Intel MCS48 User Manual page 407

8041 A/8741
A
ABSOLUTE MAXIMUM
RATINGS*
Ambient Temperature Under Bias
0°Cto70°C
Storage Temperature
-65°Cto +
150
8
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.
Exposure
to absolute
maximum
rating
con-
ditions for
extended
periods
may
affect
device
reliability.
D.C.
AND
OPERATING CHARACTERISTICS
T
A
= 0°Cto70°C, V
ss
=
0V,
8041A:
V
CC
=+5V
±10%,8741A: V
cc
=
+5V
±5%
Symbol Parameter Min.
Max. Unit
Test Conditions
V,L
Input
Low
Voltage
(All
Except
X-j,
X
2
)
-0.5
0.8
V
2.2 Vcc V|H1
Input
High Voltage
(All
Except
X
n
,
X
2
,
RESET)
V,H2
Input
High Voltage
(X
1t
X
2
,
RESET)
3.0 Vcc
V
V0L1
Output
Low
Voltage
(D
2
-D
7
,
Sync) 0.45
V
l
OL
=2.0
mA
V
OL2
Output
Low
Voltage
(All
Other Outputs Except
Prog)
0.45
V
l
0L
=
1.6
mA
V
OL3
Output
Low
Voltage
(Prog)
0.45
V
l
OL
=1.0
mA
V
OH1
Output High Voltage
(D
-D
7
)
2.4
V
l
0H
= -400
M
A
V
OH2
Output High Voltage
(All
Other Outputs)
2.4
V
l
0H
=
-50yA
IlL
Input
Leakage Current
(T
,
T
1f
RD,
WR,
CS,
A
,
EA)
±10
ma Vss<V,
N
<V
cc
loz
Output Leakage
Current (D
-D
7
,
High Z
State)
±10
ma
V
ss
+ 0.45<V|
N
<Vcc
Ilm
Low
Input
Load
Current
(P10P17, P20
p
27
0.5
mA
V,
L
=0.8V
•lI2
Low
Input
Load
Current
(RESET, SS)
0.2
mA
V|
L
=
0.8V
•dd
V
DD Supply Current
1.5
mA
•cc+'dd
Total
Supply Current
125
mA
A.C.
CHARACTERISTICS
T
A
= 0°Cto70°C, V
ss
=
0V,
8041A:
V
CC
= V
DD
= +
5V
±10%,8741A:
V CC
=V
DD
= +
5V
±5%
DBB READ
Symbol Parameter
Min.
Max. Unit Test Conditions
*AR
CS,
A
Setup
to
RD* ns
*RA
CS,
A
Hold After
RDt
ns
*RR
RD
Pulse
Width 250
ns
t
CY =2.5/^s
*AD
CS,
A
to
Data Out Delay 225 ns
C
L
=150pF
tRD
RD4
to
Data
Out
Delay
225
ns
C
L
=150pF
*RDF
RDt
to
Data
Float Delay 100 ns
*RV
Recovery Time Between Reads And/Or
Write 300 ns
l
CY
Cycle
Time
2.5
15
MS
DBB
WRITE
Symbol
Parameter
Min.
Max.
Unit
Test Conditions
*AW
CS,
A
Setup
to
WRI
ns
*WA
CS,
A
Hold
After
WRt
ns
t
Ww
WR
Pulse
Width
250
ns
*DW
Data Setup
to
WRt
150 ns
tyVD
Data Hold
Aftert
WRt
ns
8-117
00 188
A