AT45DB642D-TU

Series:	--
Packaging:	Tray
Part Status:	Obsolete
Memory Type:	Non-Volatile
Memory Format:	FLASH
Technology:	FLASH
Memory Size:	64Mb (1056 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:	28-TSSOP (0.465", 11.80mm Width)
Supplier Device Package:	28-TSOP

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Introduction

AT45DB642D-TU is a non-volatile, write-once EEPROM memory device, manufactured by Microchip Technology. It is one of the newest product lines from the company, designed to replace their earlier offering, the AT45DB641D. The AT45DB642D-TU is available in a variety of packages, including TSSOP-20 and TSSOP-16. It also has a wide range of operating temperatures, ranging from -40°C to 85°C.

Application Field

AT45DB642D-TU is best suited for applications that need non-volatile memory with fast random write access. It is an ideal choice for applications such as data logging, medical instrumentation and machine control systems. It is also used in automotive and industrial control applications, as well as embedded systems.The AT45DB642D-TU is a versatile device, with a number of advantages over the many standard EEPROMs. It has a very wide temperature range, and can operate from -40°C to 85°C. The device is also less prone to temperature related errors, making it suitable for harsh environments.The AT45DB642D-TU offers a number of features that make it an attractive choice for embedded system. It has a low power consumption, which is useful for battery-powered applications. It also has 8192 Kbits of memory, which is enough for a wide range of applications. The device also supports SPI and I2C communication protocols, making it easy to integrate into various designs.

Working Principle

The AT45DB642D-TU utilizes a number of technologies to provide reliable, fast and low power memory access. One of its key features is the use of phase-change memory technology. This type of memory is non-volatile, and it retains its data even when power is removed. It also allows for fast random write/read performance, meaning data can be quickly accessed.To ensure data reliability, the AT45DB642D-TU also includes an ECC (Error Code Correction) engine. This provides extra protection for data stored in the device, ensuring that it is not corrupted or lost. Error code correction allows data to be recovered from corrupted data, allowing for a failsafe memory solution.The AT45DB642D-TU also supports an advanced security system, provided by its inbuilt ROM. It uses a 256-bit AES encryption algorithm to protect data from unauthorized access. This provides an additional layer of protection for critical data.

Conclusion

The AT45DB642D-TU is a versatile non-volatile memory device, designed for applications that require reliable and fast data storage. It is suitable for harsh environments, with its wide temperature range, low power consumption and advanced security system. It is also easy to integrate into various designs, thanks to its support for a range of communication protocols. With its combination of features, the AT45DB642D-TU is an attractive option for a wide range of applications.

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