The Absolute Maximum Ratings are those values beyond which the safety of the device cannot be guaranteed. The device should not be operated
at these limits. The parametric values defined in the Electrical Characteristics tables are not guaranteed at the Absolute Maximum Ratings. The “Recom-
mended Operating Conditions” table will define the conditions for actual device operation.
Note 4:
I
O
Absolute Maximum Rating must be observed.
Note 5:
Unused inputs must be held HIGH or LOW. They may not float.
DC Electrical Characteristics
Symbol
V
IH
V
IL
V
OH
Parameter
HIGH Level Input Voltage
LOW Level Input Voltage
HIGH Level Output Voltage
I
OH
I
OH
I
OH
I
OH
V
OL
LOW Level Output Voltage
I
OL
I
OL
I
OL
I
OL
I
I
I
OFF
I
CC
Input Leakage Current
Power-Off Leakage Current
Quiescent Supply Current
Increase in I
CC
per Input
Conditions
V
CC
(V)
2.3
2.7
2.7
3.6
2.3
2.7
2.3
3.6
T
A
40
q
C to
85
q
C
Max
Units
Min
1.7
2.0
V
0.7
0.8
V
100
P
A
12 mA
18 mA
24 mA
100
P
A
12 mA
16 mA
24 mA
5.5V
2.3
3.6
2.3
2.7
3.0
3.0
2.3
3.6
2.3
2.7
3.0
3.0
2.3
3.6
0
2.3
3.6
2.3
3.6
2.3
3.6
V
CC
0.2
1.8
2.2
2.4
2.2
0.2
0.6
0.4
0.4
0.55
V
V
I
OH
= -8 mA
I
OL
= 8mA
0
d
V
I
d
5.5V
V
I
or V
O
V
I
V
IH
V
CC
or GND
V
CC
0.6V
r
5.0
10
10
P
A
P
A
P
A
P
A
3.6V
d
V
I
d
5.5V
r
10
500
'
I
CC
3
www.fairchildsemi.com
74LCX08
AC Electrical Characteristics
T
A
Symbol
Parameter
V
CC
C
L
Min
t
PHL
t
PLH
t
OSHL
t
OSLH
Output to Output Skew (Note 6)
Propagation Delay
1.5
1.5
3.3V
r
0.3V
50 pF
Max
5.5
5.5
1.0
1.0
40
q
C to
85
q
C, R
L
V
CC
C
L
Min
1.5
1.5
2.7V
50 pF
Max
6.2
6.2
500
:
V
CC
C
L
Min
1.5
1.5
2.5V
r
0.2V
30 pF
Max
6.6
6.6
ns
ns
Units
Note 6:
Skew is defined as the absolute value of the difference between the actual propagation delay for any two separate outputs of the same device. The
specification applies to any outputs switching in the same direction, either HIGH-to-LOW (t
OSHL
) or LOW-to-HIGH (t
OSLH
).
Dynamic Switching Characteristics
Symbol
V
OLP
V
OLV
Parameter
Quiet Output Dynamic Peak V
OL
Quiet Output Dynamic Valley V
OL
C
L
C
L
C
L
C
L
50 pF, V
IH
30 pF, V
IH
50 pF, V
IH
30 pF, V
IH
Conditions
3.3V, V
IL
2.5V, V
IL
3.3V, V
IL
2.5V, V
IL
0V
0V
0V
0V
V
CC
(V)
3.3
2.5
3.3
2.5
T
A
25
q
C
0.8
0.6
Typical
Units
V
V
0.8
0.6
Capacitance
Symbol
C
IN
C
OUT
C
PD
Input Capacitance
Output Capacitance
Power Dissipation Capacitance
Parameter
V
CC
V
CC
V
CC
Open, V
I
3.3V, V
I
3.3V, V
I
Conditions
0V or V
CC
0V or V
CC
0V or V
CC
, f
10 MHz
Typical
7
8
25
Units
pF
pF
pF
www.fairchildsemi.com
4
74LCX08
AC Loading and Waveforms
Generic for LCX Family
FIGURE 1. AC Test Circuit
(C
L
includes probe and jig capacitance)
Test
t
PLH
, t
PHL
t
PZL
, t
PLZ
t
PZH
,t
PHZ
Switch
Open
6V at V
CC
3.3
r
0.3V
V
CC
x 2 at V
CC
2.5
r
0.2V
GND
Waveform for Inverting and Non-Inverting Functions
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