Intel MCS48 User Manual page 295

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8251
ABSOLUTE MAXIMUM
RATINGS'
Ambient
Temperature Under
Bias
0°C
to
70
C
Storage
Temperatura
-65 C
to
+150 C
Voltage
On Any
Pin
With Respect
to
Ground
-0.5V
to
+7V
Power
Dissipation
1
Watt
*COMMENT:
Stresses
above
those
listed
under "Absolute
Maximum
Ratings"
may
cause
permanent damage
to the
device.
This
is
a
stress
rating
only
and
functional opera-
tion
of
the
device at
these
or
any
other conditions
above
those indicated
in
the operational sections
of
this specifi-
cation
is
not
implied.
Exposure
to
absolute
maximum
rating
conditions
for
extended
periods
may
affect device
reliability.
D.C.
CHARACTERISTICS
T
A
=
0°C
to
70°C;
V
Cc = 5.0V ±5%;
GND
=
0V
Symbol
Parameter
Min.
Max.
Unit
Test Conditions
V|L
Input
Low
Voltage
-0.5
0.8
V
V|
H
Input High Voltage
2.2
V
C
C
V
Vol
Output
Low
Voltage
0.45
V
Iql =
2.2
mA
Voh
Output
High Voltage
2.4
V
Iqh
=-400mA
>OFL
Output
Float
Leakage
±10
ma
V
UT
=
V
CC
TO
0.45V
'lL
Input
Leakage
±10
HA
Vin
=
V
CC
TO
0.45V
•cc
Power Supply
Current
100
mA
All
Outputs = High
CAPACITANCE
T A
= 25°C;
V
cc =
GND
=
0V
Symbol
Parameter
Min.
Max.
Unit
Test
Conditions
C|N
Input Capacitance
10
PF
fc
=
1MHz
C|/o
I/O
Capacitance
20
pF
Unmeasured
pins
returned to
GND
^SPEC.
^CAPACITANCE
(pF)
Figure
16.
Test
Load
Circuit
Figure
17.
Typical
A Output Delay
vs.
A
Capacitance
(pF)
8-5
00216A

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