MX29LV040C
To verify whether or not sector being protected, the sec-
tor address must appear on the appropriate highest order
address bit (seeTable 1 andTable 2).The rest of address
bits, as shown in table 3, are don't care. Once all neces-
sary bits have been set as required, the programming
equipment may read the corresponding identifier code on
Q7~Q0.
TABLE 2. MX29LV040C AUTOMATIC SELECT MODE OPERATION
A18 A15
A8
|
A5
|
Description
CE# OE# WE#
|
|
A9
A6
A1 A0
Q7~Q0
A16 A10
A7
X
A2
X
Read
Manufacture Code
L
L
L
L
H
H
X
X
X
X
VID
VID
L
L
L
L
L
C2H
4FH
Silicon ID Device ID
X
X
H
01H
Sector Protection
Verification
L
L
H
SA
X
VID
X
L
X
H
L
(protected)
00H
(unprotected)
NOTE:SA=Sector Address, X=Don't Care, L=Logic Low, H=Logic High
P/N:PM1149
REV. 1.3, APR. 24, 2006
5
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