50 MHz SMD/SMT 8-bit Microcontrollers - MCU

Results: 182
Select Image Part # Mfr. Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model Core Program Memory Size Data RAM Size Package/Case Maximum Clock Frequency ADC Resolution Number of I/Os Supply Voltage - Min Supply Voltage - Max Mounting Style Data Bus Width Minimum Operating Temperature Maximum Operating Temperature Series Qualification Packaging

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 2 kB RAM 8-bit Universal Bee MCU 2,547In Stock
5,040Expected 2026/10/09
$1.78
$1.51
$1.33
$1.23
Min.: 1
Mult.: 1
CIP-51 8051 8 kB 2.25 kB QFN-20 50 MHz 12 bit 13 I/O 2.2 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C EFM8UB 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
$4.47
$2.95
$2.67
$2.28
Reel
$1.90
Min.: 1
Mult.: 1
: 1,500
CIP-51 8051 16 kB 2.25 kB QFN-20 50 MHz 12 bit 16 I/O 2.2 V 3.6 V SMD/SMT 8 bit - 40 C + 125 C EFM8BB2 AEC-Q100 Reel, Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU 1,057In Stock
1,533Expected 2026/11/20
$13.41
$10.99
$10.04
$9.47
Min.: 1
Mult.: 1
8051 32 kB 2.31 kB QFN-28 50 MHz 12 bit 20 I/O 2 V 5.25 V SMD/SMT 8 bit - 40 C + 85 C C8051F411 Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU 437In Stock
1,500Expected 2026/10/16
Cut Tape
$14.06
$11.47
$10.51
$9.87
Reel
$8.76
Min.: 1
Mult.: 1
: 1,500
8051 32 kB 2.25 kB QFN-28 50 MHz 12 bit 20 I/O 2 V 5.25 V SMD/SMT 8 bit - 40 C + 85 C C8051F411 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
$1.86
$1.54
$1.33
$1.26
Reel
$0.946
Min.: 1
Mult.: 1
: 2,500
CIP-51 8051 16 kB 2.3 kB QFN-32 50 MHz 10 bit, 12 bit 29 I/O 2.2 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C Reel, Cut Tape, MouseReel

Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU 1,520In Stock
Cut Tape
$3.33
$2.19
$2.02
$1.76
Reel
$1.36
Min.: 1
Mult.: 1
: 1,500
CIP-51 8051 32 kB 2.3 kB QFN-24 50 MHz 10 bit, 12 bit 20 I/O 2.2 V 3.6 V SMD/SMT 8 bit - 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 2,120In Stock
Cut Tape
$3.68
$2.48
$2.30
$2.00
Reel
$1.55
Min.: 1
Mult.: 1
: 1,500
CIP-51 8051 64 kB 4.35 kB QFN-24 50 MHz 10 bit, 12 bit 20 I/O 2.2 V 3.6 V SMD/SMT 8 bit - 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 1,398In Stock
Cut Tape
$2.67
$1.98
$1.81
$1.62
Reel
$1.40
Min.: 1
Mult.: 1
: 2,500
CIP-51 8051 64 kB 4.35 kB QFN-32 50 MHz 10 bit, 12 bit 29 I/O 2.2 V 3.6 V SMD/SMT 8 bit - 40 C + 85 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 5,987In Stock
$2.54
$2.13
$1.86
$1.74
Min.: 1
Mult.: 1
CIP-51 8051 64 kB 4.35 kB QFN-24 50 MHz 10 bit, 12 bit 20 I/O 2.2 V 3.6 V SMD/SMT 8 bit - 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 995In Stock
1,500Expected 2026/11/30
Cut Tape
$2.85
$2.12
$1.94
$1.74
Reel
$1.57
Min.: 1
Mult.: 1
: 1,500
CIP-51 8051 64 kB 4.35 kB QFN-24 50 MHz 10 bit, 12 bit 20 I/O 2.2 V 3.6 V SMD/SMT 8 bit - 40 C + 125 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 1,299In Stock
$4.35
$2.88
$2.62
$2.23
Min.: 1
Mult.: 1
CIP-51 8051 64 kB 4.35 kB QFN-32 50 MHz 10 bit, 12 bit 29 I/O 2.2 V 3.6 V SMD/SMT 8 bit - 40 C + 125 C Tray
Silicon Labs 8-bit Microcontrollers - MCU 8KB,24ADC,28Pin MCU 97In Stock
Cut Tape
$15.63
$12.47
$11.32
$10.58
Reel
$9.26
Min.: 1
Mult.: 1
: 1,500
8051 8 kB 768 B QFN-28 50 MHz 24 bit 17 I/O 2.7 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C C8051F351 Reel, Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN20 72In Stock
Cut Tape
$4.05
$3.57
$3.04
$2.58
Reel
$2.23
Min.: 1
Mult.: 1
: 1,500
8051 16 kB 1 kB QFN-20 50 MHz 10 bit 17 I/O 1.8 V 3.6 V SMD/SMT 8 bit - 40 C + 105 C C8051F392 Reel, Cut Tape, MouseReel
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V CAN LIN 8-bit MCU 222In Stock
1,911Expected 2026/10/02
$9.00
$7.20
$6.41
$5.99
Min.: 1
Mult.: 1
8051 32 kB 2.25 kB QFN-24 50 MHz 12 bit 18 I/O 1.8 V 5.25 V SMD/SMT 8 bit - 40 C + 125 C C8051F550 AEC-Q100 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 307In Stock
1,000Expected 2026/10/06
$0.911
$0.72
$0.644
$0.576
Min.: 1
Mult.: 1
16 kB 512 B QFN-12 50 MHz 12 bit 9 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C BB50 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 200In Stock
$0.98
$0.756
$0.671
$0.593
Min.: 1
Mult.: 1
16 kB 512 B QFN-12 50 MHz 12 bit 9 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 125 C BB50 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
16 kB 512 B QFN-16 50 MHz 12 bit 12 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 125 C BB50 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 356In Stock
$0.83
$0.712
$0.627
$0.561
Min.: 1
Mult.: 1
4 kB 512 B QFN-16 50 MHz 12 bit 12 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C BB50 Cut Tape
Infineon Technologies 8-bit Microcontrollers - MCU 16K Flash 50MHz 8051 1.71V to 5.5V 33In Stock
$11.28
$8.78
$7.97
$6.41
Min.: 1
Mult.: 1
8051 16 kB 2 kB TQFP-100 50 MHz 12 bit 70 I/O 1.71 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C CY8C3244 Tray
Infineon Technologies 8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V 134In Stock
$12.34
$11.03
$8.52
$8.42
Min.: 1
Mult.: 1
8051 32 kB 4 kB SSOP-48 50 MHz 12 bit 29 I/O 1.71 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C CY8C3445 Tube
Infineon Technologies 8-bit Microcontrollers - MCU PSoC 64KB FLASH 1.7-5.5V 62 I/O 113In Stock
Cut Tape
$16.63
$13.04
$11.75
$11.11
Reel
$9.40
Min.: 1
Mult.: 1
: 1,500
8051 64 kB 8 kB TQFP-100 50 MHz 12 bit 72 I/O 1.71 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C CY8C3446 Reel, Cut Tape, MouseReel
Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU 122In Stock
$2.64
$2.08
$1.85
$1.71
Min.: 1
Mult.: 1
CIP-51 8051 16 kB 2.25 kB QSOP-24 50 MHz 12 bit 17 I/O 2.2 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C EFM8UB Tube
Silicon Labs 8-bit Microcontrollers - MCU 50MIPS,128KB,12ADC,100Pin MCU 50In Stock
1,350Expected 2026/12/04
$44.68
$40.05
$37.36
$36.34
Min.: 1
Mult.: 1
8051 128 kB 8.25 kB TQFP-100 50 MHz 8 bit, 12 bit 64 I/O 2.7 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C C8051F124 Tray
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V CAN LIN 8-bit MCU 181In Stock
$13.14
$11.46
$9.58
$8.80
Min.: 1
Mult.: 1
8051 64 kB 4.25 kB QFN-48 50 MHz 12 bit 40 I/O 1.8 V 5.25 V SMD/SMT 8 bit - 40 C + 125 C C8051F500 AEC-Q100 Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU 1,070In Stock
$2.11
$1.67
$1.54
$1.37
Min.: 1
Mult.: 1
CIP-51 8051 16 kB 2.3 kB QFP-32 50 MHz 10 bit, 12 bit 28 I/O 2.2 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C Tray