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

20 MHz Embedded Processors & Controllers

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

Types of Embedded Processors & Controllers

List Images

Results: 3,606

Applied Filters:

Maximum Clock Frequency = 20 MHz

Manufacturer

Product Type

Mounting Style

Package/Case

Core

Data Bus Width

Program Memory Size

Data RAM Size

ADC Resolution

Number of I/Os

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 AVR 4K FLASH 256B EE 20MHZ TEMP GRN 1.8V

ATMEGA48P-20MU
Microchip Technology
1: $3.62
82In Stock
NRND

Mfr. Part No.
ATMEGA48P-20MU

Mouser Part No
556-ATMEGA48P-20MU

NRND

Microchip Technology

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

Datasheet

82In Stock

$3.62

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

MLF-32

AVR

8 bit

20 MHz

4 kB

512 B

10 bit

23 I/O

- 40 C

+ 85 C

Tray

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

ATMEGA88-20AU
Microchip Technology
1: $4.58
301In Stock
NRND

Mfr. Part No.
ATMEGA88-20AU

Mouser Part No
556-ATMEGA88-20AU

NRND

Microchip Technology

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

Learn More

Datasheet

301In Stock

$4.58

$4.19

$3.81

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

TQFP-32

AVR

8 bit

20 MHz

8 kB

1 kB

10 bit

23 I/O

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU AVR 8K FLSH 2KB EE 4KB SRAM-20MHz 5V

ATMEGA88-20AUR
Microchip Technology
1: $4.69
724In Stock
8,000Expected 16/9/2026
NRND

Mfr. Part No.
ATMEGA88-20AUR

Mouser Part No
556-ATMEGA88-20AUR

NRND

Microchip Technology

8-bit Microcontrollers - MCU AVR 8K FLSH 2KB EE 4KB SRAM-20MHz 5V

Learn More

Datasheet

724In Stock

8,000Expected 16/9/2026

Cut Tape

$4.69

$4.57

$4.46

$4.42

View

Reel

$3.89

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

8-bit Microcontrollers - MCU

SMD/SMT

TQFP-32

AVR

8 bit

20 MHz

8 kB

1 kB

10 bit

23 I/O

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 2K FLASH 128B EE 128B SRAM 1 UART

ATTINY2313A-SU
Microchip Technology
1: $1.94
2,796In Stock
NRND

Mfr. Part No.
ATTINY2313A-SU

Mouser Part No
556-ATTINY2313A-SU

NRND

Microchip Technology

8-bit Microcontrollers - MCU 2K FLASH 128B EE 128B SRAM 1 UART

Datasheet

2,796In Stock

$1.94

$1.80

$1.65

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

SOIC-20

AVR

8 bit

20 MHz

2 kB

128 B

No ADC

18 I/O

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU 4KB FLSH 256B EE256B SRAM-20MHz, IND 5V

ATTINY45-20XUR
Microchip Technology
1: $2.09
3,728In Stock
NRND

Mfr. Part No.
ATTINY45-20XUR

Mouser Part No
556-ATTINY45-20XUR

NRND

Microchip Technology

8-bit Microcontrollers - MCU 4KB FLSH 256B EE256B SRAM-20MHz, IND 5V

Learn More

Datasheet

3,728In Stock

Cut Tape

$2.09

$2.03

Reel

$1.73

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

8-bit Microcontrollers - MCU

SMD/SMT

TSSOP-8

AVR

8 bit

20 MHz

4 kB

256 B

10 bit

6 I/O

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU AVR 4K FLSH 256B EE 256B SRAM ADC 5V

ATTINY461-20SU
Microchip Technology
1: $3.14
337In Stock
NRND

Mfr. Part No.
ATTINY461-20SU

Mouser Part No
556-ATTINY461-20SU

NRND

Microchip Technology

8-bit Microcontrollers - MCU AVR 4K FLSH 256B EE 256B SRAM ADC 5V

Learn More

Datasheet

337In Stock

$3.14

$2.88

$2.61

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

SOIC-20

AVR

8 bit

20 MHz

4 kB

256 B

10 bit

16 I/O

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU 3.5KB 128 RAM 33 I/O

PIC16F871-I/PT
Microchip Technology
1: $8.68
408In Stock
4,800Expected 16/11/2026
NRND

Mfr. Part No.
PIC16F871-I/PT

Mouser Part No
579-PIC16F871-I/PT

NRND

Microchip Technology

8-bit Microcontrollers - MCU 3.5KB 128 RAM 33 I/O

Datasheet

408In Stock

4,800Expected 16/11/2026

$8.68

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

TQFP-44

PIC16

8 bit

20 MHz

3.5 kB

128 B

10 bit

33 I/O

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU 8 BIT,HCS08L Core, 8k Flash

