PT7C4050LE

Overview

Category

PT7C4050LE belongs to the category of integrated circuits (ICs).

Use

PT7C4050LE is commonly used as a real-time clock (RTC) in various electronic devices.

Characteristics

• Package: PT7C4050LE is available in a small outline package (SOP).
• Essence: It provides accurate timekeeping and calendar functions.
• Packaging/Quantity: The PT7C4050LE is typically sold in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications and Parameters

The following are the specifications and parameters of PT7C4050LE:

• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Timekeeping Accuracy: ±3 minutes per month at 25°C
• Clock Frequency: 32.768 kHz
• Battery Backup Voltage: 1.3V to 5.5V

Pin Configuration

The pin configuration of PT7C4050LE is as follows:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | VCC | Power supply voltage input | | 2 | GND | Ground | | 3 | SDA | Serial data input/output | | 4 | SCL | Serial clock input |

Functional Characteristics

PT7C4050LE offers the following functional characteristics:

• Real-time clock with calendar functions
• Programmable alarm and interrupt functions
• Battery backup for timekeeping during power loss
• I2C interface for communication with other devices

Advantages and Disadvantages

Advantages: - Accurate timekeeping and calendar functions - Low power consumption - Small form factor

Disadvantages: - Limited temperature range (-40°C to +85°C) - Relatively low timekeeping accuracy compared to some other RTCs

Applicable Range of Products

PT7C4050LE is suitable for use in a wide range of electronic devices, including but not limited to: - Consumer electronics - Industrial equipment - Automotive applications - Medical devices

Working Principles

PT7C4050LE utilizes an internal oscillator and counter circuitry to keep track of time. It relies on an external crystal oscillator for accurate timekeeping. The device communicates with the host system through the I2C interface.

Detailed Application Field Plans

PT7C4050LE can be used in various applications, such as: 1. Smartwatches: Providing accurate timekeeping and calendar functions. 2. Home automation systems: Scheduling events and controlling devices based on real-time clock information. 3. Data loggers: Timestamping data for analysis and synchronization purposes. 4. Automotive dashboard displays: Displaying accurate time and date information. 5. Medical monitoring devices: Time-stamping vital signs and events for medical records.

Detailed Alternative Models

Some alternative models to PT7C4050LE include: - DS1307 - PCF8563 - MCP7940N - RV-8803-C7 - ISL12022M

5 Common Technical Questions and Answers

1. Q: What is the operating voltage range of PT7C4050LE? A: PT7C4050LE operates within a voltage range of 2.7V to 5.5V.

2. Q: Can PT7C4050LE keep accurate time during power loss? A: Yes, PT7C4050LE has battery backup capability to maintain timekeeping during power loss.

3. Q: What is the timekeeping accuracy of PT7C4050LE? A: PT7C4050LE has a timekeeping accuracy of ±3 minutes per month at 25°C.

4. Q: How does PT7C4050LE communicate with other devices? A: PT7C4050LE uses the I2C interface for communication with other devices.

5. Q: What is the package type of PT7C4050LE? A: PT7C4050LE is available in a small outline package (SOP).

This encyclopedia entry provides an overview of PT7C4050LE, including its category, use, characteristics, specifications, pin configuration, functional characteristics, advantages and disadvantages, applicable range of products, working principles, detailed application field plans, alternative models, and common technical questions and answers.