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AT49F008A Datasheet(PDF) 6 Page - ATMEL Corporation |
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AT49F008A Datasheet(HTML) 6 Page - ATMEL Corporation |
6 / 17 page AT49F008A(T)/8192A(T) 6 Notes: 1. The DATA FORMAT in each bus cycle is as follows: I/O15 - I/O8 (Don’t Care); I/O7 - I/O0 (Hex) The ADDRESS FORMAT in each bus cycle is as follows: A15 - A0 (Hex), A-1, and A15 - A18 (Don’t Care) 2. The boot sector has the address range 00000H to 03FFFH for the AT49F008A; FC000H to FFFFFH for the AT49F008AT; 00000H to 01FFFH for the AT49F8192A; and 7E000H to 7FFFFH for the AT49F8192AT. 3. Either one of the Product ID Exit commands can be used. 4. SA = sector addresses: (A0 - A18) For the AT49F008A/8192A SA = 01XXX for BOOT BLOCK SA = 02XXX for PARAMETER BLOCK 1 SA = 03XXX for PARAMETER BLOCK 2 SA = 7FXXX for MAIN MEMORY ARRAY For the AT49F008AT/8192AT SA = 7FXXX for BOOT BLOCK SA = 7DXXX for PARAMETER BLOCK 1 SA = 7CXXX for PARAMETER BLOCK 2 SA = 7BXXX for MAIN MEMORY ARRAY 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 DOUT 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/Word Program 4 5555 AA 2AAA 55 5555 A0 Addr DIN 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) 1xxxx F0 Absolute Maximum Ratings* Temperature Under Bias................................ -55 °C to +125°C *NOTICE: Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent dam- age 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. 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 RESET with Respect to Ground ...................................-0.6V to +13.5V |
Similar Part No. - AT49F008A |
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Similar Description - AT49F008A |
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