

32 I/O

- 40 C

+ 85 C

Tray

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

ATMEGA328P-AU
Microchip Technology
1: $3.62
9,602In 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

Learn More

Datasheet

9,602In Stock

$3.62

$3.32

$2.99

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

TQFP-32

AVR

8 bit

20 MHz

32 kB

2 kB

10 bit

23 I/O

- 40 C

+ 85 C

Tray

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

ATMEGA328P-AUR
Microchip Technology
1: $3.73
23,934In Stock
16,000Expected 31/8/2026
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

Learn More

Datasheet

23,934In Stock

16,000Expected 31/8/2026

Cut Tape

$3.73

$3.69

$3.56

$3.50

View

Reel

$3.13

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

8-bit Microcontrollers - MCU

SMD/SMT

TQFP-32

AVR

8 bit

20 MHz

32 kB

2 kB

10 bit

23 I/O

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

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

ATMEGA328P-PU
Microchip Technology
1: $3.93
9,215In 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

Learn More

Datasheet

Product Comments

9,215In Stock

$3.93

$3.60

$3.25

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

Through Hole

PDIP-28

AVR

8 bit

20 MHz

32 kB

2 kB

10 bit

23 I/O

- 40 C

+ 85 C

Tube

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

ATMEGA88A-PU
Microchip Technology
1: $3.45
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

Learn More

Datasheet

1,707In Stock

$3.45

$3.17

$2.87

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

Through Hole

PDIP-28

AVR

8 bit

20 MHz

8 kB

1 kB

10 bit

23 I/O

- 40 C

+ 85 C

Tube

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

ATTINY4313-MUR
Microchip Technology
1: $1.40
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

$1.40

$1.35

$1.27

$1.25

Reel

$1.16

MouseReel Available

Min.: 1
Mult.: 1

: 6,000

8-bit Microcontrollers - MCU

SMD/SMT

MLF-20

AVR

8 bit

20 MHz

4 kB

256 B

No ADC

18 I/O

- 40 C

+ 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: $1.70
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

$1.70

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

SOIC-20

AVR

8 bit

20 MHz

4 kB

256 B

No ADC

18 I/O

- 40 C

+ 85 C

Tube

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

ATTINY4313-SUR
Microchip Technology
1: $1.81
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

$1.81

Reel

$1.81

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

8-bit Microcontrollers - MCU

SMD/SMT

SOIC-20

AVR

8 bit

20 MHz

4 kB

256 B

No ADC

18 I/O

- 40 C

+ 105 C

Reel, Cut Tape, MouseReel

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

ATTINY44A-SSFR
Microchip Technology
1: $1.40
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

$1.40

$1.35

Reel

$1.16

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

8-bit Microcontrollers - MCU

SMD/SMT

SOIC-14

AVR

8 bit

20 MHz

4 kB

256 B

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

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

ATTINY45-20SU
Microchip Technology
1: $1.86
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

Learn More

Datasheet

4,977In Stock

$1.86

$1.71

$1.54

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

SOIC-8

AVR

8 bit

20 MHz

4 kB

256 B

10 bit

6 I/O

- 40 C

+ 85 C

Tube

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

ATTINY84-20SSU
Microchip Technology
1: $3.45
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

$3.45

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

SOIC-14

AVR

8 bit

20 MHz

8 kB

512 B

10 bit

12 I/O

- 40 C

+ 85 C

Tube

20 MHz Embedded Processors & Controllers

Types of Embedded Processors & Controllers

Customer Service Office

Company

Resources

Support

BGA-144
BGA-176
DFN-16
DFN-8
DIP-28
DIP-40
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

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
C54x
dsPIC30F
EMP
eZ8
eZ80
H8S/2000
M16C/60
MSP430

512 B
768 B
896 B
1 kB
1.5 kB
1.75 kB
2 kB
3 kB
3.5 kB
4 kB
6 kB
7 kB
7.2 kB
8 kB
10 kB
12 kB
14 kB
14.3 kB
16 kB
24 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
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
18 I/O
19 I/O
20 I/O
21 I/O
22 I/O
23 I/O
24 I/O