AMD27C64 Datasheet, PDF (11/11 Pages) Advanced Micro Devices – 64 Kilobit (8,192 x 8-Bit) CMOS EPROM

AMD
KEY TO SWITCHING WAVEFORMS
WAVEFORM
INPUTS
OUTPUTS
Must Be
Steady
Will Be
Steady
May
Change
from H to L
Will Be
Changing
from H to L
May
Change
from L to H
Will Be
Changing
from L to H
Don’t Care,
Any Change
Permitted
Changing
State
Unknown
SWITCHING WAVEFORMS
Does Not
Apply
Center
Line is High
Impedence
“Off” State
KS000010
2.4
Addresses
0.45
2.0
Addresses Valid
2.0
0.8
0.8
CE
tCE
OE
Output
High Z
tOE
tACC
(Note 1)
tOH
Valid Output
Notes:
1. OE may be delayed up to tACC–tOE after the falling edge of the addresses without impact on tACC.
2. tDF is specified from OE or CE, whichever occurs first.
tDF
(Note 2)
High Z
11419D-9
2-20
Am27C64