ISL12025IBZ – Real-Time Clock (RTC) with EEPROM and I²C Interface

Description

Technical specifications:

• Clock/calendar format: 12-hour or 24-hour format
• EEPROM size: 2KB (2048 bytes)
• Interface: I²C (up to 400kHz)
• Operating voltage: 1.8V to 5.5V
• Timekeeping current: ~400nA (typical)
• Package: 8-lead SOIC
• Operating temperature: -40°C to +85°C
• Applications: Embedded systems, POS terminals, security systems, portable electronics

Product features:

• Real-time clock/calendar: Tracks seconds, minutes, hours, day, date, month, and year including leap year correction
• Integrated 2KB EEPROM: Allows non-volatile user data storage
• I²C interface: Compatible with standard and fast-mode I²C protocol (400kHz)
• Low power consumption: Battery-backed timekeeping down to 400nA
• Trickle charger support: Built-in battery management and trickle charging circuit
• Power-fail and tamper detection: Detects loss of main power and logs tamper events