NM27LC512V200

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NM27LC512V200 Memory Application Field and Working Principle

The NM27LC512V200 is a 512Kb dynamic random access memory (DRAM) component. This part is usually used in next-generation memory technology applications such as embedded system and digital audio applications. With a high density, low power-consumption, and fast access times, it is ideal for reducing the overall system cost.

Memory Overview

The memory consists of two 256Kb blocks of SRAM with each block supporting up to 16Mbits of data. The NM27LC512V200 is designed to be a drop-in replacement for 1Mbit XMulty chips that are used in the majority of modern memory controller designs. The NM27LC512V200 offers four selectable modes of operation to provide optimal performance for a variety of applications. The modes include a local access mode, a pipeline access mode, a burst access mode, and an enhanced burst access mode.

Local Access Mode

The local access mode allows the memory to be accessed one word and one address at a time. This mode is suitable for applications that require the highest performance and the lowest latency. The access time for this mode is typically 10ns.

Pipeline Access Mode

The pipeline access mode allows the memory to be accessed two words and two addresses at a time. This mode is suitable for applications that require a greater throughput and a higher level of parallelism. The access time for this mode is typically 20ns.

Burst Access Mode

The burst access mode allows the memory to be accessed four words and four addresses at a time. This mode is suitable for applications that require a greater throughput and a higher level of parallelism. The access time for this mode is typically 30ns.

Enhanced Burst Access Mode

The enhanced burst access mode allows the memory to be accessed eight words per address and eight addresses per burst. This mode is suitable for applications that require the highest throughput available. The access time for this mode is typically 40ns.

Power Consumption

The NM27LC512V200 has an active current of 35mA and an idle current of 0.5mA. The device also supports a power save mode, which can reduce the active current to 20mA. The power save mode is enabled via a pin on the chip.

Applications

The NM27LC512V200 is used in a variety of applications where high-density, low-power, and fast access is required. These applications include embedded systems, digital audio, and imaging systems. The device is also used in next-generation memory technology applications such as flash memory.

Conclusion

The NM27LC512V200 is a 512Kb dynamic random access memory component that is designed to deliver high density, low power-consumption, and fast access times. The memory is suitable for a variety of applications including embedded systems, digital audio, and imaging systems. The device supports four selectable modes of operation to provide optimal performance for a variety of applications.

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