Intel MCS48 User Manual page 183

8049/8039/8039-6
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
1.5
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.
AND
OPERATING CHARACTERISTICS
t a =
o°c
to 70°c,
v
cc
=
v
DD
=
+5V
±10%, Vss
= ov
Parameter
Limits
Unit
Test
Conditions
Symbol
Min. Typ. Max.
V|L
Input
Low
Voltage
-0.5
0.8
V
V|H
Input High Voltage
2.0
v
Cc
V
(All
Except
XTAL1, XTAL2, RESET)
V|H1
Input High Voltage (RESET, X1, X2)
3.8
v
C c
V
Vol
Output
Low
Voltage
(BUS,
RD,WR,
PSEN, ALE)
0.45
V
l
|_
=
2.0mA
V
L1
Output
Low
Voltage
(All
Other Outputs Except
PROG)
0.45
V
Iql
=
1.6mA
V
OL2
Output
Low
Voltage
(PROG) 0.45
V Iql =
1.0mA
V
H
Output
High Voltage
(BUS,
RD,WR,
PSEN,
ALE)
2.4
V
Iqh
=-
100JIA
V
OH1
Output
High Voltage
(All
Other Outputs)
2.4
V
Iqh
="50/iA
IlL
Input Leakage Current
(T1,fNT)
±10
MA
Vss<V|
N
<V
C c
lOL
Output Leakage Current
(Bus,
TO)
(High
Impedance
State)
+
10
^A
V
SS
+ 0.45
<V,
N
<
Vcc
>DD
Power
Down
Supply Current 25 50
mA
T
A
= 25° C
•dd+'cc
Total Supply Current
100 170
mA
T A = 25°
C
A.C.
CHARACTERISTICS
t
a
=
oc
to
70c
,V
CC
=
V
DD
=
+5V±10%,
Vss
=
DV
Parameter
8049/8039
(Note
1)
8039-6
Unit
Symbol
Min. Max.
Min.
Max.
Conditions (Note
2)
tLL
ALE
Pulse
Width
150 400 ns
tAL
Address Setup
to
ALE
70
150 ns
tLA
Address Hold from ALE
50
80
ns
*cc
Control Pulse Width (PSEN, RD,
WR)
300 700
ns
l
DW
Data Set-Up Before
WR
250 500
ns
l
WD
Data Hold
After
WR
40 120 ns
C
L
= 20pF
*CY
Cycle Time
1.36 15.0 2.5 15.0
MS
11MHz XTAL
(6MHz
XTAL
for
-6)
l DR
Data Hold
100
200 ns
l
RD
PSEN,
RD
to
Data
In
200 500
ns
*aw
Address Setup
to
WR
200
230 ns
*AD
Address Setup
to
Data
In
400 950 ns
Wc
Address
Float to RD,
PSEN -10
ns
Notes:
1.
8039-6 specifications are also
valid for 8049/8039 operating
at
6MHz.
2.
Control Outputs:
C
L
= 80pF
BUS
Outputs:
C
L
= 150pF
6-31