W19B(L)320ST/B
9.11 Temporary Sector Unprotect Timing Diagram
V
ID
V
ID
VSS
VSS
,
VIL
,
VIL
,
,
or
or
V
V
IH
IH
#RESET
T
VIDR
TVIDR
Program or Erase Command Sequence
#CE
#WE
TRSP
RRB
T
RY/#BY
9.12 Sector/Sector Block Protect and Unprotect Timing Diagram
VID
V
IH
#RESET
SA,A6,
Valid*
Status
Valid*
Valid*
Verify
A1,A0
Sector/sector Block Protect or Unprotect
60h
60h
40h
μ
DATA
Sector/Sector Block Protect:150 s,
Sector/Sector Block Unprotect:15ms
μ
s
1
#CE
#WE
#OE
*For sector protect,A6=0,A1=1,A0=0.For sector unprotect ,A6=1,A1=1,A0=0
Publication Release Date: March 23, 2004
Revision A2
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