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Name: PCF2129AT/2,518
Brand: NXP USA Inc.
SKU: PCF2129AT/2,518
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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NXP USA Inc. PCF2129AT/2,518

Part No.:: PCF2129AT/2,518

Manufacturer:: NXP USA Inc.

Package:: 20-SOIC (0.295, 7.50mm Width)

Datasheet:: PCF2129AT/2,518.pdf

Description:: IC RTC CLK/CAL I2C/SPI 20-SOIC

In Stock:: 3213

Quantity:: Add To Cart

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PCF2129AT/2,518 Specifications

Package/Case:
20-SOIC (0.295, 7.50mm Width)
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®,Bulk
Series:
-
ProductStatus:
Active
Type:
Clock/Calendar
Features:
Alarm, Leap Year, Square Wave Output, TCXO/Crystal, Watchdog Timer
MemorySize:
-
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

PCF2129AT/2,518 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including PCF2129AT/2,518 price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for PCF2129AT/2,518 to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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PCF2129AT/2,518 information

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PCF2129AT/2,518 Typical application Circuitry

PCF2129AT 2,518

The PCF2129AT/2,518 is a real-time clock (RTC) and calendar chip, integrated with a quartz crystal and a Temperature Compensated Crystal Oscillator (TCXO). It's designed for a wide range of applications where accurate timekeeping is crucial, such as in data loggers, servers, telematics, and industrial control systems.

Application Scenarios: This chip is ideal for applications that require high accuracy, low power consumption, and a wide operating temperature range. It's often used in:

1. Data Logging Systems: Where accurate time-stamping of events is critical.

2. Server Timekeeping: To maintain server clock accuracy for network synchronization.

3. Industrial Control Systems: For time-sensitive automation and control processes.

4. Telematics: In vehicle tracking and monitoring systems.

PCF2129AT/2,518 Key Parameters and Features:

1. High Accuracy: The integrated TCXO ensures precise timekeeping.

2. Low Power Consumption: Designed with battery-powered devices in mind.

3. Wide Temperature Range: Functionality across diverse environmental conditions.

4. I2C-Bus Interface: For easy integration with microcontrollers.

5. Programmable Alarm and Timer Functions: Adds versatility to its use in various applications.

Detailed Circuit Connection Example:

Consider the application in a Data Logging System. Here's a detailed connection guide:

1. Power Supply Connection: Connect the VDD pin of the PCF2129AT/2,518 to a 3.3V power supply. This ensures stable operation.

2. I2C Communication: Attach a microcontroller's SDA (Serial Data) and SCL (Serial Clock) pins to the appropriate I2C bus lines. This facilitates data transfer.

3. Battery Backup: Connect a backup battery to the VBAT pin. This keeps the clock running in case of a power failure.

4. Oscillator Circuit: The XTAL1 and XTAL2 pins are internally connected to the quartz crystal. No external components are needed here.

5. Alarm Function: If utilizing the alarm feature, connect the INT pin to an interrupt input on the microcontroller. This enables the system to respond to alarm triggers.

PCF2129AT/2,518 Design Considerations:

1. Power Management: Ensure minimal power consumption, especially in battery-operated systems.

2. Interference Protection: Use proper decoupling and shielding techniques to protect against electromagnetic interference.

3. I2C Bus Integrity: Maintain appropriate pull-up resistors on the I2C lines to ensure reliable communication.

4. Temperature Effects: Consider the operating temperature range and its impact on the RTC accuracy.

Please keep in mind that this article focuses on providing accurate, relevant and detailed information about thePCF2129AT/2,518chip, its application scenarios, key parameters, detailed circuit connection examples and design considerations.

PCF2129AT/2,518 FAQ

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6. What is the process for return or replacement of PCF2129AT/2,518?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the PCF2129AT/2,518 we delivered, we will accept the replacement or return of the PCF2129AT/2,518 only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of PCF2129AT/2,518.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations