PT7C5009AL5-2DE

Overview

Category

PT7C5009AL5-2DE belongs to the category of integrated circuits (ICs).

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

PT7C5009AL5-2DE is available in a compact surface mount package.

Essence

The essence of this product lies in its ability to provide accurate timekeeping functionality in electronic devices.

Packaging/Quantity

PT7C5009AL5-2DE is typically packaged in reels and comes in quantities of 1000 units per reel.

Specifications and Parameters

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

Pin Configuration

The pin configuration of PT7C5009AL5-2DE is as follows:

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

Functional Characteristics

PT7C5009AL5-2DE offers the following functional characteristics:

• Real-time clock with calendar functionality
• Alarm and timer features
• Battery backup for timekeeping during power loss
• I2C interface for communication with microcontrollers

Advantages and Disadvantages

Advantages

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

Disadvantages

• Limited timekeeping accuracy compared to more advanced RTCs
• Requires an external battery for backup power

Applicable Range of Products

PT7C5009AL5-2DE is suitable for use in a wide range of electronic devices that require accurate timekeeping, such as:

• Smartphones
• Tablets
• Wearable devices
• Home appliances
• Industrial equipment

Working Principles

This product utilizes an internal oscillator and a counter to keep track of time. The oscillator generates a 32.768 kHz clock signal, which is divided down to provide the desired timekeeping accuracy. The counter keeps track of the number of seconds, minutes, hours, days, months, and years.

Detailed Application Field Plans

PT7C5009AL5-2DE can be applied in various fields, including:

1. Mobile Devices: Providing accurate timekeeping for scheduling and synchronization purposes.
2. Automotive: Enabling precise time display and event logging in vehicles.
3. Medical Equipment: Facilitating accurate timing for medical procedures and data recording.
4. IoT Devices: Supporting synchronized operations and data logging in connected devices.
5. Industrial Automation: Ensuring accurate timekeeping for process control and event sequencing.

Detailed Alternative Models

Some alternative models to PT7C5009AL5-2DE include:

• DS3231
• PCF8563
• MCP7940N
• RV-8803-C7
• ISL1208

5 Common Technical Questions and Answers

1. Q: What is the operating voltage range of PT7C5009AL5-2DE? A: The operating voltage range is 1.8V to 5.5V.

2. Q: Can PT7C5009AL5-2DE operate in extreme temperatures? A: Yes, it can operate in a temperature range of -40°C to +85°C.

3. Q: What is the timekeeping accuracy of PT7C5009AL5-2DE? A: The timekeeping accuracy is ±2 minutes per month.

4. Q: Does PT7C5009AL5-2DE require an external battery for backup power? A: Yes, it requires an external battery to maintain timekeeping during power loss.

5. Q: What interface does PT7C5009AL5-2DE use for communication with microcontrollers? A: It uses the I2C interface for communication.

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