8051 microcontroller Embedded Processors & Controllers

Types of Embedded Processors & Controllers

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Results: 577
Select Image Part # Mfr. Description Datasheet Availability Pricing (SGD) 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 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU 959In Stock
$1.60
$1.24
$1.11
$0.994
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT SOIC-16 8 bit 50 MHz 16 kB 512 B 12 bit 12 I/O - 40 C + 125 C Tube

Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU 995In Stock
1,500Expected 30/11/2026
Cut Tape
$3.88
$2.88
$2.64
$2.37
Reel
$2.14
Min.: 1
Mult.: 1
: 2,500
8-bit Microcontrollers - MCU SMD/SMT QFN-24 CIP-51 8051 8 bit 50 MHz 64 kB 4.35 kB 10 bit, 12 bit 20 I/O - 40 C + 125 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 4,082In Stock
Cut Tape
$2.53
$2.09
$1.81
$1.70
Reel
$1.29
Min.: 1
Mult.: 1
: 2,500
8-bit Microcontrollers - MCU SMD/SMT QFN-32 CIP-51 8051 8 bit 50 MHz 16 kB 2.3 kB 10 bit, 12 bit 29 I/O - 40 C + 85 C Reel, Cut Tape, MouseReel
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU 2,500In Stock
Cut Tape
$4.16
$3.10
$2.83
$2.54
Reel
$2.16
Min.: 1
Mult.: 1
: 2,500
8-bit Microcontrollers - MCU SMD/SMT QFN-32 CIP-51 8051 8 bit 50 MHz 64 kB 4.35 kB 10 bit, 12 bit 29 I/O - 40 C + 125 C Reel, Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU 1,517In Stock
$4.18
$3.11
$2.84
$2.56
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT QFN-32 CIP-51 8051 8 bit 50 MHz 64 kB 4.35 kB 10 bit, 12 bit 29 I/O - 40 C + 125 C Tray

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU 4,899In Stock
7,500On Order
Cut Tape
$2.71
$2.00
$1.82
$1.62
Reel
$1.39
Min.: 1
Mult.: 1
: 2,500
8-bit Microcontrollers - MCU SMD/SMT CSP-16 CIP-51 8051 8 bit 25 MHz 8 kB 256 B 12 bit 13 I/O - 40 C + 85 C Reel, Cut Tape, MouseReel

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 4 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU 2In Stock
$2.18
$1.59
$1.44
$1.28
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 25 MHz 64 kB flash 4 kB RAM 8-bit Sleepy Bee MCU 1,076In Stock
$6.12
$4.05
$3.43
$3.14
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT QFN-32 CIP-51 8051 8 bit 25 MHz 64 kB 4.25 kB 10 bit 24 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 408In Stock
4,500Expected 27/11/2026
Cut Tape
$2.30
$1.78
$1.58
$1.44
Reel
$1.23
Min.: 1
Mult.: 1
: 2,500
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 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 3,126In Stock
$2.60
$2.20
$1.93
$1.82
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT QSOP-24 CIP-51 8051 8 bit 50 MHz 16 kB 2.3 kB 12 bit 21 I/O - 40 C + 125 C Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU 1,498In Stock
Cut Tape
$4.53
$3.37
$3.09
$2.76
Reel
$2.35
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 16 I/O - 40 C + 125 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 2,182In Stock
$2.49
$1.59
$1.41
$1.16
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT QFN-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 2,499In Stock
Cut Tape
$1.31
$0.94
$0.846
$0.744
Reel
$0.616
Min.: 1
Mult.: 1
: 2,500
8-bit Microcontrollers - MCU SMD/SMT QFN-20 16 kB 1.28 kB 16 I/O - 40 C + 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 234In Stock
$1.25
$0.997
$0.71
$0.679
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT QFN-20 16 kB 1.28 kB 16 I/O - 40 C + 85 C Cut Tape
Infineon Technologies 8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V 186In Stock
$13.11
$10.20
$9.03
$8.66
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT QFN-48 8051 8 bit 50 MHz 32 kB 4 kB 12 bit 29 I/O - 40 C + 85 C Tray
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU 294In Stock
$1.35
$0.97
$0.873
$0.767
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT QFN-20 16 kB 1.28 kB 16 I/O - 40 C + 85 C Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU 3,254In Stock
$2.38
$2.01
$1.77
$1.65
Min.: 1
Mult.: 1
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 + 125 C Tube
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU 352In Stock
$1.13
$0.968
$0.853
$0.762
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT QFN-16 8 bit 50 MHz 4 kB 512 B 12 bit 12 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 16 GPIO BB5 8-bit MCU 402In Stock
$1.74
$1.36
$1.29
$0.976
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 Busy Bee MCU 20In Stock
$3.47
$2.57
$2.34
$2.09
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT CIP-51 8051 8 bit 25 MHz 8 kB 512 B 12 bit 16 I/O - 40 C + 125 C AEC-Q100 Tube

Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU 2,983In Stock
$4.57
$3.60
$3.22
$2.95
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT QFN-20 CIP-51 8051 8 bit 50 MHz 16 kB 2.25 kB 12 bit 16 I/O - 40 C + 125 C AEC-Q100 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 151In Stock
$1.47
$1.06
$0.955
$0.839
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT QFN-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 1,016In Stock
7,500On Order
Cut Tape
$1.26
$0.91
$0.82
$0.721
Reel
$0.645
Min.: 1
Mult.: 1
: 2,500
8-bit Microcontrollers - MCU SMD/SMT QFN-20 16 kB 1.28 kB 16 I/O - 40 C + 85 C Reel, Cut Tape
Infineon Technologies 8-bit Microcontrollers - MCU 16K Flash 50MHz 8051 1.71V to 5.5V 33In Stock
$15.34
$11.94
$10.84
$8.72
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT TQFP-100 8051 8 bit 50 MHz 16 kB 2 kB 12 bit 70 I/O - 40 C + 85 C Tray
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU 100In Stock
$1.39
$1.00
$0.90
$0.792
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT QFN-12 8 bit 50 MHz 16 kB 512 B 12 bit 9 I/O - 40 C + 125 C Cut Tape