72V255LA20TF8

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Logic - FIFOs Memory is a type of memory device that is commonly used in computer systems. It stands for First-In, First-Out (FIFO) memory and provides for fast and efficient transfer between two memories. The basic design behind this type of technology is that it stores data in a first-in, first-out manner, meaning that the data stored in the memory is retrieved in the same order as it was stored. There are different types of FIFO memory available, but one of the most popular types is the 72V255LA20TF8.

The 72V255LA20TF8 is a 3.3V 256Kx36 synchronous FIFO memory device with a burst read capability. It is available in a PQFP package and operates over a range of temperatures from 0°C to >70°C. It includes a write pointer, read pointer, and full/empty flags that provide status of the memory. It also has power-on reset circuitry and a dual clock allowing for a full page or single word read or write.

The 72V255LA20TF8 is widely used in a variety of applications. It is mainly used in the communications industry to provide a reliable, high speed storage and retrieval of data. For example, it is used in V.90 modems to store incoming data from multiple users in order to ensure it is sent out in a first-in, first-out manner. Additionally, the 72V255LA20TF8 is also used in high-end digital processing systems for archival applications and image processing.

The working principle of the 72V255LA20TF8 is quite simple. The device is powered up and initialized via the asynchronous reset signal. When both the write clock (WCK) and read clock (RCK) are low, data is written into the device via the Data-In (DI) pin when the write enable (WE) signal is high. Simultaneously, the read operation begins from the memory when the read control signal (RDS) is high. As each byte is read, the read pointer is incremented automatically and the data is outputted via the Data-Out (DO) pin.

Once the read pointer is equal to the write pointer, indicating an empty buffer, the empty flag (LM) is set and whenever the device is filled with data the full flag (LMFN) will be set. If a full device is being read from, the data in the buffer will be shifted out in a first-in, first-out fashion until the full flag is reset again. This is the basic operation of the 72V255LA20TF8 FIFO memory device.

In conclusion, the 72V255LA20TF8 3.3V 256Kx36 synchronous FIFO memory device is a versatile device that is used in a wide range of applications. It is a high-speed storage and retrieval device that provides a reliable first-in, first-out memory system and is available in a PQFP package. Through its power-on reset circuitry and dual clock, the 72V255LA20TF8 can complete a full page or single word read or write, making it suitable for various digital processing systems and communication applications.

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