Datasheet
©2011 Silicon Storage Technology, Inc. DS-25015A 04/11
45
64 Mbit (x16) Advanced Multi-Purpose Flash Plus
SST38VF6401 / SST38VF6402 / SST38VF6403 / SST38VF6404
Data Sheet
A
Microchip Technology Company
Figure 18:Software ID Exit/CFI Exit
Figure 19:Sec ID Entry
1309 F13.0
ADDRESS A
MS-0
DQ
15-0
T
IDA
T
WP
T
WHP
WE#
SW0 SW1 SW2
555 2AA 555
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.
A
MS
= Most significant address
A
MS
=A
21
for SST38VF6401/6402/6403/6404
X can be V
IL
or V
IH,
but no other value.
1309 F14.1
ADDRESS A
MS-0
T
IDA
DQ
15-0
WE#
SW0 SW1 SW2
555 2AA 555
OE#
CE#
THREE-BYTE SEQUENCE FOR
SEC ID ENTRY
T
WP
T
WPH
T
AA
XX55XXAA XX88
Note: A
MS
= Most significant address
A
MS
=A
21
for SST38VF6401/6402/6403/6404
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.