RTC-72423A

The RTC-72423A is a real time clock with volatile memory and 0 timers, designed for use in CMOS systems."
4,536 有效庫存

RTC-72423A

有效庫存4,536

The RTC-72423A is a real time clock with volatile memory and 0 timers, designed for use in CMOS systems."

  • 製造商零件號 # : RTC-72423A

  • 包裝/封裝: 24-SOIC

  • 製造商: EPSON

  • 產品分類 : Real Time Clocks

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RTC-72423A 數據表
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詳細說明

RTC-72423A is a clock/calendar real-time clock (RTC) integrated circuit (IC) that provides accurate timekeeping functionality for electronic devices. This particular model is packaged in a 24-pin small outline package (SOP), making it compact and suitable for use in various applications. The RTC-72423A features a built-in clock/calendar circuit that can accurately keep track of time and date information, including seconds, minutes, hours, days, months, and years. It is equipped with a digital interface for easy communication with other components or microcontrollers. The IC also includes a programmable alarm function that can be set to trigger at specific times or dates. One of the key features of the RTC-72423A is its low power consumption, making it ideal for battery-operated devices that require long-term timekeeping functionality without draining the power source quickly. This makes it suitable for use in a wide range of applications, such as consumer electronics, industrial equipment, medical devices, and automotive systems.

主要特徵

  • Real Time Clock with Alarms
  • Low power consumption
  • Wide operating voltage range
  • Serial interface for communication
  • 32KHz crystal oscillator circuit
  • Time and Date Information storage
  • Simple configuration and setup
  • Compact package size
  • Automatic leap year adjustment

應用

  • Electronic appliances such as digital clocks and timers
  • Automotive applications for setting time and date
  • Industrial control systems for time-sensitive operations
  • Medical devices for scheduling and monitoring purposes
  • Telecommunication equipment for time synchronization
  • Security systems for access control and surveillance
  • Smart home devices for automation and scheduling tasks
  • Data logging systems for timestamping events
  • Measuring instruments for accurate timekeeping
  • Network infrastructure for time-sensitive protocols

規格

以下是所選零件的基本參數，涉及零件的特性及其所屬類別。

Rohs Code No Part Life Cycle Code Transferred
Part Package Code SOIC Pin Count ! 24
Reach Compliance Code not_compliant ECCN Code EAR99
HTS Code ! 8542.39.00.01 Bus Compatibility 8048; 8051; 8085
Clock Frequency-Max 0.032 MHz External Data Bus Width 4
Information Access Method PARALLEL, DIRECT ADDRESS/MUXED BUS Interrupt Capability ! N
JESD-30 Code R-PDSO-G24 Number of Terminals 24
Number of Timers Operating Temperature-Max 85 °C
Operating Temperature-Min -40 °C Package Body Material PLASTIC/EPOXY
Package Code SOP Package Equivalence Code SOP24,.5
Package Shape RECTANGULAR Package Style SMALL OUTLINE
Peak Reflow Temperature (Cel) NOT SPECIFIED Power Supplies ! 5 V
Qualification Status ! Not Qualified Seated Height-Max 2.8 mm
Supply Current-Max 0.01 mA Supply Voltage-Max 5.5 V
Supply Voltage-Min 4.5 V Supply Voltage-Nom 5 V
Surface Mount ! YES Technology CMOS
Temperature Grade ! INDUSTRIAL Terminal Form ! GULL WING
Terminal Pitch ! 1.27 mm Terminal Position DUAL
Time-Min SECONDS Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
Volatile YES Width 7.9 mm
uPs/uCs/Peripheral ICs Type TIMER, REAL TIME CLOCK

數據表 PDF

數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。

初步規格 RTC-72423A PDF 下載

常見問題解答

What is RTC-72423A?

The RTC-72423A is a real-time clock (RTC) module designed by Epson. It is commonly used in electronic devices to keep track of time and date even when the system is powered off. The RTC-72423A offers high accuracy and low power consumption, making it suitable for a wide range of applications including consumer electronics, industrial equipment, and automotive systems.

How Does RTC-72423A Work?

The RTC-72423A works by utilizing a built-in crystal oscillator to keep track of time and date information. It maintains this information using a small, dedicated power source such as a coin cell battery. When the main power source is turned off, the RTC-72423A continues to operate independently, ensuring accurate timekeeping for the system.

How Many Pins does RTC-72423A have and What are the Functions of the Pinout Configuration?

The RTC-72423A is housed in a small, surface-mount package with a specific pinout configuration that includes:

  • VCC: Power supply pin.
  • GND: Ground pin.
  • SCL: Serial clock input/output pin for I2C communication.
  • SDA: Serial data input/output pin for I2C communication.
  • IRQ: Interrupt output pin.
  • XOUT: Crystal oscillator output pin.
  • XIN: Crystal oscillator input pin.

What are the Pros and Cons of RTC-72423A?

Pros:

  • High Accuracy: Provides precise timekeeping with low drift over time.
  • Low Power Consumption: Operates with minimal power, extending the life of the backup power source.
  • Small Package: The surface-mount package is space-efficient for compact designs.
  • Wide Operating Voltage Range: Supports a broad range of power supply voltages.
  • Interrupt Output: Includes an interrupt pin for system alert and control.

Cons:

  • External Crystal Required: Requires an external crystal for clock accuracy.
  • Complex Interface: May require careful consideration of I2C communication for integration.
  • Battery Dependency: Relies on a backup battery for timekeeping when main power is off.

Are There Any Equivalents/Alternatives to RTC-72423A for Recommendation?

The DS3231 from Maxim Integrated offers similar RTC functionality with additional temperature-compensated features. Alternative RTC modules include the MCP7940 from Microchip Technology and the RV-1805-C3 from Micro Crystal AG.

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