SST29SF040 SST [Silicon Storage Technology, Inc], SST29SF040 Datasheet - Page 5
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SST29SF040
Manufacturer Part Number
SST29SF040
Description
4 Mbit (x8) Small-Sector Flash
Manufacturer
SST [Silicon Storage Technology, Inc]
Datasheet
1.SST29SF040.pdf
(22 pages)
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4 Mbit Small-Sector Flash
SST29SF040 / SST29VF040
TABLE 2: P
TABLE 3: O
©2004 Silicon Storage Technology, Inc.
Symbol
A
DQ
CE#
OE#
WE#
V
V
NC
Mode
Read
Program
Erase
Standby
Write Inhibit
Product Identification
Software Mode
MS
DD
SS
1. A
1. X can be V
7
1
-DQ
-A
A
MS
MS
0
0
= Most significant address
= A
18
for SST29SF/VF040
IN
Pin Name
Address Inputs
Data Input/output
Chip Enable
Output Enable
Write Enable
Power Supply
Ground
No Connection
PERATION
IL
or V
D
ESCRIPTION
IH
, but no other value.
M
ODES
CE#
V
V
V
V
V
X
X
IH
IL
IL
IL
IL
S
sector.
Data is internally latched during a Write cycle.
The outputs are in tri-state when OE# or CE# is high.
Pin not connected internally
Functions
To provide memory addresses. During Sector-Erase A
To output data during Read cycles and receive input data during Write cycles.
To activate the device when CE# is low.
To gate the data output buffers.
To control the Write operations.
To provide power supply voltage:
ELECTION
OE#
V
V
V
V
V
X
X
IH
IH
IL
IL
IL
WE#
V
V
V
V
V
X
X
IH
IH
IH
IL
IL
DQ
D
D
X
High Z
High Z/ D
High Z/ D
OUT
IN
1
OUT
OUT
5
4.5-5.5V for SST29SF040
2.7-3.6V for SST29VF040
MS
Address
A
A
Sector address,
XXH for Chip-Erase
X
X
X
See Table 4
IN
IN
-A
8
address lines will select the
S71160-10-000
Data Sheet
T2.4 1160
T3.4 1160
2/04