Intel MCS48 User Manual page 282

WAVEFORMS
8214
)C^X
NOTE!!
(1)
<2>
Red
(3)
<«> Red
SGS. B„-B 2
Typical values are for
T^
=
25°
C
,Vcc
= 5.0V.
uired for
proper operation
if
ISE
is
enabled during next clock
pulse.
The!se times are not required for
proper operation but
for
desired
change
in
interrupt flip-flop.
uired for
new
request
or status to
be properly loaded.
Test Conditions
Input pulse
amplitude: 2.5
volts.
Input
rise
and
fall
times: 5 ns
between
1
and
2
volts.
Outpi
t
loading of 15
mA
and 30
pf.
Speed measurements taken
at
the
1.5V
levels.
Test
Load
Circuit
7-44