Intel MCS48 User Manual page 196

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8243
ABSOLUTE MAXIMUM
RATINGS'
Ambient
Temperature Under
Bias
C
to
70
C
Storage
Temperature
-65 C
to
+
1
50
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.
AND
OPERATING CHARACTERISTICS
T
A
=
0°C
to
70°C,
V
cc
=
5V ±10%
SYMBOL PARAMETER
MIN.
TYP.
MAX.
UNITS
TEST CONDITIONS
V|L
Input
Low
Voltage
-0.5
0.8
V
V|
H
Input
High Voltage
2.0
V
cc
+0.5
V
VOLI
Output
Low
Voltage
Ports 4-7
0.45
V
Iql
=
5
mA*
V
OL2
Output
Low
Voltage
Port
7
1
V
Iql
=
20
mA
V
OH1
Output
High Voltage
Ports 4-7
2.4
V
l
0H
=
240juA
l|L1
Input
Leakage
Ports 4-7
-10
20
/uA
V
in
=
V
Cc
to
0V
'lL2
Input
Leakage
Port
2,
CS,
PROG
-10
10
MA
V
in
=
V
Cc
to
0V
V
OL3
Output
Low
Voltage
Port 2
.45
V
In! =
°-
6
mA
•cc
V
cc
Supply
Current
10
20
mA
V
OH2
Output
Voltage
Port 2
2.4
l
0H
=
100juA
•OL
Sum
of
all
IO|_
from
16
Outputs
80
mA
5
mA
Each
Pin
*See following
graph
for additional sink
current
capability
A.C.
CHARACTERISTICS
T
A
=
0°C
to
70°C,
V
cc
=
5V ±10%
SYMBOL PARAMETER
MIN.
MAX.
UNITS
TEST CONDITIONS
t
A
Code
Valid
Before
PROG
100
ns
80 pF Load
t
B
Code
Valid After
PROG
60
ns
20
pF Load
tc
Data
Valid
Before
PROG
200
ns
80
pF Load
tD
Data
Valid After
PROG
20
ns
20
pF Load
t
H
Floating After
PROG
150
ns
20 pF Load
t
K
PROG
Negative
Pulse
Width
700
ns
tcs
CS
Valid Before/After
PROG
50
ns
j
tpo
Ports 4-7 Valid
After
PROG
700
ns
100 pF Load
t|_P1
Ports 4-7 Valid
Before/After
PROG
100
ns
tACC
Port 2 Valid After
PROG
650
ns
80
pF
Load
6-44

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