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DS1374U-33+

Real Time Clock IC

Quantity Unit Price(USD) Ext. Price
1000 $2.403 $2,403.00
500 $2.448 $1,224.00
200 $2.537 $507.40
1 $6.553 $6.55

Inventory:6,390

*The price is for reference only.
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Overview of DS1374U-33+

The DS1374U-33+ is a precision real-time clock (RTC) IC with an integrated temperature-compensated crystal oscillator (TCXO). It offers accurate timekeeping functions and features a 33.3333kHz square-wave output signal. This RTC IC is ideal for applications requiring precise timekeeping in various electronic systems.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • VCC: Positive Power Supply
  • GND: Ground Connection
  • SCL: Serial Clock Input
  • SDA: Serial Data Input/Output
  • IRQ/FREQ: Interrupt/Output Frequency
  • 32kHz: 32kHz Output
  • X1: Crystal Connection 1
  • X2: Crystal Connection 2
  • VBAT: Battery Voltage Input for Backup
  • RST: Reset Input

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the DS1374U-33+ IC for a visual representation.

Key Features

  • Precision Real-Time Clock: Provides accurate timekeeping functions for various applications.
  • Integrated TCXO: Features a temperature-compensated crystal oscillator for enhanced timekeeping accuracy.
  • 33.3333kHz Output Signal: Offers a square-wave output signal at 33.3333kHz for timing applications.
  • Battery Backup: Supports battery operation for backup power in case of main power failure.
  • I2C Interface: Utilizes the I2C serial interface for communication with microcontrollers or systems.

Note: For detailed technical specifications, please refer to the DS1374U-33+ datasheet.

Application

  • Embedded Systems: Ideal for timekeeping in embedded systems and microcontroller-based applications.
  • Data Logging: Suitable for recording time stamps in data logging applications.
  • Automated Systems: Used in automated systems that require precise timing functionality.

Functionality

The DS1374U-33+ is a precision RTC IC with an integrated TCXO, providing accurate timekeeping and a 33.3333kHz output signal. It ensures reliable timekeeping and synchronization in electronic systems.

Usage Guide

  • Power Supply: Connect VCC (Pin 1) to the positive power supply and GND (Pin 2) to ground.
  • Crystal Connection: Connect the crystal to X1 (Pin 8) and X2 (Pin 9) for clock signal generation.
  • Serial Interface: Use the SCL (Pin 3) and SDA (Pin 4) pins for I2C communication with external devices.

Frequently Asked Questions

Q: What is the frequency of the square-wave output signal from the DS1374U-33+?
A: The DS1374U-33+ provides a 33.3333kHz square-wave output signal for timing applications.

Q: Can the DS1374U-33+ operate without a backup battery?
A: While the DS1374U-33+ supports battery backup for continuous timekeeping, it can operate without a battery with limited functionality.

Equivalent

For similar functionalities, consider these alternatives to the DS1374U-33+:

  • DS3231M: This RTC IC from Maxim Integrated offers high-precision timekeeping capabilities with additional alarm functions.
  • PCF85263A: A real-time clock IC from NXP Semiconductors featuring low power consumption and I2C interface compatibility.

Specifications

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

Product Category Real Time Clock RoHS Details
Mounting Style SMD/SMT Package / Case MSOP-10
RTC Bus Interface I2C, Serial Date Format Binary
Time Format Binary Battery Backup Switching Backup Switching
RTC Memory Size 3 B Supply Voltage - Max 5.5 V
Supply Voltage - Min 2.97 V Minimum Operating Temperature - 40 C
Maximum Operating Temperature + 85 C Brand Analog Devices / Maxim Integrated
Function Calendar, Clock, Counter, Watchdog Timer Product Type Real Time Clocks
Series DS1374U Factory Pack Quantity 50
Subcategory Clock & Timer ICs Part # Aliases DS1374U 90-1374U+033
Unit Weight 0.005051 oz

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