256 Kbit / 512 Kbit / 1 Mbit / 2 Mbit Multi-Purpose Flash
SST27SF256 / SST27SF512 / SST27SF010 / SST27SF020
Data Sheet
TABLE 3: O
PERATION
M
ODES
S
ELECTION FOR
SST27SF256
Mode
Read
Output Disable
Byte-Program
Standby
Chip-Erase
Program/Erase Inhibit
Product Identification
CE#
V
IL
V
IL
V
IL
V
IH
V
IL
V
IH
V
IL
OE#
V
IL
V
IH
V
IH
X
V
IH
X
V
IL
V
PP
V
DD
or V
SS
V
DD
or V
SS
V
PPH
V
DD
or V
SS
V
PPH
V
PPH
V
DD
or V
SS
A
9
A
IN
X
A
IN
X
V
H
X
V
H
DQ
D
OUT
High Z
D
IN
High Z
High Z
High Z
Manufacturer’s ID (BFH)
Device ID (A3H)
Address
A
IN
X
A
IN
X
X
X
A
14
- A
1
= V
IL
, A
0
= V
IL
A
14
- A
1
= V
IL
, A
0
= V
IH
T3.1 502
Note:
X = V
IL
or V
IH
V
PPH
= 12V±5%, V
H
= 12V±5%
TABLE 4: O
PERATION
M
ODES
S
ELECTION FOR
SST27SF512
Mode
Read
Output Disable
Program
Standby
Chip-Erase
Program/Erase Inhibit
Product Identification
CE#
V
IL
V
IL
V
IL
V
IH
V
IL
V
IH
V
IL
OE#/V
PP
V
IL
V
IH
V
PPH
X
V
PPH
V
PPH
V
IL
A
9
A
IN
X
A
IN
X
V
H
X
V
H
DQ
D
OUT
High Z
D
IN
High Z
High Z
High Z
Manufacturer’s ID (BFH)
Device ID (A4H)
Address
A
IN
X
A
IN
X
X
X
A
15
- A
1
= V
IL
, A
0
= V
IL
A
15
- A
1
= V
IL
, A
0
= V
IH
T4.1 502
Note:
X = V
IL
or V
IH
V
PPH
= 12V±5%, V
H
= 12V±5%
TABLE 5: O
PERATION
M
ODES
S
ELECTION FOR
SST27SF010/020
Mode
Read
Output Disable
Program
Standby
Chip-Erase
Program/Erase Inhibit
Product Identification
CE#
V
IL
V
IL
V
IL
V
IH
V
IL
V
IH
V
IL
OE#
V
IL
V
IH
V
IH
X
V
IH
X
V
IL
PGM#
X
X
V
IL
X
V
IL
X
X
A
9
A
IN
X
A
IN
X
V
H
X
V
H
V
PP
V
DD
or V
SS
V
DD
or V
SS
V
PPH
V
DD
or V
SS
V
PPH
V
PPH
V
DD
or V
SS
DQ
D
OUT
High Z
D
IN
High Z
High Z
High Z
Manufacturer’s ID (BFH)
Device ID
1
Address
A
IN
A
IN
A
IN
X
X
X
A
MS2
- A
1
= V
IL
, A
0
= V
IL
A
MS2
- A
1
= V
IL
, A
0
= V
IH
T5.1 502
1. Device ID = A5H for SST27SF010 and A6H for SST27SF020
2. A
MS
= Most significant address
A
MS
= A
16
for SST27SF010 and A
17
for SST27SF020
Note:
X = V
IL
or V
IH
V
PPH
= 12V±5%, V
H
= 12V±5%
©2001 Silicon Storage Technology, Inc.
S71152-02-000 5/01
502
7
SST [ SILICON STORAGE TECHNOLOGY, INC ]
