8051 microcontroller Embedded Processors & Controllers

Types of Embedded Processors & Controllers

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Results: 576
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 2 kB flash 0.25 kB RAM 8-bit Sleepy Bee MCU 1,008In Stock
6,300Expected 11/11/2026
$1.33
$1.03
$0.918
$0.816
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT QFN-20 CIP-51 8051 8 bit 25 MHz 2 kB 256 B 12 bit 16 I/O - 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 1,517In Stock
$3.07
$2.29
$2.09
$1.88
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 4 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU 2In Stock
$1.60
$1.17
$1.06
$0.943
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
$4.50
$2.98
$2.52
$2.31
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 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU 234In Stock
$0.92
$0.733
$0.522
$0.499
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 2,983In Stock
$3.36
$2.65
$2.37
$2.17
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
Infineon Technologies 8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V 186In Stock
$9.64
$7.50
$6.64
$6.37
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 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU 874In Stock
Cut Tape
$0.96
$0.691
$0.622
$0.547
Reel
$0.453
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 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU 3,229In Stock
$1.75
$1.48
$1.30
$1.21
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 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU 294In Stock
$0.99
$0.713
$0.642
$0.564
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 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU 74In Stock
Cut Tape
$2.67
$1.98
$1.81
$1.62
$1.59
Reel
$1.35
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 + 85 C Reel, 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
$0.83
$0.712
$0.627
$0.56
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 29 GPIO BB5 8-bit MCU 606In Stock
$1.20
$1.02
$0.895
$0.80
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT QFN-32 16 kB 1.28 kB 16 I/O - 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 947In Stock
4,900On Order
$2.79
$2.20
$1.97
$1.81
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 + 85 C Tray
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
$1.28
$0.999
$0.95
$0.718
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 29 GPIO BB5 8-bit MCU 722In Stock
400On Order
$0.97
$0.744
$0.726
$0.648
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT QFN-32 16 kB 1.28 kB 12 bit 29I/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
$0.93
$0.669
$0.603
$0.53
Reel
$0.474
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 151In Stock
$1.08
$0.78
$0.702
$0.617
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 0.5 kB RAM 12 GPIO BB5 8-bit MCU 71In Stock
$0.92
$0.737
$0.662
$0.557
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT QFN-16 8 bit 50 MHz 16 kB 512 B 12 bit 12 I/O - 40 C + 125 C Cut Tape

Silicon Labs 8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU 418In Stock
500Expected 15/01/2027
Cut Tape
$3.96
$2.95
$2.70
$2.42
Reel
$2.23
Min.: 1
Mult.: 1
: 500
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 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 1,045In Stock
2,200On Order
$0.96
$0.67
$0.601
$0.525
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT QFN-32 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 0.5 kB RAM 9 GPIO BB5 8-bit MCU 100In Stock
$1.02
$0.735
$0.662
$0.582
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
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
$1.14
$0.824
$0.742
$0.653
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 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU 297In Stock
$1.00
$0.788
$0.752
$0.582
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 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU 617In Stock
Cut Tape
$2.41
$1.78
$1.62
$1.45
Reel
$1.24
Min.: 1
Mult.: 1
: 2,500
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 Reel, Cut Tape