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AT49LV002T-90TI Datasheet(PDF) 5 Page - ATMEL Corporation |
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AT49LV002T-90TI Datasheet(HTML) 5 Page - ATMEL Corporation |
5 / 20 page AT49BV/LV002(N)(T) 5 Notes: 1. The DATA FORMAT in each bus cycle is as follows: I/O7 - I/O0 (Hex) 2. The 16K byte boot sector has the address range 00000H to 03FFFH for the AT49BV/LV002(N) and 3C000H to 3FFFFH for the AT49BV/LV002(N)T 3. Either one of the Product ID Exit commands can be used. 4. SA = sector addresses: For the AT49BV/LV002(N): SA = 00000 to 03FFF for BOOT BLOCK Nothing will happen and the device goes back to the read mode in 100 ns SA = 04000 to 05FFF for PARAMETER BLOCK 1 SA = 06000 to 07FFF for PARAMETER BLOCK 2 SA = 08000 to 1FFFF for MAIN MEMORY ARRAY BLOCK 1 This command will erase - PB1, PB2 and MMB1 SA = 20000 to 3FFFF for MAIN MEMORY ARRAY BLOCK 2 For the AT49BV/LV002(N)T: SA = 3C000 to 3FFFF for BOOT BLOCK Nothing will happen and the device goes back to the read mode in 100 ns SA = 3A000 to 3BFFF for PARAMETER BLOCK 1 SA = 38000 to 39FFF for PARAMETER BLOCK 2 SA = 20000 to 37FFF for MAIN MEMORY ARRAY BLOCK 1 This command will erase - PB1, PB2 and MMB1 SA = 00000 to IFFFF for MAIN MEMORY ARRAY BLOCK 2 Command Definition (in Hex)(1) Command Sequence Bus Cycles 1st Bus Cycle 2nd Bus Cycle 3rd Bus Cycle 4th Bus Cycle 5th Bus Cycle 6th Bus Cycle Addr Data Addr Data Addr Data Addr Data Addr Data Addr Data Read 1 Addr D OUT Chip Erase 6 5555 AA 2AAA 55 5555 80 5555 AA 2AAA 55 5555 10 Sector Erase 6 5555 AA 2AAA 55 5555 80 5555 AA 2AAA 55 SA(4) 30 Byte Program 4 5555 AA 2AAA 55 5555 A0 Addr D IN Boot Block Lockout(2) 6 5555 AA 2AAA 55 5555 80 5555 AA 2AAA 55 5555 40 Product ID Entry 3 5555 AA 2AAA 55 5555 90 Product ID Exit(3) 3 5555 AA 2AAA 55 5555 F0 Product ID Exit(3) 1 XXXX F0 Absolute Maximum Ratings Temperature Under Bias ................................ -55°C to +125°C *NOTICE: Stresses beyond those listed under “Absolute Maxi- mum 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 condi- tions beyond those indicated in the operational sec- tions of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. 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 V CC + 0.6V Voltage on OE with Respect to Ground ...................................-0.6V to +13.5V |
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