HLF1302 – Trickle Charging Real-Time Clock (DIP8) Low-Power RTC with Trickle Charger | 2.0 V–5.5 V | <1 µA | –20 °C to +85 °C | Through-Hole Package

The HLF1302 (DIP8) is a precision real-time clock (RTC) IC featuring a trickle charge circuit and full calendar functions. It provides accurate timekeeping and data retention even during main power loss, with extremely low current draw for long backup life. Its standard DIP8 package is suited for easy integration into development boards or industrial circuits.

Key Features:

• Function: Trickle Charging Real-Time Clock (RTC)

• Operating Voltage: 2.0 V – 5.5 V

• Supply Current: <1 µA (typical)

• Operating Temperature: –20 °C to +85 °C

• Package Type: DIP8 (Dual In-line Package)

• Mounting Type: Through-Hole

• Built-In Trickle Charge Circuit

• Automatic Calendar with Leap Year Compensation

• I²C-Compatible Serial Interface

• Ultra-Low Standby Current

• Accurate Clock Operation Under Backup Power

Applications:

• Timekeeping for Embedded Systems

• RTC Backup in Microcontroller Applications

• Smart Appliances and Industrial Timers

• Battery-Backup Systems

• Consumer Electronics and IoT Devices