IDT72T2098L4BB

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Logic - FIFOs Memory IDT72T2098L4BB application field and working principle

The IDT72T2098L4BB is a FIFO memory logic device based on the low-power CMOS process developed by Integrated Device Technology. It is used to transfer data stream real-time and synchronizes two independent or asynchronous clocks in a simple, low cost and reliable manner, so it is widely applied in electronics, digital switching and many other devices.

The IDT72T2098L4BB FIFO (First In First Out) memory device is a dual port memory, which is composed of two independent memories, an array of address registers and an array of identical length. It can accept and stores multiple data structures under certain working conditions. When the data is written into the FIFO by one port, the stored data can be read from the other port in sequence. It supports up to 181 depth levels, and its maximum throughput is 3.2 Gbps. To ensure that the data will not be lost in the process of transferring, the IDT72T2098L4BB FIFO has dual clock inputs and separate control registers, which can automatically adjust the transfer speed to reduce power consumption.

Application fields of IDT72T2098L4BB FIFO

As a dual port data transfer device, IDT72T2098L4BB is widely used in digital switching, multi-CPU system, peripheral devices of microcontroller and other fields. As the FIFO can improve the transfer performance of data, it is widely used in digital audio and video applications, such as digital television, hard disk recording systems, digital transmission systems, multimedia systems, etc.

Working principle of IDT72T2098L4BB FIFO

IDT72T2098L4BB has two ports, A and B, and each port can enable four write enable signals and four read enable signals. It can accept data from port A and B separately, and output data from the same port. The write enable signals used in port A and B can be ASEN0-ASEN3 and BISENO-BSEN3, which means if one bit of them is 1, the corresponding write enable signal is enabled, otherwise it is disabled. When data is written into the FIFO by one port, the write enable signal is set to 1. The write enable signals of the two ports control the direction of data input/output separately. And the data stored in the FIFO can only be read by using its read enable signals (i.e. BREAD0-BREAD3, AREADO-AREAD3).

When data is output from the FIFO, its pointer will move forward at the same time. When data input is finished or the FIFO is full, the pointer will not move forward. The dual clock inputs can work as a lock for synchronizing the reset and read enable of the FIFO. The enable signal decides when the data is transferred from port A to port B and from port B to port A. The enable signal can be adjusted by different buttons or call-up commands that the FIFO is suitable for implementation with different access mechanisms and speeds.

IDT72T2098L4BB FIFO device is a low-power CMOS process and low power consumption application device. It provides a cost effective solution, while ensuring performance stability and data security. It is designed to solve the problem of asynchronous data transmission, thus providing reliable and effective data transfer solutions.

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