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C8051F331R

C8051F331R

C8051F331R

Silicon Labs

8KB 8K x 8 FLASH 8051 8-Bit Microcontroller C8051F33x Series C8051F33 25MHz 20-VFQFN Exposed Pad

SOT-23

C8051F331R Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Mounting Type Surface Mount
Package / Case 20-VFQFN Exposed Pad
Supplier Device Package 20-MLP (4x4)
Operating Temperature-40°C~85°C TA
PackagingTape & Reel (TR)
Series C8051F33x
Published 2004
Part StatusObsolete
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Max Operating Temperature85°C
Min Operating Temperature -40°C
Frequency 25MHz
Base Part Number C8051F33
Number of Channels 3
Interface 2-Wire, I2C, SMBus, SPI, UART, USART
Max Supply Voltage3.6V
Min Supply Voltage2.7V
Memory Size8kB
Oscillator TypeInternal
Number of I/O 17
Speed 25MHz
RAM Size 768 x 8
Memory TypeFLASH
Voltage - Supply (Vcc/Vdd) 2.7V~3.6V
Core Processor 8051
Peripherals POR, PWM, WDT
Program Memory TypeFLASH
Core Size 8-Bit
Program Memory Size 8KB 8K x 8
Connectivity SMBus (2-Wire/I2C), SPI, UART/USART
Access Time 25 μs
Data Bus Width 8b
Number of Timers/Counters 4
Core Architecture 8051
Max Frequency 25MHz
Number of Programmable I/O 17
RoHS StatusNon-RoHS Compliant
Lead Free Contains Lead
In-Stock:4042 items

C8051F331R Product Details

C8051F331R Overview


In a 20-VFQFN Exposed Pad package, the MCU is available. 17 I/Os are available. The Microcontroller has a mounting type of Surface Mount, which indicates that it is mounted conveniently. The 8-Bit core is the core of the MCU. There is a FLASH type of memory for its program. There is a temperature range of -40°C~85°C TA that is operated by this Microcontroller. C8051F33x series components make up this electrical component. 8KB 8K x 8 is the size of its program memory. A 8051 Core processor is used to power the device. 8kB is the memory size of the part. The base part number C8051F33 can be used to find alternatives. The efficiency of this device can be improved when operating at a frequency of 25MHz. The clock has 4 timers or counters on it. It has built-in FLASH memory. There is an integrated 8051 core architecture in it. It programs in 17 Programmable I/O.

C8051F331R Features


20-VFQFN Exposed Pad package
Mounting type of Surface Mount
Minimum temperature of -40°C


C8051F331R Applications


There are a lot of Silicon Labs
C8051F331R Microcontroller applications.


  • Heater/Fan
  • Calculator
  • Kindle
  • Christmas lights
  • 3D printers
  • Washing machine
  • Microwave ovens
  • Home appliances
  • Home video and audio
  • Entertainment products

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