Intel MCS48 User Manual page 156

8048/8648/8748/8035
ABSOLUTE MAXIMUM
RATINGS*
Ambient Temperature Under
Bias
0°C
to
70°C
Storage Temperature
-65°
C
to
+150°C
Voltage
On
Any
Pin
With Respect
to
Ground
-0.5V
to
+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.
D.C.AND
OPERATING CHARACTERISTICS
t
a
= o°c
to 70°c,
v
cc
= v
DD
=
+5V
±10%,
v
ss
= ov
Symbol
Parameter
Limits
Unit
Test Conditions
Min. Typ.
Max.
V,L
Input
Low
Voltage
(All
Except
RESET,
X1.X2)
-.5
.8
V
V,L1
Input
Low
Voltage
(RESET, X1.X2)
-.5
.6
V
V|
H
Input
High Voltage
2.0 Vcc
V
(All
Except XTAL1,
XTAL
2,
RESET)
V.H1
Input
High
Voltage
(X1,
X2,
RESET)
3.8 Vcc
V
Vol
Output
Low
Voltage (BUS)
.45
V V
OL
=
2.0
mA
Vou Output
Low
Voltage
(RD,
WR,
PSEN,
ALE)
.45
V
l
0L
=1-8
mA
V0L2
Output
Low
Voltage
(PROG)
.45
V
l
OL
=1-0
mA
V
OL3
Output
Low
Voltage
(All
Other Outputs)
.45
V
l
0L
=1.6
mA
VOH
Output High Voltage (BUS)
2.4
V
Ioh
= -
400 uA
V0H1
Output High Voltage
(RD,
WR, PSEN,
ALE)
2.4
V
l
0H
=
-100
M
A
V
OH2
Output High
Voltage
(All
Other Outputs)
2.4
V
Ioh-
-40
M
A
Ili
Input
Leakage
Current
(T1, INT)
±10
M
A
V
SS
<V
IN
<V
CC
lun
Input Leakage Current
(P10-P17, P20-P27,
EA, SS)
-500
M
A
V
ss
+.45<V
lN
<V
cc
Ilo
Output Leakage
Current (BUS, TO)
(High
Impedance
State)
±10
M
A
V
SS
+.45<V
IN
<V
CC
'dd
V DD Supply Current
5 15
mA
'dd+
'cc
Total
Supply
Current
60
135
mA
BUS
P1,
P2
BUS,
P1,
P2
-
30
mA -
TYPICAL
6-4