DS17887-5IND

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The DS17887-5IND is a real-time clock module with an onboard RTC/NVRAM chip. It is a low-power, highly accurate clock module that has become popular with embedded system designers. It is a standard form factor clock module that is easy to integrate into new or existing designs.

Description

The DS17887-5IND is a real-time clock module with an onboard RTC/NVRAM chip. It uses an industry-standard lithium manganese dioxide battery for backup power and for data retention. The chip is both a real-time clock, which tracks the time and date to a resolution of one second, and a non-volatile RAM, which can be used to store data. The backup battery ensures that the clock keeps time even when the system is powered down. The module is designed to use minimal power and can easily be integrated into most embedded systems.

Features

• Accurate timekeeping due to integrated oscillator
• Simple installation and integration
• Low power consumption
• Onboard 512K Non-Volatile RAM
• Onboard battery backup
• Compatible with industry standard RTC connections
• Wide variety of output options (I2C, SPI, etc.)

Application Field

The DS17887-5IND is a common choice for embedded system designs that rely on accurate timekeeping. It is perfect for applications where an integrated oscillator is required for timekeeping without the need for additional components. Some of the common uses include:

• Automated control systems
• Digital signage systems
• Industrial process control systems
• Security systems
• Networking applications

Working Principle

The DS17887-5IND uses an onboard RTC/NVRAM chip to support its timekeeping and non-volatile memory functions. The chip is connected to a quartz crystal oscillator and is programmed to count the pulses of the crystal to keep track of time. The quartz crystal oscillator keeps time accurately, and the RTC chip converts the information into data that can be read by the system. The onboard battery provides backup power for the chip, ensuring that the time and data stored in the chip remain valid even when the system is powered down.

The DS17887-5IND provides a variety of output options, including I2C, SPI, and others. These output options allow the clock module to be easily integrated into existing hardware designs, as well as allowing for access to the data stored in the onboard non-volatile RAM. The module also provides a variety of control options for setting the time and data, allowing it to be customized to fit a wide range of applications.

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