Intel MCS48 User Manual page 235

8185/8185-2
ABSOLUTE MAXIMUM
RATINGS*
Temperature Under
Bias
0°Cto+70°C
Storage
Temperature
-65°C
to
+150°C
Voltage
on
Any
Pin
with
Respect
to
Ground
-0.5V to
+7V
Power
Dissipation
1
.5W
'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
(T A
= o°c
to
70°C;
v
C c
=
sv
±
5%)
Symbol
Parameter Min. Max.
Units
Test Conditions
V|L
Input
Low
Voltage
-0.5 0.8
V
VlH
Input
High
Voltage
2.0
Vcc+0.5
V
Vol Output
Low
Voltage 0.45
V
Iol
= 2mA
Voh Output High
Voltage
2.4
I
OH =
400^
A
IlL
Input
Leakage ±10 MA
Vin
= Vcc
to
0V
lLO
Output Leakage
Current
±10 MA
0.45V
< Vout < Vcc
Ice
Vcc Supply
Current
Powered
Up
Powered
Down
100
mA
25
mA
A.C.
CHARACTERISTICS
(T
A
= o°c
to
70°c
;
v
C c
=
sv ±
5%)
Parameter
[11
8185
Preliminary
8185-2
Preliminary
Symbol
Min.
Max.
Min.
Max.
Units
tAL
Address
to
Latch Set
Up Time
50 30
ns
t|_A
Address Hold Time
After
L.atch
80 30
ns
tLC
Latch to
READ/WRITE
Control 100 40 ns
tRD
Valid
Data Out Delay from
READ
Control
170 140
ns
tLD
ALE
to
Data Out
Valid
300 200 ns
tLL
Latch
Enable Width
100 70
ns
tRDF
Data
Bus
Float After
READ
100 80 ns
tCL
READ/WRITE
Control
to
Latch Enable 20
10 ns
tec
READ/WRITE
Control
Width
250 200 ns
tDW
Data
In
to
WRITE
Set
Up Time
150 150
ns
tWD Data
In
Hold
Time
After
WRITE
20
20 ns
tsc
Chip
Select Set
Up
to Control Line 10
10
ns
tcs
Chip
Select Hold
Time
After
Control 10
10 ns
tALCE
Chip Enable
Set
Up
to
ALE
Falling
30 10 ns
tLACE
Chip Enable Hold Time
After
ALE
50 30
ns
Notes:
1
.
All
AC
parameters
are referenced
at
a)
2.4V and
.45V
for
inputs
b)
2.0V
and
.8V for outputs.
6-83