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AM29DL400B датащи(PDF) 41 Page - Advanced Micro Devices |
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AM29DL400B датащи(HTML) 41 Page - Advanced Micro Devices |
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41 / 47 page ![]() Am29DL400B 39 ERASE AND PROGRAMMING PERFORMANCE Notes: 1. Typical program and erase times assume the following conditions: 25 °C, 3.0 V VCC, 1,000,000 cycles. Additionally, programming typicals assume checkerboard pattern. 2. Under worst case conditions of 90°C, VCC = 2.7 V, 1,000,000 cycles. 3. The typical chip programming time is considerably less than the maximum chip programming time listed, since most bytes program faster than the maximum program times listed. 4. In the pre-programming step of the Embedded Erase algorithm, all bytes are programmed to 00h before erasure. 5. System-level overhead is the time required to execute the two- or four-bus-cycle sequence for the program command. See Table 5 for further information on command definitions. 6. The device has a guaranteed minimum erase and program cycle endurance of 1,000,000 cycles. Parameter Typ (Note 1) Max (Note 2) Unit Comments Sector Erase Time 0.7 15 sec Excludes 00h programming prior to erasure (Note 4) Chip Erase Time 10 sec Byte Program Time 9 300 µs Excludes system level overhead (Note 5) Word Program Time 11 360 µs Chip Program Time (Note 3) Byte Mode 4.5 13.5 sec Word Mode 2.9 8.7 |
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