AM29BDS320G SPANSION [SPANSION], AM29BDS320G Datasheet - Page 71

• Manufacturer Part Number: AM29BDS320G
• Description: 32 Megabit (2 M x 16-Bit), 1.8 Volt-only Simultaneous Read/Write, Burst Mode Flash Memory
• Manufacturer: SPANSION [SPANSION]

AC Characteristics
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.
October 1, 2003 27243B1
Addresses
AVD#
WE#
Data
OE#
CE#
t
WPH
Command Sequence
PA/SA
t
AS
Last Cycle in
Sector Erase
Program or
t
WC
Figure 33. Back-to-Back Read/Write Cycle Timings
t
PD/30h
WP
t
t
AH
DS
P r e l i m i n a r y
t
t
t
OEH
DH
OE
t
RA
SR/W
t
Read status (at least two cycles) in same bank
ACC
t
RC
and/or array data from other bank
Am29BDS320G
RD
t
OEZ
t
OEH
RA
t
RC
RD
t
command sequence
GHWL
write or program
Begin another
555h
t
WC
AAh
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