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C8051F346-GQR The C8051F346-GQR is an 8-bit microcontroller from Silicon Labs featuring an 8051 core at 25MHz, 64kB Flash memory, and USB 2.0 connectivity. It is housed in a 32-LQFP package.
Mfr Part #:

C8051F346-GQR

Available from 2 distributors
Mfr Name: Silicon Labs
Silicon Labs
The C8051F346-GQR is an 8-bit microcontroller from Silicon Labs featuring an 8051 core at 25MHz, 64kB Flash memory, and USB 2.0 connectivity. It is housed in a 32-LQFP package.
✓ Total Stock: 2,100 pcs

C8051F346-GQR Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Flip Electronics ✓
Non-Authorised Inventory information
1,727 pcs
On Request
1727 pcs On Request 1 On Request On Request On Request On Request On Request
Risen Electronics ✓
Non-Authorised Inventory information
373 pcs
On Request
373 pcs On Request 1 On Request On Request On Request On Request 2026-02-23 21:33:16
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

C8051F346-GQR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Connectivity
Core Processor
Core Size
Data Converters
Lead Spacing
Lead Style
Mounting Type
Number of I
Operating Temperature
Oscillator Type
Peripherals
Program Memory Size
Program Memory Type
RAM Size
Speed
Supplier Device Package
Temperature Range
Voltage
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C8051F346-GQR Description

Short technical summary and product information.

The C8051F346-GQR is a member of Silicon Labs' C8051F34x family of USB Flash MCUs. It integrates a high-speed 8051 core with a pipelined instruction architecture, capable of 25 MIPS. The device includes 64 kB of Flash program memory and 4.25 kB of RAM. It features a full-speed USB 2.0 controller with integrated clock recovery, eliminating the need for an external crystal. Analog peripherals include a 10-bit ADC with up to 200 ksps sampling rate, two comparators, and a temperature sensor. Digital peripherals include SMBus/I2C, SPI, UART/USART, and 25 general-purpose I/O pins. The operating voltage range is 2.7V to 3.6V, and it operates over -40°C to +85°C. The device is available in a 32-LQFP (7x7 mm) surface mount package.

C8051F346-GQR Quick Information

Product Type: Microcontroller
Canonical Name: Silicon Labs C8051F346-GQR 8-bit Microcontroller
Subcategory: 8-bit Microcontroller

C8051F346-GQR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

C8051F346-GQR Features

  • 8-bit 8051 core at 25 MHz.
  • 64 kB Flash program memory.
  • 4.25 kB of on-chip RAM.
  • USB 2.0 full-speed controller.
  • 10-bit ADC with 200 ksps.

C8051F346-GQR Applications

  • USB peripheral devices.
  • Embedded control systems.
  • Industrial automation.
  • Sensor interfacing.
  • Portable instruments.

C8051F346-GQR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of C8051F346-GQR?

2.7V to 3.6V.

What package does the C8051F346-GQR come in?

32-LQFP (7x7 mm).

What is the operating temperature range?

-40°C to 85°C.

Is the C8051F346-GQR RoHS compliant?

RoHS3 compliant (unverified).

What is the core processor?

8051 8-bit.

What is the maximum clock speed?

25 MHz.

Does it have USB connectivity?

Yes, USB 2.0 full-speed (12 Mbps) or low speed (1.5 Mbps).

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