8051 microcontroller 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

Silicon Labs 8-bit Microcontrollers - MCU 8051 48 MHz 32 kB flash 2 kB RAM 8-bit Universal Bee MCU
Datasheet
587In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-32 CIP-51 8051 8 bit 48 MHz 32 kB 2.25 kB 10 bit 25 I/O 3.3 V 3.3 V + 85 C Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU
Datasheet
1,221In Stock
Min.: 1
Mult.: 1
: 1,500

SMD/SMT QFN-20 CIP-51 8051 8 bit 25 MHz 8 kB 512 B 12 bit 16 I/O 1.8 V 3.6 V + 85 C AEC-Q100 Reel, Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU
Datasheet
Lead-Time 24 Weeks
Min.: 1
Mult.: 1
: 2,500

SMD/SMT QFN-20 16 kB 1.28 kB 16 I/O 1.8 V 5.5 V + 85 C Reel, Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
Datasheet
457In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-32 CIP-51 8051 8 bit 50 MHz 32 kB 2.3 kB 10 bit, 12 bit 29 I/O 2.2 V 3.6 V + 85 C Tray
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
Datasheet
502In Stock
Min.: 1
Mult.: 1
: 500

SMD/SMT QFP-32 CIP-51 8051 8 bit 50 MHz 32 kB 2.3 kB 10 bit, 12 bit 28 I/O 2.2 V 3.6 V + 85 C Reel, Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU
Datasheet
2,005In Stock
Min.: 1
Mult.: 1

SMD/SMT QSOP-24 CIP-51 8051 8 bit 72 MHz 64 kB 4.25 kB 10 bit/12 bit/14 bit 21 I/O 2.2 V 3.6 V + 105 C Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
Datasheet
16In Stock
Min.: 1
Mult.: 1

SMD/SMT QFP-32 CIP-51 8051 8 bit 50 MHz 16 kB 2.3 kB 10 bit, 12 bit 28 I/O 2.2 V 3.6 V + 125 C Tray
Silicon Labs 8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU
Datasheet
92In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-24 CIP-51 8051 8 bit 72 MHz 16 kB 1.25 kB 10 bit/12 bit/14 bit 20 I/O 2.2 V 3.6 V + 105 C Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU
Datasheet
630In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-32 CIP-51 8051 8 bit 72 MHz 16 kB 1.25 kB 10 bit/12 bit/14 bit 29 I/O 2.2 V 3.6 V + 105 C Tray
Silicon Labs RF Microcontrollers - MCU RF+MCU 8051 25 MHz 32 kB +13 dBm
Datasheet
171In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-36 8051 8 bit 25 MHz 64 kB 4 kB 10 bit 11 I/O 1.8 V 3.6 V + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU Sngl-Cycle 8051 IND 2.4-3.6V 32K ISP FL
Datasheet
315In Stock
Min.: 1
Mult.: 1

SMD/SMT VQFN-44 8051 8 bit 20 MHz 32 kB 4.25 kB 10 bit 38 I/O 2.4 V 3.6 V + 85 C Tray
Silicon Labs 8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU
Datasheet
813In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-24 CIP-51 8051 8 bit 72 MHz 32 kB 2.25 kB 10 bit/12 bit/14 bit 20 I/O 2.2 V 3.6 V + 105 C Tube
Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V
Datasheet
2,600In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-48 8051 8 bit 50 MHz 64 kB 8 kB 12 bit 31 I/O 1.71 V 5.5 V + 85 C Tray
Silicon Labs RF Microcontrollers - MCU RF+MCU 8051 25 MHz 16 kB +20 dBm
Datasheet
2,404In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-36 8051 8 bit 25 MHz 64 kB 4 kB 10 bit 11 I/O 1.8 V 3.6 V + 85 C Tray
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU
Datasheet
10,835In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-12 8 bit 50 MHz 8 kB 512 B 12 bit 9 I/O 1.8 V 5.5 V + 85 C Cut Tape
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
Silicon Labs 8-bit Microcontrollers - MCU 8051 48 MHz 32 kB flash 2 kB RAM 8-bit Universal Bee MCU
Datasheet
7,873In Stock
Min.: 1
Mult.: 1

SMD/SMT QFP-48 CIP-51 8051 8 bit 48 MHz 32 kB 2.25 kB 10 bit 40 I/O 3.3 V 3.3 V + 85 C Tray
Infineon Technologies 8-bit Microcontrollers - MCU 8051 8bit 67MHz 64KB
Datasheet
559In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

SMD/SMT TQFP-100 8051 8 bit 67 MHz 64 kB 8 kB 20 bit 72 I/O 1.71 V 1.89 V + 85 C Reel, Cut Tape, MouseReel
Microchip Technology 8-bit Microcontrollers - MCU 32K FLASH 4.0 TO 5.5V
Datasheet
498In Stock
Min.: 1
Mult.: 1

Through Hole PDIP-40 8051 8 bit 24 MHz 32 kB 512 B No ADC 32 I/O 4 V 5.5 V + 85 C Tube
Microchip Technology 8-bit Microcontrollers - MCU Single-Cycle 8051 64K ISP Flash
Datasheet
437In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-44 8051 8 bit 20 MHz 64 kB 4.25 kB 10 bit 38 I/O 2.4 V 3.6 V + 85 C Tray
Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V
Datasheet
237In Stock
Min.: 1
Mult.: 1

SMD/SMT SSOP-48 8051 8 bit 67 MHz 64 kB 8 kB 20 bit 29 I/O 1.71 V 1.89 V + 85 C Tube
Infineon Technologies 8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V
Datasheet
449In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-48 8051 8 bit 50 MHz 32 kB 4 kB 12 bit 29 I/O 1.71 V 5.5 V + 85 C Tray
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
Datasheet
59,467In Stock
58,500Expected 08/01/2027
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

SMD/SMT QFN-20 CIP-51 8051 8 bit 50 MHz 16 kB 2.3 kB 12 bit 16 I/O 2.2 V 3.6 V + 85 C Reel, Cut Tape, MouseReel

Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V
Datasheet
147In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-68 8051 8 bit 67 MHz 64 kB 8 kB 12 bit 28 I/O 1.71 V 1.89 V + 85 C Tray
Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V
Datasheet
371In Stock
Min.: 1
Mult.: 1

SMD/SMT SSOP-48 8051 8 bit 50 MHz 64 kB 8 kB 12 bit 31 I/O 1.71 V 5.5 V + 85 C Tube