Specifications
| Attribute | Value |
| Package | Tube |
| ProductStatus | Obsolete |
| Type | Clock/Calendar |
| Features | Leap Year |
| TimeFormat | HH:MM:SS (12/24 hr) |
| DateFormat | YY-MM-DD-dd |
| Interface | Parallel |
| Voltage-Supply | 4.5V ~ 5.5V |
| Current-Timekeeping(Max) | 5µA ~ 10µA @ 2V ~ 5V |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 24-SOIC (0.311, 7.90mm Width) |
Overview
Equivalent
The RTC-72423A is a real-time clock (RTC) chip. Equivalent or similar products include:
- DS1307 (Maxim Integrated)
- PCF8563 (NXP)
- MCP7940N (Microchip)
- RX-8025T (Epson)
These alternatives offer comparable RTC functionality with I²C or SPI interfaces, battery backup, and timing accuracy. Choose based on specific requirements like voltage range, package, or additional features.
- DS1307 (Maxim Integrated)
- PCF8563 (NXP)
- MCP7940N (Microchip)
- RX-8025T (Epson)
These alternatives offer comparable RTC functionality with I²C or SPI interfaces, battery backup, and timing accuracy. Choose based on specific requirements like voltage range, package, or additional features.
Features
The RTC-72423A is a real-time clock (RTC) IC with the following key features:
- Low Power Consumption: Operates on minimal power, suitable for battery-backed applications.
- Timekeeping Functions: Tracks seconds, minutes, hours, day, date, month, and year (including leap years).
- 12/24-Hour Mode: Supports both time formats.
- Built-in Oscillator: Includes an internal crystal oscillator (32.768 kHz).
- Alarm Function: Programmable alarm with interrupt output.
- Serial Interface: Uses I²C for communication with microcontrollers.
- Wide Voltage Range: Typically operates at 1.3V–5.5V.
- Temperature Compensation: Ensures accuracy over varying conditions.
- Compact Package: Available in SOP-8 or similar small form factors.
Ideal for embedded systems, clocks, and timers where precise timekeeping is needed with low power.
- Low Power Consumption: Operates on minimal power, suitable for battery-backed applications.
- Timekeeping Functions: Tracks seconds, minutes, hours, day, date, month, and year (including leap years).
- 12/24-Hour Mode: Supports both time formats.
- Built-in Oscillator: Includes an internal crystal oscillator (32.768 kHz).
- Alarm Function: Programmable alarm with interrupt output.
- Serial Interface: Uses I²C for communication with microcontrollers.
- Wide Voltage Range: Typically operates at 1.3V–5.5V.
- Temperature Compensation: Ensures accuracy over varying conditions.
- Compact Package: Available in SOP-8 or similar small form factors.
Ideal for embedded systems, clocks, and timers where precise timekeeping is needed with low power.
Manufacturer
The RTC-72423A is a real-time clock (RTC) IC manufactured by Epson Toyocom (now part of Seiko Epson Corporation).
Epson is a Japanese electronics company known for producing precision components, including quartz crystals, oscillators, and RTC modules. The RTC-72423A is a low-power CMOS device designed for timekeeping in embedded systems.
Epson specializes in timing solutions and is a leading supplier of RTCs for consumer electronics, industrial applications, and IoT devices. The company emphasizes reliability, accuracy, and energy efficiency in its products.
Epson is a Japanese electronics company known for producing precision components, including quartz crystals, oscillators, and RTC modules. The RTC-72423A is a low-power CMOS device designed for timekeeping in embedded systems.
Epson specializes in timing solutions and is a leading supplier of RTCs for consumer electronics, industrial applications, and IoT devices. The company emphasizes reliability, accuracy, and energy efficiency in its products.
Application
The RTC-72423A is a real-time clock (RTC) IC commonly used in:
1. Consumer Electronics – Clocks in appliances, TVs, and audio systems.
2. Industrial Automation – Timestamping in PLCs and control systems.
3. Automotive Systems – Dashboard clocks and event logging.
4. Embedded Systems – Microcontroller-based projects needing timekeeping.
5. Medical Devices – Time-sensitive data recording.
6. IoT Devices – Battery-backed time tracking.
It provides accurate time/date with low power consumption, making it suitable for battery-operated and power-sensitive applications.
1. Consumer Electronics – Clocks in appliances, TVs, and audio systems.
2. Industrial Automation – Timestamping in PLCs and control systems.
3. Automotive Systems – Dashboard clocks and event logging.
4. Embedded Systems – Microcontroller-based projects needing timekeeping.
5. Medical Devices – Time-sensitive data recording.
6. IoT Devices – Battery-backed time tracking.
It provides accurate time/date with low power consumption, making it suitable for battery-operated and power-sensitive applications.
Package
The RTC-72423A is a real-time clock (RTC) IC typically available in a DIP-24 (Dual In-line Package, 24-pin) format. It integrates timekeeping functions, including a calendar, and operates with low power consumption. The DIP package is common for through-hole PCB mounting, making it suitable for various embedded systems and clock modules.
