W19B320BT Datasheet, PDF (50/56 Pages) Winbond – 2.7~3.6-volt write (program and erase) operations

W19B320BT/B DATASHEET
9.11 DQ 2 vs. DQ6 Waveform
#WE
Enter
Embedded
Erasing
DQ6
Erase
Suspend
Erase
Enter Erase
Suspend Program
Erase Suspend
Read
Erase
Suspend
Program
Erase
Resume
Erase Suspend
Read
Erase
Erase
Complete
DQ2
Note: DQ2 toggles only when read at an address within an erase-suspended sector. The sysytem may use #OE or #CE to
toggle DQ2 and DQ6.
9.12 Temporary Sector Unprotect Timing Diagram
#RESET
V_ID
VSS ,V_IL,
or VIH
TVIDR
#CE
#WE
RY/#BY
T RSP
Program or Erase Command Sequence
TVIDR
V_ID
VSS ,V_IL,
or VIH
TRRB
9.13 Sector/Sector Block Protect and Unprotect Timing Diagram
VID
#RESET ^VIH
SA,A6,
A1,A0
DATA
#CE
#WE
Valid*
Sector/sector Block Protect or Unprotect
60h
60h
Valid*
Verify
40h
Sector/Sector Block Protect:150μs,
Sector/Sector Block Unprotect:15ms
1^μs
#OE
Valid*
Status
*For sector protect,A6=0,A1=1,A0=0.For sector unprotect ,A6=1,A1=1,A0=0
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Publication Release Date:Dec.25, 2007
Revisionv A3