W19B320AT/B
9.11 DQ 2 vs. DQ6 Waveform
Enter
Embedded
Erasing
Erase
Suspend
Enter Erase
Suspend Program
Erase
Resume
#WE
Erase
Erase Suspend
Read
Erase
Erase Suspend
Read
Erase
Erase
Complete
Suspend
Program
DQ6
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
V ID
V ID
#RESET
V SS , V IL ,
or V IH
T VIDR
T VIDR
V SS , V IL ,
or V IH
Program or Erase Command Sequence
#CE
#WE
T RSP
T RRB
RY/#BY
9.13 Sector/Sector Block Protect and Unprotect Timing Diagram
V ID
#RESET
V IH
SA,A6,
A1,A0
Valid*
Sector/sector Block Protect or Unprotect
Valid*
Verify
Valid*
DATA
60h
60h
40h
Status
Sector/Sector Block Protect:150
Sector/Sector Block Unprotect:15ms
μ s,
#CE
1 μ s
#WE
#OE
*For sector protect,A6=0,A1=1,A0=0.For sector unprotect ,A6=1,A1=1,A0=0
Publication Release Date: December 27, 2005
- 47 -
Revision A4
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W19B320B 制造商:WINBOND 制造商全称:Winbond 功能描述:32Mbit, 2.7~3.6-volt single bank CMOS flash memory
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