D a t a S h e e t
AC Characteristics
Last Cycle in
Program or
Sector Erase
Read status (at least two cycles) in same bank
and/or array data from other bank
Begin another
write or program
command sequence
Command Sequence
tWC
tRC
tRC
tWC
CE#
OE#
tOE
tGHWL
tOEH
WE#
Data
tWPH
tOEZ
tWP
tDS
tACC
tOEH
tDH
PD/30h
RD
RD
AAh
tSR/W
RA
Addresses
AVD#
PA/SA
tAS
RA
555h
tAH
Note: Breakpoints in waveforms indicate that system may alternately read array data from the “non-busy bank” while
checking the status of the program or erase operation in the “busy” bank. The system should read status twice to ensure
valid information.
Figure 33. Back-to-Back Read/Write Cycle Timings
May 15, 2007 27243B2
Am29BDS320G
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SPANSION [ SPANSION ]
