AM29F040 AMD [Advanced Micro Devices], AM29F040 Datasheet - Page 23

• Manufacturer Part Number: AM29F040
• Description: 4 Megabit (524,288 x 8-Bit) CMOS 5.0 Volt-only, Sector Erase Flash Memory
• Manufacturer: AMD [Advanced Micro Devices]

KEY TO SWITCHING WAVEFORMS
SWITCHING WAVEFORMS
Addresses
Outputs
WE
OE
CE
High Z
Figure 9. AC Waveforms for Read Operations
WAVEFORM
t
ACC
(t
CE
)
Addresses Stable
t
OE
Am29F040
Must be
Steady
May
Change
from H to L
May
Change
from L to H
Don’t Care,
Any Change
Permitted
Does Not
Apply
INPUTS
t
RC
Output Valid
Will be
Steady
Will be
Changing
from H to L
Will be
Changing
from L to H
Changing,
State
Unknown
Center
Line is High-
Impedance
“Off” State
OUTPUTS
KS000010-PAL
(t
OH
)
(t
DF
)
High Z
17113E-14
23