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RTC-72423
Real Time Clock
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RTC-72423 數據表
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詳細說明
The RTC-72423 is a real-time clock (RTC) IC, a type of electronic component that is used in a wide range of devices to keep accurate track of time and date. This particular RTC chip is designed to provide precise timekeeping in various applications, such as consumer electronics, industrial equipment, medical devices, and more. The RTC-72423 is a low-power, highly integrated device that features a built-in crystal oscillator, calendar, and alarm functions. It offers high accuracy and reliability, ensuring consistent timekeeping over long periods without the need for frequent adjustments. This RTC chip supports multiple time formats, including 12/24-hour formats, and can be easily interfaced with microcontrollers and other digital systems through standard communication interfaces such as I2C or SPI. The RTC-72423 is housed in a compact package, making it easy to incorporate into existing circuit designs. Its low power consumption makes it ideal for battery-powered devices where energy efficiency is crucial.
主要特徵
- Real-time clock module
- Integrated with counter, alarm, and timer functions
- Provides highly accurate time-keeping capability
- Low power consumption
- Wide operating voltage range
- Multiple interface options for easy integration
- Small form factor for compact designs
- Auto leap year adjustment
應用
- Real-time clocks
- Consumer electronics
- Industrial automation
- Smart meters
- Medical devices
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 | Obsolete |
| 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。
常見問題解答
What is RTC-72423?
The RTC-72423 is a real-time clock (RTC) module designed by Epson. It is ideal for applications requiring timekeeping and timestamp functionality, such as consumer electronics, industrial automation, and IoT devices.
How Does RTC-72423 Work?
The RTC-72423 works by accurately keeping track of time and providing timestamp information for various events within a system. It utilizes a built-in oscillator and counter circuitry to maintain time and date information, typically with battery backup to retain data during power loss.
How Many Pins does RTC-72423 have and What are the Functions of the Pinout Configuration?
The RTC-72423 is housed in a small package with several pins for different functions. The pinout configuration includes:
- VCC: Power supply pin.
- GND: Ground pin.
- CLKOUT: Clock output pin for external use.
- IRQ: Interrupt request output pin.
- SDA, SCL: Serial data and serial clock pins for I2C communication.
- X1, X2: Connections for the crystal oscillator.
What are the Pros and Cons of RTC-72423?
Pros:
- Accurate Timekeeping: Provides precise time and date information for system operation and logging.
- Low Power Consumption: Operates with minimal power, suitable for battery-powered applications.
- I2C Interface: Supports easy integration with microcontrollers and digital systems.
- Small Form Factor: Compact package size for space-efficient designs.
Cons:
- External Crystal Required: Requires an external crystal for timekeeping accuracy.
- Limited Memory: May have limited memory for timestamp and configuration information.
- Configuration Complexity: Setting the time and date may require specific procedures or initialization sequences.
Are There Any Equivalents/Alternatives to RTC-72423 for Recommendation?
- The DS3231 from Maxim Integrated is a comparable real-time clock module with additional temperature compensation features.
- Alternatives to the RTC-72423 include the MCP7940N from Microchip Technology and the PCF85263A from NXP Semiconductors.
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