A d v a n c e I n f o r m a t i o n
VID
VID
RESET#
VSS, VIL,
or VIH
VSS, VIL,
or VIH
tVIDR
tVIDR
Program or Erase Command Sequence
CE#
WE#
tRRB
tRSP
RY/BY#
Figure 22. Temporary Sector Group Unprotect Timing Diagram
V
V
ID
IH
RESET#
SA, A6,
A3, A2,
A1, A0
Valid*
Valid*
Valid*
Status
Sector Group Protect or Unprotect
Verify
40h
Data
60h
60h
Sector Group Protect: 150 µs,
Sector Group Unprotect: 15 ms
1 µs
CE#
WE#
OE#
Note: For sector group protect, A6:A0 = 0xx0010. For sector group unprotect, A6:A0 = 1xx0010.
Figure 23. Sector Group Protect and Unprotect Timing Diagram
76
S29GL-A MirrorBit™ Flash Family
S29GL-A_00_A3 April 22, 2005