DS1342T+T&R Integrated Circuits (ICs)

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The DS1342T+T&R is a real-time clock/calendar with temperature-sensing capability. It is designed to provide an easy-to-implement, low-power solution for timekeeping and temperature measurement applications. This device is designed to maintain precise timekeeping and can resolve temperatures between -40°C and 85°C with a programmable resolution of 0.5°C. The DS1342T+T&R has a wide range of applications in industrial, automotive, avionics, medical and home automation fields.

The clock operates from a single 3.6V-5.5V supply. The time and date are maintained by a 32.768 kHz quartz watch crystal oscillator that has programmable frequency tolerance settings to accommodate variations in crystal parameters. This allows the clock to maintain highly accurate timekeeping in a variety of applications. In addition, the DS1342T+T&R can count up or down, set alarms, and generate interrupts which are triggered when certain conditions are met. It also includes tamper detection, environmental monitoring and a watchdog timer.

The DS1342T+T&R features variable power consumption modes; low power and active. When the low power mode is enabled, the clock is able to maintain time in long-term applications with batteries. When the active power mode is enabled, the system consumes more current but timekeeping accuracy is improved. The clock is also designed to support both 8-bit and 16-bit SPI clock interfaces, allowing for minimal power consumption.

The temperature-sensing capability of the DS1342T+T&R can be used to measure ambient temperature and also to detect changes in temperature. The device has a built-in 10-bit ADC and a programmable high and low temperature threshold. When temperatures exceed these limits, an interrupt is generated and the hardware continues to measure the temperature until the temperature returns to within the programmed range.

In addition to the temperature sensing capabilities, the DS1342T+T&R also features a programmable cycle counter. This feature allows users to track changes in temperature over time, while also detecting differences in temperature over long periods of time. This makes it ideal for applications such as climate control and energy management, where accurate temperature readings are needed.

Overall, the DS1342T+T&R is an attractive solution for applications requiring accurate timekeeping, temperature sensing or environmental monitoring. The device’s power-saving modes, coupled with its accuracy and robust feature set make it an ideal choice for a range of applications, including automotive, avionics, industrial, and medical.

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