7 / 56 page
7
P/N:PM1017
REV. 1.0, SEP. 20, 2004
MX29LV033A
Operation
CE#
OE#
WE#
RESET#
Address
Q0~Q7
Read
L
L
H
H
A
IN
D
OUT
Write(Note 1)
L
H
L
H
A
IN
D
IN
Standby
VCC
±0.3V
X
X
VCC
±0.3V
X
High-Z
Output Disable
L
H
H
H
X
High-Z
Reset
X
X
X
L
X
High-Z
Sector Group Protect
L
H
L
V
ID
Sector Addresses,
D
IN, DOUT
(Note 2)
A6=L, A1=H, A0=L
Chip Unprotected
L
H
L
V
ID
Sector Addresses,
D
IN, DOUT
(Note 2)
A6=H, A1=H, A0=L
Temporary Sector Group
X
X
X
V
ID
A
IN
D
IN
Unprotected
Legend:
L=Logic LOW=V
IL,H=Logic High=VIH,VID=12.0±0.5V,X=Don't Care, AIN=Address IN, DIN=Data IN, DOUT=Data OUT
Notes:
1.When the ACC pin is at V
HH, the device enters the accelerated program mode. See "Accelerated Program Operations"
for more information.
2.The sector group protect and chip unprotected functions may also be implemented via programming equipment.
See the "Sector Group Protection and Chip Unprotected" section.
Table 1
BUS OPERATION (1)
Operation
CE#
OE#
WE#
A0
A1
A6
A9
Q0~Q7
Read Silicon ID
L
L
H
L
L
X
V
ID
C2H
Manufactures Code
Read Silicon ID
L
L
H
H
L
X
V
ID
A3H
Device Code
Sector Group Protect
L
V
ID
LX
X
L
V
ID
X
Chip Unprotected
L
V
ID
LX
X
H
V
ID
X
Sector Protect Verify
L
L
H
X
H
X
V
ID
Code(1)
BUS OPERATION(2)
Notes:
1.code=00h means unprotected, or code=01h means protected