20 MHz Microcontrollers - MCU

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Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS Mounting Style
Package / Case
Core
Data Bus Width
Maximum Clock Frequency
Program Memory Size
Data RAM Size
ADC Resolution
Number of I/Os
Supply Voltage - Min
Supply Voltage - Max
Maximum Operating Temperature
Qualification
Packaging
Microchip Technology 8-bit Microcontrollers - MCU SINGLE CYCLE 4K FLASH-20MHZ 2.4-5.5V
Datasheet
1,646In Stock
Min.: 1
Mult.: 1

SMD/SMT SOIC-20 8051 8 bit 20 MHz 4 kB 256 B No ADC 15 I/O 2.4 V 5.5 V + 85 C Tube

Microchip Technology 8-bit Microcontrollers - MCU Single-Cycle 805124K ISP Flash,2.4-5.5V
Datasheet
738In Stock
Min.: 1
Mult.: 1

SMD/SMT PLCC-44 8051 8 bit 20 MHz 24 kB 256 B 10 bit 40 I/O 2.4 V 5.5 V + 85 C Tube

Microchip Technology 8-bit Microcontrollers - MCU Single-Cycle 805132K ISP Flash,2.4-5.5V
Datasheet
530In Stock
Min.: 1
Mult.: 1

SMD/SMT PLCC-44 8051 8 bit 20 MHz 32 kB 256 B 10 bit 40 I/O 2.4 V 5.5 V + 85 C Tube
Microchip Technology 8-bit Microcontrollers - MCU Single-Cycle 8051 8K ISP Flash MCU
Datasheet
3,089In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-44 8051 8 bit 20 MHz 8 kB 256 B No ADC 36 I/O 2.4 V 5.5 V + 85 C Tray
Microchip Technology ARM Microcontrollers - MCU LQFP GRN IND TMP MRL C
Datasheet
201In Stock
3,150Expected 1/26/2027
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM7TDMI 32 bit 20 MHz 256 kB 64 kB 10 bit 62 I/O 1.65 V 1.95 V + 85 C Tray
Microchip Technology ARM Microcontrollers - MCU TFBGA GRN IND TEMP MRL C
Datasheet
541In Stock
Min.: 1
Mult.: 1

SMD/SMT TFBGA-100 ARM7TDMI 32 bit 20 MHz 256 kB 64 kB 10 bit 62 I/O 1.65 V 1.95 V + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU AVR 128KB FLSH 4KB EE16KB SRAM-20 MHz
Datasheet
943In Stock
Min.: 1
Mult.: 1

Through Hole PDIP-40 AVR 8 bit 20 MHz 128 kB 16 kB 10 bit 32 I/O 1.8 V 5.5 V + 85 C Tube
Microchip Technology 8-bit Microcontrollers - MCU 128KB Flash 20MHz 1.8V-5.5V
Datasheet
440In Stock
Min.: 1
Mult.: 1

SMD/SMT VQFN-44 AVR 8 bit 20 MHz 128 kB 16 kB 10 bit 32 I/O 1.8 V 5.5 V + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU 128KB Flash 20MHz 1.8V-5.5V
Datasheet
1,071In Stock
Min.: 1
Mult.: 1

Through Hole PDIP-40 AVR 8 bit 20 MHz 128 kB 16 kB 10 bit 32 I/O 1.8 V 5.5 V + 85 C Tube
Microchip Technology 8-bit Microcontrollers - MCU 16KB 512B 1KB 20 MHZ TQFP GRN
Datasheet
3,311In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

SMD/SMT TQFP-32 AVR 8 bit 20 MHz 16 kB 1 kB 10 bit 27 I/O 1.8 V 5.5 V + 105 C Reel, Cut Tape, MouseReel
Microchip Technology 8-bit Microcontrollers - MCU 20MHZ, QFN/MFL, IND TEMP, GREEN 5 V
Datasheet
834In Stock
Min.: 1
Mult.: 1

