RX-8581SA:B

Product Overview

Category

The RX-8581SA:B belongs to the category of electronic components.

Use

It is primarily used for timekeeping and real-time clock (RTC) applications.

Characteristics

• High precision timekeeping
• Low power consumption
• Compact size
• Reliable performance

Package

The RX-8581SA:B comes in a small surface mount package.

Essence

The essence of this product lies in its ability to accurately keep track of time and provide real-time clock functionality.

Packaging/Quantity

The RX-8581SA:B is typically packaged in reels or trays, with a quantity of 1000 units per reel/tray.

Specifications

• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Timekeeping Accuracy: ±3 minutes per year
• Backup Battery Voltage: 1.8V to 5.5V
• Current Consumption: 0.35μA (typical)

Detailed Pin Configuration

The RX-8581SA:B has the following pin configuration:

1. VCC: Power supply input
2. GND: Ground connection
3. SDA: Serial data line
4. SCL: Serial clock line
5. SQW/INT: Square wave output/interrupt output

Functional Features

• Real-time clock with calendar functionality
• Alarm and timer functions
• Automatic leap year adjustment
• Battery backup for timekeeping during power loss
• I2C interface for communication with microcontrollers

Advantages and Disadvantages

Advantages

• High accuracy timekeeping
• Low power consumption extends battery life
• Small form factor allows for easy integration
• Versatile functionality with alarm and timer features

Disadvantages

• Limited timekeeping accuracy compared to more advanced RTCs
• Lack of additional features found in higher-end models

Working Principles

The RX-8581SA:B utilizes a quartz crystal oscillator to generate precise clock signals. It maintains accurate timekeeping by counting the oscillations of the crystal and adjusting for any drift. The backup battery ensures uninterrupted operation during power outages.

Detailed Application Field Plans

The RX-8581SA:B finds applications in various fields, including:

1. Consumer electronics: Used in digital watches, clocks, and home appliances.
2. Automotive: Integrated into car dashboard displays and infotainment systems.
3. Industrial automation: Employed in programmable logic controllers (PLCs) and industrial timers.
4. Medical devices: Utilized in patient monitoring systems and medical equipment with time-sensitive functions.

Detailed and Complete Alternative Models

1. RX-8581SB:C - Offers improved timekeeping accuracy of ±1 minute per year.
2. RX-8581SC:D - Provides additional features such as temperature compensation and extended operating temperature range.

Note: This is not an exhaustive list, and there may be other alternative models available in the market.

In conclusion, the RX-8581SA:B is a reliable and compact real-time clock component that offers high precision timekeeping and low power consumption. Its versatile functionality and wide range of applications make it a popular choice in various industries.