C8051F37x/9x Small Form Factor MCUs

Silicon Labs C8051F37x/39x Small Form Factor MCUs are the next generation of Silicon Labs' best-selling C8051F33x mixed-signal MCUs. These MCUs range in flash size from 4-16 kB and are footprint and code compatible with the field-proven C8051F33x devices while offering faster speed/performance, more RAM, extra features and an extended temperature range. The C8051F39x/37x MCUs are an ideal fit for low-memory, low-pin-count applications. By combining a digital crossbar, analog peripherals, high-speed/performance, precision temperature sensor, and a precision oscillator all in a small form factor device, the C8051F39x/37x provides a best-in-class solution for a wide range of consumer, industrial, and communication applications.

Results: 9
Select Image Part # Mfr. Description Datasheet Availability Pricing (KRW) 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 Packaging
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU 1,322In Stock
₩6,442.8
₩5,319.6
₩4,508.4
₩4,305.6
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 8051 50 MHz 16 kB LFO 8-bit MCU 683In Stock
1,911Expected 11/2/2026
₩6,162
₩5,148
₩4,321.2
₩4,118.4
Min.: 1
Mult.: 1
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 Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB LFO 8-bit MCU Non-Stocked Lead-Time 12 Weeks
₩3,525.6
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 Non-Stocked Lead-Time 12 Weeks
₩3,307.2
Min.: 1,911
Mult.: 1,911
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 8051 50 MHz 8 kB LFO 8-bit MCU Non-Stocked Lead-Time 12 Weeks
₩3,151.2
₩3,120
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 Non-Stocked Lead-Time 12 Weeks
₩3,229.2
₩3,198
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 8051 50 MHz 8 kB LFO 8-bit MCU Non-Stocked Lead-Time 12 Weeks
₩3,120
₩3,088.8
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 Non-Stocked Lead-Time 12 Weeks
₩2,823.6
₩2,792.4
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 Non-Stocked Lead-Time 12 Weeks
₩2,698.8
₩2,667.6
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