Intel mcs-48 Microscope & Magnifier User Manual


 
8355/8355-2
ABSOLUTE MAXIMUM RATINGS*
Temperature
Under
Bias
......
.
Storage Temperature
Voltage on Any Pin
O°Cto
+70°C
......
-65'Cto+1S0°C
With Respect
to
Ground
...
.
.......
"
-o.sv
to
+7V
Power Dissipation
.............................
1.SW
'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
(TA
=
o°c
to
70°C; Vee = 5V ±
5%)
SYMBOL
PARAMETER
MIN.
MAX.
UNITS TEST CONDITIONS
Vil
Input Low Voltage
-0.5
0.8
V
Vee = 5.0V
VIH
Input High Voltage
2.0
Ve
e
+O·
5
V
Vee
= 5.0V
VOL
Output
Low Voltage
0.45
V
IOl
= 2mA
VOH
Output
High Voltage
2.4
V
IOH
= -400j.LA
III
Input
Leakage
10
j.LA
V
IN
=
Vee
to
OV
ILO
Output
Leakage
Current
±10
j.LA
0.45V
';;;;VOUT
';;;;Vee
Icc
Vee
Supply Current 180 mA
A.C.
CHARACTERISTICS
(TA
=
o°c
to
70°C; Vee = 5V ±
5%)
8355
8~55-2
(Prel
mlnary)
Symbol
Parameter Min. Max.
Min. Max.
Units
teye
Clock
Cycle
Time
320 320 ns
T1
CLK
Pulse Width
80
80
ns
T2
CLK
Pulse
Width
120 120
ns
tf,t,
CLK
Rise and Fall
Time
30 30 ns
tAL
Address to
Latch
Set
Up
Time
SO
30
ns
tlA
Address
Hold
Time
after Latch
80
30
ns
tle
Latch
to
READ/WRITE
Control
100 40 ns
tAD
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
tAOF
Data Bus Float after READ
0 100
a
85
ns
tel
READ/WRITE
Control
to
Latch Enable
20
10 ns
tee
READ/WRITE
Control
Width
250
200
ns
tow
Data In
to
Write Set
Up
Time
150 150 ns
two
Data In
Hold
Time
After WRITE
10 10 ns
twp
WRITE
to
Port
Output
400 400 ns
tpA
Port
Input
Set
Up
Time
50 50 ns
tRP
Port
Input
Hold
Time
50 50
ns
tRYH
READY
HOLD
Time
0
160
0
160 ns
tARY
ADDRESS (CE)
to
READY
160
160 ns
tRv
Recovery
Time
Between
Controls
300 200
ns
tROE
READ
Control
to
Data Bus Enable
10 10
ns
Note:
CLOAD
=
150pF
6-71