C8051F311R representative package visual — not an exact-product photograph

Representative package visual — not an exact-product photographProduct referenceVendor-delivered DigiKey product/package image

Exact MPN20 sourced attributes1 source document

Silicon Labs · exact orderable part

C8051F311R

IC MCU 8BIT 16KB FLASH 28QFN

Core Processor: 8051
Speed: 25MHz
Program Memory Size: 16KB (16K x 8)
RAM Size: 1.25K x 8
Voltage - Supply (Vcc/Vdd): 2.7V ~ 3.6V
Package / Case: 28-VFQFN Exposed Pad

Original manufacturerCommercial terms confirmed per lot

ManufacturerSilicon Labs

Package / case28-VFQFN Exposed Pad

Mounting typeSurface Mount

PackingTape & Reel (TR)

Technical parameters

Technical specifications

20 normalized values · 1 validated source

Report a data issue

C8051F311R technical parameters
Parameter	Value
Base Product Number	C8051F311 [1]
Connectivity	SMBus (2-Wire/I²C), SPI, UART/USART [1]
Core Processor	8051 [1]
Core Size	8-Bit [1]
Data Converters	A/D 17x10b [1]
DigiKey Programmable	Not Verified [1]
Mfr	Silicon Labs [1]
Mounting Type	Surface Mount [1]
Number of I/O	25 [1]
Operating Temperature	-40°C ~ 85°C (TA) [1]
Oscillator Type	Internal [1]
Peripherals	POR, PWM, Temp Sensor, WDT [1]
Product Status	Obsolete [1]
Program Memory Size	16KB (16K x 8) [1]
Program Memory Type	FLASH [1]
RAM Size	1.25K x 8 [1]
Series	C8051F31x [1]
Speed	25MHz [1]
Voltage - Supply (Vcc/Vdd)	2.7V ~ 3.6V [1]
Package / Case	28-VFQFN Exposed Pad [1]

Specification references[1]Silicon Labs C8051F311R vendor product record ↗

Catalog relationships

Keep family and exact MPN intent separate.

This page describes one orderable part. A family page helps select suffixes but never carries assumed stock or a price.

ManufacturerSilicon LabsView brand page →CategoryMicrocontrollersView category page →

Related exact parts

Other published parts

Browse exact MPNs and compare their specifications. These links do not imply compatibility or interchangeability.

C8051F311R Silicon Labs Datasheet, Specs and RFQ | MPNHarbor