MC9S08PA16VLC
NXP Semiconductors
1: $5.21
3,616In Stock
NRND

Mfr. Part No.
MC9S08PA16VLC

Mouser Part No
841-MC9S08PA16VLC

NRND

NXP Semiconductors

8-bit Microcontrollers - MCU 8 BIT,HCS08L Core, 8k Flash

Learn More

Datasheet

3,616In Stock

$5.21

$3.93

$3.41

$3.26

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

LQFP-32

S08

8 bit

20 MHz

16 kB

2 kB

12 bit

28 I/O

- 40 C

+ 105 C

AEC-Q100

Tray

8-bit Microcontrollers - MCU S08PA 8-bit MCU, S08 core, 4KB Flash, SOP 16

MC9S08PA4VTG
NXP Semiconductors
1: $2.46
708In Stock
NRND

Mfr. Part No.
MC9S08PA4VTG

Mouser Part No
841-MC9S08PA4VTG

NRND

NXP Semiconductors

8-bit Microcontrollers - MCU S08PA 8-bit MCU, S08 core, 4KB Flash, SOP 16

Learn More

Datasheet

708In Stock

$2.46

$1.81

$1.47

$1.40

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

TSSOP-16

S08

8 bit

20 MHz

4 kB

512 B

12 bit

14 I/O

- 40 C

+ 105 C

AEC-Q100

Tube

8-bit Microcontrollers - MCU 8BIT MICROCONTROLLER FLASH 78K0/KB2

UPD78F0501AMC-CAB-AX
Renesas Electronics
1: $8.28
210In Stock
NRND

Mfr. Part No.
UPD78F0501AMC-CAB-AX

Mouser Part No
968-D78F0501AMCCABAX

NRND

Renesas Electronics

8-bit Microcontrollers - MCU 8BIT MICROCONTROLLER FLASH 78K0/KB2

Datasheet

210In Stock

$8.28

$6.34

$5.56

$5.11

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

78K0

8 bit

20 MHz

16 kB

768 B

10 bit

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU SINGLE CYCLE 2K FLASH-20MHZ 2.4-5.5V

AT89LP2052-20XU
Microchip Technology
1: $4.34
8In Stock

Mfr. Part No.
AT89LP2052-20XU

Mouser Part No
556-A89LP2052-20XU

Microchip Technology

8-bit Microcontrollers - MCU SINGLE CYCLE 2K FLASH-20MHZ 2.4-5.5V

Datasheet

8In Stock

$4.34

$3.77

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

TSSOP-20

8051

8 bit

20 MHz

2 kB

256 B

15 I/O

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU SINGLE CYCLE 4K FLASH-20MHZ 2.4-5.5V

AT89LP4052-20PU
Microchip Technology
1: $3.66
254In Stock
1,134On Order

Mfr. Part No.
AT89LP4052-20PU

Mouser Part No
556-A89LP4052-20PU

Microchip Technology

8-bit Microcontrollers - MCU SINGLE CYCLE 4K FLASH-20MHZ 2.4-5.5V

Datasheet

254In Stock

1,134On Order

$3.66

$3.24

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

Through Hole

PDIP-20

8051

8 bit

20 MHz

4 kB

256 B

No ADC

15 I/O

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU Single Cycle 8051 4K ISP FL

