AT45DB321D-MU-SL955

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Memory Type:	Non-Volatile
Memory Format:	FLASH
Technology:	FLASH
Memory Size:	32Mb (512 Bytes x 8192 pages)
Clock Frequency:	66MHz
Write Cycle Time - Word, Page:	6ms
Memory Interface:	SPI
Voltage - Supply:	2.7 V ~ 3.6 V
Operating Temperature:	-40°C ~ 85°C (TC)
Mounting Type:	Surface Mount
Package / Case:	8-VDFN Exposed Pad
Supplier Device Package:	8-VDFN (6x5)

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Introduction

AT45DB321D-MU-SL955 is a type of memory device. It was developed for use in embedded applications such as automotive, industrial, medical, telecommunications, and consumer products. This device is designed to provide non-volatile, reliable and reliable data storage in a small form factor.

Application Field

AT45DB321D-MU-SL955 is used in a wide range of applications. It is designed to replace hard drives and other non-volatile memory devices. These devices are used in embedded systems, industrial controls and medical applications. Because of its non-volatile nature, it is exceptionally reliable and offers long-term data retention compared to other memory devices.It is also used in communication and networking systems because of its support for low-cost, high-speed communication. This includes mobile phones, routers and switches, Wi-Fi access points, base stations, and mesh networks. AT45DB321D-MU-SL955 also supports high-speed serial and parallel communication.

Working Principle

AT45DB321D-MU-SL955 is based on flash memory technology. It stores data using a NAND flash architecture. NAND flash architecture stores data in blocks of memory cells. Each block is composed of four memory cells, and each cell can hold 8, 16, 32 or 64 bits of data, depending on the chip size. The stored data is divided into two, namely user data and outside data. User data is stored in the same memory cells as outside data, but the two can be distinguished from each other based on the address associated with them. As user data is stored in separate memory cells, it can be easily accessed and manipulated.The device also features two interfaces, the JTAG interface and the Serial Peripheral Interface (SPI). JTAG is used for debug operations, such as programming and erasing the memory cells, while the SPI is used for data transfer. The SPI interface is capable of transmitting data at a rate of up to 40Mbits/s, ensuring high-speed and reliable data transfer.

Conclusion

AT45DB321D-MU-SL955 is a type of memory device designed for embedded applications. It is based on NAND flash memory technology, which allows for reliable and reliable data storage. It is used in a wide range of applications such as industrial controls, communication and networking systems and automotive applications. It also features JTAG and SPI interfaces, which allow for high-speed data transfer.

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