MBM29BS12DH Fujitsu Media Devices, MBM29BS12DH Datasheet - Page 52

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

52
MBM29BS/FS12DH
TIMING DIAGRAM
• Key to Switching Wavwforms
A
DQ
22
to A
15
AVD
RDY
CLK
DQ
OE
Notes :
CE
to
0
0
High-Z
t
t
AVSC
ACS
Figure 3
Figure shows total number of wait states set to seven cycles. The total number of wait
The device is in synchronous mode.
states can be programmed from two cycles to seven cycles.
t
CR
t
Aa
ACH
1
t
CES
Synchronous Burst Mode Read (Latched By Rising Active CLK)
t
AVHC
2
t
OES
WAVEFORM
t
3
CKA
t
7 cycles for initial access shown.
ACC
15
t
IACC
4
INPUTS
Steady
Change
from H to L
Change
from L to H
Don’t Care
Any Change
Permitted
Does Not
Apply
5
6
OUTPUTS
Steady
Change
from H to L
Change
from L to H
Changing,
State
Unknown
Center Line is
High-
Impedance
State(High-Z)
t
RACC
7
Da
t
BDH
Da + 1
t
BACC
t
Da + n
CEZ
High-Z
High-Z