AT49F001AT-55JI

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Memory Type:	Non-Volatile
Memory Format:	FLASH
Technology:	FLASH
Memory Size:	1Mb (128K x 8)
Write Cycle Time - Word, Page:	50µs
Access Time:	55ns
Memory Interface:	Parallel
Voltage - Supply:	4.5 V ~ 5.5 V
Operating Temperature:	-40°C ~ 85°C (TC)
Mounting Type:	Surface Mount
Package / Case:	32-LCC (J-Lead)
Supplier Device Package:	32-PLCC
Base Part Number:	AT49F001

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<p>The AT49F001AT-55JI is a memory chip consisting of 1 million 1024 x 8-bit bits of nonvolatile CMOS Electrically Programmable Read Only Memory (EEPROM). It is characterized by low power CMOS technology, an array of configuration and flexible yet simple programming, and a wide variety of application fields for data storage and security.</p><p>The AT49F001AT-55JI EEPROM Memory chip is a good choice for embedded applications where data retention and battery back-up are essential. It offers many advantages over competitive EEPROMs, such as higher density, faster programming speed, and improved read performance. Its nonvolatile continuous CMOS technology can hold data without the need of an external battery, so that applications that require data retention such as metering, automotive, and medical can store the data reliably without worrying about data loss due to battery life or power outages. It also supports a wide temperature range, making it suitable for industrial applications.</p><p>The AT49F001AT-55JI EEPROM Memory chip features a patented Flash programming algorithm and industry-standard instruction set. This makes the chip very simple to program and easy to troubleshoot. It also supports both 16-bit and 32-bit architectures for different devices, making it highly compatible with various industry-standard microprocessors. It is constructed with an integrated PROM and SRAM for permanent data storage and instant random access memory. The on-chip 16-bit I/O bus makes reading, writing and programming easy.</p><p>The AT49F001AT-55JI EEPROM Memory chip works on a simple principle. It uses an electrical charge to write and store data bits in the memory. Each memory cell comprises two transistors that can be used to store a single bit of data. When the voltage is turned on, the charges stored in the bit can be released, enabling the device to read the data stored in the memory cell. By charging and discharging the cells, data can be written, erased, and re-written as required. For additional protection, blocks of data can be locked, allowing them to be shared only with applications that have the appropriate access permissions.</p><p>To summarize, the AT49F001AT-55JI is an excellent nonvolatile memory chip with a wide range of application fields. Its electically programmable read only memory architecture ensures data retention without the need of an external battery, and its user friendly programming interfaces make it easy to integrate into a wide variety of applications.</p>

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