SST39VF400A-70-4I-EKE-T

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Memory holds a special place in the world of technology because of its ability to store and retrieve data. SST39VF400A-70-4I-EKE-T, a type of memory, has been widely used in various applications due to its wide range of features. This article will provide insight into the application field and working principle of SST39VF400A-70-4I-EKE-T.

SST39VF400A-70-4I-EKE-T is a type of Static Random Access Memory (SRAM) made by SST (formerly Silicon Storage Technology). It is a non-volatile memory that is used in various applications like embedded systems, aircraft communication systems, automobiles, automatic test equipment, and industrial control applications.

The SST39VF400A-70-4I-EKE-T is a 4Mb SRAM chip composed of 256K×16 bits of asynchronous SRAM. It features a max Operating Frequency of 70MHz and a Max Supply Voltage of 4.5V and operates on a single 4Mhz clock cycle. It has an access time of 70ns and a high-speed LVTTL compatible2.5V I/O interface. It also has a built-in self-timed write cycle with auto-precharge and Programmable Output Enable. SST39VF400A-70-4I-EKE-T also has an Enhanced Data Retention Mode with the programmable Data Retention Time.

The working of SST39VF400A-70-4I-EKE-T is based on the Static random access Memory (SRAM). SRAM is a type of Non-Volatile Memory that uses no clock signals and can operate continuously in an active/idle state. It consists of four transistors connected in pairs to form a flip-flop circuit. A logical High value on a data line is stored in the flip-flop circuit and can be retained for a short period of time even when the power is turned off. To read the data from the memory, a control line called the Address Bus is used to select the address of the data to be read. Once the address has been selected, the data can be transferred from the memory to the microprocessor. The data can be written to the memory using the Write Enable line which, when activated, allows data to be written into the selected address.

SST39VF400A-70-4I-EKE-T is an ideal choice for embedded system applications because its 70MHz operating frequency ensures quick read/write operations and its 4.5V supply voltage ensures stable operation even in harsh environments. Its Programmable I/O interface is also useful in applications such as aircraft communication systems and industrial control systems, where the read/write speed is critical. Moreover, its enhanced data retention mode ensures that the data stored in the memory remains safe even when the power is turned off. With its wide range of features, SST39VF400A-70-4I-EKE-T is a versatile and reliable memory chip suitable for a wide range of applications.

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