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HomeProductsIntegrated Circuits (ICs)Embedded - MicrocontrollersEFM8UB20F64G-B-QFP48R
EFM8UB20F64G-B-QFP48R Image
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EFM8UB20F64G-B-QFP48R - Silicon Labs

Manufacturer Part Number
EFM8UB20F64G-B-QFP48R
Manufacturer
Energy Micro (Silicon Labs)
Allelco Part Number
32D-EFM8UB20F64G-B-QFP48R
ECAD Model
Parts Description
IC MCU 8BIT 64KB FLASH 48TQFP
Detailed Description
Package
48-TQFP
Data sheet
Cylindrical Battery Holders.pdf
RoHs Status
RoHS Compliant
Our certification
In stock: 15437
  • Unit Price: $4.63
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $4.63 $4.63
10+ $4.163 $41.63
25+ $3.935 $98.38
100+ $3.411 $341.10
250+ $3.236 $809.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.
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Specifications

EFM8UB20F64G-B-QFP48R Tech Specifications
Silicon Labs - EFM8UB20F64G-B-QFP48R technical specifications, attributes, parameters and parts with similar specifications to Silicon Labs - EFM8UB20F64G-B-QFP48R

Product Attribute Attribute Value  
Manufacturer Energy Micro (Silicon Labs)  
Voltage - Supply (Vcc/Vdd) 2.65V ~ 3.6V  
Supplier Device Package 48-TQFP (7x7)  
Speed 48MHz  
Series Universal Bee  
RAM Size 4.25K x 8  
Program Memory Type FLASH  
Program Memory Size 64KB (64K x 8)  
Peripherals Brown-out Detect/Reset, POR, PWM, WDT  
Package / Case 48-TQFP  
Package Tape & Reel (TR)  
Product Attribute Attribute Value  
Oscillator Type Internal  
Operating Temperature -40°C ~ 85°C (TA)  
Number of I/O 40  
Mounting Type Surface Mount  
EEPROM Size -  
Data Converters A/D 32x10b  
Core Size 8-Bit  
Core Processor CIP-51 8051  
Connectivity EBI/EMI, I²C, SMBus, SPI, UART/USART, USB  
Base Product Number EFM8UB20  

Parts Introduction

Manufacturer Part Number

EFM8UB20F64G-B-QFP48R

Manufacturer

Silicon Labs

Introduction

EFM8UB20F64G-B-QFP48R is a versatile embedded microcontroller from Silicon Labs' Universal Bee series adept at managing a variety of tasks for complex embedded systems.

Product Features and Performance

8-Bit CIP-51 8051 Core Processor

Speed reaching up to 48MHz

Multiple connectivity options via EBI/EMI, I2C, SMBus, SPI, UART/USART, USB

Built-in peripherals for enhanced functionality

40 accessible I/O lines for extensive interfacing

64KB FLASH Program Memory

25K x 8 RAM Size

Internal oscillator for reliable timing

Product Advantages

Robust design capable of operating in extreme temperatures from -40°C to 85°C

Typically available in Tape & Reel (TR) for automated assembly processes

Surface Mount 48-TQFP (7x7) package ideal for compact designs

High integration level reduces external component requirement

Key Technical Parameters

Core Size: 8-Bit

Program Memory Size: 64KB (64K x 8)

Program Memory Type: FLASH

Voltage - Supply (Vcc/Vdd): 2.65V ~ 3.6V

Data Converters: A/D 32x10b

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

Supplier Device Package: 48-TQFP (7x7)

Package / Case: 48-TQFP

Quality and Safety Features

Brown-out Detect/Reset

Power-on Reset (POR)

Watchdog Timer (WDT)

Compatibility

Compatible with a wide range of serial devices due to its comprehensive connectivity features

Application Areas

Automotive systems

Industrial automation

Home automation

Consumer electronics

Product Lifecycle

Active status with no indication of nearing discontinuation

Replacements or upgrades should remain available for the foreseeable future

Key Reasons to Choose This Product

Ideal for applications requiring a versatile and high-performance 8-bit microcontroller

Support for a comprehensive set of communication interfaces provides versatility in system design

Internal data converters and ample program memory accommodate complex tasks without additional components

Suitable for automated mass production with Tape & Reel packaging

Proven to work reliably in challenging environmental conditions

Parts with Similar Specifications

The three parts on the right have similar specifications to Silicon Labs EFM8UB20F64G-B-QFP48R

Product Attribute EFM8UB20F64G-B-QFP48R EFM8UB20F32G-B-QFP32 EFM8UB20F32G-B-QFN32 EFM8UB20F64G-B-QFP48
Part Number EFM8UB20F64G-B-QFP48R EFM8UB20F32G-B-QFP32 EFM8UB20F32G-B-QFN32 EFM8UB20F64G-B-QFP48
Manufacturer Silicon Labs Silicon Labs Silicon Labs Silicon Labs
Voltage - Supply (Vcc/Vdd) 2.65V ~ 3.6V 2.65V ~ 3.6V 2.65V ~ 3.6V 2.65V ~ 3.6V
Base Product Number EFM8UB20 EFM8UB20 EFM8UB20 EFM8UB20
Package / Case 48-TQFP 32-LQFP 32-VFQFN Exposed Pad 48-TQFP
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA)
Package Tape & Reel (TR) Tray Tube Tray
Core Processor CIP-51 8051 CIP-51 8051 CIP-51 8051 CIP-51 8051
Number of I/O 40 25 25 40
RAM Size 4.25K x 8 2.25K x 8 2.25K x 8 4.25K x 8
Program Memory Type FLASH FLASH FLASH FLASH
Data Converters A/D 32x10b A/D 20x10b A/D 20x10b A/D 32x10b
Oscillator Type Internal Internal Internal Internal
Connectivity EBI/EMI, I²C, SMBus, SPI, UART/USART, USB I²C, SMBus, SPI, UART/USART, USB I²C, SMBus, SPI, UART/USART, USB EBI/EMI, I²C, SMBus, SPI, UART/USART, USB
Supplier Device Package 48-TQFP (7x7) 32-QFP (7x7) 32-QFN (5x5) 48-TQFP (7x7)
Program Memory Size 64KB (64K x 8) 32KB (32K x 8) 32KB (32K x 8) 64KB (64K x 8)
Series Universal Bee Universal Bee Universal Bee Universal Bee
Peripherals Brown-out Detect/Reset, POR, PWM, WDT Brown-out Detect/Reset, POR, PWM, WDT Brown-out Detect/Reset, POR, PWM, WDT Brown-out Detect/Reset, POR, PWM, WDT
EEPROM Size - - - -
Core Size 8-Bit 8-Bit 8-Bit 8-Bit
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Speed 48MHz 48MHz 48MHz 48MHz

EFM8UB20F64G-B-QFP48R Datasheet PDF

Download EFM8UB20F64G-B-QFP48R pdf datasheets and Silicon Labs documentation for EFM8UB20F64G-B-QFP48R - Silicon Labs.

Datasheets
Cylindrical Battery Holders.pdf
PCN Packaging
Labeling Change 14/Dec/2021.pdf Mult Dev Label Chgs 20/Oct/2021.pdf
PCN Assembly/Origin
2.73KHz.pdf

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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EFM8UB20F64G-B-QFP48R Image

EFM8UB20F64G-B-QFP48R

Silicon Labs
32D-EFM8UB20F64G-B-QFP48R

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