A Microchip Technology Company
2 Mbit / 4 Mbit / 8 Mbit Multi-Purpose Flash
SST39LF200A / SST39LF400A / SST39LF800A
SST39VF200A / SST39VF400A / SST39VF800A
Data Sheet
ADDRESS A14-0
CE#
THREE-BYTE SEQUENCE FOR
SOFTWARE ID ENTRY
5555
2AAA
5555
0000
0001
OE#
WE#
DQ15-0
TWP
TIDA
XXAA
SW0
TWPH
XX55
SW1
XX90
SW2
TAA
00BF
Device ID
Device ID = 2789H for SST39LF/VF200A, 2780H for SST39LF/VF400A and 2781H for SST39LF/VF800A
Note: X can be VIL or VIH, but no other value.
1117 F09.4
Figure 13:Software ID Entry and Read
ADDRESS A14-0
CE#
THREE-BYTE SEQUENCE FOR
CFI QUERY ENTRY
5555
2AAA
5555
OE#
WE#
DQ15-0
TWP
TIDA
TWPH
TAA
XXAA
SW0
XX55
SW1
XX98
SW2
Note: X can be VIL or VIH, but no other value.
Figure 14:CFI Query Entry and Read
1117 F20.1
©2011 Silicon Storage Technology, Inc.
22
DS25001A
03/11