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AT49BV002T-90PI Datasheet(PDF) 1 Page - ATMEL Corporation |
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AT49BV002T-90PI Datasheet(HTML) 1 Page - ATMEL Corporation |
1 / 20 page 1 2-Megabit (256K x 8) Single 2.7-Volt Battery-Voltage™ Flash Memory AT49BV002 AT49LV002 AT49BV002N AT49LV002N AT49BV002T AT49LV002T AT49BV002NT AT49LV002NT Features • Single Supply for Read and Write: 2.7V to 3.6 (BV), 3.0 to 3.6V (LV) • Fast Read Access Time - 70 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 (96K, 128K) Bytes • Fast Erase Cycle Time - 10 seconds • Byte By Byte Programming - 30 µµµµs/Byte Typical • Hardware Data Protection • DATA Polling For End Of Program Detection • Low Power Dissipation – 25 mA Active Current –50 µµµµA CMOS Standby Current • Typical 10,000 Write Cycles Description The AT49BV/LV002(N)(T) is a 3-volt-only in-system reprogrammable Flash Memory. Its 2 megabits of memory is organized as 262,144 words by 8 bits. Manufactured with Atmel’s advanced nonvolatile CMOS technology, the device offers access times to 70 ns with power dissipation of just 90 mW over the commercial temperature range. When the device is deselected, the CMOS standby current is less than 50 µA. For the Rev. 0982C–07/98 Pin Configurations Pin Name Function A0 - A17 Addresses CE Chip Enable OE Output Enable WE Write Enable RESET RESET I/O0 - I/O7 Data Inputs/Outputs DC Don’t Connect DIP Top View 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 *RESET A16 A15 A12 A7 A6 A5 A4 A3 A2 A1 A0 I/O0 I/O1 I/O2 GND VCC WE A17 A14 A13 A8 A9 A11 OE A10 CE I/O7 I/O6 I/O5 I/O4 I/O3 PLCC Top View 5 6 7 8 9 10 11 12 13 29 28 27 26 25 24 23 22 21 A7 A6 A5 A4 A3 A2 A1 A0 I/O0 A14 A13 A8 A9 A11 OE A10 CE I/O7 (continued) VSOP Top View (8 x 14 mm) or TSOP Top View (8 x 20 mm) Type 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 A11 A9 A8 A13 A14 A17 WE VCC *RESET A16 A15 A12 A7 A6 A5 A4 OE A10 CE I/O7 I/O6 I/O5 I/O4 I/O3 GND I/O2 I/O1 I/O0 A0 A1 A2 A3 *Note: This pin is a DC on the AT49BV002N(T) and AT49LV002N(T). |
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