LH52256CN-70LL

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Memory Type:	Volatile
Memory Format:	SRAM
Technology:	SRAM
Memory Size:	256Kb (32K x 8)
Write Cycle Time - Word, Page:	70ns
Access Time:	70ns
Memory Interface:	Parallel
Voltage - Supply:	4.5 V ~ 5.5 V
Operating Temperature:	0°C ~ 70°C (TA)
Mounting Type:	Surface Mount
Package / Case:	28-SOP
Supplier Device Package:	28-SOP

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Introduction to Memory: LH52256CN-70LL

Memory, also known as primary storage, is one of the most essential components of a computer system. It not only provides the required storage to store data and programs, but also helps the processor to access and process the stored information quickly.The LH52256CN-70LL is a type of memory integrated circuit chip usually used as primary storage in computers. It was developed by Hitachi, one of the largest electronics companies in the world. The chip can store up to 256K bytes of data and is commonly used in embedded systems and other applications requiring a small amount of memory.

Applications

The LH52256CN-70LL is mostly used in embedded systems, such as mobile phones, tablets, MP3 players, and other small electronics gadgets. It is also used in industrial automation systems for controlling various processes, as well as in medical and military applications. Additionally, the chip can be used in aerospace and automotive applications, as well as in custom or proprietary systems.

Working Principle

The LH52256CN-70LL is a semiconductor memory device that uses dynamic random access memory (DRAM) technology. Similar to other types of memory, the chip stores and retrieves digital data via capacitors, which need to be regularly “refreshed” in order to retain the stored information.The chip is organized into 256K memory cells which can be addressed through two chip select pins. When a new address is accessed, the contents of the 263 memory cells associated with the address are retrieved and stored by the chip then simultaneously.

Conclusion

The LH52256CN-70LL is an integrated circuit chip that uses DRAM technology to store and access up to 256K bytes of data. It is widely utilized in embedded systems, industrial automation, medical, military, and automotive applications. The chip is organized into 256K memory cells, which can be addressed through two CS pins, and the data stored in 263 associated cells are retrieved and stored by the chip simultaneously.

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