MX29LV040C
To verify whether or not sector being protected, the sec-
tor address must appear on the appropriate highest order
address bit (see Table 1 and Table 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
Description
Read
Manufacture Code
CE# OE# WE#
L
L
L
L
L
L
H
H
H
|
X
X
SA
|
X
X
X
A9
VID
VID
VID
A16 A10
Silicon ID Device ID
Sector Protection
Verification
A8
|
A7
X
X
X
L
L
L
A6
A5
|
A2
X
X
X
L
L
H
L
H
L
C2H
4FH
01H
(protected)
00H
(unprotected)
NOTE:SA=Sector Address, X=Don't Care, L=Logic Low, H=Logic High
A1
A0
Q7~Q0
P/N:PM1149
REV. 1.3, APR. 24, 2006
5