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RM48L940 Arkusz danych(PDF) 81 Page - Texas Instruments |
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RM48L940 Arkusz danych(HTML) 81 Page - Texas Instruments |
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81 / 174 page  RM48L940, RM48L740, RM48L540 www.ti.com SPNS175C – APRIL 2012 – REVISED JUNE 2015 6.10.4 Flash Access Speeds For information on flash memory access speeds and the relevant wait states required, refer to Section 5.6. 6.10.5 Flash Program and Erase Timings for Program Flash Table 6-23. Timing Specifications for Program Flash PARAMETER MIN NOM MAX UNIT tprog (144bit) Wide Word (144bit) programming time 40 300 µs –40°C to 105°C 32 s tprog (Total) 3-MB programming time(1) 0°C to 60°C, for first 25 cycles 8 16 s –40°C to 105°C 0.03 4 s terase Sector/Bank erase time(2) 0°C to 60°C, for first 25 cycles 16 100 ms Write/erase cycles with 15-year Data twec –40°C to 105°C 1000 cycles Retention requirement (1) This programming time includes overhead of state machine, but does not include data transfer time. The programming time assumes programming 144 bits at a time at the maximum specified operating frequency. (2) During bank erase, the selected sectors are erased simultaneously. The time to erase the bank is specified as equal to the time to erase a sector. 6.10.6 Flash Program and Erase Timings for Data Flash Table 6-24. Timing Specifications for Data Flash PARAMETER MIN NOM MAX UNIT tprog (144bit) Wide Word (144bit) programming time 40 300 µs –40°C to 105°C 660 ms tprog (Total) 64-KB programming time(1) 0°C to 60°C, for first 25 cycles 165 330 ms –40°C to 105°C 0.2 8 s terase Sector/Bank erase time(2) 0°C to 60°C, for first 25 cycles 14 100 ms Write/erase cycles with 15-year Data twec –40°C to 105°C 100000 cycles Retention requirement (1) This programming time includes overhead of state machine, but does not include data transfer time. The programming time assumes programming 144 bits at a time at the maximum specified operating frequency. (2) During bank erase, the selected sectors are erased simultaneously. The time to erase the bank is specified as equal to the time to erase a sector. Copyright © 2012–2015, Texas Instruments Incorporated System Information and Electrical Specifications 81 Submit Documentation Feedback |
Podobny numer części - RM48L940_V01 |
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Podobny opis - RM48L940_V01 |
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