Silicon Labs Microcontrollers - MCU

Results: 1,129
Select Image Part # Mfr. Description Datasheet Availability Pricing (USD) 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 ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 72 MHz 1024 kB USB LCD MCU 1,386In Stock
$15.87
$12.43
$11.57
$10.62
Min.: 1
Mult.: 1
SMD/SMT QFP-100 ARM Cortex M4 32 bit 72 MHz 1.02 MB 192 kB 2 x 12 bit 81 I/O 1.8 V 3.8 V + 85 C Tray
Silicon Labs ARM Microcontrollers - MCU 1024k Flash, 128k RAM, USB, AES 397In Stock
$18.67
$15.74
$14.33
$13.61
Min.: 1
Mult.: 1
SMD/SMT LQFP-100 ARM Cortex M3 32 bit 48 MHz 1.02 MB 128 kB 12 bit 81 I/O 1.98 V 3.8 V + 85 C Tray
Silicon Labs ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 72 MHz 2048 kB MCU 561In Stock
$20.37
$16.48
$15.11
$14.21
Min.: 1
Mult.: 1
SMD/SMT QFP-64 ARM Cortex M4 32 bit 72 MHz 2.05 MB 512 kB 12 bit 53 I/O 1.8 V 3.8 V + 85 C Tray
Silicon Labs ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 72 MHz 2048 kB USB LCD MCU 564In Stock
1,300Expected 25/12/2026
$21.49
$17.16
$15.92
$15.04
Min.: 1
Mult.: 1
SMD/SMT BGA-192 ARM Cortex M4 32 bit 72 MHz 2.05 MB 512 kB 12 bit 144 I/O 1.8 V 3.8 V + 85 C Tray

Silicon Labs 8-bit Microcontrollers - MCU 8KB,24ADC,28Pin MCU 978In Stock
$16.04
$12.56
$11.66
$10.74
Min.: 1
Mult.: 1
SMD/SMT QFN-28 8051 8 bit 50 MHz 8 kB 768 B 24 bit 17 I/O 2.7 V 3.6 V + 85 C Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU 997In Stock
$4.37
$3.30
$3.03
$2.73
Min.: 1
Mult.: 1
SMD/SMT QFN-24 8051 8 bit 50 MHz 16 kB 1 kB 10 bit 21 I/O 1.8 V 3.6 V + 105 C Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V CAN LIN 8-bit MCU 548In Stock
$11.71
$9.39
$8.46
$7.92
Min.: 1
Mult.: 1
SMD/SMT QFN-32 8051 8 bit 50 MHz 64 kB 4.25 kB 12 bit 25 I/O 1.8 V 5.25 V + 125 C AEC-Q100 Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V CAN LIN 8-bit MCU 1,814In Stock
$9.25
$7.17
$6.65
$6.07
Min.: 1
Mult.: 1
SMD/SMT QFN-24 8051 8 bit 50 MHz 32 kB 2.25 kB 12 bit 18 I/O 1.8 V 5.25 V + 125 C AEC-Q100 Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V 8-bit MCU Non-Stocked Lead-Time 12 Weeks
$8.90
$7.11
$6.34
$5.92
Min.: 1
Mult.: 1
SMD/SMT QFN-24 8051 8 bit 50 MHz 32 kB 2.25 kB 12 bit 18 I/O 1.8 V 5.25 V + 125 C AEC-Q100 Tube
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
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 + 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
$1.99
$1.47
$1.34
$1.19
Reel
$1.02
Min.: 1
Mult.: 1
: 2,500
SMD/SMT CSP-16 CIP-51 8051 8 bit 25 MHz 8 kB 256 B 12 bit 13 I/O 3.6 V 2.2 V + 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
$3.67
$2.48
$2.30
$2.00
Reel
$1.55
Min.: 1
Mult.: 1
: 2,500
SMD/SMT QFN-24 CIP-51 8051 8 bit 50 MHz 64 kB 4.35 kB 10 bit, 12 bit 20 I/O 2.2 V 3.6 V + 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 5,887In Stock
$2.53
$2.13
$1.86
$1.74
Min.: 1
Mult.: 1
SMD/SMT QFN-24 CIP-51 8051 8 bit 50 MHz 64 kB 4.35 kB 10 bit, 12 bit 20 I/O 2.2 V 3.6 V + 85 C Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU 7,223In Stock
$2.79
$2.20
$1.97
$1.81
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 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU 993In Stock
1,500Expected 30/11/2026
Cut Tape
$2.85
$2.12
$1.94
$1.74
Reel
$1.57
Min.: 1
Mult.: 1
: 2,500
SMD/SMT QFN-24 CIP-51 8051 8 bit 50 MHz 64 kB 4.35 kB 10 bit, 12 bit 20 I/O 2.2 V 3.6 V + 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 2,758In Stock
$3.00
$2.24
$2.04
$1.99
Min.: 1
Mult.: 1
SMD/SMT QFN-24 CIP-51 8051 8 bit 50 MHz 64 kB 4.35 kB 10 bit, 12 bit 20 I/O 2.2 V 3.6 V + 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
$3.06
$2.28
$2.08
$1.87
Reel
$1.59
Min.: 1
Mult.: 1
: 2,500
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 + 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 1,517In Stock
$3.07
$2.29
$2.09
$1.88
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 + 125 C Tray
Silicon Labs ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 128 kB flash 32 kB RAM MCU 860In Stock
Cut Tape
$5.60
$4.26
$3.93
$3.56
Reel
$3.24
Min.: 1
Mult.: 1
: 1,000
SMD/SMT QFP-48 ARM Cortex M0+ 32 bit 48 MHz 128 kB 32 kB 12 bit 37 I/O 1.8 V 3.8 V + 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 12,398In Stock
Cut Tape
$1.11
$0.946
$0.83
$0.762
Reel
$0.538
Min.: 1
Mult.: 1
: 2,500
SMD/SMT QFN-20 16 kB 1.28 kB 16 I/O 1.8 V 5.5 V + 85 C Reel, 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 4,000In Stock
Cut Tape
$1.11
$0.802
$0.722
$0.635
Reel
$0.526
Min.: 1
Mult.: 1
: 2,500
SMD/SMT QFN-32 16 kB 1.28 kB 16 I/O 1.8 V 5.5 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 2,443In Stock
$3.36
$2.65
$2.37
$2.17
Min.: 1
Mult.: 1
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 AEC-Q100 Tube

Silicon Labs ARM Microcontrollers - MCU ARM Cortex-M0+ 32-bit 25 MHz 64 kB MCU 640In Stock
Cut Tape
$5.30
$4.17
$3.73
$3.46
Reel
$2.79
Min.: 1
Mult.: 1
: 3,000
SMD/SMT QFN-32 ARM Cortex M0+ 32 bit 25 MHz 64 kB 8 kB 12 bit 22 I/O 1.98 V 3.8 V + 85 C Reel, Cut Tape
Silicon Labs ARM Microcontrollers - MCU ARM Cortex-M0+ 32-bit 25 MHz 64 kB USB MCU 504In Stock
1,000Expected 05/02/2027
Cut Tape
$6.10
$4.65
$4.28
$3.88
$3.81
Reel
$3.23
Min.: 1
Mult.: 1
: 1,000
SMD/SMT TQFP-48 ARM Cortex M0+ 32 bit 25 MHz 64 kB 8 kB 12 bit 35 I/O 1.98 V 3.8 V + 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
$3.03
$2.26
$2.06
$1.85
Reel
$1.57
Min.: 1
Mult.: 1
: 2,500
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