Intel MCS48 User Manual page 208

8355/8355-2
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 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.
CHARACTERISTICS
(t
a
= 0°C
to
70°C;
V
cc
=
5V
± 5%)
SYMBOL PARAMETER
MIN.
MAX.
UNITS TEST CONDITIONS
V|L
Input
Low
Voltage -0.5
0.8
V V
CC
= 5.0
V
V|
H
Input High Voltage
2.0 Vcc+0-5
V
V
CC
= 5.0V
Vol
Output
Low
Voltage
0.45
V
Iol =
2mA
Voh
Output
High Voltage
2.4
V
'OH =
-400/liA
IlL
Input Leakage
10
ma
V| N =
V
cc
to
0V
l|_0
Output
Leakage Current ±10
m
a
0.45V
<V
OUT
<V
CC
•cc
Vcc
Supply Current 180
mA
A.C.
CHARACTERISTICS
(T
A
=
o°c
to
70°c
;
v
cc
= 5V
±
5%)
Parameter
8355
8355-2
(Preliminary)
Symbol
Min.
Max.
Min.
Max.
Units
tCYC Clock Cycle
Time
320 320
ns
T1
CLK
Pulse Width
80
80 ns
T
2
CLK
Pulse Width 120
120
ns
tf.tr
CLK
Rise
and
Fall
Time
30 30 ns
tAL
Address
to
Latch Set
Up
Time
50
30 ns
tLA
Address Hold Time
after
Latch 80
30 ns
tLC
Latch
to
READ/WRITE
Control 100 40
ns
tRD
Valid Data Out Delay from
READ
Control 170 140 ns
tAD
Address
Stable
to
Data
Out
Valid
400
330 ns
tLL
Latch Enable Width
100 70
ns
tRDF
Data
Bus
Float
after
READ
100 85 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
10 10 ns
twp
WRITE
to
Port Output 400 400 ns
tPR Port Input Set
Up
Time 50
50 ns
tRP
Port Input Hold
Time
50 50 ns
tRYH
READY HOLD
Time
160 160 ns
tARY
ADDRESS
(CE)
to
READY
160 160 ns
tRV
Recovery Time Between
Controls 300
200
ns
tRDE READ
Control
to
Data
Bus Enable
10 10 ns
Note:
Cload =
150pF
6-56