Intel MCS48 User Manual page 307

8253/8253-5
ABSOLUTE MAXIMUM
RATINGS*
Ambient Temperature Under
Bias
0°Cto70°C
Storage
Temperature -65°Cto+150°C
Voltage
On Any
Pin
With
Respect
to
Ground -0.5Vto+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
specif i-
cation
is
not
implied.
Exposure
to
absolute
maximum
rating
conditions
for
extended
periods
may
affect device
reliability.
D.C.
CHARACTERISTICS
(t
a
=
oc
to
?o°c
;
v
cc
=
5V
±5%)
SYMBOL PARAMETER
MIN.
MAX. UNITS
TEST CONDITIONS
V|L
Input
Low
Voltage -0.5
0.8
V
V|
H
Input High Voltage
2.2
V
CC +.5V
V
Vol Output
Low
Voltage 0.45
V
Note
1
Voh Output
High Voltage 2.4
V
Note
2
IlL
Input
Load
Current
±10
A/A Vim
=
V
cc
to
0V
'OFL
Output
Float
Leakage
±10
IJ.A
Vqut
=
V
C c
to
0V
'cc
Vcc
Supply Current
140
mA
Note
1:
8253, Iql =
16 mA;
8253-5,
I
l
= 2.2
mA.
Note
2:
8253,
l
0H
=
-150
fxA;
8253-5,
l
0H
= -400
,uA.
CAPACITANCE
t
a
=
25°c;
v
cc
=
gnd
=
ov
Symbol Parameter
Min. Typ.
Max.
Unit Test Conditions
C|N
Input Capacitance 10
pF
fc=
1
MHz
C
l/0
I/O
Capacitance
20
pF Unmeasured
pins returned to
Vss
8-17
00745A