s71ws256nc0bawa30 Meet Spansion Inc., s71ws256nc0bawa30 Datasheet - Page 90

• Manufacturer Part Number: s71ws256nc0bawa30
• Description: Stacked Multi-chip Product Mcp 256/512/128 Megabit 32m/16m/8m X 16 Bit Cmos 1.8 Volt-only Simultaneous Read/write, Burst-mode Flash Memory With 128/64megabit 8m/4m X 16-bit Psram.
• Manufacturer: Meet Spansion Inc.

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.
88
Addresses
AVD#
WE#
Data
OE#
CE#
t
WPH
Command Sequence
PA/SA
t
AS
Last Cycle in
Sector Erase
Program or
t
Write Cycle
t
PD/30h
WP
t
t
AH
DS
Figure 14.24 Back-to-Back Read/Write Cycle Timings
t
t
t
OEH
DH
OE
t
RA
SR/W
t
Read status (at least two cycles) in same bank
A d v a n c e
ACC
t
S71WS-Nx0 Based MCPs
Read Cycle
and/or array data from other bank
RD
t
OEZ
I n f o r m a t i o n
t
OEH
RA
t
Read Cycle
RD
S71WS-N_01_A4 September 15, 2005
t
command sequence
GHWL
write or program
Begin another
555h
t
Write Cycle
AAh