Overview
The EPSON RTC-72423A:3 is a Real-Time Clock (RTC) module designed to provide accurate time and date information. Although this product is now obsolete and no longer manufactured, it was widely used in various applications requiring precise timekeeping. The module integrates a clock/calendar function and is part of EPSON's lineup of semiconductor products aimed at energy efficiency and reliability.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | 24-SOIC (0.311", 7.90mm Width) |
| Interface | Parallel |
| Operating Voltage | 4.5V to 5.5V |
| Operating Temperature | -40°C to +85°C |
| Timekeeping Accuracy | ±10 ppm (typical at 25°C) |
| Backup Battery Type | Optional (e.g., lithium battery) |
| RoHS Compliance | Yes |
Key Features
- Accurate time and date keeping with a typical accuracy of ±10 ppm at 25°C
- Parallel interface for easy integration with microcontrollers and other systems
- Operating voltage range of 4.5V to 5.5V, suitable for various power supply conditions
- Wide operating temperature range from -40°C to +85°C, making it suitable for harsh environments
- Optional backup battery support to maintain timekeeping during power outages
Applications
The EPSON RTC-72423A:3 was commonly used in applications such as:
- Industrial control systems requiring precise timekeeping
- Medical devices and equipment
- Automotive systems
- Consumer electronics like set-top boxes and digital recorders
- Any system needing a reliable and accurate real-time clock
Q & A
- What is the package type of the RTC-72423A:3?
The package type is 24-SOIC with a width of 0.311" (7.90mm). - What is the operating voltage range of the RTC-72423A:3?
The operating voltage range is 4.5V to 5.5V. - Is the RTC-72423A:3 RoHS compliant?
Yes, the RTC-72423A:3 is RoHS compliant. - What is the typical timekeeping accuracy of the RTC-72423A:3?
The typical timekeeping accuracy is ±10 ppm at 25°C. - Can the RTC-72423A:3 operate in harsh environments?
Yes, it can operate in temperatures ranging from -40°C to +85°C. - Does the RTC-72423A:3 support backup battery operation?
Yes, it supports optional backup battery operation. - What type of interface does the RTC-72423A:3 use?
The RTC-72423A:3 uses a parallel interface. - Is the RTC-72423A:3 still in production?
No, the RTC-72423A:3 is obsolete and no longer manufactured. - Where can I find detailed specifications for the RTC-72423A:3?
Detailed specifications can be found in the datasheet available on websites like Digi-Key and EPSON's official resources. - What are some common applications for the RTC-72423A:3?
Common applications include industrial control systems, medical devices, automotive systems, and consumer electronics.
