DS1511Y+

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The DS1511Y+ is a real-time clock device designed and manufactured by Dallas Semiconductor. With its high accuracy and stability timekeeping capabilities, this device can be used in a variety of applications that rely on accurate timing signals. It is ideal for application such as data collectors, remote controllers, embedded systems, wireless systems, network appliances, and various industrial control systems.

The DS1511Y+ utilizes a multi-stage time base that is regulated by a 32.768kHz watch crystal oscillator. This oscillator is calibrated to within a few parts-per-million (ppm) over the operating temperature range of -40°C to +85°C, allowing for highly precise timekeeping over a wide range of operating conditions. The device can be used to provide interrupt signals for specific timing periods that can be programmed between 1 second and 24 hours. The DS1511Y+ also includes an internal 512-byte protected RAM for storing system data or additional real-time clock functions.

The DS1511Y+ can be programmed to output various timing signals through its I/O pins. These include the External Interrupt (EINT) signal, which is a regular pulse that can be programmed to occur between 1 second and 24 hours. There is also the Time-out Interrupt (TOINT) signal, which is an interrupt that occurs when the programmed timer reaches zero. It is a useful signal for power management and safety applications. The Real Time Clock Output (RTCOUT) signal is a 1 second pulse that is used to synchronize other parts of the system.

The DS1511Y+ is powered by 3.0V to 5.5V, and is designed to operate over a wide set of temperature ranges. This extreme flexibility makes it an ideal choice for designers who need an accurate and stable real-time clock with a wide array of programming capabilities. The DS1511Y+ is also available in a space-saving 10-pin SOIC package, which makes it easy to integrate into existing designs without the need for more expensive components.

The DS1511Y+ is a versatile real-time clock with outstanding performance and accuracy over a wide temperature range. With its programmable I/O pins and 512 bytes of protected RAM, it is well suited for a variety of applications that require precise timing signals and additional data storage. Its 10-pin SOIC package also makes for easy integration into existing systems.

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