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Same model may have multiple batches, images only for reference.
C8051F581-IQR
Same model may have multiple batches, images only for reference.

C8051F581-IQR

Part No C8051F581-IQR
Manufacturer Silicon Labs
Catalog Embedded - Microcontrollers
Description IC MCU 8BIT 128KB FLASH 48TQFP
Datasheet
C8051F581-IQR Datasheet
Sample
Rohs State rohs
ECAD Module
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Products specifications Report Issue?

Category Integrated Circuits (ICs) - Embedded - Microcontrollers
Mfr Silicon Labs
Series C8051F58x
Package Tape & Reel
Product Status Active
Core Processor 8051
Core Size 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
Program Memory Size 128KB (128K x 8)
Program Memory 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
Temperature Range - Operating -40°C ~ 125°C (TA)
Mounting Type Surface Mount
Package / Case 48-TQFP
Supplier Device Package 48-TQFP (7x7)
Base Product Number C8051F581
MSL Level 3 (168 Hours)
ECCN 3A991A2
HTSUS 8542.31.0001
Win Source Part Number 1378105-C8051F581-IQR
Ultra Librarian 3D Model Ultra Librarian C8051F581-IQR CAD Model

Description

The C8051F581-IQR is an 8-bit microcontroller from Silicon Labs' C8051F58x series. Bold the product name (e.g., BAV99S,135 → C8051F581-IQR) and manufacturer (e.g., Nexperia USA Inc. → Silicon Labs).

  • Category: Integrated Circuits (ICs)
  • Operating Temperature: -40°C to 125°C (TA)
  • Package: 48-TQFP
  • Supplier Device Package: 48-TQFP (7x7)
  • Speed: 50MHz
  • Number of I/O: 40
  • Core Processor: 8051
  • Core Size: 8-Bit
  • Connectivity: EBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART
  • Peripherals: Power-On Reset (POR), Pulse Width Modulation (PWM), Temperature Sensor, Watchdog Timer (WDT)
  • Program Memory Size: 128KB (128K x 8)
  • Memory Type: Flash
  • Voltage Supply: 1.8V to 5.25V
  • A/D Converter: 32x12 bits
  • Status: Active

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Pricing & Ordering

Quantity Unit Price Ext. Price
4+ $15.7815 $63.1260
9+ $12.9489 $116.5401
14+ $12.5444 $175.6216
20+ $12.1397 $242.7940
25+ $11.7350 $293.3750
33+ $10.5210 $347.1930
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Availability: 6,000 pieces
MOQ: 4 pcs
Order Increment : 1 pcs
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