.hide-partial { max-height: none; } .show-more { display: none; }

20 MHz Microcontrollers - MCU

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Microcontrollers - MCU

List Images

Results: 3,474

Applied Filters:

Maximum Clock Frequency = 20 MHz

Manufacturer

Mounting Style

Package / Case

Core

Program Memory Size

Data Bus Width

ADC Resolution

Number of I/Os

Data RAM Size

Supply Voltage - Min

Supply Voltage - Max

Minimum Operating Temperature

Maximum Operating Temperature

Qualification

Packaging

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

8-bit Microcontrollers - MCU 20MHz, 32KB,VQFN20, Ind 125C, Green, T&R

ATTINY3226-MFR
Microchip Technology
1: $1.14
1,613In Stock

Mfr. Part #
ATTINY3226-MFR

Mouser Part #
494-ATTINY3226-MFR

Microchip Technology

8-bit Microcontrollers - MCU 20MHz, 32KB,VQFN20, Ind 125C, Green, T&R

Learn More

Datasheet

1,613In Stock

Cut Tape

$1.14

$1.11

Reel

$0.94

Min.: 1
Mult.: 1

: 6,000

SMD/SMT

VQFN-20

AVR

32 kB

8 bit/16 bit

12 bit

20 MHz

18 I/O

3 kB

1.8 V

5.5 V

- 40 C

+ 125 C

Reel, Cut Tape

8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V

AT89LP51ED2-20AAU
Microchip Technology
1: $5.64
676In Stock

Mfr. Part #
AT89LP51ED2-20AAU

Mouser Part #
556-AT89LP51ED220AAU

Microchip Technology

8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V

Learn More

Datasheet

676In Stock

$5.64

$5.15

$4.68

Min.: 1
Mult.: 1

SMD/SMT

LQFP-44

8051

64 kB

8 bit

10 bit

20 MHz

36 I/O

256 B

2.4 V

5.5 V

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU Single-Cycle 805132K ISP Flash,2.4-5.5V

AT89LP51RC2-20AU
Microchip Technology
1: $4.26
593In Stock

Mfr. Part #
AT89LP51RC2-20AU

Mouser Part #
556-AT89LP51RC2-20AU

Microchip Technology

8-bit Microcontrollers - MCU Single-Cycle 805132K ISP Flash,2.4-5.5V

Learn More

Datasheet

593In Stock

$4.26

$3.91

$3.53

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

8051

32 kB

8 bit

10 bit

20 MHz

40 I/O

256 B

2.4 V

5.5 V

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V

AT89LP51RD2-20AU
Microchip Technology
1: $5.22
972In Stock

Mfr. Part #
AT89LP51RD2-20AU

Mouser Part #
556-AT89LP51RD2-20AU

Microchip Technology

8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V

Learn More

Datasheet

972In Stock

$5.22

$4.91

$4.90

$4.25

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

8051

64 kB

8 bit

10 bit

20 MHz

40 I/O

256 B

2.4 V

5.5 V

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU Single-Cycle 8051 64K ISP Flash

