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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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AT25DF021A Datenblatt(PDF) 10 Page - Renesas Technology Corp |
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AT25DF021A Datenblatt(HTML) 10 Page - Renesas Technology Corp |
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10 / 59 page  DS-AT25DF021A-042 Rev. J Page 10 12/22/22 © 2022 Renesas Electronics AT25DF021A Datasheet 4. Memory Array To provide the greatest flexibility, the memory array of the AT25DF021A can be erased in three levels of granularity including a full chip erase. The size of the erase blocks is optimized for both code and data storage applications, allowing both code and data segments to reside in their own erase regions. The Memory Architecture Diagram illustrates the breakdown of each erase level. Figure 6. Memory Architecture Diagram Internal Sectoring fo 64 kB 32 kB 4 kB 1-256 Byte Sector Protection Block Erase Block Erase Block Erase Page Program Function (D8h Command) (52h Command) (20h Command) (02h Command) 4KB 03F000h – 03FFFFh 03E000h – 03EFFFh 03D000h – 03DFFFh 03C000h – 03CFFFh 03B000h – 03BFFFh 03A000h – 03AFFFh 039000h – 039FFFh 038000h – 038FFFh 037000h – 037FFFh 036000h – 036FFFh 035000h – 035FFFh 034000h – 034FFFh 033000h – 033FFFh 032000h – 032FFFh 031000h – 031FFFh 02F000h – 02FFFFh 02E000h – 02EFFFh 02D000h – 02DFFFh 02C000h – 02CFFFh 02B000h – 02BFFFh 02A000h – 02AFFFh 029000h – 029FFFh 028000h – 028FFFh 027000h – 027FFFh 026000h – 026FFFh 025000h – 025FFFh 024000h – 024FFFh 023000h – 023FFFh 022000h – 022FFFh 021000h – 021FFFh 020000h – 020FFFh 030000h – 030FFFh 03FF00h – 03FFFFh 03FE00h – 03FEFFh 03FD00h – 03FDFFh 03FC00h – 03FCFFh 03FB00h – 03FBFFh 03FA00h – 03FAFFh 03F900h – 03F9FFh 03F800h – 03F8FFh 03F700h – 03F7FFh 03F600h – 03F6FFh 03F500h – 03F5FFh 03F400h – 03F4FFh 03F300h – 03F3FFh 03F200h – 03F2FFh 03F100h – 03F1FFh 03F000h – 03F0FFh 03EF00h – 03EFFFh 03EE00h – 03EEFFh 03ED00h – 03EDFFh 03EC00h – 03ECFFh 03EB00h – 03EBFFh 03EA00h – 03EAFFh 03E900h – 03E9FFh 03E800h – 03E8FFh 001700h – 0017FFh 001600h – 0016FFh 001500h – 0015FFh 001400h – 0014FFh 001300h – 0013FFh 001200h – 0012FFh 001100h – 0011FFh 001000h – 0010FFh 000F00h – 000FFFh 000E00h – 000EFFh 000D00h – 000DFFh 000C00h – 000CFFh 000B00h – 000BFFh 000A00h – 000AFFh 000900h – 0009FFh 000800h – 0008FFh 000700h – 0007FFh 000600h – 0006FFh 000500h – 0005FFh 000400h – 0004FFh 000300h – 0003FFh 000200h – 0002FFh 000100h – 0001FFh 000000h – 0000FFh 00F000h – 00FFFFh 00E000h – 00EFFFh 00D000h – 00DFFFh 00C000h – 00CFFFh 00B000h – 00BFFFh 00A000h – 00AFFFh 009000h – 009FFFh 008000h – 008FFFh 007000h – 007FFFh 006000h – 006FFFh 005000h – 005FFFh 004000h – 004FFFh 003000h – 003FFFh 002000h – 002FFFh 001000h – 001FFFh 000000h – 000FFFh 256 Bytes 4KB 256 Bytes 4KB 256 Bytes 4KB 256 Bytes 4KB 256 Bytes 4KB 256 Bytes 4KB 256 Bytes 4KB 256 Bytes 4KB 256 Bytes 4KB 256 Bytes 4KB 256 Bytes 4KB 256 Bytes 4KB 256 Bytes 4KB 256 Bytes 4KB 256 Bytes 4KB 256 Bytes 4KB 256 Bytes 4KB 256 Bytes 4KB 256 Bytes 4KB 256 Bytes 4KB 256 Bytes 4KB 256 Bytes 4KB 256 Bytes 4KB 256 Bytes 4KB 4KB 4KB 4KB 256 Bytes 4KB 256 Bytes 4KB 256 Bytes 4KB 256 Bytes 4KB 256 Bytes 256 Bytes 256 Bytes 256 Bytes 4KB 256 Bytes 4KB 256 Bytes 4KB 256 Bytes 4KB 256 Bytes 4KB 256 Bytes 4KB 256 Bytes 4KB 256 Bytes 4KB 256 Bytes 4KB 256 Bytes 4KB 256 Bytes 4KB 256 Bytes 4KB 256 Bytes 4KB 256 Bytes 4KB 256 Bytes 4KB 256 Bytes 4KB 256 Bytes 64 kB (Sector 2) 64 kB 64 kB (Sector 3) Range 64 kB 32 kB 32 kB Block Erase Detail 32 kB 32 kB Page Pro gram Detail Page Address Block Address Range 64 kB (Sector 0) 32 kB 32 kB 64 kB |
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