EFM8BB31F16G-C-QFN32 is available for purchase but is not normally stocked.
Available Substitutes:

Direct

EFM8BB31F16G-D-QFN32
Silicon Labs
In Stock: 268
Unit Price: $12.68000
Datasheet
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EFM8LB10F16E-C-QFN32R
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EFM8BB31F16G-C-QFN32

DigiKey Part Number
EFM8BB31F16G-C-QFN32-ND
Manufacturer
Silicon Labs
Manufacturer Product Number
EFM8BB31F16G-C-QFN32
Description
IC MCU 8BIT 16KB FLASH 32QFN
Customer Reference
Detailed Description
CIP-51 8051 Busy Bee Microcontroller IC 8-Bit 50MHz 16KB (16K x 8) FLASH 32-QFN (4x4)
Datasheet
 Datasheet
Product Attributes
Type
Description
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Category
Mfr
Silicon Labs
Series
Busy Bee
Packaging
Tray
Part Status
Not For New Designs
DigiKey Programmable
Not Verified
Core Processor
CIP-51 8051
Core Size
8-Bit
Speed
50MHz
Connectivity
I2C, SMBus, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O
29
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
EEPROM Size
-
RAM Size
2.25K x 8
Voltage - Supply (Vcc/Vdd)
2.2V ~ 3.6V
Data Converters
A/D 20x10/12b SAR; D/A 2x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C (TA)
Mounting Type
Surface Mount
Supplier Device Package
32-QFN (4x4)
Package / Case
32-UFQFN Exposed Pad
Base Product Number
EFM8BB31
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Available To Order
Not recommended for new design, minimums may apply View Substitutes or Alternative Package Types
Quantity
All prices are in HKD
Tray
QuantityUnit PriceExt Price
2,450$6.17340$15,124.83
Note: Due to DigiKey value-add services the packaging type may change when product is purchased at quantities beneath the standard package.