AT89LP6440-20AU
Microchip Technology
1: $11.70
437In Stock

Mfr. Part #
AT89LP6440-20AU

Mouser Part #
556-AT89LP6440-20AU

Microchip Technology

8-bit Microcontrollers - MCU Single-Cycle 8051 64K ISP Flash

Datasheet

437In Stock

$11.70

$10.72

$9.72

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

8051

64 kB

8 bit

10 bit

20 MHz

38 I/O

4.25 kB

2.4 V

3.6 V

- 40 C

+ 85 C

Tray

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

ATMEGA1284-AUR
Microchip Technology
1: $6.48
1,871In Stock

Mfr. Part #
ATMEGA1284-AUR

Mouser Part #
556-ATMEGA1284-AUR

Microchip Technology

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

Learn More

Datasheet

1,871In Stock

Cut Tape

$6.48

Reel

$6.48

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

SMD/SMT

TQFP-44

AVR

128 kB

8 bit

10 bit

20 MHz

32 I/O

16 kB

1.8 V

5.5 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

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

ATMEGA1284-MU
Microchip Technology
1: $6.30
281In Stock

Mfr. Part #
ATMEGA1284-MU

Mouser Part #
556-ATMEGA1284-MU

Microchip Technology

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

Learn More

Datasheet

281In Stock

$6.30

$5.78

$5.22

Min.: 1
Mult.: 1

SMD/SMT

MLF-44

AVR

128 kB

8 bit

10 bit

20 MHz

32 I/O

16 kB

1.8 V

5.5 V

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU 20MHz, 16KB, SOIC

ATMEGA1608-XU
Microchip Technology
1: $1.05
5,694In Stock

Mfr. Part #
ATMEGA1608-XU

Mouser Part #
556-ATMEGA1608-XU

Microchip Technology

8-bit Microcontrollers - MCU 20MHz, 16KB, SOIC

Learn More

Datasheet

5,694In Stock

$1.05

$0.96

$0.87

Min.: 1
Mult.: 1

SMD/SMT

SSOP-28

AVR

16 kB

8 bit

10 bit

20 MHz

27 I/O

2 kB

1.8 V

5.5 V

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU 16KB 512B 1KB 20 MHZ TQFP GRN

ATMEGA168PB-AU
Microchip Technology
1: $1.51
2,240In Stock

Mfr. Part #
ATMEGA168PB-AU

Mouser Part #
556-ATMEGA168PB-AU

Microchip Technology

8-bit Microcontrollers - MCU 16KB 512B 1KB 20 MHZ TQFP GRN

Learn More

Datasheet

2,240In Stock

$1.51

$1.49

$1.27

$1.26

$1.23

Min.: 1
Mult.: 1

SMD/SMT

TQFP-32

AVR

16 kB

8 bit

10 bit

20 MHz

27 I/O

1 kB

1.8 V

5.5 V

- 40 C

+ 105 C

Tray

8-bit Microcontrollers - MCU 20 MHZ, QFN/MLF, 105C, GREEN, 5V

ATMEGA168PB-MN
Microchip Technology
1: $1.46
1,826In Stock

Mfr. Part #
ATMEGA168PB-MN

Mouser Part #
556-ATMEGA168PB-MN

Microchip Technology

8-bit Microcontrollers - MCU 20 MHZ, QFN/MLF, 105C, GREEN, 5V

Learn More

Datasheet

1,826In Stock

$1.46

$1.34

$1.22

Min.: 1
Mult.: 1

SMD/SMT

VQFN-32

AVR

16 kB

8 bit

10 bit

20 MHz

27 I/O

1 kB

1.8 V

5.5 V

- 40 C

+ 105 C

Tray

8-bit Microcontrollers - MCU 16KB 512B 1KB 20 MHZ QFN/MLF GRN 5V

ATMEGA168PB-MU
Microchip Technology
1: $1.45
6,898In Stock

Mfr. Part #
ATMEGA168PB-MU

Mouser Part #
556-ATMEGA168PB-MU

Microchip Technology

8-bit Microcontrollers - MCU 16KB 512B 1KB 20 MHZ QFN/MLF GRN 5V

Learn More

Datasheet

6,898In Stock

$1.45

Min.: 1
Mult.: 1

SMD/SMT

VFQFN-32

AVR

16 kB

8 bit

10 bit

20 MHz

27 I/O

1 kB

1.8 V

5.5 V

- 40 C

+ 105 C

Tray

8-bit Microcontrollers - MCU 16KB 512B 1KB20 MHZ QFN/MLF GRN 5V

ATMEGA168PB-MUR
Microchip Technology
1: $1.52
2,825In Stock

Mfr. Part #
ATMEGA168PB-MUR

Mouser Part #
556-ATMEGA168PB-MUR

Microchip Technology

8-bit Microcontrollers - MCU 16KB 512B 1KB20 MHZ QFN/MLF GRN 5V

Learn More

Datasheet

2,825In Stock

Cut Tape

$1.52

$1.49

$1.45

$1.44

$1.43

Reel

$1.26

MouseReel Available

Min.: 1
Mult.: 1

: 6,000

SMD/SMT

VQFN-32

AVR

16 kB

8 bit

10 bit

20 MHz

27 I/O

1 kB

1.8 V

5.5 V

- 40 C

+ 105 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 20MHz, 32KB, TQFP

ATMEGA3208-AU
Microchip Technology
1: $1.45
1,335In Stock
2,250Expected 11/30/2026

