20 MHz Microcontrollers - MCU

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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 3.5KB 128 RAM 33 I/O
Datasheet
435In Stock
4,800Expected 11/16/2026
Min.: 1
Mult.: 1

SMD/SMT TQFP-44 PIC16 8 bit 20 MHz 3.5 kB 128 B 10 bit 33 I/O 4 V 5.5 V + 85 C Tray
Renesas Electronics 16-bit Microcontrollers - MCU MCU 2/5V 128K+2KB Pb-free 64-LQFP TRAY
Datasheet
139In Stock
Min.: 1
Mult.: 1

SMD/SMT R8C/Tiny 16 bit 20 MHz 128 kB 7.5 kB 10 bit 55 I/O 2.2 V 5.5 V + 85 C Tray

Microchip Technology 8-bit Microcontrollers - MCU SINGLE CYCLE 2K FLASH-20MHZ 2.4-5.5V
Datasheet
8In Stock
Min.: 1
Mult.: 1

SMD/SMT TSSOP-20 8051 8 bit 20 MHz 2 kB 256 B 15 I/O 2.4 V 5.5 V + 85 C Tube

Microchip Technology 8-bit Microcontrollers - MCU SINGLE CYCLE 4K FLASH-20MHZ 2.4-5.5V
Datasheet
254In Stock
1,134On Order
Min.: 1
Mult.: 1

Through Hole PDIP-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 8051 4K ISP FL
Datasheet
130In Stock
480Expected 9/28/2026
Min.: 1
Mult.: 1

SMD/SMT TQFP-44 8051 8 bit 20 MHz 4 kB 256 B No ADC 36 I/O 2.4 V 5.5 V + 85 C Tray

Microchip Technology 8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V
Datasheet
143In Stock
135On Order
Min.: 1
Mult.: 1

SMD/SMT PLCC-44 8051 8 bit 20 MHz 64 kB 256 B 10 bit 40 I/O 2.4 V 5.5 V + 85 C Tube
Microchip Technology 8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V
Datasheet
89In Stock
Min.: 1
Mult.: 1

Through Hole PDIP-40 8051 8 bit 20 MHz 64 kB 256 B 10 bit 40 I/O 2.4 V 5.5 V + 85 C Tube
Microchip Technology ARM Microcontrollers - MCU LQFP GRN IND TMP MRLC
Datasheet
124In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM7TDMI 32 bit 20 MHz 128 kB 32 kB 10 bit 62 I/O 1.65 V 1.95 V + 85 C Tray

Microchip Technology 8-bit Microcontrollers - MCU 20MHz, 16KB, TQFP
Datasheet
1,146In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-32 AVR 8 bit 20 MHz 16 kB 2 kB 10 bit 27 I/O 1.8 V 5.5 V + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU 20MHz, 16KB, TQFP
Datasheet
928In Stock
Min.: 1
Mult.: 1
: 2,000

SMD/SMT TQFP-32 AVR 8 bit 20 MHz 16 kB 2 kB 10 bit 27 I/O 1.8 V 5.5 V + 85 C Reel, Cut Tape
Microchip Technology 8-bit Microcontrollers - MCU 20MHz, 16KB, TQFP
Datasheet
675In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-48 AVR 8 bit 20 MHz 16 kB 2 kB 10 bit 41 I/O 1.8 V 5.5 V + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU 20MHz, 16KB, TQFP
Datasheet
150In Stock
2,500Expected 9/3/2026
Min.: 1
Mult.: 1
: 2,500

SMD/SMT TQFP-48 AVR 8 bit 20 MHz 16 kB 2 kB 10 bit 41 I/O 1.8 V 5.5 V + 85 C Reel, Cut Tape
Microchip Technology 8-bit Microcontrollers - MCU 20 MHZ, TQFP, 105C, GREEN T&R
Datasheet
472In Stock
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
Microchip Technology 8-bit Microcontrollers - MCU 20MHz, 32KB, TQFP
Datasheet
392In Stock
2,500Expected 9/7/2026
Min.: 1
Mult.: 1
: 2,500

SMD/SMT TQFP-48 AVR 8 bit 20 MHz 32 kB 4 kB 10 bit 41 I/O 1.8 V 5.5 V + 125 C Reel, Cut Tape
Microchip Technology 8-bit Microcontrollers - MCU AVR 32K FLSH 2K SRAM 1KB EE-20MHz IND
Datasheet
180In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-100 AVR 8 bit 20 MHz 32 kB 2 kB 10 bit 69 I/O 1.8 V 5.5 V + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU AVR 32K FL 2K SRAM 1KB EE 20MHz Ind Grn
Datasheet
104In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-64 AVR 8 bit 20 MHz 32 kB 2 kB 10 bit 54 I/O 1.8 V 5.5 V + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU ATMEGA328PB 20MHZ Extd. Temp
Datasheet
497In Stock
12,000On Order
Min.: 1
Mult.: 1

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 Tray
Microchip Technology 8-bit Microcontrollers - MCU AVR 32K FL 2K SRAM 1KB EE 20 MHZ GRN
Datasheet
243In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-100 AVR 8 bit 20 MHz 32 kB 2 kB 10 bit 54 I/O 1.8 V 5.5 V + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU AVR 32K FLSH 2K SRAM 1KB EE-20MHz IND
Datasheet
6In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

SMD/SMT TQFP-64 AVR 8 bit 20 MHz 32 kB 2 kB 10 bit 54 I/O 1.8 V 5.5 V + 85 C Reel, Cut Tape, MouseReel

Microchip Technology 8-bit Microcontrollers - MCU 20MHz, 48KB, TQFP
Datasheet
424In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-32 AVR 8 bit 20 MHz 48 kB 6 kB 10 bit 27 I/O 1.8 V 5.5 V + 85 C Tray

Microchip Technology 8-bit Microcontrollers - MCU 20MHz, 48KB, TQFP
Datasheet
601In Stock
2,000Expected 10/16/2026
Min.: 1
Mult.: 1
: 2,000

SMD/SMT TQFP-32 AVR 8 bit 20 MHz 48 kB 6 kB 10 bit 27 I/O 1.8 V 5.5 V + 85 C Reel, Cut Tape
Microchip Technology 8-bit Microcontrollers - MCU 20MHz, 48KB, SOIC
Datasheet
137In Stock
Min.: 1
Mult.: 1

SMD/SMT SSOP-28 AVR 8 bit 20 MHz 48 kB 6 kB 10 bit 23 I/O 1.8 V 5.5 V + 125 C Tube
Microchip Technology 8-bit Microcontrollers - MCU 20MHz, 48KB, SOIC
Datasheet
792In Stock
Min.: 1
Mult.: 1

SMD/SMT SSOP-28 AVR 8 bit 20 MHz 48 kB 6 kB 10 bit 23 I/O 1.8 V 5.5 V + 85 C Tube
Microchip Technology 8-bit Microcontrollers - MCU 20MHz, 48KB, QFN
Datasheet
229In Stock
Min.: 1
Mult.: 1

SMD/SMT VQFN-48 AVR 8 bit 20 MHz 48 kB 6 kB 10 bit 41 I/O 1.8 V 5.5 V + 125 C Tray
Microchip Technology 8-bit Microcontrollers - MCU 20MHz, 48KB, QFN
Datasheet
332In Stock
Min.: 1
Mult.: 1

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 Tray