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HomeProductsIntegrated Circuits (ICs)Embedded - MicrocontrollersUPSD3354DV-40U6
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UPSD3354DV-40U6 - STMicroelectronics

Manufacturer Part Number
UPSD3354DV-40U6
Manufacturer
STMicroelectronics
Allelco Part Number
32D-UPSD3354DV-40U6
Warranty
1 Year Allelco Warranty - Find out more
Parts Description
IC MCU 8BIT 288KB FLASH 80LQFP
Package
80-LQFP
Data sheet
1.UPSD3354DV-40U6.pdf ...
RoHs Status
ROHS3 Compliant
Our certification
In stock: 17960

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Specifications

UPSD3354DV-40U6 Tech Specifications
STMicroelectronics - UPSD3354DV-40U6 technical specifications, attributes, parameters and parts with similar specifications to STMicroelectronics - UPSD3354DV-40U6

Product Attribute Attribute Value  
Manufacturer STMicroelectronics  
Voltage - Supply (Vcc/Vdd) 3V ~ 3.6V  
Speed 40MHz  
Series µPSD  
RAM Size 32K x 8  
Program Memory Type FLASH  
Program Memory Size 288KB (288K x 8)  
Peripherals LVD, POR, PWM, WDT  
Package / Case 80-LQFP  
Package Tray  
Product Attribute Attribute Value  
Oscillator Type Internal  
Operating Temperature -40°C ~ 85°C (TA)  
Number of I/O 45  
Mounting Type Surface Mount  
EEPROM Size -  
Data Converters A/D 8x10b  
Core Size 8-Bit  
Core Processor 8032  
Connectivity I²C, IrDA, SPI, UART/USART  
Base Product Number UPSD33  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN 3A991A2
HTSUS 8542.31.0001

Parts Introduction

Manufacturer Part Number

UPSD3354DV-40U6

Manufacturer

STMicroelectronics

Introduction

The UPSD3354DV-40U6 is a highly integrated embedded microcontroller from STMicroelectronics' µPSD series designed for embedded control applications.

Product Features and Performance

80-LQFP Surface Mount Package

8-Bit Core Processor 8032

Operates at a Speed of 40MHz

288KB FLASH Program Memory

32K x 8 RAM Size

8-Channel 10-bit A/D Converter

45 Number of I/O Pins

Connectivity options include I2C, IrDA, SPI, and UART/USART

Peripherals include LVD (Low Voltage Detect), POR (Power On Reset), PWM (Pulse Width Modulation), WDT (Watchdog Timer)

Internal Oscillator Type

Product Advantages

Integrated FLASH and RAM facilitate complex program execution.

Multiple connectivity options support versatile peripheral management.

On-chip A/D converter simplifies analog signal processing.

Comprehensive set of peripherals enhances overall functionality.

Support for wide operating temperature range (-40°C to 85°C).

Key Technical Parameters

Core Size: 8-Bit

Voltage - Supply (Vcc/Vdd): 3V ~ 3.6V

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

Data Converters: A/D 8x10b

Oscillator Type: Internal

Quality and Safety Features

Low Voltage Detection for system protection.

Power On Reset for reliable operation after power failures.

Watchdog Timer for system security and recovery.

Compatibility

Supports various communication protocols.

May interface with other devices within operational voltage and I/O specifications.

Application Areas

Embedded Control Systems

Industrial Automation

Automotive Electronics

Consumer Electronics

Product Lifecycle

Obsolete Status

Potential need to seek replacements or upgrades.

Several Key Reasons to Choose This Product

A robust 8-bit microcontroller for demanding embedded applications.

Ample program and data memory for complex tasks.

Wide range of peripheral support enables comprehensive system control.

Proven manufacturer with a reputation for quality and reliability.

Capable of functioning in varied and extreme operational environments.

Parts with Similar Specifications

The three parts on the right have similar specifications to STMicroelectronics UPSD3354DV-40U6

Product Attribute UPSD3354DV-40U6 AD711KR-REEL7
Part Number UPSD3354DV-40U6 AD711KR-REEL7
Manufacturer STMicroelectronics Analog Devices Inc.
Series µPSD -
Program Memory Size 288KB (288K x 8) -
Mounting Type Surface Mount Surface Mount
Oscillator Type Internal -
Speed 40MHz -
RAM Size 32K x 8 -
Program Memory Type FLASH -
Core Processor 8032 -
EEPROM Size - -
Voltage - Supply (Vcc/Vdd) 3V ~ 3.6V -
Data Converters A/D 8x10b -
Package / Case 80-LQFP 8-SOIC (0.154", 3.90mm Width)
Base Product Number UPSD33 AD711
Package Tray Tape & Reel (TR)
Connectivity I²C, IrDA, SPI, UART/USART -
Peripherals LVD, POR, PWM, WDT -
Operating Temperature -40°C ~ 85°C (TA) 0°C ~ 70°C
Number of I/O 45 -
Core Size 8-Bit -

UPSD3354DV-40U6 Datasheet PDF

Download UPSD3354DV-40U6 pdf datasheets and STMicroelectronics documentation for UPSD3354DV-40U6 - STMicroelectronics.

Datasheets
Cylindrical Battery Holders.pdf

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Customer Reviews

Evaluation: 10 Articles

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

  • Daic***K.
    Mar 23, 2026

    Very good. No issue after long time testing.

  • Kevi***.
    Mar 17, 2026

    Fast switching and stable output. Very satisfied with this IC

  • Daou***hekebkeb
    Jun 16, 2024

    I had a great experience purchasing items from Allelcoelec, I recommend

  • Uri ***al
    Jun 19, 2024

    Good comunication,
    Transpnt regarding the process and price.

  • Yaqu***l Ali
    Jun 19, 2024

    Providing reasonable prices, regular follow-up of orders, providing accurate and regular invoices, timely delivery of goods, excellent customer service and providing original goods and best quality materials.

  • Lea ***
    Jun 19, 2024

    Morrey was very helpful and right on top of things!
    He replied quickly to my RFQ. He was very courteous and professional.

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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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UPSD3354DV-40U6 Image

UPSD3354DV-40U6

STMicroelectronics
32D-UPSD3354DV-40U6

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