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C8051F351

C8051F35x Analog-Intensive MCUs

The C8051F351 is a highly integrated mixed-signal 8-bit microcontroller (MCU) featuring a powerful 8051 core with 50 MHz performance. This analog-intensive MCU features a 24-bit, 8-ch., 1 ksps ADC, 8-bit, 2-ch. DAC, 1 comparators, and an on-chip temperature sensor. The C8051F351 also offers 8 kB Flash, 0.75 kB RAM along wtih additional communication interfaces and 4 x 16-bit timers in a 5x5 mm, QFN28. With on-chip POR, VDD monitor, Watchdog timer, a ±2 internal oscillator, and high analog integration, the C8051F351 MCU is a truly stand-alone system-on-chip solution, making it ideal for applications such as portable medical equipment, weigh scales, test equipment, and fiber optic systems among others.

 

Key Specs

 
MCU Core
8051
MHz
50
Flash (kB)
8
RAM (kB)
0.75
I2C
1
SPI
1
UART
1
Dig I/O Pins
17
ADC
24-bit, 8-ch., 1 ksps
DAC
8-bit, 2-ch.
Comparators
1
PCA Channels
3
Timers
4
Package Type
QFN28
Package Size (mm)
5x5
MCU Core
8051
MHz
50
Flash (kB)
8
RAM (kB)
0.75
I2C
1
SPI
1
UART
1
Dig I/O Pins
17
ADC
24-bit, 8-ch., 1 ksps
DAC
8-bit, 2-ch.
Comparators
1
PCA Channels
3
Timers
4
Package Type
QFN28
Package Size (mm)
5x5
C8051F35x-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 C8051F351 until at least March 2027.

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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