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Name: DS12885TN
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS12885TN
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 DS12885TN

Part No.:: DS12885TN

Manufacturer:: Analog Devices Inc./Maxim Integrated

Package:: 32-TQFP

Datasheet:: DS12885TN.pdf

Description:: IC RTC CLK/CALENDAR PAR 32-TQFP

In Stock:: 3582

Quantity:: Add To Cart

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DS12885TN Specifications

Package/Case:
32-TQFP
Packaging:
Tray
Series:
-
ProductStatus:
Obsolete
Type:
Clock/Calendar
Features:
Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output
MemorySize:
114B
TimeFormat:
HH:MM:SS (12/24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
Parallel
Voltage-Supply:
4.5V ~ 5.5V
Voltage-SupplyBattery:
2.5V ~ 4V
Current-Timekeeping(Max):
15mA @ 4.5V ~ 5.5V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

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DS12885TN information

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Basic introduction and simple engineering application of DS12885TN

DS12885TN is a real-time clock (RTC) chip manufactured by Maxim Integrated. It is widely used in electronic projects requiring precise timekeeping and calendar functions. The DS12885TN integrates a 32.768 kHz quartz crystal oscillator and supports battery backup, ensuring accurate timekeeping even during power interruptions.

Application Scenario:

In this tutorial, we will explore a simple project using the DS12885TN RTC chip to build a digital clock with Arduino. This project will demonstrate how to read and set the time, as well as display it on an LCD screen.

Hardware Required:

- Arduino Uno or compatible board

- DS12885TN RTC module

- 16x2 LCD display

- Potentiometer (for LCD contrast adjustment)

- Jumper wires

- Breadboard

Connections:

1. Connect the SDA pin of the DS12885TN module to Arduino Analog Pin A4.

2. Connect the SCL pin of the DS12885TN module to Arduino Analog Pin A5.

3. Connect the VCC pin of the DS12885TN module to Arduino 5V pin.

4. Connect the GND pin of the DS12885TN module to Arduino GND pin.

5. Connect the data pins of the LCD (RS, E, D4, D5, D6, D7) to Arduino digital pins 7, 6, 5, 4, 3, 2 respectively.

6. Connect the VCC and GND pins of the LCD to Arduino 5V and GND respectively.

7. Connect the contrast pin (V0) of the LCD to the middle pin of the potentiometer and the other two pins of the potentiometer to Arduino 5V and GND.

Arduino Sketch:

Download and install the DSRTC library for Arduino. Then, upload the following sketch to your Arduino board:

#include 
#include 
#include 

LiquidCrystal lcd(7, 6, 5, 4, 3, 2);
DSRTC rtc;

void setup() {
lcd.begin(16, 2);
rtc.begin();
}

void loop() {
lcd.setCursor(0, 0);
lcd.print(rtc.getDateTimeString());
delay(1000);
}

Explanation:

This Arduino sketch initializes the LCD and DS12885TN RTC module. In the loop function, it continuously reads the current date and time from the RTC module and displays it on the LCD screen.

Conclusion:

In this tutorial, we have learned the basics of the DS12885TN RTC chip and how to use it in a simple Arduino project to build a digital clock. You can further enhance this project by adding features like alarm functionality, temperature monitoring, or logging data to an SD card.

DS12885TN FAQ

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3. Are the DS12885TN price and inventory displayed accurate?

The price and inventory of DS12885TN fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

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6. What is the process for return or replacement of DS12885TN?

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 DS12885TN we delivered, we will accept the replacement or return of the DS12885TN 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 DS12885TN.

(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