MBM29BS12DH Fujitsu Media Devices, MBM29BS12DH Datasheet - Page 75

• Manufacturer Part Number: MBM29BS12DH
• Description: (MBM29FS12DH / MBM29BS12DH) BURST MODE FLASH MEMORY CMOS 128M (8M X 16) BIT
• Manufacturer: Fujitsu Media Devices

Address
Data
AVD
Note : Breakpoints in waveforms indicate that system may alternately read array data from the
WE
CE
OE
"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.
t
WPH
Command Sequence
t
PA/SA
AS
Last Cycle in
Sector Erase
Program or
t
AH
Figure 27
t
WC
t
WP
PD/30h
t
DS
Bank-to-Bank Read/Write Cycle Timings
t
t
OEH
DH
t
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
RD
t
OEH
t
CEPH
t
OEZ
MBM29BS/FS12DH
RA
t
RC
RD
command sequence
t
GHWL
write or program
555h
Begin another
t
WC
AAh
15
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