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Memory

BR24T256FV-WE2 is a 16 megabit static random-access memory chip (SRAM) produced by EPCOS, a division of TDK Corporation. It is based on the industry-standard dual in-line-package (DIP) format, and its memory array is divided into four separate 16Mbit banks with individual chip-select pins. The chip has a maximum operating frequency of up to 75MHz, and uses the 3.3V power supply. Its 55ns access time and fast write cycle time allow high speed operation in embedded applications such as printers, digital projectors, and industrial controllers.

Application Field

Due to its enhanced features, BR24T256FV-WE2 is suitable for SBCs (Single Board Computers) that require a fast and reliable non-volatile memory. It is widely used in embedded systems, such as industrial controllers, printers, and digital projectors, as well as other large-scale embedded applications such as navigation systems and HDTV receivers.

The BR24T256FV-WE2 SRAM can also be used in industrial controllers and medical devices, such as pacemakers and image-guided medical systems, that require low power consumption and a high degree of data security. Its low address latency also makes it suitable for medical and industrial applications, where fast access time is required.

Working Principle

The BR24T256FV-WE2 SRAM is a dual-port device, which means that data can be read from or written to two separate ports simultaneously. Its high-speed access time of 55ns allows the chip to easily read and write data from the memory array without experiencing any data loss or corruption. The chip has a 25-bit-wide data bus and a 9-bit-wide address bus, allowing it to access up to 512K bytes of memory.

The BR24T256FV-WE2 SRAM uses a multiplexed address/data bus to read and write data. When reading data from the memory array, the multiplexed address/data bus is used to select the desired address in the array, while the data bus is used to write the data. When writing data to the memory array, the multiplexed address/data bus is used to select the desired address and the data bus is used to write the data.

The chip also includes a self-refreshing function that constantly reads the data from the memory array and stores it in a separate RAM area. This ensures that the data stored in the memory array is not corrupted and that the chip can access the data quickly and reliably. In addition, the chip includes a power-saving auto power-down (APD) feature that automatically shuts down the chip when the system is not in use.

Conclusion

The BR24T256FV-WE2 SRAM is a powerful and reliable memory chip that can be used in a wide variety of embedded applications. Its high-speed access time, low address latency, multiplexed address/data bus, and self-refreshing function make it a great choice for systems which require fast operation, reliable data storage, and low power consumption. The chip is compatible with the industry-standard DIP format and can be easily integrated into any embedded system.

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