Mfr. Part #
ATMEGA3208-AU

Mouser Part #
556-ATMEGA3208-AU

Microchip Technology

8-bit Microcontrollers - MCU 20MHz, 32KB, TQFP

Learn More

Datasheet

1,335In Stock

2,250Expected 11/30/2026

$1.45

$1.32

$1.20

Min.: 1
Mult.: 1

SMD/SMT

TQFP-32

AVR

32 kB

8 bit

10 bit

20 MHz

27 I/O

4 kB

1.8 V

5.5 V

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU 20MHz, 32KB, VQFN

ATMEGA3208-MU
Microchip Technology
1: $1.28
2,554In Stock

Mfr. Part #
ATMEGA3208-MU

Mouser Part #
556-ATMEGA3208-MU

Microchip Technology

8-bit Microcontrollers - MCU 20MHz, 32KB, VQFN

Learn More

Datasheet

2,554In Stock

$1.28

$1.16

$1.05

Min.: 1
Mult.: 1

SMD/SMT

VQFN-32

AVR

32 kB

8 bit

10 bit

20 MHz

27 I/O

4 kB

1.8 V

5.5 V

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU 20MHz, 32KB,

ATMEGA3208-XFR
Microchip Technology
1: $1.40
5,333In Stock

Mfr. Part #
ATMEGA3208-XFR

Mouser Part #
556-ATMEGA3208-XFR

Microchip Technology

8-bit Microcontrollers - MCU 20MHz, 32KB,

Learn More

Datasheet

5,333In Stock

Cut Tape

$1.40

Reel

$1.40

Min.: 1
Mult.: 1

: 2,100

SMD/SMT

SSOP-32

AVR

32 kB

8 bit

10 bit

20 MHz

23 I/O

4 kB

1.8 V

5.5 V

- 40 C

+ 125 C

Reel, Cut Tape

8-bit Microcontrollers - MCU 20MHz, 32KB, TQFP

ATMEGA3209-AUR
Microchip Technology
1: $1.71
2,255In Stock

Mfr. Part #
ATMEGA3209-AUR

Mouser Part #
556-ATMEGA3209-AUR

Microchip Technology

8-bit Microcontrollers - MCU 20MHz, 32KB, TQFP

Learn More

Datasheet

2,255In Stock

Cut Tape

$1.71

Reel

$1.71

$1.59

Quote

Min.: 1
Mult.: 1

: 2,500

SMD/SMT

TQFP-48

AVR

32 kB

8 bit

10 bit

20 MHz

41 I/O

4 kB

1.8 V

5.5 V

- 40 C

+ 85 C

Reel, Cut Tape

8-bit Microcontrollers - MCU 20MHZ, TQFP, Extended TEMP, GREEN 5 V

ATMEGA324PB-AN
Microchip Technology
1: $2.23
2,615In Stock
3,200Expected 3/8/2027

Mfr. Part #
ATMEGA324PB-AN

Mouser Part #
556-ATMEGA324PB-AN

Microchip Technology

8-bit Microcontrollers - MCU 20MHZ, TQFP, Extended TEMP, GREEN 5 V

Learn More

Datasheet

2,615In Stock

3,200Expected 3/8/2027

$2.23

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

AVR

32 kB

8 bit

10 bit

20 MHz

39 I/O

2 kB

1.8 V

5.5 V

- 40 C

+ 105 C

AEC-Q100

Tray

8-bit Microcontrollers - MCU 20MHZ,TQFP, Extended TEMP, GREEN 5 V T&R

ATMEGA324PB-ANR
Microchip Technology
1: $2.32
3,484In Stock

Mfr. Part #
ATMEGA324PB-ANR

Mouser Part #
556-ATMEGA324PB-ANR

Microchip Technology

8-bit Microcontrollers - MCU 20MHZ,TQFP, Extended TEMP, GREEN 5 V T&R

Learn More

Datasheet

3,484In Stock

Cut Tape

$2.32

$2.27

$1.93

Reel

$1.93

Min.: 1
Mult.: 1

: 2,000

SMD/SMT

TQFP-44

AVR

32 kB

8 bit

10 bit

20 MHz

39 I/O

2 kB

1.8 V

5.5 V

- 40 C

+ 105 C

AEC-Q100

Reel, Cut Tape

8-bit Microcontrollers - MCU 20MHZ, TQFP, IND TEMP, GREEN 5 V

ATMEGA324PB-AU
Microchip Technology
1: $2.23
2,721In Stock
5,760Expected 9/2/2026

