AT49F001AN-45JI

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The AT49F001AN-45JI is a high-performance nonvolatile, Flash memory IC developed by ATMEL Corporation. Its purpose is to store program code and data in the nonvolatile memory area and can be read, rewritten, or updated at high speed regardless of the power supply status.

Application Fields

The AT49F001AN-45JI is an ideal device for applications in automotive, industrial, and consumer markets, as well as in medical, aerospace, and security systems. It can be used for storing program and logic code, as well as for providing a large-capacity storage for data. The device is well-suited for a wide range of applications, including automotive engine control, automotive body and safety electronic, navigational systems, electronic key systems, motor control, and industrial controls. It is also suitable for consumer and personal electronics, such as portable media players, personal data organizers, digital cameras, digital camcorders, hard disk drives, and printers.

Working Principle

The AT49F001AN-45JI adopts the 0.35μm CMOS Flash technology and is developed for high-speed, low-power and reliable applications. It is available in SOIC-8 packages and incorporates a converter that allows easy connection and compatibility with a variety of microprocessor/microcontroller bus interfaces. The main storage area consists of 16K-bit of Flash memory that can be read and rewritten at high speed. The device also supports various read and write modes, including Single Location Read, Sequential Read, Block, Page, and Software Data Protection operation. The device can also be operated in the erase mode and supports die operations such as Erase All, Erase Block, and Erase Sector.

The AT49F001AN-45JI also features a JEDEC/IDPROM block which allows it to store a unique device identifier (UID) and to provide users with a read-only non-volatile 64-bit block of device information. The on-chip data duplication logic can detect errors such as device wear or programming were, and can take the appropriate action to ensure data integrity. The device also has a “Power-Fail Safe” feature which can detect and prevent data loss due to power interruptions.

The AT49F001AN-45JI is designed to be used in extreme environments and it is rated over the -40°C to +85°C commercial operating temperature range. It has a wide range of pin-compatible devices in die sizes from 64K-bit to 512K-bit, and supports a wide range of industry standard buses.

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