The DS1747-70+ is an integrated circuit (IC) component manufactured by Maxim Integrated. It is a non-volatile static random-access memory (NVRAM) with a real-time clock (RTC) functionality. This IC presents several key features that make it suitable for various applications that require reliable and accurate timekeeping along with non-volatile data storage.
Here are the key features of the DS1747-70+:
1. Non-volatile Memory: The DS1747-70+ combines a 32k x 8 SRAM with an integrated lithium energy source to retain data even during power loss or system failure.
2. Real-time Clock: The IC includes an on-chip RTC with an oscillator circuitry, which enables the device to provide accurate timekeeping even when the system is not powered.
3. Battery Backup Switching: It features circuitry to automatically switch between the lithium energy source and an external power supply during power failure, ensuring continuous operation and data integrity.
4. Automatic Power-Fail Detect and Switch Circuitry: The DS1747-70+ detects power outages and automatically switches to the lithium energy source, allowing the IC to operate in battery backup mode seamlessly.
5. Low Power Consumption: This IC is designed to minimize power consumption, making it suitable for applications that require extended battery life.
6. Serial Interface: It utilizes a simple serial interface to communicate with a microcontroller or other external devices, allowing easy integration into existing systems
