512 Kbit Page-Mode EEPROM
SST29EE512 / SST29LE512 / SST29VE512
Data Sheet
TABLE 3: O
PERATION
M
ODES
S
ELECTION
Mode
Read
Page-Write
Standby
Write Inhibit
Software Chip-Erase
Product Identification
Software Mode
SDP Enable Mode
SDP Disable Mode
V
IL
V
IL
V
IL
V
IH
V
IH
V
IH
V
IL
V
IL
V
IL
Manufacturer’s ID (BFH)
Device ID
2
See Table 4
See Table 4
See Table 4
T3.4 301
CE#
V
IL
V
IL
V
IH
X
X
V
IL
OE#
V
IL
V
IH
X
1
V
IL
X
V
IH
WE#
V
IH
V
IL
X
X
V
IH
V
IL
DQ
D
OUT
D
IN
High Z
High Z/ D
OUT
High Z/ D
OUT
D
IN
Address
A
IN
A
IN
X
X
X
A
IN,
See Table 4
1. X can be V
IL
or V
IH
, but no other value.
2. Device ID = 5DH for SST29EE512 and 3DH for SST29LE/VE512
TABLE 4: S
OFTWARE
C
OMMAND
S
EQUENCE
Command
Sequence
Software
Data Protect Enable
& Page-Write
Software
Data Protect Disable
Software ID Entry
4,5
Software ID Exit
Alternate
Software ID Entry
6
1st Bus
Write Cycle
Addr
1
5555H
Data
AAH
2nd Bus
Write Cycle
Addr
1
2AAAH
Data
55H
3rd Bus
Write Cycle
Addr
1
5555H
Data
A0H
4th Bus
Write Cycle
Addr
1
Addr
2
Data
Data
5th Bus
Write Cycle
Addr
1
Data
6th Bus
Write Cycle
Addr
1
Data
5555H
AAH
AAH
AAH
AAH
AAH
2AAAH
2AAAH
2AAAH
2AAAH
2AAAH
55H
55H
55H
55H
55H
5555H
5555H
5555H
5555H
5555H
80H
80H
90H
F0H
80H
5555H
5555H
AAH
AAH
2AAAH
2AAAH
55H
55H
5555H
5555H
20H
10H
Software Chip-Erase
3
5555H
5555H
5555H
5555H
5555H
AAH
2AAAH
55H
5555H
60H
T4.2 301
1. Address format A
14
-A
0
(Hex), Address A
15
can be V
IL
or V
IH
, but no other value.”
2. Page-Write consists of loading up to 128 Bytes (A
6
-A
0
)
3. The software Chip-Erase function is not supported by the industrial temperature part.
Please contact SST if you require this function for an industrial temperature part.
4. The device does not remain in Software Product ID Mode if powered down.
5. With A
14
-A
1
=0; SST Manufacturer’s ID= BFH, is read with A
0
= 0,
SST29EE512 Device ID = 5DH, is read with A
0
= 1
SST29LE/VE512 Device ID = 3DH, is read with A
0
= 1
6. Alternate six-byte Software Product ID Command Code
Note:
This product supports both the JEDEC standard three-byte command code sequence and SST’s original six-byte command code
sequence. For new designs, SST recommends that the three-byte command code sequence be used.
©2001 Silicon Storage Technology, Inc.
S71060-06-000 6/01
301
6
SST [ SILICON STORAGE TECHNOLOGY, INC ]
