Datasheet

©2011 Silicon Storage Technology, Inc. DS25028A 08/11
23
16 Mbit / 32 Mbit Multi-Purpose Flash Plus
SST39VF1601 / SST39VF3201
SST39VF1602 / SST39VF3202
Not Recommended for New Designs
A
Microchip Technology Company
Figure 14:Software ID Exit/CFI Exit
Figure 15:SecIDEntry
1223 F13.0
ADDRESS A
14-0
DQ
15-0
T
IDA
T
WP
T
WHP
WE#
SW0 SW1 SW2
5555 2AAA 5555
THREE-BYTE SEQUENCE FOR
SOFTWARE ID EXIT AND RESET
OE#
CE#
XXAA XX55 XXF0
Note: WP# must be held in proper logic state (V
IL
or V
IH
) 1 µs prior to and 1 µs after the command sequence
X can be V
IL
or V
IH,
but no other value
1223 F20.2
ADDRESS A
MS-0
T
IDA
DQ
15-0
WE#
SW0 SW1 SW2
5555 2AAA 5555
OE#
CE#
THREE-BYTE SEQUENCE FOR
CFI QUERY ENTRY
T
WP
T
WPH
T
AA
XX55XXAA XX88
Note: A
MS
= Most significant address
A
MS
=A
19
for SST39VF1601/1602 and A
20
for SST39VF3201/3202
WP# must be held in proper logic state (V
IL
or V
IH
) 1 µs prior to and 1 µs after the command sequence
X can be V
IL
or V
IH,
but no other value.