8051 microcontroller Microcontrollers - MCU

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Description Datasheet Availability Pricing (EUR) 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
Infineon Technologies 8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V
Datasheet
Non-Stocked Lead-Time 10 Weeks
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
Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V
Datasheet
Lead-Time 10 Weeks
Min.: 1
Mult.: 1

SMD/SMT TQFP-100 8051 8 bit 67 MHz 64 kB 8 kB 12 bit 28 I/O 1.71 V 1.89 V + 85 C Tray
Nuvoton 8-bit Microcontrollers - MCU Low Pin Count 8051 Series; 2.4V to 5.5V; -40 to 105
Datasheet
Non-Stocked Lead-Time 40 Weeks
Min.: 3.000
Mult.: 3.000
: 3.000

SMD/SMT LQFP-44 8051 8 bit 16 MHz 18 kB 256 B 12 bit 18 I/O 2.4 V 5.5 V + 105 C Reel
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
Datasheet
Non-Stocked Lead-Time 24 Weeks
Min.: 2.500
Mult.: 2.500
: 2.500

SMD/SMT TSSOP-20 16 kB 1.28 kB 16 I/O 1.8 V 5.5 V + 85 C Reel

Infineon Technologies 8-bit Microcontrollers - MCU 32K Flash 67MHz 8051 0.5V to 5.5V
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 1.300
Mult.: 1.300

SMD/SMT QFN-68 8051 8 bit 67 MHz 32 kB 4 kB 12 bit 48 I/O 1.71 V 1.89 V + 85 C Tray
Infineon Technologies 8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 600
Mult.: 600

SMD/SMT SSOP-48 8051 8 bit 50 MHz 32 kB 4 kB 12 bit 31 I/O 1.71 V 5.5 V + 85 C Tube
Infineon Technologies 8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V
Datasheet
Lead-Time 10 Weeks
Min.: 1
Mult.: 1

SMD/SMT TQFP-100 8051 8 bit 50 MHz 32 kB 4 kB 12 bit 70 I/O 1.71 V 5.5 V + 85 C Tray
Infineon Technologies 8-bit Microcontrollers - MCU 16K Flash 50MHz 8051 1.71V to 5.5V
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 1
Mult.: 1

SMD/SMT SSOP-48 8051 8 bit 50 MHz 16 kB 2 kB 12 bit 29 I/O 1.71 V 5.5 V + 85 C Tube
Silicon Labs RF Microcontrollers - MCU RF+MCU 8051 25 MHz 64 kB +20 dBm
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 2.500
Mult.: 2.500
: 2.500

SMD/SMT QFN-36 8051 8 bit 25 MHz 32 kB 4 kB 10 bit 11 I/O 1.8 V 3.6 V + 85 C Reel
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
Datasheet
Non-Stocked Lead-Time 24 Weeks
Min.: 1
Mult.: 1

SMD/SMT TSSOP-20 16 kB 1.28 kB 16 I/O 1.8 V 5.5 V + 85 C 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
Non-Stocked Lead-Time 24 Weeks
Min.: 2.500
Mult.: 2.500
: 2.500

SMD/SMT TSSOP-20 16 kB 1.28 kB 16 I/O 1.8 V 5.5 V + 85 C Reel
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
Datasheet
Non-Stocked Lead-Time 24 Weeks
Min.: 2.500
Mult.: 2.500
: 2.500

SMD/SMT QFN-20 16 kB 1.28 kB 16 I/O 1.8 V 5.5 V + 85 C Reel
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

SMD/SMT SOIC-16 8 bit 50 MHz 8 kB 512 B 12 bit 12 I/O 1.8 V 5.5 V + 125 C Tube
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 2.500
Mult.: 2.500
: 2.500

SMD/SMT SOIC-16 8 bit 50 MHz 16 kB 512 B 12 bit 12 I/O 1.8 V 5.5 V + 125 C Reel
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 2.500
Mult.: 2.500
: 2.500

SMD/SMT SOIC-16 8 bit 50 MHz 4 kB 512 B 12 bit 12 I/O 1.8 V 5.5 V + 125 C Reel

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 4 kB RAM 8-bit Sleepy Bee MCU
Datasheet
1.911Expected 11/13/2026
Min.: 1
Mult.: 1

SMD/SMT QFN-24 CIP-51 8051 8 bit 25 MHz 16 kB 4.25 kB 10 bit 16 I/O 1.8 V 3.6 V + 85 C Tube
Silicon Labs RF Microcontrollers - MCU RF+MCU 8051 25 MHz 16 kB +20 dBm
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 2.500
Mult.: 2.500
: 2.500

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 Reel
Silicon Labs RF Microcontrollers - MCU RF+MCU 8051 25 MHz 32 kB +13 dBm
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 2.500
Mult.: 2.500
: 2.500

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 Reel

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 32 kB flash 4 kB RAM 8-bit Sleepy Bee MCU
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

SMD/SMT QFN-24 CIP-51 8051 8 bit 25 MHz 32 kB 4.25 kB 10 bit 16 I/O 1.8 V 3.6 V + 85 C Tube
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
Datasheet
Non-Stocked Lead-Time 24 Weeks
Min.: 1
Mult.: 1
: 2.500

SMD/SMT TSSOP-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 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
Datasheet
Non-Stocked Lead-Time 24 Weeks
Min.: 2.500
Mult.: 2.500
: 2.500

SMD/SMT TSSOP-20 16 kB 1.28 kB 16 I/O 1.8 V 5.5 V + 85 C Reel
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

SMD/SMT QFN-20 32 kB 2.3 kB 16 I/O 1.8 V 5.5 V + 125 C 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
Non-Stocked 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 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 25 GPIO BB5 8-bit MCU
Datasheet
Non-Stocked Lead-Time 24 Weeks
Min.: 2.500
Mult.: 2.500
: 2.500

SMD/SMT TSSOP-28 16 kB 1.28 kB 16 I/O 1.8 V 5.5 V + 85 C Reel
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
Datasheet
Non-Stocked 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