8051 microcontroller Microcontrollers - MCU

Results: 580
Select Image Part # Mfr. Description Datasheet Availability Pricing (SGD) 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
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
$1.33
$1.04
$0.929
$0.823
Min.: 1
Mult.: 1
SMD/SMT QFN-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 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU 1,452In Stock
$1.36
$1.08
$1.06
$0.976
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 8051 48 MHz 64 kB flash 4 kB RAM 8-bit Universal Bee MCU 163In Stock
Cut Tape
$5.30
$4.12
$3.67
$3.39
Reel
$2.86
Min.: 1
Mult.: 1
: 1,500
SMD/SMT QFN-32 CIP-51 8051 8 bit 48 MHz 64 kB 4.25 kB 10 bit 25 I/O 3.3 V 3.3 V + 85 C Reel, Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 29 GPIO BB5 8-bit MCU 1,100In Stock
2,200On Order
$1.31
$0.911
$0.854
$0.67
$0.653
Min.: 1
Mult.: 1
SMD/SMT QFN-32 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 25 GPIO BB5 8-bit MCU 76In Stock
$1.94
$1.66
$1.46
$1.10
Min.: 1
Mult.: 1
SMD/SMT TSSOP-28 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 2,182In Stock
$2.49
$1.59
$1.41
$1.16
Min.: 1
Mult.: 1
SMD/SMT QFN-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 8051 25 MHz 4 kB Flash 0.5 kB RAM 8-bit Busy Bee MCU 218In Stock
$1.51
$1.23
$1.09
$1.07
Min.: 1
Mult.: 1
SMD/SMT QFN-20 CIP-51 8051 8 bit 25 MHz 4 kB 512 B 12 bit 16 I/O 2.2 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 194In Stock
$1.36
$1.15
$0.826
$0.79
Min.: 1
Mult.: 1
SMD/SMT QFN-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 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU 146In Stock
$1.55
$1.21
$1.08
$0.966
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 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU 297In Stock
$1.26
$1.02
$0.741
$0.73
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 29 GPIO BB5 8-bit MCU 606In Stock
$1.63
$1.39
$1.22
$1.09
Min.: 1
Mult.: 1
SMD/SMT QFN-32 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 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
SMD/SMT QFN-16 8 bit 50 MHz 4 kB 512 B 12 bit 12 I/O 1.8 V 5.5 V + 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
$4.80
$3.16
$2.54
$2.11
Min.: 1
Mult.: 1
SMD/SMT CIP-51 8051 8 bit 25 MHz 8 kB 512 B 12 bit 16 I/O 2.2 V 3.6 V + 125 C AEC-Q100 Tube

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 4 kB flash 0.5 kB RAM 8-bit Busy Bee MCU 244In Stock
$1.75
$1.27
$1.15
$1.02
Min.: 1
Mult.: 1
SMD/SMT QFN-20 CIP-51 8051 8 bit 25 MHz 4 kB 512 B 12 bit 16 I/O 2.2 V 3.6 V + 125 C Tube
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 29 GPIO BB5 8-bit MCU 2,149In Stock
400On Order
$1.28
$1.10
$0.923
$0.881
Min.: 1
Mult.: 1
SMD/SMT QFN-32 16 kB 1.28 kB 12 bit 29I/O 1.8 V 5.5 V + 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 1,070In Stock
$2.86
$2.27
$2.08
$1.86
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 + 85 C Tray
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU 4,488In Stock
4,900Expected 23/10/2026
$3.63
$2.69
$2.46
$2.20
Min.: 1
Mult.: 1
SMD/SMT QFN-32 CIP-51 8051 8 bit 50 MHz 64 kB 4.35 kB 10 bit, 12 bit 29 I/O 2.2 V 3.6 V + 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
$3.88
$2.88
$2.64
$2.37
Min.: 1
Mult.: 1
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 2.2 V 3.6 V + 105 C Tray
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU 1,432In Stock
$2.39
$2.03
$1.78
$1.69
Min.: 1
Mult.: 1
SMD/SMT QFN-32 CIP-51 8051 8 bit 50 MHz 16 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 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU 110In Stock
7,500Expected 11/6/2027
Cut Tape
$3.69
$3.10
$2.72
$2.57
Reel
$1.85
Min.: 1
Mult.: 1
: 1,500
SMD/SMT QFN-28 CIP-51 8051 8 bit 50 MHz 16 kB 2.25 kB 12 bit 22 I/O 2.2 V 3.6 V + 85 C Reel, Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU 166In Stock
Cut Tape
$2.52
$2.14
$1.88
$1.77
Reel
$1.23
Min.: 1
Mult.: 1
: 1,500
SMD/SMT QFN-20 CIP-51 8051 8 bit 50 MHz 16 kB 2.25 kB 12 bit 16 I/O 2.2 V 3.6 V + 125 C Reel, Cut Tape, MouseReel

Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V 8In Stock
$19.53
$15.16
$13.68
$12.89
Min.: 1
Mult.: 1
SMD/SMT QFN-68 8051 8 bit 50 MHz 64 kB 8 kB 12 bit 46 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 1,287In Stock
$2.86
$2.41
$2.05
$1.94
Min.: 1
Mult.: 1
SMD/SMT QFN-28 CIP-51 8051 8 bit 50 MHz 16 kB 2.3 kB 12 bit 22 I/O 2.2 V 3.6 V + 85 C Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU 43In Stock
2,520Expected 8/1/2027
$2.19
$1.86
$1.63
$1.52
$1.35
Min.: 1
Mult.: 1
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 Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU 980In Stock
Cut Tape
$3.92
$2.92
$2.67
$2.39
Reel
$2.16
Min.: 1
Mult.: 1
: 1,500
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 Reel, Cut Tape, MouseReel