MX29LA129M H/L
Table 2. AUTOSELECT CODES (High Voltage Method)
A23 A15
A9
A6 A4
Q8 to Q15
Byte
Description
CEx OE# WE# to to A10 to A7 to
to A2 A1 Word
Q7 to Q0
A16 A11
A8
A5 A3
Mode
00
Mode
Manufacturer ID enable
Cycle 1
L
L
H
H
X
X
VID
VID
X
L
L
X
L
L
L
L
L
H
L
X
X
X
X
C2h
7Eh
22
Cycle 2
Cycle 3
enable
X
X
X
X
X
H
H
H
H
22
12h
H
22
00h
Sector Group
Protection
01h (protected),
enable
L
L
H
H
SA
X
X
VID
VID
L
L
X
X
L
L
H
H
L
X
X
X
Verification
00h (unprotected)
98h
Secured Silicon
Sector Indicator
Bit (Q7), WP#
protects highest
address sector
Secured Silicon
Sector Indicator
Bit (Q7), WP#
protects lowest
address sector
(factory locked),
enable
enable
X
X
X
H
X
18h
(not factory locked)
88h
(factory locked),
L
H
X
X
VID
L
X
L
H
H
X
X
08h
(not factory locked)
Legend: L = Logic Low = VIL, H = Logic High = VIH, SA = Sector Address, X = Don't care.
P/N:PM1171
REV. 1.0, FEB. 27, 2006
14
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