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IS25LE512M-RLLA3:P-TY Datasheet(PDF) 42 Page - Integrated Silicon Solution, Inc |
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IS25LE512M-RLLA3:P-TY Datasheet(HTML) 42 Page - Integrated Silicon Solution, Inc |
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42 / 189 page ![]() IS25LE512M IS25WE512M Integrated Silicon Solution, Inc.- www.issi.com 42 Rev. A6 06/16/2025 Figure 7.1 Advanced Sector/Block Protection DYB 0 DYB 1 DYB 2 DYB 3 Sector/Block 0 Sector/Block 1 Sector/Block 2 Sector/Block 3 PPB 0 PPB 1 PPB 2 PPB 3 DYB N-3 DYB N-2 DYB N-1 DYB N Sector/Block N-3 Sector/Block N-2 Sector/Block N-1 Sector/Block N PPB N-3 PPB N-2 PPB N-1 PPB N 0 = Locked 64-bit Password (OTP) Password Protection Mode (ASPR[2]=0 Persistent Protection Mode (ASPR[1]=0 ASP Register Bits (OTP) PPB Memory Array DYB 1. 0 = Sector/Block Protected 1 = Sector/Block Unprotected (default) 2. DYBs are volatile and defaults to “1” after power-up 1. 0 = Sector/Block Protected 1 = Sector/Block Unprotected 2. PPB bits are programmed individually, but erased collectively 1. The bit defaults to “1” (Persistent Protection mode) or “0” (Password Protection mode) upon reset. 2. “0” locks all PPB bits to their current state. 3. Password Protection mode requires a password to set PPB Lock bit to “1” to enable program or erase of PPB bits. 4. Persistent Protection mode only allows PPB Lock bit to be cleared to “0” to prevent program or erase PPB bits. Power off or hardware reset is required to set PPB Lock bit to “1”. 1 = Unocked PPB Lock Bit (Volatile) Notes: 1. 512M (64KB Block): N = 1053 = 32 (32xTop 4KB sectors or 32xBottom 4KB sectors) + 1022 (1022x64KB blocks) - 1 2. 512M (256KB Block): N = 255 = 0 + 256 (256x256KB blocks) - 1 |
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