DS1265AB-100+

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The DS1265AB-100+ is a low-voltage, electronic nonvolatile RAM for personal-computer electromechanical systems. It is used in a wide range of applications, from nuclear power plants and wind turbines to home security systems and portable medical devices. The memory chip efficiently stores and retrieves data and is used to provide a nonvolatile store for information such as calibration constants, passwords, and application parameters.

The design of the DS1265AB-100+ features a wide supply voltage range of 2.7 to 5.5 V, allowing it to be used in a wide variety of different power supplies, such as those present in desktop and embedded systems. It can also be used in automotive, avionics, and military applications where a low-voltage, secure and highly reliable storage medium is needed.

The DS1265AB-100+ is designed with a long data retention and low-power, standby mode, offering extended battery life in portable applications. Its fast access times of 50 ns – 1 µs allow for fast access to stored information. This also eliminates the need for buffering and memory mapping, resulting in improved system performance.

The memory chip has 64 Kbits of nonvolatile, nonconsumable, volatile RAM, divided into two banks of 32 Kbits each. Both banks can be written to and read from using two different access buses. The first bank is used to store the application code, while the second bank is used to store parameters and other data. The EEPROM versions of the chip offer additional features, such as write-protection for each bank, ensuring data security.

The DS1265AB-100+ operates on either an 8-bit or 16-bit wide data bus, and can be used in either asynchronous or synchronous communications. The EEPROM versions of the chip are capable of controlling up to 64K bits of memory, and have an additional configure word which can be used to program the device for proper boot operation. They also feature a built-in self-test, which can be used to detect and fix memory errors.

The DS1265AB-100+ is used in a variety of applications, ranging from automotive and industrial control systems to home automation and security. It is also used in a variety of medical devices, providing a low-voltage, highly reliable storage medium. Its wide power supply range and long data retention make it ideal for applications requiring a secure, long-term data storage solution.

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