8051 microcontroller Microcontrollers - MCU

Results: 560
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 Program Memory Size Data Bus Width ADC Resolution Maximum Clock Frequency Number of I/Os Data RAM Size Supply Voltage - Min Supply Voltage - Max Minimum Operating Temperature Maximum Operating Temperature Qualification Packaging

Silicon Labs 8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU 1,249In Stock
$3.81
$2.83
$2.60
$2.33
Min.: 1
Mult.: 1
SMD/SMT QFP-32 CIP-51 8051 16 kB 8 bit 10 bit/12 bit/14 bit 72 MHz 28 I/O 1.25 kB 2.2 V 3.6 V - 40 C + 105 C Tray
Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V 297In Stock
$36.60
$29.38
$25.77
$25.02
Min.: 1
Mult.: 1
SMD/SMT TQFP-100 8051 64 kB 8 bit 20 bit 67 MHz 72 I/O 8 kB 1.71 V 1.89 V - 40 C + 85 C Tray

Infineon Technologies 8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V 533In Stock
$13.26
$10.32
$9.14
$8.77
Min.: 1
Mult.: 1
SMD/SMT QFN-68 8051 32 kB 8 bit 12 bit 50 MHz 46 I/O 4 kB 1.71 V 5.5 V - 40 C + 85 C Tray

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Busy Bee MCU 15,521In Stock
Cut Tape
$1.17
$0.90
$0.804
$0.733
Reel
$0.605
Min.: 1
Mult.: 1
: 2,500
SMD/SMT QFN-20 CIP-51 8051 2 kB 8 bit 12 bit 25 MHz 16 I/O 256 B 2.2 V 3.6 V - 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 2,120In Stock
Cut Tape
$4.99
$3.37
$3.13
$2.72
Reel
$2.11
Min.: 1
Mult.: 1
: 2,500
SMD/SMT QFN-24 CIP-51 8051 64 kB 8 bit 10 bit, 12 bit 50 MHz 20 I/O 4.35 kB 2.2 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel
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
$4.12
$3.07
$2.80
$2.52
Reel
$2.14
Min.: 1
Mult.: 1
: 2,500
SMD/SMT QFN-24 CIP-51 8051 32 kB 8 bit 10 bit/12 bit/14 bit 72 MHz 20 I/O 2.25 kB 2.2 V 3.6 V - 40 C + 105 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 7,223In Stock
$3.79
$2.92
$2.67
$2.39
$2.31
Min.: 1
Mult.: 1
SMD/SMT QFN-32 CIP-51 8051 64 kB 8 bit 10 bit, 12 bit 50 MHz 29 I/O 4.35 kB 2.2 V 3.6 V - 40 C + 85 C Tray

Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU 5,887In Stock
$3.44
$2.90
$2.53
$2.37
Min.: 1
Mult.: 1
SMD/SMT QFN-24 CIP-51 8051 64 kB 8 bit 10 bit, 12 bit 50 MHz 20 I/O 4.35 kB 2.2 V 3.6 V - 40 C + 85 C Tube
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU 1,188In Stock
$1.35
$0.97
$0.873
$0.767
Min.: 1
Mult.: 1
SMD/SMT QFN-12 16 kB 8 bit 12 bit 50 MHz 9 I/O 512 B 1.8 V 5.5 V - 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 12,398In Stock
Cut Tape
$1.51
$1.29
$1.13
$1.04
Reel
$0.732
Min.: 1
Mult.: 1
: 2,500
SMD/SMT QFN-20 16 kB 16 I/O 1.28 kB 1.8 V 5.5 V - 40 C + 85 C Reel, Cut Tape
Microchip Technology 8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 24MHZ 4V-5.5V 515In Stock
$2.03
$1.86
$1.66
Min.: 1
Mult.: 1
SMD/SMT SOIC-20 8051 4 kB 8 bit No ADC 24 MHz 15 I/O 128 B 4 V 6 V - 40 C + 85 C Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU 3,867In Stock
Cut Tape
$4.81
$3.74
$3.33
$3.06
Reel
$2.42
Min.: 1
Mult.: 1
: 2,500
SMD/SMT QFN-32 CIP-51 8051 64 kB 8 bit 10 bit/12 bit/14 bit 72 MHz 29 I/O 4.25 kB 2.2 V 3.6 V - 40 C + 105 C Reel, Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU 1,000In Stock
Cut Tape
$1.39
$1.00
$0.90
$0.792
Reel
$0.656
Min.: 1
Mult.: 1
: 3,000
SMD/SMT QFN-16 16 kB 8 bit 12 bit 50 MHz 12 I/O 512 B 1.8 V 5.5 V - 40 C + 85 C Reel, Cut Tape, MouseReel
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU 968In Stock
$1.39
$1.00
$0.90
$0.792
Min.: 1
Mult.: 1
SMD/SMT QFN-16 16 kB 8 bit 12 bit 50 MHz 12 I/O 512 B 1.8 V 5.5 V - 40 C + 85 C Cut Tape

Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU 2,758In Stock
$4.08
$3.05
$2.77
$2.71
Min.: 1
Mult.: 1
SMD/SMT QFN-24 CIP-51 8051 64 kB 8 bit 10 bit, 12 bit 50 MHz 20 I/O 4.35 kB 2.2 V 3.6 V - 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 2,500In Stock
Cut Tape
$4.16
$3.10
$2.83
$2.54
Reel
$2.16
Min.: 1
Mult.: 1
: 2,500
SMD/SMT QFN-32 CIP-51 8051 64 kB 8 bit 10 bit, 12 bit 50 MHz 29 I/O 4.35 kB 2.2 V 3.6 V - 40 C + 125 C Reel, Cut Tape
Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V 666In Stock
$20.13
$15.63
$13.72
$13.27
Min.: 1
Mult.: 1
SMD/SMT TQFP-100 8051 64 kB 8 bit 12 bit 50 MHz 70 I/O 8 kB 1.71 V 5.5 V - 40 C + 85 C Tray
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
SMD/SMT SOIC-16 16 kB 8 bit 12 bit 50 MHz 12 I/O 512 B 1.8 V 5.5 V - 40 C + 125 C Tube
Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V 136In Stock
$30.08
$27.65
$21.39
$20.69
Min.: 1
Mult.: 1
SMD/SMT SSOP-48 8051 64 kB 8 bit 20 bit 67 MHz 29 I/O 8 kB 1.71 V 1.89 V - 40 C + 85 C Tube

Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU 993In 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
SMD/SMT QFN-24 CIP-51 8051 64 kB 8 bit 10 bit, 12 bit 50 MHz 20 I/O 4.35 kB 2.2 V 3.6 V - 40 C + 125 C Reel, Cut Tape, MouseReel

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 4/12/2026
Cut Tape
$2.30
$1.78
$1.58
$1.44
Reel
$1.23
Min.: 1
Mult.: 1
: 2,500
SMD/SMT QFN-20 CIP-51 8051 8 kB 8 bit 12 bit 25 MHz 16 I/O 512 B 1.8 V 3.6 V - 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 1,517In Stock
$4.18
$3.11
$2.84
$2.56
Min.: 1
Mult.: 1
SMD/SMT QFN-32 CIP-51 8051 64 kB 8 bit 10 bit, 12 bit 50 MHz 29 I/O 4.35 kB 2.2 V 3.6 V - 40 C + 125 C Tray
Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V 242In Stock
$23.20
$17.63
$16.89
$14.88
Min.: 1
Mult.: 1
SMD/SMT TQFP-100 8051 64 kB 8 bit 12 bit 50 MHz 72 I/O 8 kB 1.71 V 5.5 V - 40 C + 85 C Tray

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
SMD/SMT QSOP-24 CIP-51 8051 16 kB 8 bit 12 bit 50 MHz 21 I/O 2.3 kB 2.2 V 3.6 V - 40 C + 125 C Tube

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
SMD/SMT CSP-16 CIP-51 8051 8 kB 8 bit 12 bit 25 MHz 13 I/O 256 B 3.6 V 2.2 V - 40 C + 85 C Reel, Cut Tape, MouseReel