MX29LV004B Macronix, MX29LV004B Datasheet - Page 8

• Manufacturer Part Number: MX29LV004B
• Description: 4M-Bit CMOS Single Voltage 3V Only 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
TABLE 5. MX29LV004T/B BUS OPERATION
NOTES:
1. Manufacturer and device codes may also be accessed via a command register write sequence. Refer to Table 4.
2. VID is the Silicon-ID-Read high voltage, 11.5V to 12.5V.
3. Refer to Table 4 for valid Data-In during a write operation.
4. X can be VIL or VIH.
5. Code=00H means unprotected.
6. A18~A13=Sector address for sector protect.
7. The sector protect and chip unprotect functions may also be implemented via programming equipment.
8. RESET# pin for 40-TSOP package type only.
P/N:PM0732
DESCRIPTION
Read
Write
Reset
Temporary sector unlock
Output Disable
Standby
Sector Protect
Chip Unprotect
Sector Protection Verify
Code=01H means protected.
Vcc
0.3V
CE#
L
L
X
X
L
L
L
L
OE# WE# SET#
H
H
H
H
X
X
X
L
L
H
X
X
H
X
H
L
L
L
Vcc
0.3V
RE-
VID
VID
VID
(8)
H
H
H
H
L
A13 A10
A18 A12 A9 A8
SA
SA
X
X
X
X VID X
8
X
X
ADDRESS
read mode. Table 4 defines the valid register command
sequences. Note that the Erase Suspend (B0H) and
Erase Resume (30H) commands are valid only while the
Sector Erase operation is in progress.
AIN
AIN
AIN
A7
X
X
X
X
X
A6 A5 A1 A0
H
L
L
MX29LV004T/B
A2
X
X
X
H
H
H
L
L
L
CODE(5)
Q0~Q7
DIN(3)
High Z
High Z
High Z
Dout
DIN
DIN
DIN
High Z
High Z
High Z
BYTE
=VIH
Dout
DIN
DIN
X
X
X
REV. 1.7, DEC. 20, 2004
Q8~Q15
Q8~Q14=High Z
Q8~Q14=High Z
Q15=A-1
Q15=A-1
High Z
High Z
High Z
High Z
BYTE
=VIL
X
X
X