AT26DF321-SU Atmel, AT26DF321-SU Datasheet - Page 4

• Manufacturer Part Number: AT26DF321-SU
• Description: IC FLASH 32MBIT 66MHZ 8SOIC
• Manufacturer: Atmel

Specifications of AT26DF321-SU

• Format - Memory: FLASH
• Memory Type: DataFLASH
• Memory Size: 32M (16384 pages x 256 Bytes)
• Speed: 66MHz
• Interface: SPI, 3-Wire Serial
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 8-SOIC (5.3mm Width), 8-SOP, 8-SOEIAJ
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 4-1.
4
Internal Sectoring for
Sector Protection
(Sector 63)
(Sector 62)
Function
(Sector 0)
64KB
64KB
64KB
AT26DF321
Memory Architecture Diagram
(D8h Command) (52h Command)
Block Erase
64KB
64KB
64KB
64KB
Block Erase
32KB
32KB
32KB
32KB
32KB
32KB
32KB
Block Erase Detail
(20h Command)
Block Erase
4KB
4KB
4KB
4KB
4KB
4KB
4KB
4KB
4KB
4KB
4KB
4KB
4KB
4KB
4KB
4KB
4KB
4KB
4KB
4KB
4KB
4KB
4KB
4KB
4KB
4KB
4KB
4KB
4KB
4KB
4KB
4KB
4KB
4KB
4KB
4KB
4KB
4KB
4KB
4KB
4KB
4KB
4KB
4KB
4KB
4KB
4KB
4KB
4KB
3FFFFFh – 3FF000h
3FEFFFh – 3FE000h
3FDFFFh – 3FD000h
3FCFFFh – 3FC000h
3FBFFFh – 3FB000h
3FAFFFh – 3FA000h
3F9FFFh – 3F9000h
3F8FFFh – 3F8000h
3F7FFFh – 3F7000h
3F6FFFh – 3F6000h
3F5FFFh – 3F5000h
3F4FFFh – 3F4000h
3F3FFFh – 3F3000h
3F2FFFh – 3F2000h
3F1FFFh – 3F1000h
3F0FFFh – 3F0000h
3EFFFFh – 3EF000h
3EEFFFh – 3EE000h
3EDFFFh – 3ED000h
3ECFFFh – 3EC000h
3EBFFFh – 3EB000h
3EAFFFh – 3EA000h
3E9FFFh – 3E9000h
3E8FFFh – 3E8000h
3E7FFFh – 3E7000h
3E6FFFh – 3E6000h
3E5FFFh – 3E5000h
3E4FFFh – 3E4000h
3E3FFFh – 3E3000h
3E2FFFh – 3E2000h
3E1FFFh – 3E1000h
3E0FFFh – 3E0000h
00FFFFh – 00F000h
00EFFFh – 00E000h
00DFFFh – 00D000h
00CFFFh – 00C000h
00BFFFh – 00B000h
00AFFFh – 00A000h
009FFFh – 009000h
008FFFh – 008000h
007FFFh – 007000h
006FFFh – 006000h
005FFFh – 005000h
004FFFh – 004000h
003FFFh – 003000h
002FFFh – 002000h
001FFFh – 001000h
000FFFh – 000000h
Block Address
Range
(02h Command)
Page Program
1-256 Byte
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
Page Program Detail
3633F–DFLASH–5/7/08
3FFFFFh – 3FFF00h
3FFEFFh – 3FFE00h
3FFDFFh – 3FFD00h
3FFCFFh – 3FFC00h
3FFBFFh – 3FFB00h
3FFAFFh – 3FFA00h
3FF9FFh – 3FF900h
3FF8FFh – 3FF800h
3FF7FFh – 3FF700h
3FF6FFh – 3FF600h
3FF5FFh – 3FF500h
3FF4FFh – 3FF400h
3FF3FFh – 3FF300h
3FF2FFh – 3FF200h
3FF1FFh – 3FF100h
3FF0FFh – 3FF000h
3FEFFFh – 3FEF00h
3FEEFFh – 3FEE00h
3FEDFFh – 3FED00h
3FECFFh – 3FEC00h
3FEBFFh – 3FEB00h
3FEAFFh – 3FEA00h
3FE9FFh – 3FE900h
3FE8FFh – 3FE800h
0017FFh – 001700h
0016FFh – 001600h
0015FFh – 001500h
0014FFh – 001400h
0013FFh – 001300h
0012FFh – 001200h
0011FFh – 001100h
0010FFh – 001000h
000FFFh – 000F00h
000EFFh – 000E00h
000DFFh – 000D00h
000CFFh – 000C00h
000BFFh – 000B00h
000AFFh – 000A00h
0009FFh – 000900h
0008FFh – 000800h
0007FFh – 000700h
0006FFh – 000600h
0005FFh – 000500h
0004FFh – 000400h
0003FFh – 000300h
0002FFh – 000200h
0001FFh – 000100h
0000FFh – 000000h
Page Address
Range