Manufacturer Part Number
PCF2131TFY
Manufacturer
NXP Semiconductors
Introduction
Real Time Clock chip with advanced time-tracking features
Product Features and Performance
Clock/Calendar functionality
Alarm feature
Supports Leap Year compensation
On-chip SRAM
Integrated Watchdog Timer
Memory Size of 8 Bytes
Time Format HH:MM:SS:hh with 12/24 hour mode
Date Format YY-MM-DD-dd
I2C and SPI Interfaces for communication
Wide Voltage Supply range from 1.2V to 5.5V
Battery Voltage Supply range from 1.2V to 5.5V
Product Advantages
High precision timekeeping
Low power consumption
Multi-interface support
Versatility in time and date formatting
Compact and surface-mountable design
Key Technical Parameters
Voltage Supply between 1.2V and 5.5V
Battery Voltage Supply between 1.2V and 5.5V
Current Timekeeping (Max): 770nA to 2.135µA across the voltage range
Operating Temperature range -40°C to 85°C
Surface Mount, Wettable Flank for secure soldering
16-LFDFN Exposed Pad for small footprint on PCB
Supplier Device Package is 16-HLSON measuring 4.5x3.5
Quality and Safety Features
Robust design with a wide temperature operating range
Low-current consumption for long-term reliability
Manufactured by a reputable semiconductor company
Compatibility
Compatible with devices requiring I2C or SPI communication protocols
Suitable for a broad range of voltage supply levels
Application Areas
Consumer electronics
Industrial timing
Automotive systems
Wearable technology
Product Lifecycle
Active product status with ongoing manufacturing
No indication of nearing discontinuation
Upgrades or replacements should be available if necessary
Key Reasons to Choose This Product
Precision in time-keeping vital for time-critical operations
Multi-featured to cover diverse requirement scenarios
Highly compatible with modern microcontrollers
Efficient power management for battery-powered applications
Resilient performance over a wide range of operating temperatures
Reliable manufacturer with a strong track record in semiconductors
Small form factor for space-limited applications
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