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Compliance

Part StatusActive

Electrical

Speed50MHzRAM Size2.25K x 8
Core Size8-BitEEPROM Size-
Number of I/O20Data ConvertersA/D 12x12b; D/A 2x12b
Oscillator TypeInternalProgram Memory Size32KB (32K x 8)
Program Memory TypeFLASHVoltage - Supply (Vcc/Vdd)2.2V ~ 3.6V

Mechanical

PackagingTubeMounting TypeSurface Mount
Package / Case24-VFQFN Exposed PadSupplier Device Package24-QFN (3x3)

Product Info

MfrSilicon LabsSeriesBusy Bee
PeripheralsBrown-out Detect/Reset, POR, PWM, WDTConnectivityI2C, SMBus, SPI, UART/USART
Core ProcessorCIP-51 8051Base Product NumberEFM8BB31
DigiKey ProgrammableNot Verified

Environmental

Operating Temperature-40°C ~ 85°C (TA)

Documents & Media

PDF Document
PDF Document
PDF Document

Sourcing & traceability

Datasheet
Datasheets

Lot-level traceability (date code, original factory packaging) is confirmed on every quote and shipment.