AT89LP51-20AU
Microchip Technology
1: $2.34
130In Stock
480Expected 23/10/2026

Mfr. Part No.
AT89LP51-20AU

Mouser Part No
556-AT89LP51-20AU

Microchip Technology

8-bit Microcontrollers - MCU Single Cycle 8051 4K ISP FL

Learn More

Datasheet

130In Stock

480Expected 23/10/2026

$2.34

$2.12

$1.93

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

TQFP-44

8051

8 bit

20 MHz

4 kB

256 B

No ADC

36 I/O

- 40 C

+ 85 C

Tray

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

AT89LP51RD2-20JU
Microchip Technology
1: $8.09
143In Stock
135On Order

Mfr. Part No.
AT89LP51RD2-20JU

Mouser Part No
556-AT89LP51RD2-20JU

Microchip Technology

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

Learn More

Datasheet

143In Stock

135On Order

$8.09

$7.43

$7.13

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

PLCC-44

8051

8 bit

20 MHz

64 kB

256 B

10 bit

40 I/O

- 40 C

+ 85 C

Tube

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

AT89LP51RD2-20PU
Microchip Technology
1: $7.26
89In Stock

Mfr. Part No.
AT89LP51RD2-20PU

Mouser Part No
556-AT89LP51RD2-20PU

Microchip Technology

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

Learn More

Datasheet

89In Stock

$7.26

$6.69

$6.04

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

Through Hole

PDIP-40

8051

8 bit

20 MHz

64 kB

256 B

10 bit

40 I/O

- 40 C

+ 85 C

Tube

ARM Microcontrollers - MCU LQFP GRN IND TMP MRLC

AT91SAM7X128C-AU
Microchip Technology
1: $13.67
124In Stock

Mfr. Part No.
AT91SAM7X128C-AU

Mouser Part No
556-AT91SAM7X128C-AU

Microchip Technology

ARM Microcontrollers - MCU LQFP GRN IND TMP MRLC

Learn More

Datasheet

124In Stock

$13.67

$13.00

$12.73

$11.25

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-100

ARM7TDMI

32 bit

20 MHz

128 kB

32 kB

10 bit

62 I/O

- 40 C

+ 85 C

Tray

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

ATMEGA1284P-PU
Microchip Technology
1: $10.10
69In Stock
800On Order

Mfr. Part No.
ATMEGA1284P-PU

Mouser Part No
556-ATMEGA1284P-PU

Microchip Technology

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

Learn More

Datasheet

69In Stock

800On Order

$10.10

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

Through Hole

PDIP-40

AVR

8 bit

20 MHz

128 kB

16 kB

10 bit

32 I/O

- 40 C

+ 85 C

Tube

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

ATMEGA1608-AU
Microchip Technology
1: $1.74
1,137In Stock

Mfr. Part No.
ATMEGA1608-AU

Mouser Part No
556-ATMEGA1608-AU

Microchip Technology

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

Learn More

Datasheet

1,137In Stock

$1.74

$1.58

$1.43

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

TQFP-32

AVR

8 bit

20 MHz

16 kB

2 kB

10 bit

27 I/O

- 40 C

+ 85 C

Tray

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

ATMEGA1608-AUR
Microchip Technology
1: $1.78
928In Stock

Mfr. Part No.
ATMEGA1608-AUR

Mouser Part No
556-ATMEGA1608-AUR

Microchip Technology

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

Learn More

Datasheet

928In Stock

Cut Tape

$1.78

$1.63

Reel

$1.63

$1.60

Min.: 1
Mult.: 1

: 2,000

8-bit Microcontrollers - MCU

SMD/SMT

TQFP-32

AVR

8 bit

20 MHz

16 kB

2 kB

10 bit

27 I/O

- 40 C

+ 85 C

Reel, Cut Tape

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

ATMEGA1609-AU
Microchip Technology
1: $2.11
675In Stock

Mfr. Part No.
ATMEGA1609-AU

Mouser Part No
556-ATMEGA1609-AU

Microchip Technology

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

Learn More

Datasheet

675In Stock

$2.11

$1.92

$1.74

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

TQFP-48

AVR

8 bit

20 MHz

16 kB

2 kB

10 bit

41 I/O

- 40 C

+ 85 C

Tray

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

ATMEGA1609-AUR
Microchip Technology
1: $2.14
147In Stock
2,500Expected 10/9/2026

Mfr. Part No.
ATMEGA1609-AUR

Mouser Part No
556-ATMEGA1609-AUR

Microchip Technology

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

Learn More

Datasheet

147In Stock

2,500Expected 10/9/2026

Cut Tape

$2.14

$1.77

Reel

$1.77

Min.: 1
Mult.: 1

: 2,500

8-bit Microcontrollers - MCU

SMD/SMT

TQFP-48

AVR

8 bit

20 MHz

16 kB

2 kB

10 bit

41 I/O

- 40 C

+ 85 C

Reel, Cut Tape

8-bit Microcontrollers - MCU 20 MHZ, TQFP, 105C, GREEN T&R

ATMEGA168PB-ANR
Microchip Technology
1: $2.22
472In Stock

Mfr. Part No.
ATMEGA168PB-ANR

Mouser Part No
556-ATMEGA168PB-ANR

Microchip Technology

8-bit Microcontrollers - MCU 20 MHZ, TQFP, 105C, GREEN T&R

Learn More

Datasheet

472In Stock

Cut Tape

$2.22

$2.18

$1.84

Reel

$1.84

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

27 I/O

- 40 C

+ 105 C

Reel, Cut Tape

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

ATMEGA3209-AFR
Microchip Technology
1: $2.49
389In Stock
2,500Expected 7/9/2026

Mfr. Part No.
ATMEGA3209-AFR

Mouser Part No
556-ATMEGA3209-AFR

Microchip Technology

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

Learn More

Datasheet

389In Stock

2,500Expected 7/9/2026

Cut Tape

$2.49

Reel

$2.49

Min.: 1
Mult.: 1

: 2,500

8-bit Microcontrollers - MCU

SMD/SMT

TQFP-48

AVR

8 bit

20 MHz

32 kB

4 kB

10 bit

41 I/O

- 40 C

+ 125 C

Reel, Cut Tape

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

ATMEGA3250A-AU
Microchip Technology
1: $7.52
180In Stock

Mfr. Part No.
ATMEGA3250A-AU

Mouser Part No
556-ATMEGA3250A-AU

Microchip Technology

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

Datasheet

180In Stock

$7.52

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

TQFP-100

AVR

8 bit

20 MHz

32 kB

2 kB

10 bit

69 I/O

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU AVR 32K FL 2K SRAM 1KB EE 20MHz Ind Grn

ATMEGA325PA-AU
Microchip Technology
1: $7.21
104In Stock

Mfr. Part No.
ATMEGA325PA-AU

Mouser Part No
556-ATMEGA325PA-AU

Microchip Technology

8-bit Microcontrollers - MCU AVR 32K FL 2K SRAM 1KB EE 20MHz Ind Grn

Datasheet

104In Stock

$7.21

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

TQFP-64

AVR

8 bit

20 MHz

32 kB

2 kB

10 bit

54 I/O

- 40 C

+ 85 C

Tray

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
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
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
PIC12

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