Datasheet

©2011 Silicon Storage Technology, Inc. DS25001A 03/11
12
2 Mbit / 4 Mbit / 8 Mbit Multi-Purpose Flash
SST39LF200A / SST39LF400A / SST39LF800A
SST39VF200A / SST39VF400A / SST39VF800A
Data Sheet
A
Microchip Technology Company
Table 7: Device Geometry Information for SST39LF/VF200A
Address Data Data
27H 0012H Device size = 2
N
Byte (12H = 18; 2
18
= 256 KByte)
28H 0001H Flash Device Interface description; 0001H = x16-only asynchronous interface
29H 0000H
2AH 0000H Maximum number of bytes in multi-byte write = 2
N
(00H = not supported)
2BH
2CH 0002H Number of Erase Sector/Block sizes supported by device
2DH 003FH Sector Information (y+1=Number of sectors; z x 256B = sector size)
2EH 0000H y = 63+1=64sectors (003FH = 63)
2FH 0010H
30H 0000H z = 16 x 256 Bytes = 4 KByte/sector (0010H = 16)
31H 0003H Block Information (y+1=Number of blocks; z x 256B = block size)
32H 0000H y=3+1=4blocks(0003H = 3)
33H 0000H
34H 0001H z = 256 x 256 Bytes = 64 KByte/block (0100H = 256)
T7.2 25001
Table 8: Device Geometry Information for SST39LF/VF400A
Address Data Data
27H 0013H Device size = 2
N
Byte (13H = 19; 2
19
= 512 KByte)
28H 0001H Flash Device Interface description; 0001H = x16-only asynchronous interface
29H 0000H
2AH 0000H Maximum number of bytes in multi-byte write = 2
N
(00H = not supported)
2BH 0000H
2CH 0002H Number of Erase Sector/Block sizes supported by device
2DH 007FH Sector Information (y+1=Number of sectors; z x 256B = sector size)
2EH 0000H y = 127+1=128sectors (007FH = 127)
2FH 0010H
30H 0000H z = 16 x 256 Bytes = 4 KByte/sector (0010H = 16)
31H 0007H Block Information (y+1=Number of blocks; z x 256B = block size)
32H 0000H y=7+1=8blocks(0007H = 7)
33H 0000H
34H 0001H z = 256 x 256 Bytes = 64 KByte/block (0100H = 256)
T8.1 25001