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HomeProductsIntegrated Circuits (ICs)Clock/Timing - Real Time ClocksDS1338U-3+T&R
DS1338U-3+T&R Image
Image may be representation.
See specifications for product details.

DS1338U-3+T&R - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number
DS1338U-3+T&R
Manufacturer
Maxim Integrated
Allelco Part Number
32D-DS1338U-3+T&R
ECAD Model
Parts Description
IC RTC CLOCK/CALENDAR I2C 8UMAX
Detailed Description
Package
8-TSSOP, 8-MSOP (0.118', 3.00mm Width)
Data sheet
DS1338.pdf
RoHs Status
ROHS3 Compliant
In stock: 18064

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Specifications

DS1338U-3+T&R Tech Specifications
Analog Devices Inc./Maxim Integrated - DS1338U-3+T&R technical specifications, attributes, parameters and parts with similar specifications to Analog Devices Inc./Maxim Integrated - DS1338U-3+T&R

Product Attribute Attribute Value  
Manufacturer Maxim Integrated  
Voltage - Supply, Battery 1.3V ~ 3.7V  
Voltage - Supply 2.7V ~ 5.5V  
Type Clock/Calendar  
Time Format HH:MM:SS (12/24 hr)  
Supplier Device Package 8-uMAX/uSOP  
Series -  
Package / Case 8-TSSOP, 8-MSOP (0.118', 3.00mm Width)  
Package Tape & Reel (TR)  
Product Attribute Attribute Value  
Operating Temperature -40°C ~ 85°C  
Mounting Type Surface Mount  
Memory Size 56B  
Interface I²C, 2-Wire Serial  
Features Leap Year, NVSRAM, Square Wave Output  
Date Format YY-MM-DD-dd  
Current - Timekeeping (Max) 200µA @ 3.3V  
Base Product Number DS1338  

Parts Introduction

Manufacturer Part Number

DS1338U-3+T&R

Manufacturer

analog-devices

Introduction

The DS1338U-3+T&R is a feature-rich real-time clock from Analog Devices, designed for accurate timekeeping, low power consumption, and enhanced system reliability.

Product Features and Performance

Clock/Calendar functionality

Support for Leap Year adjustments

Incorporates NVSRAM for non-volatile storage

Square Wave Output for various applications

Memory Size of 56 Bytes for data storage

Supports both 12-hour and 24-hour time format

Date format is YY-MM-DD-dd for easy integration

I2C, 2-Wire Serial Interface for convenient communication

Operates on a voltage supply range of 2.7V ~ 5.5V

Battery voltage support ranges from 1.3V to 3.7V

Low current timekeeping at maximum 200µA @ 3.3V

Product Advantages

Enhanced power efficiency for longer battery life

Reliable timekeeping, including during leap years

Simplified connectivity with I2C interface

Ample storage for timekeeping functions

Robust operation across a wide temperature range

Key Technical Parameters

Voltage - Supply: 2.7V ~ 5.5V

Voltage - Supply, Battery: 1.3V ~ 3.7V

Current - Timekeeping (Max): 200µA @ 3.3V

Operating Temperature: -40°C to 85°C

8-TSSOP, 8-MSOP package for compact design

Quality and Safety Features

Built to operate reliably in extreme temperatures

Low power consumption for enhanced device safety

Surface Mount technology for secure mounting

Compatibility

Compatible with a wide range of microcontrollers via I2C

Versatile for integration with various electronic systems

Application Areas

Embedded systems

Consumer electronics

Industrial timing devices

Portable medical devices

Product Lifecycle

Active product status, ensuring ongoing production and support

No indication of nearing discontinuation, with upgrades and replacements available

Several Key Reasons to Choose This Product

High accuracy timekeeping enhances system reliability

Low power consumption for efficient battery use

Flexible interface options ensure easy integration

Broad operating temperature range for diverse applications

Continuous product support and availability

Parts with Similar Specifications

The three parts on the right have similar specifications to Analog Devices Inc./Maxim Integrated DS1338U-3+T&R

Product Attribute DS1338U-3+T&R DS1338U-18+T&R DS1338C-33 DS1338U-33+
Part Number DS1338U-3+T&R DS1338U-18+T&R DS1338C-33 DS1338U-33+
Manufacturer Analog Devices Inc./Maxim Integrated Analog Devices Inc./Maxim Integrated Analog Devices Inc./Maxim Integrated Analog Devices Inc./Maxim Integrated
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C (TA) -40°C ~ 85°C
Series - - - -
Base Product Number DS1338 DS1338 - DS1338
Package / Case 8-TSSOP, 8-MSOP (0.118', 3.00mm Width) 8-TSSOP, 8-MSOP (0.118', 3.00mm Width) 16-SOIC (0.295", 7.50mm Width) 8-TSSOP, 8-MSOP (0.118', 3.00mm Width)
Date Format YY-MM-DD-dd YY-MM-DD-dd YY-MM-DD-dd YY-MM-DD-dd
Current - Timekeeping (Max) 200µA @ 3.3V 100µA @ 1.89V 125µA ~ 200µA @ 3.63V ~ 5.5V 125µA ~ 200µA @ 3.63V ~ 5.5V
Voltage - Supply 2.7V ~ 5.5V 1.71V ~ 5.5V 3V ~ 5.5V 3V ~ 5.5V
Supplier Device Package 8-uMAX/uSOP 8-uMAX/uSOP 16-SOIC 8-uMAX/uSOP
Memory Size 56B 56B 56B 56B
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Time Format HH:MM:SS (12/24 hr) HH:MM:SS (12/24 hr) HH:MM:SS (12/24 hr) HH:MM:SS (12/24 hr)
Type Clock/Calendar Clock/Calendar Clock/Calendar Clock/Calendar
Interface I²C, 2-Wire Serial I²C, 2-Wire Serial I²C I²C, 2-Wire Serial
Voltage - Supply, Battery 1.3V ~ 3.7V 1.3V ~ 3.7V 1.3V ~ 3.7V 1.3V ~ 3.7V
Package Tape & Reel (TR) Tape & Reel (TR) Bulk Tube
Features Leap Year, NVSRAM, Square Wave Output Leap Year, NVSRAM, Square Wave Output Leap Year, NVSRAM, Square Wave Output Leap Year, NVSRAM, Square Wave Output

DS1338U-3+T&R Datasheet PDF

Download DS1338U-3+T&R pdf datasheets and Analog Devices Inc./Maxim Integrated documentation for DS1338U-3+T&R - Analog Devices Inc./Maxim Integrated.

Datasheets
DS1338.pdf
Environmental Information
Maxim Integrated RoHS Cert.pdf Material Declaration DS1338U-3+T&R.pdf
Application Notes
Oscillator Design Considerations for Low-Current A.pdf Selecting a Backup Source for Real-Time Clocks.pdf State Machine Logic in Binary-Coded Decimal (BCD)-.pdf FAQ About the Integrated-Crystal Package Option.pdf
Other Related Documents
Tips for Writing Bulletproof Real-Time Clock Contr.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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DS1338U-3+T&R Image

DS1338U-3+T&R

Analog Devices Inc./Maxim Integrated
32D-DS1338U-3+T&R

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