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PCF85053ATKJ
+物料清單IC CPU RTC I2C SOT2413-1
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製造商恩智浦美國股份有限公司。
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製造商部分 #PCF85053ATKJ
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規格
| 屬性 | 價值 |
| PartStatus | Active |
| Type | Clock/Calendar |
| Features | Alarm, Daylight Savings, Leap Year, SRAM |
| MemorySize | 128B |
| TimeFormat | HH:MM:SS (12/24 hr) |
| DateFormat | YY-MM-DD |
| Interface | I2C |
| Voltage-Supply | 1.7V ~ 3.6V |
| Voltage-Supply,Battery | 1.55V ~ 3.6V |
| Current-Timekeeping(Max) | 1mA @ 3.3V |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 12-VFDFN Exposed Pad |
| SupplierDevicePackage | 12-HVSON (3x3) |
概述
Description
Key features include an I2C interface for easy communication with microcontrollers, an alarm function, and programmable interrupts. It operates over a wide voltage range (1.8V to 5.5V) and consumes minimal power, allowing for long battery life in applications such as wearable devices, IoT gadgets, and consumer electronics.
The PCF85053ATKJ also supports timekeeping even during power loss, thanks to a backup battery input, ensuring reliable operation in various environmental conditions. Its compact design and versatility make it a popular choice for developers needing precise time management in their projects.
Equivalent
Features
1. Timekeeping Functionality: Provides accurate timekeeping with a precision of ±3 minutes per year.
2. I2C Interface: Supports a two-wire I2C bus for easy communication with microcontrollers.
3. Power Supply: Operates from a supply voltage range of 1.0V to 5.5V, enabling versatility in various applications.
4. Battery Backup: Features a battery backup option to maintain timekeeping during power outages.
5. Programmable Alarms: Includes programmable alarm functions for time-based events.
6. Temperature Compensated: Ensures stability over a wide temperature range.
7. Multiple Time Formats: Supports both 24-hour and 12-hour time formats.
8. Low Power Consumption: Designed for energy efficiency, making it suitable for battery-operated devices.
Overall, the PCF85053ATKJ is ideal for applications like handheld devices, industrial equipment, and consumer electronics where accurate timekeeping is essential.
Pinout
1. VDD: Supply voltage (2.3V to 5.5V).
2. VSS: Ground reference.
3. SCL: Serial clock line for I²C communication.
4. SDA: Serial data line for I²C communication.
5. NIRQ: Interrupt request output; signals alarms or other interrupt conditions.
6. NST: Reset pin for the RTC.
7. X1: Connection for an external crystal oscillator (typically 32.768 kHz).
8. X2: Connection for the other terminal of the crystal.
This IC is used for keeping track of time and date, with features such as alarm functions and timekeeping with low power consumption.
Manufacturer
Application
1. Consumer Electronics: Used in devices like digital cameras, remote controls, and audio systems to keep accurate time.
2. Industrial Equipment: Essential for timekeeping in automation systems, process control, and machinery.
3. Smart Home Devices: Employed in smart thermostats and security systems for scheduling functionalities.
4. Wearable Technology: Integrated into smartwatches and fitness trackers for time tracking and alarms.
5. Telecommunications: Assists in synchronizing network devices and maintaining accurate timestamps for data logs.
Its low power consumption makes it suitable for battery-operated applications.