MX29LAA641D MCNIX [Macronix International], MX29LAA641D Datasheet - Page 22

• Manufacturer Part Number: MX29LAA641D
• Description: 64M-BIT [4M x 16/8M x 8] CMOS EQUAL SECTOR
• Manufacturer: MCNIX [Macronix International]

SECTOR ERASE SUSPEND
During sector erasure, sector erase suspend is the only valid command. If user issue erase suspend command in the
time-out period of sector erasure, device time-out period will be over immediately and the device will go back to erase-
suspended read array mode. If user issue erase suspend command during the sector erase is being operated, device
will suspend the ongoing erase operation, and after the Tready1 (<=20us) suspend finishes and the device will enter
erase-suspended read array mode. User can judge if the device has finished erase suspend through Q6, Q7, and RY/
BY#.
After device has entered erase-suspended read array mode, user can read other sectors not at erase suspend by the
speed of Taa; while reading the sector in erase-suspend mode, device will output its status. User can use Q6 and Q2
to judge the sector is erasing or the erase is suspended.
When the device has suspended erasing, user can execute the command sets except sector erase and chip erase,
such as read silicon ID, sector protect verify, program, CFI query and erase resume.
SECTOR ERASE RESUME
Sector erase resume command is valid only when the device is in erase suspend state. After erase resume, user can
issue another erase suspend command, but there should be a 4ms interval between erase resume and the next erase
suspend. If user issue infinite suspend-resume loop, or suspend-resume exceeds 1024 times, the time for erasing will
increase.
P/N:PM1289
Status
Erase suspend read in erase suspended sector
Erase suspend read in non-erase suspended sector
Erase suspend program in non-erase suspended sector
22
MX29LA641D H/L
Data
Q7#
Q7
1
No toggle
Toggle
Data
Q6
Data
Q5
0
0
Data
N/A
N/A
Q3
Toggle
REV. 1.1, JAN. 06, 2009
Data
N/A
Q2
RY/BY#
1
1
0