What is the Additional Feature ?

Name: DS1557P-70IND
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS1557P-70IND
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 DS1557P-70IND

Part No.:: DS1557P-70IND

Manufacturer:: Analog Devices Inc./Maxim Integrated

Package:: 34-PowerCap™ Module

Datasheet:: DS1557P-70IND.pdf

Description:: IC RTC CLK/CALENDAR PAR 34-PCM

In Stock:: 2258

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

DS1557P-70IND Specifications

Package/Case:
34-PowerCap™ Module
Packaging:
Tube,Tube
Series:
-
ProductStatus:
Obsolete
Type:
Clock/Calendar
Features:
Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K
MemorySize:
512KB
TimeFormat:
HH:MM:SS (24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
Parallel
Voltage-Supply:
4.5V ~ 5.5V
Voltage-SupplyBattery:
3V
Current-Timekeeping(Max):
6mA @ 5V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

DS1557P-70IND this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including DS1557P-70IND 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 DS1557P-70IND 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.

DS1557P-70IND information

Views：

Basic introduction and simple engineering application of DS1557P-70IND

DS1557P-70IND is a real-time clock (RTC) chip manufactured by Maxim Integrated. It provides accurate timekeeping and calendar functions, making it suitable for a wide range of applications, including data logging systems, IoT devices, and embedded systems.

Application Scenario:

In a data logging application, DS1557P-70IND can be utilized to timestamp data entries, enabling precise chronological organization and analysis of logged information.

Circuit Design:

To incorporate DS1557P-70IND into a data logging project, follow these steps:

1. Clock Connection:

Connect the I2C interface pins of DS1557P-70IND to the corresponding pins of the microcontroller or host device. These pins typically include SDA (data) and SCL (clock) lines.

2. Power Supply:

Provide a stable power supply voltage, typically between 1.8V to 5.5V, to the VCC pin of DS1557P-70IND. Ensure proper decoupling capacitors are employed to minimize noise.

3. Crystal Connection:

Connect an external 32.768 kHz crystal oscillator to the X1 and X2 pins of DS1557P-70IND. This crystal ensures accurate timekeeping by providing the necessary clock frequency.

4. Backup Battery:

Install a backup battery, such as a coin cell battery, to the BAT pin of DS1557P-70IND. This battery preserves the RTC's timekeeping functionality during power loss.

5. Initialization and Configuration:

Utilize the microcontroller or host device to initialize and configure DS1557P-70IND settings, such as time and date format, alarm settings, and square wave output frequency.

Experiment:

To understand the basic functionality of DS1557P-70IND, let's perform a simple experiment to read and display the current time and date using an Arduino microcontroller:

Materials Required:

- Arduino board (e.g., Arduino Uno)

- DS1557P-70IND RTC module

- Breadboard and jumper wires

- 32.768 kHz crystal oscillator

Experimental Procedure:

1. Connect the SDA and SCL pins of the DS1557P-70IND RTC module to the corresponding I2C pins (A4 and A5) of the Arduino board.

2. Connect the X1 and X2 pins of the DS1557P-70IND RTC module to the 32.768 kHz crystal oscillator.

3. Connect the VCC and GND pins of the DS1557P-70IND RTC module to the 5V and GND pins of the Arduino board, respectively.

4. Upload the following Arduino sketch to read and display the current time and date:

#include Wire.h
#include DS1557P.h

DS1557P rtc;

void setup() {
Serial.begin(9600);
Wire.begin();
}

void loop() {
rtc.readTime();
Serial.print("Current Time: ");
Serial.print(rtc.hour, DEC);
Serial.print(":");
Serial.print(rtc.minute, DEC);
Serial.print(":");
Serial.print(rtc.second, DEC);
Serial.print(" Date: ");
Serial.print(rtc.month, DEC);
Serial.print("/");
Serial.print(rtc.dayOfMonth, DEC);
Serial.print("/");
Serial.print(rtc.year, DEC);
Serial.println();
delay(1000);
}

5. Open the Arduino IDE serial monitor to view the current time and date readings.

Considerations:

When using DS1557P-70IND in a project, consider:

- Power Supply Stability: Ensure a stable power supply to prevent RTC time drift and inaccuracies.

- Battery Replacement: Periodically check and replace the backup battery to maintain RTC functionality during power loss.

- I2C Addressing: If using multiple I2C devices, ensure each device has a unique address to avoid communication conflicts.

- Calibration: Periodically calibrate the RTC to compensate for any clock drift and maintain accurate timekeeping.

DS1557P-70IND FAQ

1. How to order DS1557P-70IND 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 DS1557P-70IND is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the DS1557P-70IND. All suppliers must pass our qualification reviews before they can publish their products including DS1557P-70IND on icwhale.com; we pay more attention to the channels and quality of DS1557P-70IND products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

3. Are the DS1557P-70IND price and inventory displayed accurate?

The price and inventory of DS1557P-70IND 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 DS1557P-70IND?

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 DS1557P-70IND we delivered, we will accept the replacement or return of the DS1557P-70IND 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 DS1557P-70IND.

(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