7140SA55J

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Memory Type:	Volatile
Memory Format:	SRAM
Technology:	SRAM - Dual Port, Asynchronous
Memory Size:	8Kb (1K x 8)
Write Cycle Time - Word, Page:	55ns
Access Time:	55ns
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:	IDT7140

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Memory is an indispensable part of modern computing devices, performing the vital task of storing data which can be accessed later. 7140SA55J is a memory device which is useful in many applications. It is an integrated circuit (IC) memory device, manufactured by Renesas, that is used mainly in digital cameras, mobile devices and PDAs, and other home electronic equipment.The 7140SA55J is a 4Kb Static RAM (SRAM) memory chip, with 512-bits of memory organizedinto 56 bytes. It is manufactured using CMOS technology and features a fast access time of 65ns. It operates off a single voltage supply of 2.4V to 5.5V. It supports a data transfer rate of 10MBit/s and an address transfer rate of 16Mbit/s. This makes it one of the faster memory chips in the market today.The 7140SA55J has an asynchronous interface and is designed to be used with Synchronous Dynamic RAM (SDRAM). It provides high-speed access time to the data and high capacity storage, making it ideal for storing high-resolution images and other large data files. It supports coding and correction, and has a number of additional features such as high noise immunity, programmable read out thresholds and refresh cycle.The 7140SA55J functions on the simple principle that electricity is converted into digital signals, stored in the integrated circuit, and then converted back into electricity when the retrieval action is invoked. This process is known as memory storage and is achieved by improving a capacitor’s charge. The strength of the capacitor’s charge is improved when the SRAM reads the electrical signal at its input.The 7140SA55J can be used for a variety of applications. It can be used for video and audio transmission, for storing images in digital cameras, for portable computing devices, for in-vehicle information systems and home consumer electronics, such as cell phones and broadband routers. It is also used in industrial robotics and automation systems.Due to its small size, the 7140SA55J is able to fit into small spaces and consume low power. In addition, its low heat generation, high-quality data storage and fast access speed make it a reliable and efficient memory chip.In summary, the 7140SA55J is a 4K SRAM IC designed for use in a wide range of consumer electronic devices. It features an asynchronous interface which enables high speed access to data, and supports coding and refresh cycle. This makes it an ideal Choice for applications requiring fast access to large amounts of data.

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