사양
| 속성 | 가치 |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| Type | Clock/Calendar |
| Features | Alarm, Leap Year, Square Wave Output, TCXO/Crystal, Watchdog Timer |
| TimeFormat | HH:MM:SS (12/24 hr) |
| DateFormat | YY-MM-DD-dd |
| Interface | I²C, 2-Wire Serial |
| Voltage-Supply | 1.8V ~ 4.2V |
| Voltage-SupplyBattery | 1.8V ~ 4.2V |
| Current-Timekeeping(Max) | 1.5µA @ 3.3V |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 20-SOIC (0.295, 7.50mm Width) |
개요
Description
The PCF2129AT/2,518 is a real-time clock (RTC) module manufactured by NXP Semiconductors. It is designed to keep accurate time and date information in electronic devices. The module features a wide range of functionalities, including a programmable clock output, alarm functions, and timer capabilities. It operates via an I²C-bus interface, which facilitates easy integration with microcontrollers and other digital systems.
This RTC module is known for its low power consumption, making it suitable for battery-operated devices. It supports a timekeeping range that includes seconds, minutes, hours, days, weekdays, months, and years, with automatic leap year correction up to the year 2099. The device also includes a built-in temperature sensor for enhanced accuracy.
The PCF2129AT/2,518 is typically used in a variety of applications, such as portable devices, data loggers, and any systems requiring reliable timekeeping and low power operation. Its compact size and robust feature set make it a versatile choice for designers looking to maintain time function in their products.
This RTC module is known for its low power consumption, making it suitable for battery-operated devices. It supports a timekeeping range that includes seconds, minutes, hours, days, weekdays, months, and years, with automatic leap year correction up to the year 2099. The device also includes a built-in temperature sensor for enhanced accuracy.
The PCF2129AT/2,518 is typically used in a variety of applications, such as portable devices, data loggers, and any systems requiring reliable timekeeping and low power operation. Its compact size and robust feature set make it a versatile choice for designers looking to maintain time function in their products.
Equivalent
The PCF2129AT/2,518 is a real-time clock (RTC) module. Equivalent products include the DS3231 from Maxim Integrated, which is also a highly accurate I2C RTC with a built-in temperature-compensated crystal oscillator. The MCP7940N from Microchip Technology is another alternative, offering similar RTC functionalities with EEPROM and battery-backed SRAM. Always check the datasheet specifications to ensure compatibility with your design requirements.
Features
The PCF2129AT/2,518 is a Real-Time Clock (RTC) module with several notable features. It provides accurate timekeeping by maintaining year, month, day, hour, minute, and second information. The device includes a programmable timer and alarm function, as well as a watchdog timer for system reliability. It offers a range of low-power modes to conserve energy, making it suitable for battery-operated devices.
Key features include:
1. I²C-bus Interface: Facilitates communication with microcontrollers.
2. Wide Voltage Range: Operates between 1.8 V to 5.5 V.
3. Highly Accurate Oscillator: Uses a built-in quartz oscillator for precise timekeeping.
4. Temperature Compensation: Ensures accuracy across various temperatures.
5. Backup Battery Input: Maintains timekeeping during power failures.
6. Time Stamping: Captures time data on external events.
7. 32.768 kHz Output: Provides a clock signal for other system components.
8. EEPROM Memory: Stores configuration settings and calibration data.
Overall, the PCF2129AT/2,518 is well-suited for applications requiring reliable timekeeping, low power consumption, and robust system integration.
Key features include:
1. I²C-bus Interface: Facilitates communication with microcontrollers.
2. Wide Voltage Range: Operates between 1.8 V to 5.5 V.
3. Highly Accurate Oscillator: Uses a built-in quartz oscillator for precise timekeeping.
4. Temperature Compensation: Ensures accuracy across various temperatures.
5. Backup Battery Input: Maintains timekeeping during power failures.
6. Time Stamping: Captures time data on external events.
7. 32.768 kHz Output: Provides a clock signal for other system components.
8. EEPROM Memory: Stores configuration settings and calibration data.
Overall, the PCF2129AT/2,518 is well-suited for applications requiring reliable timekeeping, low power consumption, and robust system integration.
Pinout
The PCF2129AT/2,518 is a real-time clock/calendar IC manufactured by NXP Semiconductors. It typically comes in a 16-pin package. This IC is designed to keep accurate time and date information, offering functions such as:
1. Timekeeping: Provides seconds, minutes, hours, day, weekday, month, and year information, with a leap year correction.
2. Alarm Function: Offers alarm functions with settable alarm times.
3. Timer Function: Programmable timer for generating interrupt signals.
4. Clock Output: Programmable square-wave clock output with selectable frequency.
5. Low Power Consumption: Suitable for battery-operated devices.
6. I²C Bus Interface: Uses I²C interface for communication, which is commonly used in embedded systems for easy interfacing.
These features make the PCF2129AT suitable for use in various applications requiring precise timekeeping and calendar functions, such as data loggers, metering, and industrial control systems.
1. Timekeeping: Provides seconds, minutes, hours, day, weekday, month, and year information, with a leap year correction.
2. Alarm Function: Offers alarm functions with settable alarm times.
3. Timer Function: Programmable timer for generating interrupt signals.
4. Clock Output: Programmable square-wave clock output with selectable frequency.
5. Low Power Consumption: Suitable for battery-operated devices.
6. I²C Bus Interface: Uses I²C interface for communication, which is commonly used in embedded systems for easy interfacing.
These features make the PCF2129AT suitable for use in various applications requiring precise timekeeping and calendar functions, such as data loggers, metering, and industrial control systems.
Manufacturer
The PCF2129AT/2,518 is manufactured by NXP Semiconductors. NXP is a global semiconductor company headquartered in Eindhoven, Netherlands. It specializes in producing a wide range of semiconductor products, including microcontrollers, communication processors, and integrated circuits for various applications. NXP serves markets such as automotive, industrial, mobile, and Internet of Things (IoT), positioning itself as a leader in innovation and technology development in the semiconductor industry.
Application
The PCF2129AT/2,518 is a Real-Time Clock (RTC) module. Its application areas include timekeeping functions in consumer electronics, industrial devices, and communication equipment. It is commonly used in systems requiring accurate time and date tracking, such as digital cameras, televisions, clock radios, and networking devices. The RTC module is also applied in data loggers and metering equipment to maintain time during power interruptions, thanks to its low power consumption and battery backup capability. Additionally, it can be used in embedded systems and IoT devices where precise timekeeping is essential for scheduling tasks and timestamping events.
Package
The PCF2129AT/2,518 is a real-time clock (RTC) integrated circuit. It typically comes in a TSSOP (Thin Shrink Small Outline Package), which is a compact, surface-mounted package ideal for space-constrained applications.
