Intel MCS48 User Manual page 360

8278
ABSOLUTE MAXIMUM
RATINGS*
Ambient Temperature Under
Bias
0°Cto70°C
Storage Temperature
-65°
C
to
+1 50° C
Voltage on
Any
Pin
With
Respect
to
Ground
-0.5Vto+7V
Power
Dissipation
1.5
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
operation
of the
device
at
these or
any
other conditions
above
those indicated
in
the operational sections of
this
specification
is
not
implied.
Exposure
to
absolute
maximum
rating conditions
for
extended
periods
may
affect device
reliability.
D.C.
CHARACTERISTICS
Commercial: Ta
= 0°C
to 70°
C;
Vcc
+5V ±5%;
Vss
=
0V
Symbol
Parameter
Min.
Max.
Units
Condition
VlL
Input
Low
Voltage
(All
Inputs
Except
X-i,
X2
-0.5
0.8
V
Vim
Input High Voltage
(All
Inputs
Except
X-i,
X2,
RESET
2.0
Vcc
V
V|H2
RESET
High Voltage
3.0
Vcc
V
VOL1 Output
Low
Voltage
(D0-D7) 0.45
V
lOL
= 2.0mA
VOL2
Output Low
Voltage
(All
Other
Outputs)
0.45
V
Iol
= 1.6mA
Vom
Output High
Voltage
(D0-D7)
2.4
V
Ioh
=
-400mA
VOH2 Output High
Voltage
(All
Other
Outputs)
2.4
V
Ioh
=
-50/uA
IlL
Input
Leakage
Current
(All
Inputs Except
RESET)
±10
MA
Vin
= Vcc
lOL
Output Leakage
Current
(D0-D7)
±10
MA
Vin
=
Vss
+
0.45V or
Vin
= Vcc
Idd
+
Ice Total
Supply
Current
135
mA
Vcc =
5.5V
Idd
Vdd
Supply
Current
25
mA
Vcc =
5.5V
Ili
Low
Input
Source
Current
(RESET)
0.2
mA
Vil
=
0.8V
8278
CLOCK
OPTIONS
20pF
II
•
Xi
8278
x
2
CD
i
"
J_
20pF
Q
X1
1/2
7474
Q
8278
D
1-6
MHz
CRYSTAL
40/ih-130/uh
INDUCTOR
EXTERNAL
CLOCK
8-70
00227A