MX29LV040 Macronix, MX29LV040 Datasheet - Page 7

• Manufacturer Part Number: MX29LV040
• Description: 4M-Bit CMOS Single Voltage 3V Flash Memory
• Manufacturer: Macronix

COMMAND DEFINITIONS
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. MX29LV040 BUS OPERATION
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 to Table 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.
6. A18~A13=Sector address for sector protect.
P/N:PM0722
DESCRIPTION
Read
Write
Reset
Output Disable
Standby
Sector Protect
Chip Unprotect
Sector Protection Verify
Code=01H/XX01H means protected.
Vcc 0.3V
CE#
L
L
X
L
L
L
L
OE#
L
H
X
H
X
H
H
L
WE#
H
L
X
H
X
L
L
H
7
sequences. Note that the Erase Suspend (B0H) and
Erase Resume (30H) commands are valid only while the
Sector Erase operation is in progress.
A16 A10
A18 A15 A9
SA
SA
X
X
X
X
VID
X
X
ADDRESS
AIN
AIN
A8
A7
X
X
X
X
X
X
MX29LV040
A6
H
L
L
A5
A2
X
X
X
A1
H
H
H
REV. 1.3, DEC. 20, 2004
A0
L
L
L
Q0~Q7
Dout
DIN(3)
High Z
High Z
High Z
X
X
CODE(5)