CIP-51 8051 Sleepy Bee Microcontroller IC 8-Bit 25MHz 32KB (32K x 8) FLASH 32-QFN (5x5)
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

EFM8SB20F32G-B-QFN32R

DigiKey Part Number
336-4854-2-ND - Tape & Reel (TR)
336-4854-1-ND - Cut Tape (CT)
336-4854-6-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
EFM8SB20F32G-B-QFN32R
Description
IC MCU 8BIT 32KB FLASH 32QFN
Customer Reference
Detailed Description
CIP-51 8051 Sleepy Bee Microcontroller IC 8-Bit 25MHz 32KB (32K x 8) FLASH 32-QFN (5x5)
Datasheet
 Datasheet
Product Attributes
Filter Similar Products
Show Empty Attributes
Category
Program Memory Size
Mfr
Program Memory Type
FLASH
Series
RAM Size
4.25K x 8
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Voltage - Supply (Vcc/Vdd)
1.8V ~ 3.6V
Part Status
Last Time Buy
Data Converters
A/D 23x10b
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
25MHz
Supplier Device Package
32-QFN (5x5)
Connectivity
EBI/EMI, I2C, SMBus, SPI, UART/USART
Package / Case
32-VFQFN Exposed Pad
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Base Product Number
Number of I/O
24
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (1)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
EFM8BB52F32G-C-QFN32RSilicon Labs13 880336-EFM8BB52F32G-C-QFN32RCT-ND3,27000 złMFR Recommended
In-Stock: 1 500
Check for Additional Incoming Stock
Once available stock of this product has been depleted, manufacturer standard package and lead time will apply. View Substitutes or Alternative Package Types
Last Time Buy Date: 1.10.2026
All prices are in PLN
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
17,94000 zł7,94 zł
106,66100 zł66,61 zł
256,17760 zł154,44 zł
1005,52840 zł552,84 zł
2505,17004 zł1 292,51 zł
5005,14274 zł2 571,37 zł
* All Digi-Reel orders will add a 27,00 zł reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
1 5005,14275 zł7 714,13 zł
Manufacturers Standard Package
Unit Price without VAT:7,94000 zł
Unit Price with VAT:9,76620 zł