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C8051F991-C-GMR

C8051F991-C-GMR

C8051F991-C-GMR

Silicon Labs

8KB 8K x 8 FLASH CIP-51 8051 8-Bit Microcontroller C8051F9xx Series 25MHz 20-UFQFN Exposed Pad

SOT-23

C8051F991-C-GMR Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Factory Lead Time 8 Weeks
Contact PlatingTin
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 20-UFQFN Exposed Pad
Operating Temperature-40°C~85°C TA
PackagingTape & Reel (TR)
Series C8051F9xx
Published 2001
Part StatusActive
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 20
Terminal Position QUAD
Terminal FormNO LEAD
Terminal Pitch0.5mm
Frequency 25MHz
Operating Supply Voltage2.4V
Supply Voltage-Max (Vsup) 3.6V
Interface 2-Wire, I2C, SMBus, SPI, UART, USART
Memory Size8kB
Oscillator TypeInternal
Number of I/O 16
RAM Size 512 x 8
Voltage - Supply (Vcc/Vdd) 1.8V~3.6V
uPs/uCs/Peripheral ICs Type MICROCONTROLLER
Core Processor CIP-51 8051
Peripherals Brown-out Detect/Reset, Cap Sense, 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
Bit Size 8
Watchdog TimerYes
Has ADC YES
DMA Channels NO
Data Bus Width 8b
PWM Channels YES
Number of Timers/Counters 4
Core Architecture 8051
Length 3mm
RoHS StatusRoHS Compliant
In-Stock:4694 items

Pricing & Ordering

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C8051F991-C-GMR Product Details

C8051F991-C-GMR Overview


A 20-UFQFN Exposed Pad package is included. In total, it has 16 inputs and outputs. This Microcontroller is mounted using the Surface Mount mounting type. Powered by the 8-Bit core, it offers a wide range of capabilities. The type of memory that the program uses is FLASH. The temperature range of this Microcontroller is within the range of -40°C~85°C TA. C8051F9xx series components belong to this electrical component. Its program memory size is 8KB 8K x 8. There is a CIP-51 8051 Core Processor inside MCU that provides this device with its power. MICROCONTROLLER uPs, uCs, and peripheral ICs make up the Microcontroller. Microcontroller is known that the chip has 20 terminations in total. The part works on a 8-bit basis. The Microcontroller chip has NO DMA channels. 8kB memory size belongs to the part. A good performance can be achieved at a frequency of 25MHz, as long as it is operated at a low power consumption. In order for the device to work with the motor, it utilizes the PWM channel YES. A total of 4 timers/counters are included in the package. It is built on a 8051 core architecture.

C8051F991-C-GMR Features


20-UFQFN Exposed Pad package
Mounting type of Surface Mount


C8051F991-C-GMR Applications


There are a lot of Silicon Labs
C8051F991-C-GMR Microcontroller applications.


  • Calculator
  • Kindle
  • Christmas lights
  • 3D printers
  • Washing machine
  • Microwave ovens
  • Home appliances
  • Home video and audio
  • Entertainment products
  • Digital cameras

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