AT27C040-15PC

Memory is a type of hardware components used to store and restore digital data, which is indispensable for the operation of computer systems. In the storage of digital data, various types of memories play different roles, and AT27C040-15PC as one of the new memories, also has its irreplaceable superiority. This article mainly introduces the application field and working principle of AT27C040-15PC.

AT27C040-15PC is a 40-pin EPROM that has a 4M bit capacity for nonvolatile and a 32-bit data bus for data input/output. It has a 16-bit data width, which is able to store 16-bit values. It works at 5V power supply and can operate in industrial temperature range from -55℃ to +125℃. It is mainly used in consumer electronics, automotive devices and industrial control, and it is usually used as Firmware ROM.

As a Firmware ROM, AT27C040-15PC is mainly used to store your application code or program, and its working principle is mainly divided into two parts. First, the address portion is used to select data. In assuming the address of the previously accessed location is A, when A+1 is accessed, then 9T cycle period is required to access the next memory location. The second part is data output. After the address is specified, the output amplitude at the output enable pin will be equal to V DD with a maximum read road current of ±20mA.

AT27C040-15PC significantly reduces system development time in consumer electronics, automotive devices and industrial control, mainly because it has an erase window of 150ms, making it quick and easy to design applications. In addition, it can work in the industrial temperature range from -55℃ to +125℃, so it masters an advantage in terms of wide temperature range.

In conclusion, AT27C040-15PC is a 40-pin EPROM. With a 16-bit data width and capacity for nonvolatile, it works at 5V power supply and can operate in industrial temperature range from -55℃ to +125℃. As a Firmware ROM, it is mainly used to store application code or program. With a special address selection function and output enable pin, AT27C040-15PC can write and read data quickly and easily. The wide temperature range operation gives it a significant advantage in its application field, which is mainly in consumer electronics, automotive devices and industrial control.