SMD/SMT VQFN-44 AVR 8 bit 20 MHz 32 kB 2 kB 10 bit 39 I/O 1.8 V 5.5 V + 85 C AEC-Q100 Tray
Microchip Technology 8-bit Microcontrollers - MCU ATMEGA328PB IND TEMP T&R
Datasheet
6,926In Stock
12,000Expected 10/5/2026
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 + 85 C AEC-Q100 Reel, Cut Tape, MouseReel
Microchip Technology 8-bit Microcontrollers - MCU 20MHz, 48KB, QFN
Datasheet
2,608In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 6,000

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 Reel, Cut Tape, MouseReel
Microchip Technology 8-bit Microcontrollers - MCU 20MHz, 48KB, TQFP
Datasheet
7,006In Stock
12,500Expected 9/4/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

SMD/SMT TQFP-48 AVR 8 bit 20 MHz 48 kB 6 kB 10 bit 41 I/O 1.8 V 5.5 V + 125 C Reel, Cut Tape, MouseReel
Microchip Technology 8-bit Microcontrollers - MCU 20MHz, 48KB, TQFP
Datasheet
1,461In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-48 AVR 8 bit 20 MHz 48 kB 6 kB 10 bit 41 I/O 1.8 V 5.5 V + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU 20MHz, 48KB, QFN
Datasheet
3,984In Stock
Min.: 1
Mult.: 1
: 4,000

SMD/SMT VQFN-48 AVR 8 bit 20 MHz 48 kB 6 kB 10 bit 41 I/O 1.8 V 5.5 V + 85 C Reel, Cut Tape
Microchip Technology 8-bit Microcontrollers - MCU 4KB 256B 512B 20 MHZ TQFP GRN
Datasheet
1,695In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-32 AVR 8 bit 20 MHz 4 kB 512 B 10 bit 27 I/O 1.8 V 5.5 V + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU 20 MHz Ind Temp
Datasheet
1,102In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-44 AVR 8 bit 20 MHz 64 kB 4 kB 10 bit 32 I/O 1.8 V 5.5 V + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU 20 MHz Ind Temp
Datasheet
558In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

SMD/SMT TQFP-44 AVR 8 bit 20 MHz 64 kB 4 kB 10 bit 32 I/O 1.8 V 5.5 V + 85 C Reel, Cut Tape, MouseReel
Microchip Technology 8-bit Microcontrollers - MCU 20 MHz Ind Temp
Datasheet
492In Stock
Min.: 1
Mult.: 1

Through Hole PDIP-40 AVR 8 bit 20 MHz 64 kB 4 kB 10 bit 32 I/O 1.8 V 5.5 V + 85 C Tube
Microchip Technology 8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE 20MHZ 5V
Datasheet
696In Stock
Min.: 1
Mult.: 1

SMD/SMT VQFN-44 AVR 8 bit 20 MHz 64 kB 4 kB 10 bit 32 I/O 2.7 V 5.5 V + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE 20MHZ 5V
Datasheet
355In Stock
Min.: 1
Mult.: 1

Through Hole PDIP-40 AVR 8 bit 20 MHz 64 kB 4 kB 10 bit 32 I/O 2.7 V 5.5 V + 85 C Tube
Microchip Technology 8-bit Microcontrollers - MCU 64K Flash 2K EEPROM 4K SRAM 32 IO Pins
Datasheet
686In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-44 AVR 8 bit 20 MHz 64 kB 4 kB 10 bit 32 I/O 1.8 V 5.5 V + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU 64K Flash 2K EEPROM 4K SRAM 32 IO Pins
Datasheet
871In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-44 AVR 8 bit 20 MHz 64 kB 4 kB 10 bit 32 I/O 1.8 V 5.5 V + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU 64K Flash 2K EEPROM 4K SRAM 32 IO Pins
Datasheet
667In Stock
Min.: 1
Mult.: 1

Through Hole PDIP-40 AVR 8 bit 20 MHz 64 kB 4 kB 10 bit 32 I/O 1.8 V 5.5 V + 85 C Tube