PT7C4701HE

Overview

Category

PT7C4701HE belongs to the category of integrated real-time clock (RTC) modules.

Use

It is primarily used for timekeeping and synchronization purposes in various electronic devices.

Characteristics

• Integrated real-time clock module
• Accurate timekeeping and synchronization capabilities
• Low power consumption
• Small package size
• Wide operating temperature range

Package

PT7C4701HE is available in a compact surface mount package.

Essence

The essence of PT7C4701HE lies in its ability to provide accurate timekeeping and synchronization functionality in electronic devices.

Packaging/Quantity

PT7C4701HE is typically packaged in reels or trays, with a specified quantity per package.

Specifications and Parameters

The following are the specifications and parameters of PT7C4701HE:

• Operating voltage: 2.7V to 5.5V
• Timekeeping accuracy: ±2 minutes per month at 25°C
• Operating temperature range: -40°C to +85°C
• Supply current: <1µA in battery backup mode
• Clock frequency: 32.768kHz

Pin Configuration

The pin configuration of PT7C4701HE is as follows:

┌───┬───┐ │ 1 │ 8 │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ └───┴───┘

Functional Characteristics

PT7C4701HE offers the following functional characteristics:

• Real-time clock functionality
• Timekeeping and synchronization capabilities
• Battery backup mode for uninterrupted operation
• Alarm and timer functions
• Programmable square wave output

Advantages and Disadvantages

Advantages

• Accurate timekeeping
• Low power consumption
• Small package size
• Wide operating temperature range

Disadvantages

• Limited clock frequency options
• Lack of advanced features compared to some other RTC modules

Applicable Range of Products

PT7C4701HE is suitable for a wide range of electronic devices that require precise timekeeping and synchronization, such as:

• Smartphones
• Tablets
• Wearable devices
• Industrial equipment
• Automotive systems

Working Principles

PT7C4701HE utilizes an internal oscillator and a counter to keep track of time. It relies on an external crystal or ceramic resonator for accurate timekeeping.

Detailed Application Field Plans

PT7C4701HE can be used in various applications, including:

1. Mobile devices: Providing accurate timekeeping for scheduling and notifications.
2. IoT devices: Synchronizing data transmission and enabling time-based operations.
3. Automotive systems: Facilitating time-sensitive functions like event logging and scheduling.
4. Medical equipment: Ensuring precise timing for critical operations and measurements.
5. Industrial automation: Coordinating time-dependent processes and synchronization.

Detailed Alternative Models

Some alternative models to PT7C4701HE include:

• DS3231
• PCF8563
• MCP7940N
• RV-8803-C7
• RX8130CE

5 Common Technical Questions and Answers

1. Q: What is the operating voltage range of PT7C4701HE? A: PT7C4701HE operates within the voltage range of 2.7V to 5.5V.

2. Q: Can PT7C4701HE operate in extreme temperatures? A: Yes, PT7C4701HE has a wide operating temperature range of -40°C to +85°C.

3. Q: Does PT7C4701HE require an external crystal for timekeeping? A: Yes, PT7C4701HE relies on an external crystal or ceramic resonator for accurate timekeeping.

4. Q: What is the power consumption of PT7C4701HE in battery backup mode? A: PT7C4701HE consumes less than 1µA of current in battery backup mode.

5. Q: Can PT7C4701HE generate programmable square wave output? A: Yes, PT7C4701HE offers a programmable square wave output feature.

(Word count: 609)