Datasheet

©2011 Silicon Storage Technology, Inc. DS-25015A 04/11
24
64 Mbit (x16) Advanced Multi-Purpose Flash Plus
SST38VF6401 / SST38VF6402 / SST38VF6403 / SST38VF6404
Data Sheet
A
Microchip Technology Company
Table 11:Software Command Sequence (1 of 3)
Command
Sequence
1st Bus
Cycle
2nd Bus
Cycle
3rd Bus
Cycle
4th Bus
Cycle
5th Bus
Cycle
6th Bus
Cycle
7th Bus
Cycle
Addr
1
Data
2
Addr
1
Data
2
Addr
1
Data
2
Addr
1
Data
2
Addr
1
Data
2
Addr
1
Data
2
Addr
1
Data
2
Read
3
WA Data
Page Read
3
WA
0
Data
0
WA
1
Data
1
WA
2
Data
2
WA
3
Data
3
Word-Program 555H AAH 2AAH 55H 555H A0H WA Data
Write-Buffer Programming
Write-to-Buffer
4
555H AAH 2AAH 55H BA 25H BA WC WA
X
Data WA
X
Data WA
X
Data
Program Buffer-
to- Flash
BA
X
29H
Write-to-Buffer
Abort-Reset
555H AAH 2AAH 55H 555H F0H
Bypass Mode
5
Bypass Mode
Entry
555H AAH 2AAH 55H 555H 20H
Bypass Word-Pro-
gram
XXXH A0H WA Data
Bypass Sector
Erase
XXXH 80H SA 50H
Bypass Block
Erase
XXXH 80H BA 30H
Bypass Chip
Erase
XXXH 80H 555H 10H
Bypass Mode
Exit
XXXH 90H XXXH 00H
Erase Related
Sector-Erase 555H AAH 2AAH 55H 555H 80H 555H AAH 2AAH 55H SA
X
50H
Block-Erase
6
555H AAH 2AAH 55H 555H 80H 555H AAH 2AAH 55H BAx 30H
Chip-Erase 555H AAH 2AAH 55H 555H 80H 555H AAH 2AAH 55H 555H 10H
Erase Suspend XXXH B0H
Erase Resume XXXH 30H
Security ID
SEC ID Entry
7
555H AAH 2AAH 55H 555H 88H
SEC ID Read
3,8
WA
X
Data
SEC ID Exit 555H AAH
2AAH 55H 555H 90H XXH 00H
Software ID Exit
/CFI Exit/SEC
ID Exit
9
555H AAH 2AAH 55H 555H F0H
Software ID Exit
/CFI Exit/SEC
ID Exit
9
XXH F0H
User Security ID
Word-Pro-
gram
10
555H AAH 2AAH 55H 555H A5H WA
X
Data
User Security ID
Program Lock-
Out
555H AAH 2AAH 55H 555H 85H XXH 0000H