What is the Additional Feature ?

Name: DS1742-70+
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS1742-70+
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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

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Analog Devices Inc./Maxim Integrated DS1742-70+

Part No.:: DS1742-70+

Manufacturer:: Analog Devices Inc./Maxim Integrated

Package:: 24-DIP Module (0.600, 15.24mm)

Datasheet:: DS1742-70+.pdf

Description:: IC RTC CLK/CALENDAR PAR 24-EDIP

In Stock:: 2988

Quantity:: Add To Cart

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DS1742-70+ Specifications

Package/Case:
24-DIP Module (0.600, 15.24mm)
Packaging:
Tube,Tube
Series:
-
ProductStatus:
Obsolete
Type:
Clock/Calendar
Features:
Leap Year, NVSRAM, Y2K
MemorySize:
2KB
TimeFormat:
HH:MM:SS (24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
Parallel
Voltage-Supply:
4.5V ~ 5.5V
Voltage-SupplyBattery:
-
Current-Timekeeping(Max):
3mA @ 5V
OperatingTemperature:
0°C ~ 70°C
MountingType:
Through Hole

DS1742-70+ this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including DS1742-70+ 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 DS1742-70+ to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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DS1742-70+ information

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Basic introduction and simple engineering application of DS1742-70+

DS1742-70+ is a non-volatile static RAM (NVSRAM) integrated circuit that combines a full-featured, battery-backed, real-time clock (RTC) with a non-volatile memory and an integrated lithium energy source. This device offers a complete clock/calendar function with alarm and programmable square-wave output, plus 2K x 8 of NVSRAM.

Application Scenario:

In electronic projects requiring data logging and real-time clock functionalities, DS1742-70+ can be utilized to store critical information and keep track of time accurately.

Circuit Design:

To implement a basic data logging system using DS1742-70+, follow these steps:

1. Power Supply Connection:

Connect the power supply to the VCC and VBAT pins of DS1742-70+. Ensure proper decoupling capacitors are connected across the power supply pins to filter out noise and ensure stable operation.

2. Data Logging Interface:

Connect the data lines of DS1742-70+ to the microcontroller's data bus. These lines include data input/output (DQ0-DQ7) and the address lines (A0-A10) for accessing the NVSRAM.

3. Real-Time Clock Configuration:

Configure the clock/calendar settings of DS1742-70+ using the control registers. Set the current time, date, and alarm if required. Utilize the square-wave output pin (SQW) to generate periodic interrupts for timekeeping.

4. Data Logging Operation:

Write data to the NVSRAM of DS1742-70+ using the microcontroller. Implement read and write routines to access specific memory locations for storing and retrieving data. Ensure proper error checking and handling mechanisms are in place to maintain data integrity.

5. User Interface:

Integrate a user interface, such as an LCD display or LED indicators, to display the current time, date, and alarm status. Utilize GPIO pins of the microcontroller to interface with the display components and configure them accordingly.

Considerations:

When designing the system, consider the following aspects:

- Battery Backup: Ensure the lithium battery connected to DS1742-70+ is replaced periodically to prevent data loss during power failures.

- Data Retention: Verify the data retention period of DS1742-70+ under specified operating conditions to ensure data integrity over time.

- Microcontroller Compatibility: Choose a microcontroller with compatible interface specifications to interface with DS1742-70+ seamlessly.

- Error Handling: Implement error detection and correction mechanisms to handle data corruption or communication errors effectively.

- Environmental Considerations: Ensure the operating environment meets the recommended temperature and humidity conditions for optimal performance of DS1742-70+.

DS1742-70+ FAQ

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6. What is the process for return or replacement of DS1742-70+?

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 DS1742-70+ we delivered, we will accept the replacement or return of the DS1742-70+ 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 DS1742-70+.

(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