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

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
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

Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU 375In Stock
$3.28
$2.42
$2.20
$1.97
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
Silicon Labs 8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU 12In Stock
Cut Tape
$3.79
$2.82
$2.58
$2.31
Reel
$1.97
Min.: 1
Mult.: 1
: 2,500
8-bit Microcontrollers - MCU 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 - 40 C + 105 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 9In Stock
$4.54
$3.39
$3.10
$2.77
$2.73
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT QFP-32 CIP-51 8051 8 bit 50 MHz 64 kB 4.35 kB 10 bit, 12 bit 28 I/O - 40 C + 125 C Tray

Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V 6In Stock
$21.96
$17.19
$15.48
$14.63
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT QFN-68 8051 8 bit 50 MHz 64 kB 8 kB 12 bit 48 I/O - 40 C + 85 C Tray

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 4 kB Flash 0.5 kB RAM 8-bit Busy Bee MCU 218In Stock
$1.66
$1.21
$1.09
$0.968
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
Microchip Technology 8-bit Microcontrollers - MCU 32K FLASH 4.0 TO 5.5V 1,029In Stock
$7.03
$6.46
$6.22
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
Silicon Labs 8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU 90In Stock
$3.06
$2.26
$2.05
$1.84
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
$14.27
$13.12
$12.91
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
$4.08
$3.05
$2.77
$2.49
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

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU
17,031On Order
$2.23
$1.66
$1.51
$1.33
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 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
93,467On Order
Cut Tape
$2.18
$1.59
$1.44
$1.28
Reel
$1.07
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
$5.39
$4.35
$3.82
$3.63
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 4/12/2026
$1.63
$1.18
$1.07
$0.945
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
7,560Expected 25/12/2026
$1.84
$1.33
$1.20
$1.06
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 32 kB flash 4 kB RAM 8-bit Sleepy Bee MCU
1,498Expected 29/1/2027
Cut Tape
$3.37
$2.86
$2.24
$1.96
Reel
$1.63
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
$2.04
$1.88
$1.69
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
Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V
179Expected 20/11/2026
$23.20
$17.63
$16.89
$14.88
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT TQFP-100 8051 8 bit 50 MHz 64 kB 8 kB 12 bit 72 I/O - 40 C + 85 C Tray

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 4 kB RAM 8-bit Sleepy Bee MCU
1,911Expected 27/10/2026
$2.90
$2.22
$1.97
$1.82
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT QFN-24 CIP-51 8051 8 bit 25 MHz 16 kB 4.25 kB 10 bit 16 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
$3.06
$2.26
$2.05
$1.84
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
$1.82
$1.33
$1.20
$1.06
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 32 kB flash 2.304 kB RAM 25 GPIO BB5 8-bit MCU
200On Order
$1.92
$1.50
$1.33
$1.19
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 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU
1,249Expected 21/10/2026
$3.63
$2.69
$2.46
$2.20
$2.15
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
Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU
3,550On Order
$2.58
$2.01
$1.81
$1.60
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 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
179Expected 27/10/2026
$1.55
$1.12
$1.01
$0.888
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