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AT49F2048 Datasheet(PDF) 1 Page - ATMEL Corporation |
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AT49F2048 Datasheet(HTML) 1 Page - ATMEL Corporation |
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1 SOIC (SOP) TSOP Top View Type 1 Features • Single Voltage Operation – 5V Read – 5V Reprogramming • Fast Read Access Time - 70 ns • Internal Erase/Program Control • Sector Architecture – One 8K Words (16K bytes) Boot Block with Programming Lockout – Two 8K Words (16K bytes) Parameter Blocks – One 104K Words (208K bytes) Main Memory Array Block • Fast Sector Erase Time - 10 seconds • Word-By-Word Programming - 50 µs/Word • Hardware Data Protection • DATA Polling For End Of Program Detection • Low Power Dissipation – 50 mA Active Current – 300 µA CMOS Standby Current • Typical 10,000 Write Cycles Description The AT49F2048 is a 5-volt-only, 2 megabit Flash Memory organized as 128K words of 16 bits each. Manufactured with Atmel's advanced nonvolatile CMOS technology, the device offers access times to 70 ns with power dissipation of just 275 mW. When deselected, the CMOS standby current is less than 300 µA. To allow for simple in-system reprogrammability, the AT49F2048 does not require high input voltages for programming. Five-volt-only commands determine the read and programming operation of the device. Reading data out of the device is similar to 2-Megabit (128K x 16) 5-volt Only CMOS Flash Memory AT49F2048 0568D-A–9/97 (continued) Pin Configurations Pin Name Function A0 - A16 Addresses CE Chip Enable OE Output Enable WE Write Enable RESET Reset I/O0 - I/O15 Data Inputs/Outputs NC No Connect |
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