8051 microcontroller Embedded Processors & Controllers

Types of Embedded Processors & Controllers

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Results: 574
Select Image Part # Mfr. Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity. Qty. RoHS Product Type Mounting Style Package/Case Core Data Bus Width Maximum Clock Frequency Program Memory Size Data RAM Size ADC Resolution Number of I/Os Minimum Operating Temperature Maximum Operating Temperature Qualification Packaging

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 4 kB Flash 0.5 kB RAM 8-bit Busy Bee MCU 218In Stock
$1.22
$0.89
$0.805
$0.712
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT QFN-20 CIP-51 8051 8 bit 25 MHz 4 kB 512 B 12 bit 16 I/O - 40 C + 85 C Tube

Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU 375In Stock
$2.41
$1.78
$1.62
$1.45
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT QFN-24 CIP-51 8051 8 bit 50 MHz 32 kB 2.3 kB 10 bit, 12 bit 20 I/O - 40 C + 125 C Tube

Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V 8In Stock
$14.36
$11.15
$10.06
$9.48
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT QFN-68 8051 8 bit 50 MHz 64 kB 8 kB 12 bit 46 I/O - 40 C + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU 32K FLASH 4.0 TO 5.5V 999In Stock
$5.17
$4.75
$4.57
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU Through Hole PDIP-40 8051 8 bit 24 MHz 32 kB 512 B No ADC 32 I/O - 40 C + 85 C Tube
Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V 2In Stock
$12.40
$10.08
$9.61
$8.35
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT QFN-48 8051 8 bit 50 MHz 64 kB 8 kB 12 bit 29 I/O - 40 C + 85 C Tray
Silicon Labs 8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU 90In Stock
$2.25
$1.66
$1.51
$1.35
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU 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 - 40 C + 105 C Tube
Microchip Technology 8-bit Microcontrollers - MCU Sngl-Cycle 8051 IND 2.4-3.6V 32K ISP FL 60In Stock
$10.49
$9.65
$9.25
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT TQFP-44 8051 8 bit 20 MHz 32 kB 4.25 kB 10 bit 38 I/O - 40 C + 85 C Tray

Silicon Labs 8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU 36In Stock
$3.00
$2.24
$2.04
$1.83
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT QFP-32 CIP-51 8051 8 bit 72 MHz 16 kB 1.25 kB 10 bit/12 bit/14 bit 28 I/O - 40 C + 105 C Tray
Microchip Technology 8-bit Microcontrollers - MCU 2K FLASH 24MHZ SOIC 3In Stock
$2.61
$2.39
$2.18
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT SOIC-20 8051 8 bit 24 MHz 2 kB 256 B No ADC 15 I/O - 40 C + 85 C Tube

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU
17,031On Order
$1.64
$1.22
$1.11
$0.979
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT QFN-20 CIP-51 8051 8 bit 25 MHz 8 kB 512 B 12 bit 16 I/O - 40 C + 85 C Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU
49,037On Order
Cut Tape
$2.64
$2.21
$1.94
$1.84
Reel
$1.51
Min.: 1
Mult.: 1
: 2,500
8-bit Microcontrollers - MCU SMD/SMT QFN-20 CIP-51 8051 8 bit 50 MHz 16 kB 2.25 kB 12 bit 13 I/O - 40 C + 85 C Reel, Cut Tape, MouseReel
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
93,467Expected 08/01/2027
Cut Tape
$1.60
$1.17
$1.06
$0.943
Reel
$0.788
Min.: 1
Mult.: 1
: 2,500
8-bit Microcontrollers - MCU SMD/SMT QFN-20 CIP-51 8051 8 bit 50 MHz 16 kB 2.3 kB 12 bit 16 I/O - 40 C + 85 C Reel, Cut Tape, MouseReel

Silicon Labs 8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU
23,750On Order
$3.96
$3.20
$2.81
$2.67
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT QFP-32 CIP-51 8051 8 bit 72 MHz 64 kB 4.25 kB 10 bit/12 bit/14 bit 28 I/O - 40 C + 105 C Tray

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU
2,519Expected 17/11/2026
$1.20
$0.869
$0.787
$0.695
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT QFN-20 CIP-51 8051 8 bit 25 MHz 8 kB 512 B 12 bit 16 I/O - 40 C + 85 C Tube

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU
2,520Expected 04/12/2026
$1.35
$0.978
$0.885
$0.782
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT QFN-20 CIP-51 8051 8 bit 25 MHz 8 kB 512 B 12 bit 16 I/O - 40 C + 125 C Tube

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU
3,017Expected 27/11/2026
$1.24
$1.04
$0.836
$0.769
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT SOIC-16 CIP-51 8051 8 bit 25 MHz 8 kB 512 B 12 bit 13 I/O - 40 C + 85 C Tube

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 32 kB flash 4 kB RAM 8-bit Sleepy Bee MCU
1,498Expected 01/01/2027
Cut Tape
$2.48
$2.10
$1.65
$1.44
Reel
$1.20
Min.: 1
Mult.: 1
: 1,500
8-bit Microcontrollers - MCU SMD/SMT QFN-24 CIP-51 8051 8 bit 25 MHz 32 kB 4.25 kB 10 bit 16 I/O - 40 C + 85 C Reel, Cut Tape
Microchip Technology 8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 12MHZ 4V-5.5V
552On Order
$1.50
$1.38
$1.24
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT SOIC-20 8051 8 bit 12 MHz 4 kB 128 B No ADC 15 I/O - 40 C + 85 C Tube

Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU 1In Stock
$2.25
$1.66
$1.51
$1.35
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT QFN-28 CIP-51 8051 8 bit 50 MHz 16 kB 2.3 kB 12 bit 22 I/O - 40 C + 125 C Tube
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU
197Expected 18/12/2026
$1.39
$1.10
$0.973
$0.843
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT TSSOP-20 16 kB 1.28 kB 16 I/O - 40 C + 85 C Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU
3,550On Order
$1.90
$1.48
$1.33
$1.18
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT CSP-16 CIP-51 8051 8 bit 25 MHz 8 kB 512 B 12 bit 13 I/O - 40 C + 85 C 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
200Expected 04/12/2026
$1.41
$1.10
$0.976
$0.877
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT TSSOP-28 16 kB 1.28 kB 16 I/O - 40 C + 85 C 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
179On Order
$1.14
$0.853
$0.763
$0.684
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT TSSOP-20 16 kB 1.28 kB 16 I/O - 40 C + 85 C 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
198Expected 01/01/2027
$1.17
$0.847
$0.762
$0.67
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT TSSOP-20 16 kB 1.28 kB 16 I/O - 40 C + 85 C Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU
526Expected 08/01/2027
$2.63
$1.95
$1.78
$1.59
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT QFN-28 CIP-51 8051 8 bit 50 MHz 16 kB 2.25 kB 12 bit 22 I/O - 40 C + 85 C Tube