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The AT49F001(N)(T) is a 5-volt-only in-system reprogrammable Flash Memory. Its 1 megabit of memory is organized as 131,072 words by 8 bits. Manufactured with Atmel's advanced nonvolatile CMOS technology, the device offers access times to 55 ns with power dissipation of just 275 mW over the commercial temperature range.
AT49F001 Maximum Ratings
Temperature Under Bias................................ -55°C to +125°C Storage Temperature .....................................-65°C to +150°C All Input Voltages (including NC Pins) with Respect to Ground .................................. -0.6V to +6.25V All Output Voltages with Respect to Ground ............................-0.6V to VCC + 0.6V Voltage on OE with Respect to Ground ...................................-0.6V to +13.5V
*NOTICE: Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
AT49F001 Features
• Single Voltage Operation 5V Read 5V Reprogramming • Fast Read Access Time - 55 ns • Internal Program Control and Timer • Sector Architecture One 16K Byte Boot Block with Programming Lockout Two 8K Byte Parameter Blocks Two Main Memory Blocks (32K, 64K) Bytes • Fast Erase Cycle Time - 10 seconds • Byte By Byte Programming - 10 ms/Byte Typical • Hardware Data Protection • DATA Polling for End of Program Detection • Low Power Dissipation 50 mA Active Current 100 mA CMOS Standby Current • Typical 10,000 Write Cycles