Silicon Lab C8051F581-IQR
$ 9.31
EOL
Price and Stock
Authorized Distributors
Non-Authorized Stocking Distributors
Non-Authorized Dealers
| Distributor | SKU | Min | Pkg | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DigiKey | 336-4821-1-ND | 657 | 1 | Cut Tape | ||||||||
| Newark | C8051F581-IQR | 932 | 1 | Cut Tape | ||||||||
| Braemac Americas - Symmetry Electronics | C8051F581-IQR | 0 | 11h | |||||||||
| Mouser | 634-C8051F581-IQR | 2,187 | 1 | Tape & Reel | ||||||||
| element14 APAC | C8051F581-IQR | 932 | 1 | Cut Tape | 22h |
Inventory History
3 month trend: -43.95%
CAD Models
Download symbol, footprint, and 3D STEP
Alternate Parts
0 parts available
Datasheets & Documents
Download datasheets and manufacturer documentation for Silicon Lab C8051F581-IQR.
CAD Models
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| source | eCAD | mCAD | FILES |
|---|---|---|---|
 SnapEDA | SymbolFootprint | Download |
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Supply Chain
Harmonized Tariff Schedule (HTS) Code8542.31.00.15
Introduction Date2009-07-01
Lifecycle StatusEOL (Last Updated: 1 month ago)
LTB Date2026-09-10
LTD Date2027-03-10
Related Parts
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8051 89LP Microcontroller IC 8-Bit 20MHz 24KB (24K x 8) FLASH 44-TQFP (10x10)
Silicon LabC8051F380-GQR
IC MCU 8BIT 64KB FLASH 48TQFP / MCU 8-bit 8051 CISC 64KB Flash 2.5V/3.3V 48-Pin TQFP T/R
Silicon LabC8051F505-IQR
MCU 8-bit C8051F50x 8051 CISC 32KB Flash 2.5V/3.3V/5V 48-Pin PQFP T/R
Silicon LabC8051F501-IQR
MCU 8-bit 8051 CISC 64KB Flash 2.5V/3.3V/5V Automotive 48-Pin PQFP T/R
Descriptions
Descriptions of Silicon Lab C8051F581-IQR provided by its distributors.
MCU 8-Bit C8051F58x 8051 CISC 128KB Flash 2.5V/3.3V/5V 48-Pin QFP T/R
Microcontroller, 8-Bit, FLASH, 8051 CPU, 50MHz, PQFP48
1.8V~5.25V 50MHz 8.25KB FLASH 128KB POR,PWM,Temp Sensor,WDT 40 1.8V EBI,EMI,SMBus (2-Wire,I2C),SPI,UART,USART A/D 32x12b 8bit 8051 48TQFP
MCU Core: 8051; MHz: 50; Flash (kb): 128 kB; RAM (kb): 8; Digital Port I/O: 40; Communications: 2 x UART, SPI, I2C, EMIF; Timers (16-bit): 6; PCA Channels: 12; Debug Interface: C2; Package: 9x9, 48-pin QFP; Dev Kit: C8051F580DK; VREF: true; Automotive: false; Cap Sense: false; Comparators: 3
Manufacturer Aliases
Silicon Lab has several brands around the world that distributors may use as alternate names. Silicon Lab may also be known as the following names:
- Silicon Labs
- SILICON LABORATORIES
- SILICON
- Silicon Laboratories Inc
- SILABS
- SCL
- SLAB
- SILICONLA
- SIL LABS
- SILICON LABO
- SILICON LABORATORIES INC (VA)
- Silicon Labs / Bluegiga
- silicon labories
- SILICON LABS Semiconductor
- Silicon (Taiwan Silicon Core)
- SILICON LABS ISOLATION INC
- Silicone Labs
- SILICON INTEGRATED SYSTEMS CORP
- sil lab
- Silicon Laboratories - Silicon Labs
- SiLabs (Telegesis)
- Sillicon Labs
- SILICON LABORATORIES INTERNATIONAL PTE LTD
- SILICON LABORATORIESSKYWORKS SOLUTIONS INC
- CYGNAL INTEGRATED PRODUCTS INC
- Silicon Labs
Inventory History
3 month trend: -43.95%
CAD Models
Download symbol, footprint, and 3D STEP
Alternate Parts
0 parts available
Technical Specifications
Physical
Case/PackageTQFP
Number of Terminals48
Technical
Core Architecture8051
Data Bus Width8 b
Flash Memory Size128 kB
Frequency50 MHz
Frequency Tolerance0.5 %
Interface2-Wire, EBI/EMI, I2C, SMBus, SPI, UART, USART
Max Frequency25 MHz
Max Operating Temperature125 °C
Max Supply Current33 mA
Max Supply Voltage2.75 V
Memory Size128 kB
Memory TypeFLASH
Min Operating Temperature-40 °C
Min Supply Voltage2 V
Number of Channels12
Number of Digital IO40
Number of I/Os40
Operating Supply Voltage2.1 V
Oscillator TypeInternal
PeripheralsPOR, PWM, Temp Sensor, WDT
RAM Size8 kB
Temperature GradeAutomotive
Dimensions
Length7 mm
Terminal Pitch500 µm
Width7 mm
Datasheets & Documents
Download datasheets and manufacturer documentation for Silicon Lab C8051F581-IQR.