Mfr. Part #
ATMEGA324PB-AU

Mouser Part #
556-ATMEGA324PBAU

Microchip Technology

8-bit Microcontrollers - MCU 20MHZ, TQFP, IND TEMP, GREEN 5 V

Learn More

Datasheet

2,721In Stock

5,760Expected 9/2/2026

$2.23

$2.05

$1.90

$1.89

$1.85

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

AVR

32 kB

8 bit

10 bit

20 MHz

39 I/O

2 kB

1.8 V

5.5 V

- 40 C

+ 85 C

AEC-Q100

Tray

8-bit Microcontrollers - MCU AVR 32K FLSH 2K SRAM 1KB EE-20MHz IND,5V

ATMEGA325P-20AUR
Microchip Technology
1: $6.28
821In Stock

Mfr. Part #
ATMEGA325P-20AUR

Mouser Part #
556-ATMEGA325P-20AUR

Microchip Technology

8-bit Microcontrollers - MCU AVR 32K FLSH 2K SRAM 1KB EE-20MHz IND,5V

Datasheet

821In Stock

Cut Tape

$6.28

$6.11

Reel

$5.21

Min.: 1
Mult.: 1

: 1,000

SMD/SMT

TQFP-64

AVR

32 kB

8 bit

10 bit

20 MHz

54 I/O

2 kB

2.7 V

5.5 V

- 40 C

+ 85 C

Reel, Cut Tape

8-bit Microcontrollers - MCU 64kB Flash 2kB EEPROM 32 I/O Pins

ATMEGA644-20AU
Microchip Technology
1: $6.86
1,174In Stock

Mfr. Part #
ATMEGA644-20AU

Mouser Part #
556-ATMEGA644-20AU

Microchip Technology

8-bit Microcontrollers - MCU 64kB Flash 2kB EEPROM 32 I/O Pins

Learn More

Datasheet

1,174In Stock

$6.86

$6.30

$5.71

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

AVR

64 kB

8 bit

10 bit

20 MHz

32 I/O

4 kB

2.7 V

5.5 V

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU 16 MHz, 105C, Green, TQFP

ATMEGA644PA-AN
Microchip Technology
1: $6.72
255In Stock
480Expected 10/26/2026

Mfr. Part #
ATMEGA644PA-AN

Mouser Part #
556-ATMEGA644PA-AN

Microchip Technology

8-bit Microcontrollers - MCU 16 MHz, 105C, Green, TQFP

Learn More

Datasheet

255In Stock

480Expected 10/26/2026

$6.72

$6.15

$5.57

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

AVR

64 kB

8 bit

10 bit

20 MHz

32 I/O

4 kB

1.8 V

5.5 V

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU 20MHz, 16KB, SOIC20, Ind 105C, Green, Tube

ATTINY1606-SN
Microchip Technology
1: $1.06
4,120In Stock

Mfr. Part #
ATTINY1606-SN

Mouser Part #
556-ATTINY1606-SN

Microchip Technology

8-bit Microcontrollers - MCU 20MHz, 16KB, SOIC20, Ind 105C, Green, Tube

Learn More

Datasheet

4,120In Stock

$1.06

Min.: 1
Mult.: 1

SMD/SMT

SOIC-20

AVR

16 kB

8 bit

10 bit

20 MHz

18 I/O

1 kB

1.8 V

5.5 V

- 40 C

+ 105 C

Tube

8-bit Microcontrollers - MCU 20MHZ SOIC 85C GRN

ATTINY1616-SNR
Microchip Technology
1: $1.16
2,198In Stock

Mfr. Part #
ATTINY1616-SNR

Mouser Part #
556-ATTINY1616SNR

Microchip Technology

8-bit Microcontrollers - MCU 20MHZ SOIC 85C GRN

Learn More

Datasheet

2,198In Stock

Cut Tape

$1.16

$1.14

$1.11

$1.05

Reel

$1.05

$0.96

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

SOIC-20

AVR

16 kB

8 bit

10 bit

20 MHz

18 I/O

2 kB

1.8 V

5.5 V

- 40 C

+ 105 C

AEC-Q100

Reel, Cut Tape

8-bit Microcontrollers - MCU 20MHz, 4KB, SOIC14, Ind 125C, Green, T&R

ATTINY404-SSFR
Microchip Technology
1: $0.66
6,045In Stock
6,000Expected 11/26/2026

Mfr. Part #
ATTINY404-SSFR

Mouser Part #
556-ATTINY404-SSFR

Microchip Technology

8-bit Microcontrollers - MCU 20MHz, 4KB, SOIC14, Ind 125C, Green, T&R

Learn More

Datasheet

6,045In Stock

6,000Expected 11/26/2026

Cut Tape

$0.66

$0.643

Reel

$0.55

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

SMD/SMT

SOIC-14

AVR

4 kB

8 bit

10 bit

20 MHz

12 I/O

256 B

1.8 V

5.5 V

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

20 MHz Microcontrollers - MCU

Types of Microcontrollers - MCU

Customer Service Office

Company

Resources

Support

BGA-176
DFN-16
DFN-8
DIP-28
DIP-8
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
MLF-10

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

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

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

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