AT27C516-45VC

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AT27C516-45VC is grouped as a memory device. It is manufactured by Atmel Corporation and has a wide range of applications.} According to their datasheet, it operates with a voltage range of 4.5V to 5.5V, and features a high speed access time of 45ns.

The core of AT27C516-45VC is based on the data EEPROM technology. The advantage of this technology over EPROMs or Flash memories is that data can be rewritten and stored in the device. The device is a 16Kx8 bit EPROM device with an organization of 16,384 words by 8 bits. It has an installed EEPROM node for data storage, and uses a 5V power supply and a 45ns access time to access data from memory.

The current carrying capability of AT27C516-45VC is also good. It is capable of delivering a current of up to 100mA per pin. In addition, the device features active low chip enable (CE) and output enable (OE) pins and a disable clock (DCLK) line.

The device also provides read protection, which helps protect stored information against unauthorized access. It has a protection voltage enable (PVE) pin that is supply-voltage dependent. This pin is used to enable the write protect circuit which allows the user to protect certain words or blocks of data in the device.

The AT27C516-45VC device also features erase/program switches to indicate whether the memory operates in the program or erase modes. The switches can be used to allow or control the device\'s write operations. The device includes one or more write control lines for programming and erasing functions. The timing for these operations is also controlled by on-chip clock generators.

The device uses byte-oriented functions for reading, writing and erasing. The instructions can be single byte, or multi-byte instructions. Most instructions are 8-bit, allowing for a maximum of 256 bytes of data to be stored.

This particular device also features on board Programmable Identification (PID) and Data Integrity Code (DIC) logic. The PID and DIC functions are designed to ensure data integrity. The PID flag is used to indicate that the data has been written/programmed correctly. The Data Integrity Code (DIC) is used to detect erasure of data while programming new data.

For certain applications, AT27C516-45VC may be equipped with a shadow write feature, which allows the writing of the data to a volatile page that is erased only when the device is powered down. The shadow write feature helps prevent data loss due to power interruption.

In conclusion, AT27C516-45VC is a versatile memory device that can be used in a wide range of applications, such as data logging, sensor logging, logging medical diagnostics, automotive and other industrial applications. As it offers a level of security and integrity of data, it is an ideal choice for such applications. Its 45ns access time, byte-oriented operations, programmable identification and data integrity codes make it even more suitable for critical applications.

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