C8051F543-IMR is available for purchase but is not normally stocked.
Available Substitutes:

MFR Recommended


Silicon Labs
In Stock: 0
Unit Price: 0,35938 €
Datasheet
8051 C8051F54x Microcontroller IC 8-Bit 50MHz 16KB (16K x 8) FLASH 24-QFN (4x4)
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C8051F543-IMR

DigiKey Part Number
C8051F543-IMR-ND - Tape & Reel (TR)
Manufacturer
Manufacturer Product Number
C8051F543-IMR
Description
IC MCU 8BIT 16KB FLASH 24QFN
Customer Reference
Detailed Description
8051 C8051F54x Microcontroller IC 8-Bit 50MHz 16KB (16K x 8) FLASH 24-QFN (4x4)
Datasheet
 Datasheet
Product Attributes
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Category
Program Memory Size
Mfr
Program Memory Type
FLASH
Series
RAM Size
1.25K x 8
Packaging
Tape & Reel (TR)
Voltage - Supply (Vcc/Vdd)
1.8V ~ 5.25V
Part Status
Last Time Buy
Data Converters
A/D 18x12b
DigiKey Programmable
Not Verified
Oscillator Type
Internal
Core Processor
8051
Operating Temperature
-40°C ~ 125°C (TA)
Core Size
8-Bit
Mounting Type
Surface Mount
Speed
50MHz
Supplier Device Package
24-QFN (4x4)
Connectivity
SMBus (2-Wire/I2C), SPI, UART/USART
Package / Case
24-WFQFN Exposed Pad
Peripherals
POR, PWM, Temp Sensor, WDT
Base Product Number
Number of I/O
18
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (1)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
EFM8BB52F16I-C-QFN20RSilicon Labs0336-EFM8BB52F16I-C-QFN20RTR-ND0,35938 €MFR Recommended
Last Time Buy
Last Time Buy Date: 01.10.2026
All prices are in EUR
Tape & Reel (TR)
QuantityUnit PriceExt Price
1.5004,64640 €6.969,60 €
Manufacturers Standard Package
Unit Price without VAT:4,64640 €
Unit Price with VAT:5,52922 €