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PCF85263ATT/AJ
+BOMIC RTC CLK/CALENDAR I2C 8TSSOP
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Nhà sản xuấtNXP Hoa Kỳ Inc.
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Ông. Phần #PCF85263ATT/AJ
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Bảng dữ liệu PCF85263ATT/AJ DataSheet
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Thông số kỹ thuật
| thuộc tính | Giá trị |
| PartStatus | Active |
| DigiKeyProgrammable | Not Verified |
| Type | Clock/Calendar |
| Features | Alarm, Leap Year, Watchdog Timer |
| TimeFormat | HH:MM:SS:hh (12/24 hr) |
| DateFormat | 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 |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) |
| SupplierDevicePackage | 8-TSSOP |
| BaseProductNumber | PCF85263 |
Tổng quan
Description
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
Features
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
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
Application
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.