PT7C5009AL4-2DE

Overview

Category

PT7C5009AL4-2DE belongs to the category of integrated circuits.

Use

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

Characteristics

• High accuracy timekeeping
• Low power consumption
• Small form factor
• Wide operating voltage range

Package

PT7C5009AL4-2DE is available in a compact surface mount package.

Essence

The essence of this product lies in its ability to accurately keep track of time and provide timing information to electronic systems.

Packaging/Quantity

PT7C5009AL4-2DE is typically packaged in reels or trays, with a quantity of 2500 units per reel/tray.

Specifications and Parameters

• Operating Voltage: 1.8V - 5.5V
• Timekeeping Accuracy: ±2 minutes per month
• Operating Temperature Range: -40°C to +85°C
• Supply Current: 0.6μA (typical)
• Clock Output Frequency: 32.768kHz

Pin Configuration

The pin configuration of PT7C5009AL4-2DE is as follows:

| Pin Number | Pin Name | Function | |------------|----------|----------| | 1 | VCC | Power supply voltage input | | 2 | GND | Ground | | 3 | SDA | Serial Data Line | | 4 | SCL | Serial Clock Line |

Functional Characteristics

PT7C5009AL4-2DE offers the following functional characteristics:

• Real-time clock with calendar function
• Alarm and timer functions
• Programmable square wave output
• Battery backup for timekeeping during power loss

Advantages and Disadvantages

Advantages

• High accuracy timekeeping
• Low power consumption
• Compact size
• Wide operating voltage range

Disadvantages

• Limited temperature range (-40°C to +85°C)
• Relatively low clock output frequency

Applicable Range of Products

PT7C5009AL4-2DE is suitable for use in a wide range of electronic devices, including but not limited to: - Smartphones - Tablets - Wearable devices - Industrial control systems - Automotive electronics

Working Principles

The working principle of PT7C5009AL4-2DE involves the use of an internal oscillator and a counter to keep track of time. The device receives power from the VCC pin and communicates with the host system through the SDA and SCL pins.

Detailed Application Field Plans

PT7C5009AL4-2DE can be applied in various fields, such as:

1. Mobile Devices: Providing accurate timekeeping for scheduling and event management.
2. Industrial Control Systems: Time synchronization for process control and data logging.
3. Automotive Electronics: Clock functionality for dashboard displays and infotainment systems.
4. Wearable Devices: Timekeeping for fitness trackers and smartwatches.
5. Home Automation: Timing functions for controlling lights, appliances, and security systems.

Detailed Alternative Models

Some alternative models to PT7C5009AL4-2DE include:

• DS3231
• PCF8563
• MCP7940N
• RV-8803-C7
• ISL12022M

5 Common Technical Questions and Answers

1. Q: What is the operating voltage range of PT7C5009AL4-2DE? A: The operating voltage range is 1.8V to 5.5V.

2. Q: What is the timekeeping accuracy of this RTC? A: The timekeeping accuracy is ±2 minutes per month.

3. Q: Can PT7C5009AL4-2DE operate in extreme temperatures? A: Yes, it can operate in a temperature range of -40°C to +85°C.

4. Q: Does this RTC have an alarm function? A: Yes, it has an alarm and timer function.

5. Q: What is the clock output frequency of PT7C5009AL4-2DE? A: The clock output frequency is 32.768kHz.

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