2 Mbit / 4 Mbit / 8 Mbit Multi-Purpose Flash
SST39LF200A / SST39LF400A / SST39LF800A
SST39VF200A / SST39VF400A / SST39VF800A
Data Sheet
TABLE 8: DEVICE GEOMETRY INFORMATION FOR SST39LF/VF400A
Address
27H
28H
Data
Data
0013H
0001H
0000H
0000H
0000H
0002H
007FH
0000H
0010H
0000H
0007H
0000H
0000H
0001H
Device size = 2N Byte (13H = 19; 219 = 512 KBytes)
Flash Device Interface description; 0001H = x16-only asynchronous interface
29H
2AH
2BH
2CH
2DH
2EH
2FH
30H
31H
32H
33H
34H
Maximum number of byte in multi-byte write = 2N (00H = not supported)
Number of Erase Sector/Block sizes supported by device
Sector Information (y + 1 = Number of sectors; z x 256B = sector size)
y = 127 + 1 = 128 sectors (007FH = 127)
z = 16 x 256 Bytes = 4 KBytes/sector (0010H = 16)
Block Information (y + 1 = Number of blocks; z x 256B = block size)
y = 7 + 1 = 8 blocks (0007H = 7)
z = 256 x 256 Bytes = 64 KBytes/block (0100H = 256)
T8.1 360
TABLE 9: DEVICE GEOMETRY INFORMATION FOR SST39LF/VF800A
Address
27H
28H
Data
Data
0014H
0001H
0000H
0000H
0000H
0002H
00FFH
0000H
0010H
0000H
000FH
0000H
0000H
0001H
Device size = 2N Byte (14H = 20; 220 = 1 MByte)
Flash Device Interface description; 0001H = x16-only asynchronous interface
29H
2AH
2BH
2CH
2DH
2EH
2FH
30H
31H
32H
33H
34H
Maximum number of byte in multi-byte write = 2N (00H = not supported)
Number of Erase Sector/Block sizes supported by device
Sector Information (y + 1 = Number of sectors; z x 256B = sector size)
y = 255 + 1 = 256 sectors (00FFH = 255)
z = 16 x 256 Bytes = 4 KBytes/sector (0010H = 16)
Block Information (y + 1 = Number of blocks; z x 256B = block size)
y = 15 + 1 = 16 blocks (000FH = 15)
z = 256 x 256 Bytes = 64 KBytes/block (0100H = 256)
T9.0 360
©2001 Silicon Storage Technology, Inc.
S71117-04-000 6/01 360
10
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