Manufacturer Part Number
PCF2127AT/2Y
Manufacturer
NXP Semiconductors
Introduction
The PCF2127AT/2Y by NXP Semiconductors is a highly integrated clock/timing real-time clock module, designed for a wide range of applications requiring accurate timekeeping and calendar functions.
Product Features and Performance
Clock/Calendar functionality with Alarm
Supports Leap Year and provides Square Wave Output
On-chip SRAM and TCXO/Crystal for high precision
Embedded Watchdog Timer for system stability
Memory Size of 512B
Time Format is HH:MM:SS with options for 12/24 hour display
Date Format is YY-MM-DD-dd
Utilizes I2C, 2-Wire Serial Interface for communication
Low power consumption with a maximum timekeeping current of 1.5µA at 3.3V
Product Advantages
High Integration with multiple functions reduces system complexity
Precision timing ensures reliable timekeeping and scheduling
Low power consumption for efficient operation in battery-powered devices
Flexible voltage range (1.8V ~ 4.2V), supporting diverse system designs
Compact 20-SOIC package for space-saving applications
Key Technical Parameters
Voltage Supply: 1.8V to 4.2V
Voltage Supply, Battery: 1.8V to 4.2V
Current Timekeeping: Max 1.5µA at 3.3V
Operating Temperature: -40°C to 85°C
Mounting Type: Surface Mount
Package / Case: 20-SOIC
Quality and Safety Features
The PCF2127AT/2Y adheres to rigorous quality and safety standards, ensuring reliable performance in a range of conditions.
Compatibility
Compatible with various microcontrollers and processors through its I2C, 2-Wire Serial Interface, facilitating easy integration into existing and new designs.
Application Areas
Ideal for use in digital clocks, smart appliances, industrial systems, healthcare devices, and other applications requiring precise timekeeping.
Product Lifecycle
The PCF2127AT/2Y is currently active, with no indication of nearing discontinuation. NXP Semiconductors provides support and availability of replacements or upgrades as needed.
Several Key Reasons to Choose This Product
Precision timekeeping and calendar functions in one integrated package
Low power consumption ideal for battery-powered applications
High reliability and stability supported by in-built watchdog timer
Flexible interfacing and voltage requirements cater to a wide range of applications
Designed and manufactured by NXP Semiconductors, a leader in semiconductors technology
