AM29LV160BT-90SC AMD (ADVANCED MICRO DEVICES), AM29LV160BT-90SC Datasheet - Page 18

• Manufacturer Part Number: AM29LV160BT-90SC
• Description: IC 16MX16, 3V 100K FLSH, TOP B
• Manufacturer: AMD (ADVANCED MICRO DEVICES)

Temporary Sector Unprotect
This feature allows temporary unprotection of previ-
ously protected sectors to change data in-system. The
Sector Unprotect mode is activated by setting the RE-
SET# pin to V
sectors can be programmed or erased by selecting the
sector addresses. Once V
SET# pin, all the previously protected sectors are
protected again. Figure shows the algorithm, and Fig-
ure 22 shows the timing diagrams, for this feature.
16
ID
. During this mode, formerly protected
ID
is removed from the RE-
Am29LV160B
Notes:
1. All protected sectors unprotected.
2. All previously protected sectors are protected once
Figure 1. Temporary Sector Unprotect Operation
again.
Unprotect Completed
Program Operations
Temporary Sector
Perform Erase or
RESET# = V
RESET# = V
(Note 1)
(Note 2)
START
ID
IH
21358H-5