What is the Additional Feature ?

Name: DS1391U-33+
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS1391U-33+
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

Cart ( )

lmages are for reference only See Product Specifications

Analog Devices Inc./Maxim Integrated DS1391U-33+

Part No.:: DS1391U-33+

Manufacturer:: Analog Devices Inc./Maxim Integrated

Package:: 10-TFSOP, 10-MSOP (0.118, 3.00mm Width)

Datasheet:: DS1391U-33+.pdf

Description:: IC RTC CLK/CALENDAR SPI 10-USOP

In Stock:: 2317

Quantity:: Add To Cart

For more detailed including pricing and shipping

: Quick response, quick quotation

: Flash shipment, no worries after sales

: Original channel, guarantee of the authentic products

Please send RFQ , we will respond immediately.

Purchase and inquiry

DS1391U-33+ Specifications

Package/Case:
10-TFSOP, 10-MSOP (0.118, 3.00mm Width)
Packaging:
Tube
Series:
-
ProductStatus:
Active
Type:
Clock/Calendar
Features:
Alarm, Leap Year, Square Wave Output, Trickle-Charger
MemorySize:
-
TimeFormat:
HH:MM:SS:hh (12/24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
SPI
Voltage-Supply:
2.97V ~ 5.5V
Voltage-SupplyBattery:
1.3V ~ 5.5V
Current-Timekeeping(Max):
175µA @ 2.97V ~ 5.5V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

DS1391U-33+ this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including DS1391U-33+ price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for DS1391U-33+ to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

Purchase in icwhale.com

There is no doubt that you may place an order without registering to icwhale.com.

We strongly suggest you sign in our shop before purchasing as you can track your order real-time tracking.

Means of Payment in icwhale.com

For your convenience, we support multiple payment methods in USD, including PayPal, Credit Card, wire transfer. and Alipay.

RFQ (Request for Quotations) in icwhale.com

It is recommended to acquire for quotations to get the latest prices and inventories about the parts.

Our sales will reply to your request by email within 24 hours.

Warm reminder

1. You'll receive an order information email in your email inbox. (Please remember to check the spam folder if you didn't hear from us).

2. Since inventories and prices may fluctuate to some extent, the sales manager is going to reconfirm the order and let you know if there are any updates.

Shipping & Handling

Shipping fee starts at $35, but some countries will exceed $35. For example (South Africa, Brazil, India, Pakistan, Israel, etc.)

The basic freight (for package ≤0.5kg or corresponding volume) depends on the time zone and countries.

Shipping Method

Currently, our products are shipped through DHL, FedEx, SF, UPS and China Post.

Order Tracking for International Orders

Once your order has been shipped, the tracking number will be sent to the email address registered to your account. This information can also be viewed when logged into your account in the "my account" page.

DS1391U-33+ information

Views：

Basic introduction and simple engineering application of DS1391U-33+

DS1391U-33+ is a real-time clock (RTC) module with integrated crystal and battery, providing accurate timekeeping in various electronic applications. It features low-power consumption, a wide operating voltage range, and simple interface options.

Application Scenario:

In electronic projects requiring precise timekeeping, DS1391U-33+ can be utilized to timestamp events, schedule tasks, or synchronize data logging systems.

Circuit Integration:

To incorporate DS1391U-33+ into a project, follow these steps:

1. Connection Setup:

Connect the DS1391U-33+ module to the microcontroller or host system using standard communication interfaces such as I2C or SPI. Ensure proper pull-up resistors are connected to the communication lines.

2. Power Supply:

Provide a stable power supply to the DS1391U-33+ module. The module typically operates within a voltage range of 2.7V to 5.5V, making it compatible with a wide range of microcontroller systems.

3. Initialization:

Initialize the DS1391U-33+ module by configuring the necessary registers for timekeeping mode, setting the time and date if required, and enabling alarm functionalities.

4. Timekeeping:

Utilize the DS1391U-33+ module to keep track of time in the project. Access the current time and date information from the module's registers for timestamping events or scheduling tasks.

5. Alarm Functionality:

Implement alarm functionalities using the DS1391U-33+ module to trigger specific actions or events at predetermined times. Configure alarm registers and interrupt mechanisms as per project requirements.

Experimentation:

To understand the functionality of DS1391U-33+ better, perform the following experiment:

Experiment Title: Real-Time Clock Integration

Objective: Integrate DS1391U-33+ into a microcontroller-based system and demonstrate real-time clock functionality.

Experimental Setup:

- STM32F103C8T6 microcontroller board

- DS1391U-33+ RTC module

- Breadboard and jumper wires

Experimental Procedure:

1. Connect the DS1391U-33+ module to the STM32F103C8T6 microcontroller board using I2C communication. Ensure proper connections to the SDA and SCL pins of the microcontroller.

2. Power both the microcontroller board and the DS1391U-33+ module using a stable power supply.

3. Initialize the DS1391U-33+ module by setting the current time and date using the microcontroller firmware. Verify successful initialization by reading back the time and date registers.

4. Implement a simple firmware program to continuously read the time from the DS1391U-33+ module and display it on an LCD or serial terminal.

5. Test the real-time clock functionality by allowing the system to run for an extended period, observing the accuracy of timekeeping and any drift.

Conclusion:

In this experiment, we successfully integrated the DS1391U-33+ real-time clock module into a microcontroller-based system and demonstrated its timekeeping functionality. The module provided accurate timekeeping with minimal power consumption, making it suitable for various electronic applications requiring precise time synchronization.

DS1391U-33+ FAQ

1. How to order DS1391U-33+ on icwhale.com?

Currently, icwhale.com only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.

2. How does icwhale.com guarantee that DS1391U-33+ is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the DS1391U-33+. All suppliers must pass our qualification reviews before they can publish their products including DS1391U-33+ on icwhale.com; we pay more attention to the channels and quality of DS1391U-33+ products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

3. Are the DS1391U-33+ price and inventory displayed accurate?

The price and inventory of DS1391U-33+ fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

Warm Tips: Some orders in certain payment forms may require handling fee.

5. How is the shipping arranged?

Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.

6. What is the process for return or replacement of DS1391U-33+?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the DS1391U-33+ we delivered, we will accept the replacement or return of the DS1391U-33+ only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of DS1391U-33+.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations