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Description EFM8UB Universal Bee microcontroller, Silicon Labs Universal Bee microcontroller (MCU) series designed for USB applications. Operates at up to 50 MHz with pipeline type 8-bit C8051 core. Up to 22 functions, 5 V tolerance input/output pins, low-power USB with priority crossover support, used for flexible pin mapping, 12 bit analog-to-digital converter (ADC) and 2 analog comparators, with internal voltage DAC as reference input, 5 16 bit timers integrated with temperature sensors, 2 UART, SPI, SMBus/I2C master/slave, and I2C slave. # # 8051 microcontroller, Silicon Labs
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Packaging QFN-20
Delivery time
Packaging method Tube
Standard packaging quantity 1
9.69  yuan 9.69yuan
10+:
$ 11.6256
100+:
$ 11.0443
500+:
$ 10.6568
1000+:
$ 10.6374
2000+:
$ 10.5599
5000+:
$ 10.4630
7500+:
$ 10.3855
10000+:
$ 10.3468
Quantity
10+
100+
500+
1000+
2000+
Price
$11.6256
$11.0443
$10.6568
$10.6374
$10.5599
Price $ 11.6256 $ 11.0443 $ 10.6568 $ 10.6374 $ 10.5599
Start batch production 10+ 100+ 500+ 1000+ 2000+
  • Freight charges   In stock Freight rate:$13.00
  • Quantity
    Inventory(6916) Minimum order quantity(10)
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Technical parameters/number of pins: 20

Technical parameters/clock frequency: 50.0 MHz

Technical parameters/RAM size: 2.25 KB

Technical parameters/Analog to Digital Conversion (ADC): 1

Technical parameters/input/output numbers: 13 Input

Technical parameters/operating temperature (Max): 85 ℃

Technical parameters/operating temperature (Min): -40 ℃

Technical parameters/power supply voltage (Max): 3.6 V

Technical parameters/power supply voltage (Min): 2.2 V

Encapsulation parameters/installation method: Surface Mount

Package parameters/number of pins: 20

Encapsulation parameters/Encapsulation: QFN-20

External dimensions/length: 3 mm

External dimensions/width: 3 mm

External dimensions/height: 0.55 mm

External dimensions/packaging: QFN-20

Physical parameters/operating temperature: -40℃ ~ 85℃ (TA)

Other/Product Lifecycle: Discontinued at Digi-Key

Other/Packaging Methods: Tube

Compliant with standards/RoHS standards: RoHS Compliant

Compliant with standards/lead standards: Lead Free

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