A d v a n c e I n f o r m a t i o n
AC Characteristics
tRC
VA
Addresses
VA
VA
tACC
tCE
CE#
tCH
tOE
OE#
WE#
tOEH
tDF
tOH
High Z
High Z
DQ7
Valid Data
Complement
Complement
True
DQ0–DQ6
Status Data
True
Valid Data
Status Data
tBUSY
RY/BY#
Note: VA = Valid address. Illustration shows first status cycle after command sequence, last status read cycle, and
array data read cycle.
Figure 21. Data# Polling Timings (During Embedded Algorithms)
tRC
Addresses
CE#
VA
tACC
tCE
VA
VA
VA
tCH
tOE
OE#
WE#
tOEH
tDF
tOH
High Z
DQ6/DQ2
RY/BY#
Valid Status
(first read)
Valid Status
Valid Status
Valid Data
(second read)
(stops toggling)
tBUSY
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 22. Toggle Bit Timings (During Embedded Algorithms)
June 13, 2005 S29AL032D_00_A3
S29AL032D
57
SPANSION [ SPANSION ]
