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STR750F Scheda tecnica(PDF) 49 Page - STMicroelectronics |
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STR750F Scheda tecnica(HTML) 49 Page - STMicroelectronics |
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49 / 73 page ![]() STR750F Electrical parameters 49/71 3.3.6 Memory characteristics Flash memory Subject to general operating conditions for VDD_IO and V18, TA = -40 to 105 °C unless otherwise specified. Table 25. Flash memory characteristics Symbol Parameter Test Conditions Value Unit Typ Max(1) 1. Data based on characterisation not tested in production tPW Word Program 35 µs tPDW Double Word Program 60 µs tPB0 Bank 0 Program (256K) Single Word programming of a checker-board pattern 24.9(2) 2. 10K program/erase cycles. s tPB1 Bank 1 Program (16K) Single Word programming of a checker-board pattern 125 224(2) ms tES Sector Erase (64K) Not preprogrammed (all 1) Preprogrammed (all 0) 1.54 1.176 2.94(2) 2.38(2) s tES Sector Erase (8K) Not preprogrammed (all 1) Preprogrammed (all 0) 392 343 560(2) 532(2) ms tES Bank 0 Erase (256K) Not preprogrammed (all 1) Preprogrammed (all 0) 8.0 6.6 13.7 11.2 s tES Bank 1 Erase (16K) Not preprogrammed (all 1) Preprogrammed (all 0) 0.9 0.8 1.5 1.3 s tRPD Recovery when disabled 20 µs tPSL Program Suspend Latency 10 µs tESL Erase Suspend Latency 300 µs Table 26. Flash memory endurance and data retention Symbol Parameter Conditions Value Unit Min(1) 1. Data based on characterisation not tested in production. Typ Max NEND_B0 Endurance (Bank 0 sectors) 10 kcycles NEND_B1 Endurance (Bank 1 sectors) 100 kcycles YRET Data Retention TA=85° C 20 Years tESR Erase Suspend Rate Min time from Erase Resume to next Erase Suspend 20 ms |
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