Manufacturer Part Number
ISL12022MIBZ-TR5421
Manufacturer
Renesas Electronics America
Introduction
The ISL12022MIBZ-TR5421 is a highly integrated Real-Time Clock with embedded SRAM.
Product Features and Performance
Clock/Calendar functionality
Alarm with Daylight Savings time adjustment
Leap Year compensation
128 bytes of user SRAM
I2C 2-Wire Serial Interface
HH:MM:SS time format, supports 12/24 hour modes
YY-MM-DD-dd date format
Operating Temperature -40°C to 85°C
Product Advantages
Low timekeeping current of 14µA to 15µA
Wide voltage supply range from 2.7V to 5.5V
Integrated battery voltage supply range from 1.8V to 5.5V
High operating temperature range suitable for various environments
Key Technical Parameters
Memory Size: 128B
Interface: I2C, 2-Wire Serial
Voltage - Supply: 2.7V ~ 5.5V
Voltage - Supply, Battery: 1.8V ~ 5.5V
Current - Timekeeping (Max): 14µA ~ 15µA
Operating Temperature: -40°C ~ 85°C
Quality and Safety Features
Built-in crystal load capacitors for reliable operation
Temperature compensated for better accuracy across temperature variations
Compatibility
Compatible with various microcontrollers via I2C protocol
Application Areas
Consumer electronics
Automotive systems
Industrial applications
Networking equipment
Medical devices
Product Lifecycle
Active status, not nearing discontinuation
Future replacements or upgrades would be announced by Renesas
Several Key Reasons to Choose This Product
Low power consumption ideal for battery-powered devices
Robust time-keeping accuracy and reliability
Extended temperature range accommodating harsh environments
Simple serial interface for easy integration
Comprehensive feature set including alarms and daylight savings adjustment
Support from established semiconductor manufacturer Renesas