CIP-51 8051 Busy Bee Microcontroller IC 8-Bit 50MHz 16KB (16K x 8) FLASH 32-QFN (4x4)
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EFM8BB31F16G-D-QFN32R

DigiKey Part Number
336-EFM8BB31F16G-D-QFN32RTR-ND - Tape & Reel (TR)
336-EFM8BB31F16G-D-QFN32RCT-ND - Cut Tape (CT)
336-EFM8BB31F16G-D-QFN32RDKR-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
EFM8BB31F16G-D-QFN32R
Description
IC MCU 8BIT 16KB FLASH 32QFN
Manufacturer Standard Lead Time
12 Weeks
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
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Category
Program Memory Size
Mfr
Program Memory Type
FLASH
Series
RAM Size
2.25K x 8
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Voltage - Supply (Vcc/Vdd)
2.2V ~ 3.6V
Part Status
Active
Data Converters
A/D 20x12b; D/A 2x12b
DigiKey Programmable
Not Verified
Oscillator Type
Internal
Core Processor
CIP-51 8051
Operating Temperature
-40°C ~ 85°C (TA)
Core Size
8-Bit
Mounting Type
Surface Mount
Speed
50MHz
Supplier Device Package
32-QFN (4x4)
Connectivity
I2C, SMBus, SPI, UART/USART
Package / Case
32-UFQFN Exposed Pad
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Base Product Number
Number of I/O
29
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
In-Stock: 0
2,500 estimated in stock on 21-Dec-2026
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All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$1.54000$1.54
10$1.30000$13.00
25$1.20600$30.15
100$1.07710$107.71
250$1.00452$251.13
500$0.95700$478.50
1,000$0.91582$915.82
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
2,500$0.87051$2,176.28
5,000$0.84248$4,212.40
7,500$0.82830$6,212.25
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