The X5323 is a CMOS Real-Time Clock (RTC) and calendar with a serial interface, produced by Intersil Corporation. It provides highly accurate timekeeping, with features like programmable alarm functions and power-down modes, making it suitable for various low-power applications.

Applications:

• Data logging systems
• Utility meters
• Consumer electronics (e.g., set-top boxes, DVD players)
• Industrial control systems
• Embedded systems requiring accurate timekeeping

Features:

• Real-Time Clock/Calendar: Tracks time in seconds, minutes, hours, days, date, month, and year with automatic leap year compensation.
• Serial Interface: Communicates via a simple serial interface (e.g., I2C or SPI).
• Programmable Alarm: Allows setting alarms for specific times or dates.
• Low Power Operation: Designed for battery-powered applications with low current consumption.
• Power-Down Mode: Further reduces power consumption when not actively keeping time.
• Internal Oscillator: Provides accurate timekeeping without external components.

Benefits:

• Accurate Timekeeping: Ensures reliable time tracking for critical applications.
• Low Power Consumption: Extends battery life in portable devices.
• Easy Integration: Simple serial interface simplifies connection to microcontrollers.
• Alarm Functionality: Enables time-based event triggering.
• Compact Size: Suitable for space-constrained applications.
• Reduced System Cost: Integrated oscillator eliminates the need for external crystal.

The X5323 is a reliable and versatile RTC solution for a wide range of applications. Its low power consumption, accurate timekeeping, and easy interface make it an ideal choice for battery-powered and embedded systems.

Specifications (typical)

• Supply Voltage: 2.0V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Interface Type: I2C or SPI (depending on the specific variant)
• Backup Battery Input: Allows connection of a backup battery for continuous timekeeping.