IS46DR16160B-25DBLA1

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Memory is a significant component in computers, storing and archiving valuable data for hardware and software outputs. IS46DR16160B-25DBLA1 is an integrated memory solution for computers designed and manufactured by ISSI, an American leading semiconductor memory provider. It is specifically designed for embedded and industrial applications to meet the requirements for high speed, low cost and robust performance. Here, we will discuss its application field, working principle, and electrical characteristics.

Application Field

IS46DR16160B-25DBLA1 is an embedded DRAM chip with a capacity of 16M bits, utilizing a 0.25um CMOS process and 1.8 V device operation. It is a high performance memory with high-speed access, low power consumption and ultra-small package. The chip can be used for consumer electronics, automotive, gaming, virtual reality or 3D graphics, mobile application, computer peripherals, system level applications, monitoring systems, video systems, military and aerospace applications.

Working Principle

IS46DR16160B-25DBLA1 utilizes JEDEC industry standard Double Data Rate (DDR) Asynchronous Dynamic RAM (SDRAM) technology to store data. The chip is an 8-bit device, meaning it can read and write 8-bit data in a single operation. The chip includes an integrated circuit board level controller, which enables the device to support multiple operating modes. The on-board controller can perform write operations at higher speeds than conventional flash memory, making it ideal for high performance applications.

The chip is designed with 2 banks to store data and a table for address mapping. Each bank stores data in 512-byte blocks, so a total of 1024 bytes are available with each IS46DR16160B-25DBLA1 chip. When the chip reads data, it initially reads the block address and maps it to the correct bank. It then sends the data to the connected device over the bus.

The chip also supports an auto-refresh mode, which refreshes the cell charge periodically to maintain memory integrity. This helps to reduce power consumption and extend the life of the chip.

Electrical Characteristics

The operating voltage of IS46DR16160B-25DBLA1 is 1.8V, with a recommended operating temperature range of 0-70 degrees Celsius. The device consumes 88mW of power when in the standby mode, and 200mW in the active mode. The chip has a maximum data transfer rate of 166Mbits/second and a maximum refresh rate of 12.5 microseconds. The maximum clock cycle time is 3ns, and the minimum clock cycle time is 4ns.

The chip also has an on-chip ECC (Error Control Code) feature, which ensures error-free operation of the device. The chip has two separate error correction modes to detect and correct single-bit and double-bit errors.

In conclusion, IS46DR16160B-25DBLA1 is a high-performance, low-power, highly integrated memory solution for embedded and industrial applications. It utilizes SDRAM technology to provide reliable, high-speed data storage and supports a wide range of operating modes. Additionally, the chip has built-in ECC support to ensure data integrity and is available in an ultra-small package.

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