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HomeProductsIntegrated Circuits (ICs)Clock/Timing - Real Time ClocksDS1391U-33+T&R
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DS1391U-33+T&R - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number
DS1391U-33+T&R
Manufacturer
Maxim Integrated
Allelco Part Number
32D-DS1391U-33+T&R
ECAD Model
Parts Description
IC RTC CLK/CALENDAR SPI 10UMAX
Detailed Description
Package
10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Data sheet
DS1390 - 94.pdf
RoHs Status
ROHS3 Compliant
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In stock: 14230

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Specifications

DS1391U-33+T&R Tech Specifications
Analog Devices Inc./Maxim Integrated - DS1391U-33+T&R technical specifications, attributes, parameters and parts with similar specifications to Analog Devices Inc./Maxim Integrated - DS1391U-33+T&R

Product Attribute Attribute Value  
Manufacturer Maxim Integrated  
Voltage - Supply, Battery 1.3V ~ 5.5V  
Voltage - Supply 2.97V ~ 5.5V  
Type Clock/Calendar  
Time Format HH:MM:SS:hh (12/24 hr)  
Supplier Device Package 10-uMAX/uSOP  
Series -  
Package / Case 10-TFSOP, 10-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 -  
Interface SPI  
Features Alarm, Leap Year, Square Wave Output, Trickle-Charger  
Date Format YY-MM-DD-dd  
Current - Timekeeping (Max) 175µA @ 2.97V ~ 5.5V  
Base Product Number DS1391  

Parts Introduction

Manufacturer Part Number

DS1391U-33+T&R

Manufacturer

Analog Devices

Introduction

Real-time clock component for embedded systems

Product Features and Performance

Clock/Calendar functionality

Alarm feature

Leap Year compatibility

Square Wave Output

Trickle-Charger for battery backup

SPI Interface for communication

Product Advantages

Supports wide voltage range for versatility

Low timekeeping current maximizes battery life

Extended operating temperature range for harsh environments

Key Technical Parameters

Supply Voltage 2.97V to 5.5V

Battery Voltage 1.3V to 5.5V

Timekeeping current max 175µA at 2.97V to 5.5V

Time Format HH:MM:SS:hh (12/24 hr)

Date Format YY-MM-DD-dd

Quality and Safety Features

Reliable performance in extreme temperatures from -40°C to 85°C

Designed for surface mount technology

Compatibility

SPI interface compatible with a multitude of microcontrollers

Application Areas

Embedded systems

Consumer electronics

Industrial applications

Communication infrastructure

Product Lifecycle

Active status, not near discontinuation

Consult manufacturer for potential future replacements or upgrades

Several Key Reasons to Choose This Product

Accuracy and reliability of timekeeping

Minimal power consumption ideal for battery-dependent applications

Wide operating voltage range for system flexibility

Robustness in harsh thermal environments

Easy integration with standard communication protocol (SPI)

Convenience of tape and reel packaging for automated assembly processes

Parts with Similar Specifications

The three parts on the right have similar specifications to Analog Devices Inc./Maxim Integrated DS1391U-33+T&R

Product Attribute DS1391U-33+T&R DS1390U-33+T&R DS1391U-33+ DS1390U-33+
Part Number DS1391U-33+T&R DS1390U-33+T&R DS1391U-33+ DS1390U-33+
Manufacturer Analog Devices Inc./Maxim Integrated Analog Devices Inc./Maxim Integrated Analog Devices Inc./Maxim Integrated Analog Devices Inc./Maxim Integrated
Base Product Number DS1391 DS1390 DS1391 DS1390
Voltage - Supply 2.97V ~ 5.5V 2.97V ~ 5.5V 2.97V ~ 5.5V 2.97V ~ 5.5V
Supplier Device Package 10-uMAX/uSOP 10-uMAX/uSOP 10-uMAX/uSOP 10-uMAX/uSOP
Interface SPI SPI SPI SPI
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C
Current - Timekeeping (Max) 175µA @ 2.97V ~ 5.5V 175µA @ 2.97V ~ 5.5V 175µA @ 2.97V ~ 5.5V 175µA @ 2.97V ~ 5.5V
Series - - - -
Package / Case 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) 10-TFSOP, 10-MSOP (0.118', 3.00mm Width) 10-TFSOP, 10-MSOP (0.118', 3.00mm Width)
Voltage - Supply, Battery 1.3V ~ 5.5V 1.3V ~ 5.5V 1.3V ~ 5.5V 1.3V ~ 5.5V
Package Tape & Reel (TR) Tape & Reel (TR) Tube Tube
Date Format YY-MM-DD-dd YY-MM-DD-dd YY-MM-DD-dd YY-MM-DD-dd
Type Clock/Calendar Clock/Calendar Clock/Calendar Clock/Calendar
Features Alarm, Leap Year, Square Wave Output, Trickle-Charger Alarm, Leap Year, Square Wave Output, Trickle-Charger Alarm, Leap Year, Square Wave Output, Trickle-Charger Alarm, Leap Year, Square Wave Output, Trickle-Charger
Memory Size - - - -
Time Format HH:MM:SS:hh (12/24 hr) HH:MM:SS:hh (12/24 hr) HH:MM:SS:hh (12/24 hr) HH:MM:SS:hh (12/24 hr)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount

DS1391U-33+T&R Datasheet PDF

Download DS1391U-33+T&R pdf datasheets and Analog Devices Inc./Maxim Integrated documentation for DS1391U-33+T&R - Analog Devices Inc./Maxim Integrated.

Datasheets
DS1390 - 94.pdf
Environmental Information
Maxim Integrated RoHS Cert.pdf Red Phosphorous Certificate.pdf Material Declaration DS1391U-33+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 Estimating Super Capacitor Backup Time on Trickle-.pdf
Other Related Documents
Tips for Writing Bulletproof Real-Time Clock Contr.pdf

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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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DS1391U-33+T&R Image

DS1391U-33+T&R

Analog Devices Inc./Maxim Integrated
32D-DS1391U-33+T&R

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