AT27C2048-90JI

AT27C2048-90JI Memory

The AT27C2048-90JI is a non-volatile memory device, commonly used in various industrial, automotive, and medical applications. It is a 128K ROM chip that has a low power consumption and a fast read speed. This device is commonly used for data storage in small-scale applications where long-term data retention is not needed.The AT27C2048-90JI is a single package device with 2048 words (128kbits) of data storage. It supports an erasing voltage of 12.5v for its programming voltage. It can also be programmed in a one-time programmable mode for applications that require permanent data storage.The device\'s core consists of a ROM array, an address decoder and a sense amplifier. The ROM array is made up of 256 words per unit, and each word is 8 bits wide. It is organized into rows and columns, and each column contains 256 words. The address decoder is responsible for decoding the address input, and then converting it into row and column values. The sense amplifier amplifies the signals of each row and column to produce an output.The AT27C2048-90JI has two modes of operation. The normal operation mode is used when the device is in a non-erasing state. In this mode, the output of the address decoder is used to control the read address of the data. The programmable operation mode is used when the device is in an erasing state. In this mode, the address decoder is used to control the erasing address of the data.The AT27C2048-90JI is a versatile device and is well-suited for a variety of applications. It is commonly used for storage of data in industrial and medical equipment as well as automotive applications. It is also used for key storage and authentication, and can also be used as a control register.In summary, the AT27C2048-90JI is an ideal memory device for applications that require a low-cost and low-power solution with fast read access and long data retention. Its two operation modes make it suitable for a wide range of applications, and its non-volatile nature ensures that data is not lost in power outages.