8 bit 50 MHz 8-bit Microcontrollers - MCU

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Description Datasheet Availability Pricing (TWD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Core
Program Memory Size
Data RAM Size
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Maximum Clock Frequency
ADC Resolution
Number of I/Os
Supply Voltage - Min
Supply Voltage - Max
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Minimum Operating Temperature
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Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V 8-bit MCU
Datasheet
15In Stock
Min.: 1
Mult.: 1

8051 128 kB 8.25 kB QFP-48 50 MHz 12 bit 40 I/O 1.8 V 5.25 V SMD/SMT 8 bit - 40 C + 125 C C8051F581 AEC-Q100 Tray
Silicon Labs 8-bit Microcontrollers - MCU 50 MIPS, 128 kB, 8 kB, SPI, 2xUART, I2C, QFP48
Datasheet
15In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 500

8051 128 kB 8.25 kB QFN-48 50 MHz 12 bit 40 I/O 1.8 V 5.25 V SMD/SMT 8 bit - 40 C + 125 C C8051F581 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
Datasheet
5In Stock
Min.: 1
Mult.: 1

CIP-51 8051 64 kB 4.35 kB QFP-32 50 MHz 10 bit, 12 bit 28 I/O 2.2 V 3.6 V SMD/SMT 8 bit - 40 C + 125 C Tray

Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
Datasheet
475In Stock
Min.: 1
Mult.: 1

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 Tube
ZiLOG 8-bit Microcontrollers - MCU eZ80AcclaimPlus! Connectivity ASSP Rev AC
Datasheet
15In Stock
1,980On Order
Min.: 1
Mult.: 1
eZ80 256 kB 8 kB 50 MHz No ADC 32 I/O 3 V 3.6 V SMD/SMT 8 bit - 40 C + 105 C EZ80F91
ZiLOG EZ80F91AZ050EK
ZiLOG 8-bit Microcontrollers - MCU eZ80AcclaimPlus! Connectivity ASSP Rev AB
Datasheet
14In Stock
780Expected 3/3/2027
Min.: 1
Mult.: 1

eZ80 256 kB 8 kB 50 MHz No ADC 32 I/O 3 V 3.6 V SMD/SMT 8 bit - 40 C + 105 C
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU
Datasheet
1,592Expected 8/26/2026
Min.: 1
Mult.: 1

8051 16 kB 1 kB QFN-24 50 MHz 10 bit 21 I/O 1.8 V 3.6 V SMD/SMT 8 bit - 40 C + 105 C C8051F390 Tube
Silicon Labs 8-bit Microcontrollers - MCU 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN24
Datasheet
1,497Expected 11/12/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

8051 16 kB 1 kB QFN-24 50 MHz 10 bit 21 I/O 1.8 V 3.6 V SMD/SMT 8 bit - 40 C + 105 C C8051F390 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
Datasheet
1In Stock
Min.: 1
Mult.: 1

CIP-51 8051 16 kB 2.3 kB QFN-28 50 MHz 12 bit 22 I/O 2.2 V 3.6 V SMD/SMT 8 bit - 40 C + 125 C EFM8BB2 Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
Datasheet
1,498Expected 9/1/2026
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 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU
Datasheet
2,430Expected 9/8/2026
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 + 125 C Reel, Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB LFO 8-bit MCU
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1,911
Mult.: 1,911

8051 16 kB 1 kB QFN-24 50 MHz 1.8 V 3.6 V SMD/SMT 8 bit - 40 C + 105 C C8051F391 Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB LFO 8-bit MCU
Datasheet
Lead-Time 12 Weeks
Min.: 1
Mult.: 1

8051 8 kB 1 kB QFN-24 50 MHz 10 bit 21 I/O 1.8 V 3.6 V SMD/SMT 8 bit - 40 C + 105 C C8051F394 Tube
Silicon Labs 8-bit Microcontrollers - MCU 8kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN24
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1
: 1,500

8051 8 kB 1 kB 50 MHz 10 bit 21 I/O 1.8 V 3.6 V SMD/SMT 8 bit - 40 C + 105 C C8051F394 Reel, Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 8 kB LFO 8-bit MCU
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1,911
Mult.: 1,911

8051 8 kB 1 kB QFN-24 50 MHz 1.8 V 3.6 V SMD/SMT 8 bit - 40 C + 105 C C8051F395 Tube

Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 8 kB LFO 8-bit MCU
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1,911
Mult.: 1,911

8051 8 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 C8051F396 Tube
Silicon Labs 8-bit Microcontrollers - MCU 8kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN20
Datasheet
Non-Stocked Lead-Time 12 Weeks
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

8051 8 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 C8051F396 Reel, Cut Tape, MouseReel

Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 8 kB LFO 8-bit MCU
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1,911
Mult.: 1,911

8051 8 kB 1 kB QFN-20 50 MHz 1.8 V 3.6 V SMD/SMT 8 bit - 40 C + 105 C C8051F397 Tube

Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 8 kB LFO 8-bit MCU
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1,911
Mult.: 1,911

8051 4 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 C8051F398 Tube

Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 4 kB LFO 8-bit MCU
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1,911
Mult.: 1,911

8051 4 kB 1 kB QFN-20 50 MHz 1.8 V 3.6 V SMD/SMT 8 bit - 40 C + 105 C C8051F399 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
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 3,000
Mult.: 3,000
: 3,000

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 Reel
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 2,500
Mult.: 2,500
: 2,500

16 kB 512 B SOIC-16 50 MHz 12 bit 12 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C BB50 Reel
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU
Datasheet
Non-Stocked Lead-Time 12 Weeks
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

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 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
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 3,000
Mult.: 3,000
: 3,000

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 Reel
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 2,500
Mult.: 2,500
: 2,500

16 kB 512 B SOIC-16 50 MHz 12 bit 12 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 125 C BB50 Reel