S29AL032D
Figure 18.5 Toggle Bit Timings (During Embedded Algorithms)
tRC
Addresses |
VA |
VA |
VA |
VA |
|
|
|
|
tACC |
|
|
|
|
|
|
|
|
|
|
CE# |
|
|
tCE |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
tCH |
|
tOE |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
||
|
OE# |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
tOEH |
|
|
|
tDF |
|
|
|
|
|
|
|
|
WE# |
|
|
|
|
|
|
|
|
|
Design |
|
|
|
|
|
|
|
|
tOH |
|
|
|
|
|
||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
DQ6/DQ2 |
High Z |
|
Valid Status |
|
Valid Status |
|
|
Valid Status |
Valid Data |
||||
|
|
|
|
|
|
|
|||||||
|
|
tBUSY |
|
|
|
(first read) |
|
(second read) |
|
(stops toggling) |
|
||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
RY/BY# |
|
|
|
|
|
|
|
|
New |
|
|
|
|
Note |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
VA = Valid address; not required for DQ6. Illustration shows first two status cycle after command sequence, last status read cycle, and array data |
|||||||||||||
read cycle. |
|
|
|
|
|
|
|
for |
|
|
|
|
|
|
|
|
Figure 18.6 |
|
|
|
|
|
|
|
|||
|
|
|
DQ2 vs. DQ6 for Erase and Erase Suspend Operations |
|
|||||||||
|
|
Enter |
|
|
Recommended |
|
|
|
|
|
|||
|
|
Embedded |
|
Erase |
Enter Erase |
|
|
Erase |
|
||||
|
|
Erasing |
|
|
Suspend |
Suspe d Program |
|
|
Resume |
|
|||
|
|
WE# |
|
Erase |
Erase Susp nd |
Erase |
Erase Suspend |
Erase |
Erase |
||||
|
|
|
|
|
|
Read |
|
Suspend |
Read |
|
|
Complete |
|
|
|
|
|
|
|
|
|
Program |
|
|
|
|
|
|
|
DQ6 |
|
|
|
|
|
|
|
|
|
|
|
|
|
DQ2 |
|
|
|
|
|
|
|
|
|
|
|
Note |
|
Not |
|
|
|
|
|
|
|
|
|
||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
The system may use CE# or OE# to toggle DQ2 and DQ6. DQ2 toggles only when read at an address within an erase-suspended sector. |
|
||||||||||||
17.5 |
Temporary Sector Unprotect |
|
|
|
|
|
|
||||||
Table 18. Temporary Sector Unprotect
Parameter |
|
|
All Speed Options |
|
|
|
|
|
|
|
|
JEDEC |
Std. |
Description |
|
Unit |
|
|
|
||||
|
tVIDR |
VID Rise and Fall Time (See Note) |
Min |
500 |
ns |
|
tRSP |
RESET# Setup Time for Temporary Sector |
Min |
4 |
µs |
|
Unprotect |
||||
Note
Not 100% tested.
Figure 18.1 Temporary Sector Unprotect Timing Diagram
Document Number: 002-02003 Rev. *B |
Page 53 of 64 |
S29AL032D
12 V
RESET#
0 or 3 V
Program or Erase Command Sequence
tVIDR |
tVIDR |
CE#
WE#
RY/BY#
WP#/ACC
tRSP 
Figure 18.2 Accelerated Program
VHH |
Recommended |
for |
|
||
VIL or VIH |
|
|
|
|
|
tVHH |
|
|
Not |
|
|
New |
Design |
|
Timing Diagram
VIL or VIH
tVHH
Document Number: 002-02003 Rev. *B |
Page 54 of 64 |