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818~~8185-2
ABSOLUTE MAXIMUM RATINGS*
Temperature Under Bias
..............
o·c
to
+70·C
Storage Temperature
.........•....
-65·C
to
+150·C
Voltage
on
Any
Pin.
. .
with Respect
to
Ground
.......•......
-o.5V
to
+7V
Power Dissipation
..............
. . . .
..
..
. . . . .
..
1.5W
'COMMENT
Stresses above thos'e listed
under"Absolute
Maximum-Ratings" may cause
p~rmanent
damage to the device. This is a
s~ress
rating
only
and functional
operation of the device at these
or
any other conditions above those
indicated in the
operational sections of thts specification 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
VIH
Input High Voltage 2.0
Vcc+0.5
V
VOL
Output Low Voltage 0.45 V
IOL
=2mA
VOH
Output
High Voltage 2.4
IOH
= -
400,uA
hL
Input Leakage ±10
,uA
VIN
= Vee to
OV
ILO
Output Leakage Current ±10
,uA
0.45V
::;
VOUT
::;
Vce
lec
Vce Supply Current
Powered Up 100 mA
Powered Down
35
mA
A.C. CHARACTERISTICS
(TA
= o·c
t070·C;
Vee =
5V
±
5%)
8185
8185-2
Preliminary Preliminary
Symbol
Parameter
[11
Min.
Max. Min. Max. Units
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
tRO
Valid Data Out Delay from READ Control 170
140
ns
tLO
ALE
to
Data Out Valid
~OO
200 ns
tLL
Latch Enable Width 100
70
ns
tROF
Data Bus Float
Afte~
READ
0
100 0
80
ns
tCL
READ/WRITE Contrpl
to
Latch Enable
20
10
ns
tcc
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
20
"
20 ns
tse
Chip Select Set Up to Control Line
10
10
ns
tes
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 referenceq at
a)
2.4V and .45V
for
inputs .
b) 2.0V and
.8V
for
outputs.
Input
Waveform
for
A.C. Tests:
6-98
AFN-00201
A.()3