DS17485E-5

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The DS17485E-5 is a real-time clock from Maxim Integrated, based on the industry-standard integrated circuit (IC) type. This chip is specifically designed for applications requiring a low-power consuming, extremely accurate clock and timing device. The DS17485E-5 is most commonly used to time power-on/power-off events, set up timestamps, and track time-out periods, but it is also used in a wide range of applications.

The DS17485E-5 clock is designed to measure and store date and time, regardless of power on/off cycles. It has a CMOS/TTL compatible three wire interface, a low standby current and a low operating voltage. The DS17485E-5 is also a low-cost and highly accurate device, operating over a wide temperature range, and with a real-time clock resolution of one second.

The DS17485E-5 real-time clock (RTC) utilizes a built-in quartz crystal and two programmable counters to keep accurate time. The 32.768 KHz oscillator is coupled to the two counters to generate different rates of timekeeping periods. For example, one of the counters may be programmed to increment at 1 Hz, generating a square wave for use as a system or system board clock. The other counter can be used as a timebase for microprocessor interrupts, or to measure elapsed time.

The chip also provides wide temperature operating range and lower supply voltage applications, as well as outputs of three square-wave outputs, two time-out outputs, and a toggle output. The outputs can be selected and configured using external circuitry to provide the specific combination and timing desired in the application. The outputs can be read, updated, and reset together, allowing all outputs to be updated synchronously, or can be managed independently for more complex applications.

The DS17485E-5 includes a wide range of features, including interrupt and watchdog timer, oscillator start-up and reset options, programmable output polarity, and power-fail detection. These features provide the flexibility and reliability needed to be used in a variety of applications. It also enables designers to have an extremely accurate and reliable source of time that can accurately keep time regardless of power cycles and environmental conditions.

The DS17485E-5 is designed to be used in clocks, alarms, reminders, time management systems, authentication, logging, and monitoring systems. It is also used in a wide range of digital signal processors, microcontrollers, and embedded systems where accurate timing is required. It can be used to provide system or board level timing for communication and data acquisition systems, and for other systems requiring accurate timekeeping.

The DS17485E-5 device is especially well-suited for applications where accurate timekeeping is needed, but with a minimum amount of power consumption. It is a reliable and low-cost way of adding a standard and reliable RTC to any system. It provides accuracy at temperatures from -40°C to +85°C, and has an industry-standard 3-wire interface. The ability to read, write, and reset its outputs makes it easy to integrate with almost any system.

The DS17485E-5 real-time clock is a reliable and robust device based on industry-standard integrated circuit technology. With its various features and wide temperature operating range, it is an ideal choice for accurate timekeeping applications. It is used in a wide range of products, including those that require low power consumption and those that require extremely accurate timekeeping. Its three wire interface makes it a straightforward choice for integration into any system where accurate timekeeping is needed.

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