MX29LV040C
COMMAND DEFINITIONS
sequences. Note that the Erase Suspend (B0H) and
Erase Resume (30H) commands are valid only while the
Sector Erase operation is in progress.
Device operations are selected by writing specific ad-
dress and data sequences into the command register.
Writing incorrect address and data values or writing them
in the improper sequence will reset the device to the
read mode. Table 3 defines the valid register command
TABLE 4. MX29LV040C BUS OPERATION
ADDRESS
DESCRIPTION
CE#
OE#
WE# A18 A15 A9 A8 A6 A5 A1 A0
Q0~Q7
A16 A10
A7
AIN
AIN
X
A2
Read
L
L
H
L
Dout
Write
L
H
X
H
X
H
H
L
DIN(3)
High Z
High Z
High Z
X
Reset
X
X
H
X
L
Output Disable
Standby
L
X
Vcc±0.3V
X
Sector Protect
Chip Unprotect
Sector Protection Verify
L
L
L
SA
X
X
X
X
X
X
X
L
H
L
X
X
X
H
H
H
L
L
L
L
X
X
H
SA
VID
X
CODE(5)
NOTES:
1. Manufacture and device codes may also be accessed via a command register write sequence. Refer to Table 3.
2. VID is the Silicon-ID-Read high voltage, 11.5V to 12.5V.
3. Refer toTable 3 for valid Data-In during a write operation.
4. X can be VIL or VIH, L=Logic Low=VIL, H=Logic High=VIH.
5.Code=00H/XX00H means unprotected.
Code=01H/XX01H means protected.
6. A18~A13=Sector address for sector protect.
P/N:PM1149
REV. 1.3, APR. 24, 2006
7
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