16 Mbit Multi-Purpose Flash Plus
A Microchip Technology Company
SST39WF1601 / SST39WF1602
Data Sheet
Operations
Table 5: Operation Modes Selection
Mode
Read
Program
Erase
CE#
V IL
V IL
V IL
OE#
V IL
V IH
V IH
WE#
V IH
V IL
V IL
DQ
D OUT
D IN
X 1
Address
A IN
A IN
Sector or block address,
XXH for Chip-Erase
Standby
Write Inhibit
V IH
X
X
X
V IL
X
X
X
V IH
High Z
High Z/ D OUT
High Z/ D OUT
X
X
X
Product Identification
Software Mode
V IL
V IL
V IH
See Table 6
T5.0 25014
1. X can be V IL or V IH , but no other value.
Table 6: Software Command Sequence
Command
Sequence
1st Bus
Write Cycle
2nd Bus
Write Cycle
3rd Bus
Write Cycle
4th Bus
Write Cycle
5th Bus
Write Cycle
6th Bus
Write 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
Word-Program
5555H
AAH
2AAAH
55H
5555H
A0H
WA 3
Data
Sector-Erase
Block-Erase
Chip-Erase
5555H
5555H
5555H
AAH
AAH
AAH
2AAAH
2AAAH
2AAAH
55H
55H
55H
5555H
5555H
5555H
80H
80H
80H
5555H
5555H
5555H
AAH
AAH
AAH
2AAAH
2AAAH
2AAAH
55H
55H
55H
SA X4
BA X4
5555H
30H
50H
10H
Erase-Suspend
Erase-Resume
XXXXH
XXXXH
B0H
30H
Query Sec ID 5
5555H
AAH
2AAAH
55H
5555H
88H
User Security ID
5555H
AAH
2AAAH
55H
5555H
A5H
WA 6
Data
Word-Program
User Security ID
5555H
AAH
2AAAH
55H
5555H
85H
XXH 6
0000
Program Lock-Out
H
Software ID Entry 7,8
SST CFI Query Entry
5555H
5555H
AAH
AAH
2AAAH
2AAAH
55H
55H
5555H
5555H
90H
98H
General CFI Query
Mode
55H
98H
Software ID Exit 9,10
5555H
AAH
2AAAH
55H
5555H
F0H
/CFI Exit/Sec ID Exit
Software ID Exit 9,10
XXH
F0H
/CFI Exit/Sec ID Exit
T6.0 25014
1. Address format A 14 -A 0 (Hex).
Addresses A 15 -A 19 can be V IL or V IH , but no other value, for Command sequence for SST39WF1601/1602.
2. DQ 15 -DQ 8 can be V IL or V IH , but no other value, for Command sequence
3. WA = Program Word address
4. SA X for Sector-Erase; uses A MS -A 11 address lines
BA X , for Block-Erase; uses A MS -A 15 address lines
A MS = Most significant address
A MS = A 19 for SST39WF1601/1602
?2011 Silicon Storage Technology, Inc.
12
DS-25014A
04/11
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