P r e l i m i n a r y
AC Characteristics
tAHT
tAS
Addresses
tAHT
tASO
CE#
tOEH
WE#
tCEPH
tOEPH
OE#
tDH
Valid Data
tOE
Valid
Status
Valid
Status
Valid
Status
DQ6 / DQ2
RY/BY#
Valid Data
(first read)
(second read)
(stops toggling)
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.
Figure 20. Toggle Bit Timings (During Embedded Algorithms)
Enter
Erase
Suspend
Enter Erase
Suspend Program
Embedded
Erasing
Erase
Resume
Erase
Erase Suspend
Read
Erase
Suspend
Program
Erase
Complete
WE#
Erase
Erase Suspend
Read
DQ6
DQ2
Note: DQ2 toggles only when read at an address within an erase-suspended sector. The system may use OE# or CE#
to toggle DQ2 and DQ6.
Figure 21. DQ2 vs. DQ6
April 30, 2004 S29GLxxxM_00A5
S29GLxxxM MirrorBitTM Flash Family
135
SPANSION [ SPANSION ]
