W19B160BT Datasheet, PDF (42/48 Pages) Winbond – 16Mbit, 2.7~3.6 volt CMOS flash memory

W19B160BT/B DATA SHEET
10.9 Temporary Sector Unprotect Timing Diagram
12V
#RESET ^{0 or 3V}
TVIDR
#CE
#WE
RY/#BY
TRSP
TVIDR
Program or Erase Command Sequence
10.10 Sector Protect and Unprotect Timing Diagram
VID
#RESET ^VIH
SA,A6,
A1,A0
DATA
#CE
#WE
Valid*
Sector Protect or Unprotect
60h
60h
1μs
Sector Protect:150μs,
Sector Unprotect:15ms
Valid*
Verify
40h
#OE
Note: For sector protect, A6=0, A1=1, A0=0.
For sector unprotect, A6=1, A1=1, A0=0.
Valid*
Status
- 42 -