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AT49F4096-12TC Datasheet(PDF) 4 Page - ATMEL Corporation |
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AT49F4096-12TC Datasheet(HTML) 4 Page - ATMEL Corporation |
4 / 11 page Temperature Under Bias................. -55°C to +125°C 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 VCC + 0.6V Voltage on OE with Respect to Ground ................... -0.6V to +13.5V *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 conditions beyond those indi- cated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Absolute Maximum Ratings* 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 1Addr 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, 5) 30 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 Notes: 1. The DATA FORMAT in each bus cycle is as follows: I/O15 - I/O8 (Don’t Care); I/O7 - I/O0 (Hex) 2. The 8K word boot sector has the address range 00000H to 01FFFH. 3. Either one of the Product ID Exit commands can be used. 4. SA = sector addresses: SA = 03XXX for PARAMETER BLOCK 1 SA = 05XXX for PARAMETER BLOCK 2 SA = 3FXXX for MAIN MEMORY ARRAY 5. When the boot block programming lockout feature is not enabled, the boot block and the main memory block will erase together (from the same sector erase command). Once the boot region has been protected, only the main memory array sector will erase when its sector erase command is issued. HARDWARE DATA PROTECTION: Hardware features protect against inadvertent programs to the AT49F4096 in the following ways: (a) VCC sense: if VCC is below 3.8V (typical), the program function is inhibited. (b) VCC power on delay: once VCC has reached the VCC sense level, the device will automatically time out 10 ms (typical) be- fore programming. (c) Program inhibit: holding any one of OE low, CE high or WE high inhibits program cycles. (d) Noise filter: pulses of less than 15 ns (typical) on the WE or CE inputs will not initiate a program cycle. Device Operation (Continued) 4-222 AT49F4096 |
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Similar Description - AT49F4096-12TC |
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