PCA9548APW

The PCA85063ATT/AJ is an ultra-low-power real-time clock (RTC) module from NXP Semiconductors, designed for timekeeping in battery-operated devices and other low-power applications. Here’s a detailed description:

Key Features:

• Ultra-Low Power: Consumes minimal power, making it ideal for battery-operated and energy-sensitive devices.
• Real-Time Clock Functionality: Provides timekeeping functions with year, month, day, weekday, hours, minutes, and seconds. Also includes leap year correction for accurate date tracking.
• Clock Accuracy: Operates with an external 32.768 kHz quartz crystal oscillator for precise timekeeping.
• Programmable Clock Output: Offers a programmable clock output for use in other systems and devices.
• Timers and Alarms:
  • Alarm Function: Configurable alarm for specific dates and times.
  • Timer Function: Programmable countdown timer for event triggering.
• Operating Temperature: Functions reliably within a wide operating temperature range, from -40°C to +85°C, making it suitable for industrial environments.

Communication Interface:

• I²C Interface: Communicates with external systems through a standard I²C-bus interface, ensuring compatibility with a wide range of microcontrollers and processors.

Power Management:

• Backup Battery Support: Operates on a backup battery when the main power is unavailable, ensuring continuous timekeeping even during power failures.
• Low Supply Voltage: Operates over a supply voltage range of 0.9V to 5.5V, making it flexible for low-power designs.

Package:

• Package Type: Comes in a small 8-pin TSSOP package, which is space-efficient and suitable for compact devices.

Applications:

• Wearables: Perfect for wearable devices requiring constant timekeeping with minimal power usage.
• Consumer Electronics: Used in devices such as smart home systems, clocks, and handheld electronics.
• Industrial Equipment: Suitable for time-stamping events, alarms, and maintaining accurate time in industrial control systems.

The PCA85063ATT/AJ offers reliable, ultra-low-power timekeeping, making it ideal for a wide range of applications where accurate timing and minimal power consumption are critical.