C8051F581-IQR Silicon Labs

Name: C8051F581-IQR
Brand: Perceptive Component Limited
SKU: C8051F581-IQR
Price: 0.001 USD
Availability: InStock
Rating: 88 (96 reviews)

Technical Parameters

Part Status	Active
Core Processor	8051
CoreSize	8-Bit
Speed	50MHz
Connectivity	EBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART
Peripherals	POR, PWM, Temp Sensor, WDT
Number of I/O	40
ProgramMemory Size	128KB (128K x 8)
ProgramMemory Type	FLASH
EEPROM Size	-
RAM Size	8.25K x 8
Voltage-Supply(Vcc/Vdd)	1.8V ~ 5.25V
Data Converters	A/D 32x12b
Oscillator Type	Internal
Operating Temperature	-40°C ~ 125°C (TA)
Mounting Type	Surface Mount
Package/Case	48-TQFP
Supplier Device Package	48-TQFP (7x7)
Base Product Number	C8051F581
Moisture Sensitivity Level(MSL)	3 (168 Hours)
ECCN	3A991A2
HTSUS	8542.31.0001

Reviews

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Marcolino 5 2025-05-06

If you're looking for something affordable that works flawlessly, this is the ticket.

Michael 5 2025-04-23

Good range of capacitance and voltage values. The price was super good!

JOSE 5 2025-04-07

Ordered these optoisolators to repair a damaged device. They arrived on time and performed well.

N. David 5 2025-03-25

Tested, the quality is very good.

Ponyyyy 5 2025-03-25

All functioned and are still working.

Zad 5 2025-03-21

Great product and support and service.

Reviews

Please rate the product !

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Shiping Type	Lead Time
	3-7 working days
	5-12 working days
	3-7 working days
	10-15 working days

1.We provide 365 days warranty.

2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.

FAQ:

Q: How does Perceptive guarantee that C8051F581-IQR is 100% genuine?

We have a dedicated business development team that thoroughly reviews and verifies our procurement channels. With 20 years of experience in sourcing electronic components for our customers, we have established a reliable supply chain of major brands, ensuring you can purchase with complete confidence.

Q: How to find the detailed information of C8051F581-IQR chip? Including original factory information, active filter application, C8051F581-IQR picture?

You can use Perceptive's search box, navigate through the brand manufacturer page, or visit the official website via Perceptive to download detailed information.

Q: What payment can support in Perceptive?

TT Bank, Escrow, Paypal, and is all acceptable. Including US dollars, rubles, RMB, etc.

Q: How to track my package?

Our sales staff will track the dynamics of the package in time and inform the customer.

Or customers can directly inquire on DHL, FedEx, UPS and other websites through the waybill number we provide. If you have any questions, please feel free to contact us and we will deal with them as soon as possible

Q: What is the process for returns or replacement of C8051F581-IQR?

1. After receiving the goods, the customer must complete the sample trial within 10 working days;

2. If there is a quality issue, please provide the electronic component inspection feedback report within 30 days. For cases of insufficient quantity or incorrect model delivery, Perceptive Component Limited will verify the issue. Once confirmed, we offer refunds or exchanges for quality-related problems.

Q: How to contact us and get support, such as C8051F581-IQR datasheet pdf, C8051F581-IQR pin diagram?

Need any After-Sales service, please feel free contact us: sales@perceptive-ic.com