End Of Life: The End of Life (EOL) and Last Time Buy (LTB) has been announced for this part. In its place we recommend:
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C8051F581-AM

C8051F58x Automotive & Industrial MCUs

The C8051F581-AM is a highly integrated automotive and industrial microcontroller (MCU) that is auto-grade qualified and tested to AEC-Q100 specification with enhanced temperature operation of up to 125 ºC. The C8051F581-AM features a powerful 8051 core with 50 MHz performance along with 128 kB Flash, 8 kB RAM. This MCU also offers integrated communication interfaces and a 12-bit, 32-ch., 200 ksps ADC and 3 comparators in a 7x7 mm, QFN48. With enhanced communication peripherals and robust peripheral set, the C8051F581-AM is ideal for motor control, sensor interface, parking assistance, seat position and adjustment, fluid level monitoring and other automotive/industrial applications.

 

Key Specs

 
MCU Core
8051
Core Frequency
50
Flash
128
RAM
8
CAN
0
EMIF
1
I2C
1
LIN
0
SPI
1
UART
2
Dig I/O Pins
40
ADC
12-bit, 32-ch., 200 ksps
DAC
Comparators
3
PCA/PWM Channel
12
Timers (16-bit)
6
Package Type
QFN48
Package Size (mm)
7x7
MCU Core
8051
Core Frequency
50
Flash
128
RAM
8
CAN
0
EMIF
1
I2C
1
LIN
0
SPI
1
UART
2
Dig I/O Pins
40
ADC
12-bit, 32-ch., 200 ksps
DAC
Comparators
3
PCA/PWM Channel
12
Timers (16-bit)
6
Package Type
QFN48
Package Size (mm)
7x7
C8051F58x-59x-BD.png

Quality Assurance, Environmental and Packaging Information

Silicon Labs targets a minimum of a 10-year lifecycle for all of its standard products and expects to produce the C8051F581-AM until at least September 2025.

The longevity date shown above is for the preferred revision of this part number, for a complete list of part number revisions, use the search button below.

As part of its ongoing commitment to supply continuity, Silicon Labs may provide pin-compatible and functionally equivalent replacement products if Silicon Labs determines, at its discretion, that supply chain adjustments, product improvements, market conditions, or similar business or technical issues make this necessary or advisable.

If for business, technical or other reasons beyond Silicon Labs’ reasonable control, Silicon Labs finds that it is necessary to discontinue a product, our policy is to issue an EOL notice that provides 6 months from notice to place final orders and 12 months from notice for final shipments. This policy complies with the JEDEC standard EIA/JESD48 that is commonly used in the semiconductor industry. We provide the required support for a product for its full life cycle.

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