7142SA25J8

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Memory Type:	Volatile
Memory Format:	SRAM
Technology:	SRAM - Dual Port, Asynchronous
Memory Size:	16Kb (2K x 8)
Write Cycle Time - Word, Page:	25ns
Access Time:	25ns
Memory Interface:	Parallel
Voltage - Supply:	4.5 V ~ 5.5 V
Operating Temperature:	0°C ~ 70°C (TA)
Mounting Type:	Surface Mount
Package / Case:	52-LCC (J-Lead)
Supplier Device Package:	52-PLCC (19.13x19.13)
Base Part Number:	IDT7142

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Introduction of Memory, 7142SA25J8

Memory is an essential part of digital electronics and computing systems, which store information for future use. The 7142SA25J8 is a type of memory device from JEDEC, used in digital electronics and computing applications. The memory is a non-volatile form of read and write memory with a capacity up to 8 kilobytes, or 8Kb. It is composed of 8 chips, each containing 1024 8-bit bytes of memory.

Application Fields

The 7142SA25J8 memory chip is primarily used in video game consoles. It is usually used as the main memory chip in handheld videogame consoles like the Gameboy, Gameboy Advance and Sony PSP. It is also used in embedded systems such as traffic controllers, clock radio systems, automatic teller machines and home automation systems.

Working Principle

The 7142SA25J8 is a non-volatile memory device. Non-volatile memory means that the information stored in the memory is not lost when the electric power is disconnected. This is because the memory device uses flash memory technology. Flash memory technology is used to store the data written to it in a special form called “flash zones”.When electric power is applied to the memory device, the data stored in each flash zone is read out and reconstituted into the desired data pattern. The data is then stored in the working RAM area of the memory device to be used by the system. Data can also be written to the memory device by sending a data pattern through a write command. The data is then stored in the flash memory.

Conclusion

The 7142SA25J8 memory device is a versatile and reliable type of non-volatile memory device from JEDEC that can be used in a multitude of digital electronics and computing applications. Its primary application is in videogame consoles. It is composed of 8 chips, each containing 8-bit bytes of memory. It utilizes the flash memory technology, which allows the data written to it to be stored in a non-volatile form.

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