Datasheet
©2011 Silicon Storage Technology, Inc. DS-25015A 04/11
44
64 Mbit (x16) Advanced Multi-Purpose Flash Plus
SST38VF6401 / SST38VF6402 / SST38VF6403 / SST38VF6404
Data Sheet
A
Microchip Technology Company
Figure 16:Software ID Entry and Read
Figure 17:CFI Query Entry and Read
1309 F11.0
ADDRESS A
MS-0
T
IDA
DQ
15-0
WE#
SW0 SW1 SW2
555 2AA 555 0000 0001
OE#
CE#
Three-Byte Sequence for Software ID Entry
T
WP
T
WPH
T
AA
00BF
Device ID
XX55XXAA XX90
Note: Device ID = 536B for
SST38VF6401, 536A for SST38VF6402, 536D for SST38VF6403, 536C for SST38VF6404
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.
1309 F12.2
ADDRESS A
MS-0
T
IDA
DQ
15-0
WE#
55H
OE#
CE#
T
WP
T
AA
98H
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.