W19B320ATB7L
| Model | W19B320ATB7L |
| Description | Flash, 2MX16, 70ns, PBGA48, 6 X 8 MM, 0.80 MM PITCH, TFBGA-48 |
| PDF file | Total 53 pages (File size: 479K) |
| Chip Manufacturer | WINBOND |
W19B320AT/B
9.11 DQ 2 vs. DQ6 Waveform
Enter
Embedded
Erasing
Erase
Suspend
Enter Erase
Suspend Program
Erase Suspend
Read
Erase
Resume
Erase Suspend
Read
Erase
Erase
Complete
#WE
Erase
Erase
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
#RESET
#CE
#WE
T
RSP
RY/#BY
T
RRB
V
SS
,
V
IL
,
or
V
IH
V
ID
V
SS
,
V
IL
,
or
V
IH
T
VIDR
Program or Erase Command Sequence
T
VIDR
9.13 Sector/Sector Block Protect and Unprotect Timing Diagram
V
ID
#RESET
SA,A6,
A1,A0
DATA
#CE
#WE
#OE
*For sector protect,A6=0,A1=1,A0=0.For sector unprotect ,A6=1,A1=1,A0=0
1
μ
s
V
IH
Valid*
Sector/sector Block Protect or Unprotect
Valid*
Verify
Valid*
60h
60h
Sector/Sector Block Protect:150
Sector/Sector Block Unprotect:15ms
40h
μ
s,
Status
- 47 -
Publication Release Date: December 27, 2005
Revision A4
