Name: C8051F581-IQ
Brand: Silicon Labs
SKU: 336-1566-ND
Price: 67.045 MYR
Availability: InStock

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C8051F581-IQ
DigiKey Part Number	336-1566-ND
Manufacturer	Silicon Labs
Manufacturer Product Number	C8051F581-IQ
Description	IC MCU 8BIT 128KB FLASH 48TQFP
Customer Reference
Detailed Description	8051 C8051F58x Microcontroller IC 8-Bit 50MHz 128KB (128K x 8) FLASH 48-TQFP (7x7)
Datasheet	Datasheet

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Category Integrated Circuits (ICs) Embedded Microcontrollers	Program Memory Size 128KB (128K x 8)
Mfr Silicon Labs	Program Memory Type FLASH
Series C8051F58x	RAM Size 8.25K x 8
Packaging Tray	Voltage - Supply (Vcc/Vdd) 1.8V ~ 5.25V
Part Status Last Time Buy	Data Converters A/D 32x12b
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 48-TQFP (7x7)
Connectivity EBI/EMI, SMBus (2-Wire/I2C), SPI, UART/USART	Package / Case 48-TQFP
Peripherals POR, PWM, Temp Sensor, WDT	Base Product Number C8051F581
Number of I/O 40

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Substitutes (1)

Part Number	Manufacturer	Quantity Available	DigiKey Part Number	Unit Price	Substitute Type
EFM8BB31F64I-D-QFN32	Silicon Labs	0	336-EFM8BB31F64I-D-QFN32-ND	RM6.49233	MFR Recommended

In-Stock: 736

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Last Time Buy Date: 10/09/2026

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