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Model EFM8BB31F64I-B-QFN24
Description EFM8BB Busy Bee The Silicon Labs EFM8 Busy Bee 8-bit microcontroller (MCU) device is designed for various general-purpose applications. They can operate at up to 50MHz and have a pipeline type 8-bit C8051 core. Up to 22 multifunctional,+5V tolerance input/output pin priority crossings are used for flexible pin mapping of 12 bit analog-to-digital converters (ADCs), with up to 20 channels and up to five 16 bit timers integrated temperature sensors UART, SPI, and SMBus/I ² C serial communication # # # EFM8 Bee microcontroller. The EFM8 8-bit microcontroller series has an unparalleled combination of features and capabilities, including high-speed pipeline 8051 cores, ultra-low power consumption, precision analog and enhanced communication peripherals, integrated oscillators, small footprint packaging, and crossover architecture, enabling flexible digital and analog multiplexing to simplify printed circuit board design and input/output signal routing. These next-generation 8-bit devices are aimed at engineers developing products for the Internet of Things (IoT) that are very small, perform complex processing, and run on tiny batteries.
Product QR code
Brand: Silicon Labs
Packaging QFN-24
Delivery time
Packaging method Each
Standard packaging quantity 1
9.04  yuan 9.04yuan
10+:
$ 10.8420
100+:
$ 10.2999
500+:
$ 9.9385
1000+:
$ 9.9204
2000+:
$ 9.8482
5000+:
$ 9.7578
7500+:
$ 9.6855
10000+:
$ 9.6494
Quantity
10+
100+
500+
1000+
2000+
Price
$10.8420
$10.2999
$9.9385
$9.9204
$9.8482
Price $ 10.8420 $ 10.2999 $ 9.9385 $ 9.9204 $ 9.8482
Start batch production 10+ 100+ 500+ 1000+ 2000+
Check the distribution price
  • Freight charges：   In stock Freight rate：$13.00
  • Quantity： Inventory(1949) Minimum order quantity(10)
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Technical parameters/frequency: 50 MHz

Technical parameters/clock frequency: 50.0 MHz

Technical parameters/RAM size: 4.25 KB

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

Technical parameters/operating temperature (Max): 125 ℃

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

Technical parameters/Digital to Analog Conversion (DAC): 4

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: 24

Encapsulation parameters/Encapsulation: QFN-24

External dimensions/length: 3 mm

External dimensions/width: 3 mm

External dimensions/height: 0.85 mm

External dimensions/packaging: QFN-24

Physical parameters/operating temperature: -40℃ ~ 125℃ (TA)

Other/Product Lifecycle: Obsolete

Other/Packaging Methods: Each

Other/Manufacturing Applications: Sensing & Instrumentation, Industrial, Consumer Electronics, Automation & Process Control, Embedded Design & Development

Compliant with standards/RoHS standards: RoHS Compliant

Compliant with standards/lead standards: lead-free

Compliant with standard/REACH SVHC version: 2015/12/17

Customs information/ECCN code: 3A991.a.2

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