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FS32K142HAT0MLHT Datasheet(PDF) 38 Page - NXP Semiconductors |
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FS32K142HAT0MLHT Datasheet(HTML) 38 Page - NXP Semiconductors |
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38 / 84 page  Table 24. Flash command timing specifications for S32K11x (continued) Symbol Description1 S32K116 S32K118 Typ Max Typ Max Unit Notes teewr32b 32-bit write to FlexRAM execution time 32 KB EEPROM backup 630 2000 630 2000 µs 3,4 48 KB EEPROM backup — — — — 64 KB EEPROM backup — — — — tquickwr 32-bit Quick Write execution time: Time from CCIF clearing (start the write) until CCIF setting (32-bit write complete, ready for next 32-bit write) 1st 32-bit write 200 550 200 550 µs 4,5,6 2nd through Next to Last (Nth-1) 32-bit write 150 550 150 550 Last (Nth) 32-bit write (time for write only, not cleanup) 200 550 200 550 tquickwrClnup Quick Write Cleanup execution time — — (# of Quick Writes ) * 2.0 — (# of Quick Writes ) * 2.0 ms 7 1. All command times assume 25 MHz or greater flash clock frequency (for synchronization time between internal/external clocks). 2. Maximum times for erase parameters based on expectations at cycling end-of-life. 3. For all EEPROM Emulation terms, the specified timing shown assumes previous record cleanup has occurred. This may be verified by executing FCCOB Command 0x77, and checking FCCOB number 5 contents show 0x00 - No EEPROM issues detected. 4. 1st time EERAM writes after a Reset or SETRAM may incur additional overhead for EEE cleanup, resulting in up to 2x the times shown. 5. Only after the Nth write completes will any data be valid. Emulated EEPROM record scheme cleanup overhead may occur after this point even after a brownout or reset. If power on reset occurs before the Nth write completes, the last valid record set will still be valid and the new records will be discarded. 6. Quick Write times may take up to 550 µs, as additional cleanup may occur when crossing sector boundaries. 7. Time for emulated EEPROM record scheme overhead cleanup. Automatically done after last (Nth) write completes, assuming still powered. Or via SETRAM cleanup execution command is requested at a later point. NOTE Under certain circumstances FlexMEM maximum times may be exceeded. In this case the user or application may wait, or assert reset to the FTFC macro to stop the operation. 6.3.1.2 Reliability specifications Table 25. NVM reliability specifications Symbol Description Min. Typ. Max. Unit Notes When using as Program and Data Flash tnvmretp1k Data retention after up to 1 K cycles 20 — — years 1 nnvmcycp Cycling endurance 1 K — — cycles 2, 3 Table continues on the next page... Memory and memory interfaces S32K1xx Data Sheet, Rev. 9, 09/2018 38 NXP Semiconductors |
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