MX26LV004T Macronix, MX26LV004T Datasheet - Page 7

• Manufacturer Part Number: MX26LV004T
• Description: (MX26LV004T/B) 4M-Bit CMOS Single Voltage 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 4. MX26LV004T/B COMMAND DEFINITIONS
Note:
1. ADI = Address of Device identifier; A1=0, A0 = 0 for manufacturer code,A1=0, A0 = 1 for device code. A2-A18=do not care.
2. PA = Address of memory location to be programmed.
3. Address A18-A11 are don't cares for unlock and command cycles.
P/N:PM1099
Command
Reset
Read
Read
Silicon ID
Program
Chip Erase
Sector Erase
(Refer to table 3)
DDI = Data of Device identifier : C2H for manufacture code, B5/B6 (Top/Bottom Boot) for device code.
X = X can be VIL or VIH
RA=Address of memory location to be read.
RD=Data to be read at location RA.
PD = Data to be programmed at location PA.
SA = Address of the sector.
Top Boot
Bottom Boot
Cycle Addr
Bus Cycle
1
4
4
4
6
6
1
First Bus
XXXH F0H
RA
555H AAH 2AAH
555H AAH 2AAH
555H AAH 2AAH
555H AAH 2AAH
555H AAH 2AAH
Data Addr
RD
Second Bus
Cycle
Data Addr
55H
55H
55H
55H
55H
7
Third Bus
Cycle
555H
555H
555H
555H
555H
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.
Data Addr
90H ADI
90H ADI
A0H PA
80H 555H AAH
80H 555H AAH
MX26LV004T/B
Fourth Bus
Cycle
Data
DDI
DDI
PD
Fifth Bus
Cycle
Addr
2AAH 55H
2AAH 55H
Data Addr Data
REV. 0.02, JUL. 12, 2004
Sixth Bus
Cycle
555H 10H
SA
30H