PCF85263ATT/AJ

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PCF85263ATT/AJ

+Nomenclature

IC RTC CLK/CALENDAR I2C 8TSSOP

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Spécifications

Attribut Valeur
Part Status Active
DigiKey Programmable Not Verified
Type Clock/Calendar
Features Alarm, Leap Year, Watchdog Timer
Time Format HH:MM:SS:hh (12/24 hr)
Date Format YY-MM-DD-dd
Interface I2C, 2-Wire Serial
Voltage - Supply 0.9V ~ 5.5V
Voltage - Supply, Battery 0.9V ~ 5.5V
Current - Timekeeping (Max) 0.885µA @ 3.3V
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Package / Case 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package 8-TSSOP
Base Product Number PCF85263

Présentation

Description

The PCF85263ATT/AJ is a highly versatile real-time clock (RTC) integrated circuit (IC) designed for low-power applications. It features a built-in temperature-compensated crystal oscillator (TCXO), which ensures accurate timekeeping across various environmental conditions. The device operates within a voltage range of 1.0V to 5.5V, making it suitable for battery-operated systems.
Key features include multiple programmable alarms, a timer, and a calendar function that supports the Year 2100. The PCF85263ATT/AJ communicates via I2C interface, allowing for easy integration with microcontrollers and other digital devices. It also includes a power management feature that significantly reduces energy consumption, making it ideal for applications in wearables, IoT devices, and portable electronics.
Overall, the PCF85263ATT/AJ is designed to provide reliable timekeeping while optimizing power efficiency, making it a popular choice for designers looking to enhance the functionality of their products.

Equivalent

Equivalent products to the PCF85263ATT/AJ chip include the MCP79410, DS3231, and PCF2129AT. These chips are real-time clocks (RTCs) with similar functionality, including battery backup and timekeeping features. Be sure to check specific electrical characteristics and features for compatibility in your application.

Features

The PCF85263ATT/AJ is a highly integrated real-time clock (RTC) and timer IC designed for low-power applications. Key features include:
1. Low Power Consumption: Operates with minimal energy, suitable for battery-operated devices.
2. I²C Interface: Supports standard I²C communication for easy integration with microcontrollers.
3. Timekeeping Accuracy: Features a built-in oscillator with a frequency of 32.768 kHz for precise timekeeping.
4. Programmable Alarms: Allows setting up to three programmable alarms for wake-up functions.
5. Timer Functions: Includes a timer/counter for various time-related applications.
6. Battery Backup: Supports a backup battery, ensuring timekeeping during power outages.
7. Temperature Compensation: Enhanced accuracy across a wide temperature range.
8. Additional Features: Integrated oscillator trim for fine-tuning, and low-voltage operation.
Ideal for applications such as wearable devices, smart meters, and industrial applications, this RTC balances functionality with power efficiency.

Pinout

The PCF85263ATT/AJ is a real-time clock (RTC) integrated circuit designed for low-power applications. It features a 20-pin TSSOP package. The pin functions are as follows:
1. VDD - Power supply
2. VSS - Ground
3. SDA - Serial data line for I²C communication
4. SCL - Serial clock line for I²C communication
5. SOUT - Output for the square wave signal
6. SCLK - Clock output pin
7. ALM - Alarm output
8. RST - Reset pin
9. TS - Temperature sensor output
10. VBAT - Backup battery input
11-20: Various configuration pins and additional outputs for functionality such as interrupt signals, additional battery management, and power control.
This chip is commonly used in applications requiring accurate timekeeping and low energy consumption.

Manufacturer

The PCF85263ATT/AJ is manufactured by NXP Semiconductors. NXP is a global semiconductor company that specializes in designing and manufacturing a wide range of semiconductor solutions, including microcontrollers, processors, and various integrated circuits. Founded in 2006 as a spin-off from Philips, NXP focuses on automotive, security, Internet of Things (IoT), and mobile applications. The PCF85263ATT/AJ is a real-time clock (RTC) IC that provides precise timing and date functions, crucial for various electronic devices. NXP is known for its innovation in various fields, particularly in connectivity and processing technologies, serving diverse markets including automotive, industrial, consumer, and communication sectors.

Application

The PCF85263ATT/AJ is a real-time clock (RTC) with a built-in oscillator, primarily used in battery-operated devices. Its application areas include:
1. Consumer Electronics: Used in clocks, timers, and alarm systems.
2. Industrial Automation: For timekeeping in controllers and data loggers.
3. Healthcare: In medical devices requiring accurate timekeeping.
4. Automotive: For time management in infotainment systems.
5. IoT Devices: To maintain time for sensors and communication modules.
6. Smart Meters: In energy and utility measurement devices.
Its low power consumption makes it ideal for portable applications.

Package

The PCF85263ATT/AJ is available in a TSSOP (Thin Shrink Small Outline Package) with 14 pins. This package type is designed for space-efficient applications, providing a compact solution for integrating the real-time clock functionality into electronic devices.

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