
N O T E S :
1. The input timing reference level is 1.0 V for a VIL and 4.0V for a VIH at VD D =5.0V
2. To read the output data, transition requires on the O E from the high to the low after address setup time tAS.
Address Valid
t
O E
Valid Output
t
D H
Addresses
O E
Output
High-Z
VIH
VIL
VIH
VIL
VIH
VIL
t
A S
(2)
READING WAVEFORMS
W A V E F O R M I N P U T S O U T P U T S
Must be steady
May change
from H to L
May change
from L to H
Do not care any
change permitted
Does not apply
W ill be steady
W ill be changing
from H to L
W ill be changing
from L to H
Changing state
unknown
Center line is
high impedance
"Off" state
SWITCHING WAVEFORMS
HYUNDAI MicroElectronics GMS81516AT EPROM PROGRAMMING
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