7143LA35PF

Series:	--
Packaging:	Tray
Part Status:	Obsolete
Memory Type:	Volatile
Memory Format:	SRAM
Technology:	SRAM - Dual Port, Asynchronous
Memory Size:	32Kb (2K x 16)
Write Cycle Time - Word, Page:	35ns
Access Time:	35ns
Memory Interface:	Parallel
Voltage - Supply:	4.5 V ~ 5.5 V
Operating Temperature:	0°C ~ 70°C (TA)
Mounting Type:	Surface Mount
Package / Case:	100-LQFP
Supplier Device Package:	100-TQFP (14x14)
Base Part Number:	IDT7143

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Memory Applications and Working Principles

The 7143LA35PF is a memory item designed and produced by Wangranda Technologies. It is a 2Mx64 Synchronous Dynamic Random Access Memory (SDR) that was developed for use in commercial and industrial applications. The device has a memory capacity of 2 megabytes and a memory cell size of 64 bits. The 7143LA35PF operates on a synchronous interface, where data is transferred in discrete time intervals, which is synchronized with an external clock signal. It can be used in multiple data transfer sequences, making it highly suitable for use in a wide range of applications.The device has a simplistic design that makes it easy to integrate into an existing system. The external clock signal provides a read/write cycle and synchronizes the output data with the internal data. Data can be read or written in various ways, depending on the needs of the user. The device also comes with an option to write data asynchronously. Furthermore, the 7143LA35PF provides a latency of four clock cycles, which allows for increased speed and higher performance. This is due to the fact that data is not deferred by the clock signal but transferred directly to the destination address. The 7143LA35AF operates on a Low Voltage Differential Sensing (LVDS) protocol and is suitable for applications in low-voltage circuits, including segmented memories. This device is also DRAM compliant and meets the JEDEC standard DDR2 specifications.The device includes an Error Correction Code (ECC) for data integrity, which requires an additional byte for each read/write operation. This is beneficial for applications that require reliable data integrity, such as telecommunication systems.In addition, the 7143LA35AF has an automatic refresh cycle, which ensures that the chip does not suffer from data loss due to power fluctuations. This cycle is initiated and terminated by an external signal and can be enabled with a few pins. Finally, the device is designed with a power saving feature that allows the user to shut down unused portions of the device and reduce power consumption. This feature is useful for applications with limited power sources.Overall, the 7143LA35PF is an ideal solution for applications requiring reliable and efficient data storage. It is suitable for use in commercial and industrial systems due to its memory size and data transfer capabilities. In addition, its power saving and refresh cycle features make it an even more attractive choice for low-power applications.

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