DS1337S

DALLAS DS1337S IC RTC SE RIAL 2WIRE LP 8-SOIC
5,954 Effective Inventory

DS1337S

Effective Inventory5,954

DALLAS DS1337S IC RTC SE RIAL 2WIRE LP 8-SOIC

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Service & Packaging

Service & Packaging

About After Sales Service

All Parts Extended Quality Guarantee

Initiate the application within 90 days from the shipment date.

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DS1337S DataSheet
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DS1337S Description

The DS1337S is a Real-Time Clock (RTC) IC from Analog Devices Inc., designed for reliable timekeeping and calendar functions in various applications. This device features a completely managed clock/calendar function, including leap-year compensation valid up to 2100, making it suitable for use in industrial temperature ranges.

Features

  • Completely Manages All Timekeeping Functions: The DS1337S counts seconds, minutes, hours, day, date, month, and year with leap-year compensation valid up to 2100.
  • Two Time-of-Day Alarms: The device features two programmable time-of-day alarms.
  • Programmable Square-Wave Output: The output defaults to 32kHz on power-up and can be programmed for other frequencies.
  • Oscillator Stop Flag: The DS1337S includes an oscillator stop flag.

Applications

The DS1337S is commonly used in various applications such as real-time clocks, power meters, data loggers, temperature and humidity controllers, and instrumentation. It is also well-suited for battery-powered devices, electronic gadgets, and communication equipment that require highly accurate timekeeping and calendar functions.

Where to Use:

  • Real-time clock applications
  • Data loggers
  • Power meters
  • Temperature and humidity controllers
  • Instrumentation
  • Battery-powered devices
  • Electronic gadgets
  • Communication equipment

Manufacturer

The DS1337S is manufactured by Analog Devices Inc., a global leader in semiconductor technology. It falls under the category of Real-Time Clock (RTC) ICs, which are designed to facilitate reliable timekeeping and calendar functions in various applications.

This product was developed to meet the growing demand for accurate and reliable timekeeping in industrial, automotive, and building automation systems, where features like leap-year compensation and programmable alarms are essential.

Packages

The DS1337S comes in an 8-pin SOIC-8 (Small Outline Integrated Circuit) package. This package is designed for surface-mount technology, offering a compact and efficient solution for integrating the IC into electronic circuits.

DS1337S

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Manufacturer Maxim Integrated Product Category ! Real Time Clocks
Series - Type Clock/Calendar
Packaging ! Tube Package-Case Surface Mount
Operating-Temperature Alarm, Leap Year, Square Wave Output Mounting-Type 8-SOIC
Features - Interface HH:MM:SS (12/24 hr)
Voltage-Supply YY-MM-DD-dd

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification DS1337S PDF Download

FAQs

What is DS1337S?

The DS1337S is a low-power, I2C real-time clock (RTC) with an integrated temperature-compensated crystal oscillator (TCXO) designed by Maxim Integrated. It is ideal for applications requiring accurate timekeeping and calendar functions, such as smart meters, data loggers, and medical instruments.

How Does DS1337S Work?

The DS1337S works by keeping track of the current time and date with high accuracy using its integrated TCXO. It communicates with a microcontroller or system through the I2C interface, allowing for easy integration into digital systems. The RTC operates with low power consumption, making it suitable for battery-powered devices.

How Many Pins does DS1337S have and What are the Functions of the Pinout Configuration?

The DS1337S is housed in an 8-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

  • VCC: Positive power supply pin.
  • GND: Ground pin.
  • SCL: Serial clock input/output for I2C communication.
  • SDA: Serial data input/output for I2C communication.
  • X1, X2: Connections for an external crystal oscillator or resonator.
  • NC: No-connect pin (not internally connected).

What are the Pros and Cons of DS1337S?

Pros:

  • High Accuracy: Provides precise timekeeping and calendar functions.
  • Low Power Consumption: Operates with low power, suitable for battery-powered devices.
  • I2C Interface: Allows for easy communication and integration with microcontrollers or digital systems.
  • Integrated TCXO: Includes a temperature-compensated crystal oscillator for reliable timekeeping.
  • Compact Package: The 8-pin SOIC package is space-efficient, suitable for compact designs.

Cons:

  • External Crystal Required: Requires an external crystal oscillator or resonator for operation.
  • Limited Features: May not have advanced features compared to more complex RTCs.
  • Configuration Complexity: Configuration and setting adjustments may require attention to I2C communication protocols.

Are There Any Equivalents/Alternatives to DS1337S for Recommendation?

  • The DS3231 from Maxim Integrated is a similar RTC with additional temperature sensor and alarms.
  • Alternatives to the DS1337S include the PCF2129 from NXP Semiconductors and the MCP7940N from Microchip Technology.

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