PCF85053A Overview
Key Specifications
Operating Voltage: 3.3 V
Max Voltage (typical range): 5.5 V
Min Voltage (typical range): 1.2 V
Max Frequency: 32 kHz
Description
The PCF85053A is a CMOS Real-Time Clock (RTC) and calendar optimized for low power consumption and automatic switching to battery on primary power loss. Featuring clock output, ALRT (interrupt) output and 128 bytes of battery backup SRAM.
Key Features
- Voltage range addresses common supply rails – VDD supply voltage from 1.7 V to 3.6 V – VBAT battery supply voltage from 1.55 V to 3.6 V
- Package – HVSON12; 3 mm x 3 mm x 0.85 mm body, 0.5 mm pitch
