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AT49F8192A-12TI Datasheet(PDF) 7 Page - ATMEL Corporation |
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AT49F8192A-12TI Datasheet(HTML) 7 Page - ATMEL Corporation |
7 / 17 page AT49F008A(T)/8192A(T) 7 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 = 02XXX for BOOT BLOCK SA = 04XXX for PARAMETER BLOCK 1 SA = 06XXX for PARAMETER BLOCK 2 SA = FEXXX for MAIN MEMORY ARRAY For the AT49F008AT/8192AT SA = FEXXX for BOOT BLOCK SA = FAXXX for PARAMETER BLOCK 1 SA = 78XXX for PARAMETER BLOCK 2 SA = 76XXX for MAIN MEMORY ARRAY Command Definition (in Hex) for Alternate Pin Definition of AT49F008A(T) (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 A555 AA 5AAA 55 A555 80 A555 AA 5AAA 55 A555 10 Sector Erase 6 A555 AA 5AAA 55 A555 80 A555 AA 5AAA 55 SA (4) 30 Byte/Word Program 4 A555 AA 5AAA 55 A555 A0 Addr DIN Boot Block Lockout (2) 6 A555 AA 5AAA 55 A555 80 A555 AA 5AAA 55 A555 40 Product ID Entry 3 A555 AA 5AAA 55 A555 90 Product ID Exit (3) 3 A555 AA 5AAA 55 A555 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 |
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