Lower case letters indicate the state of the referenced input or output one setup time prior to the HIGH-to-LOW clock transition.
Logic Diagram
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2
74LCX112
Absolute Maximum Ratings
(Note 1)
Symbol
V
CC
V
I
V
O
I
IK
I
OK
I
O
I
CC
I
GND
T
STG
Parameter
Supply Voltage
DC Input Voltage
DC Output Voltage
DC Input Diode Current
DC Output Diode Current
DC Output Source/Sink Current
DC Supple Current per Supply Pin
DC Ground Current per Ground Pin
Storage Temperature
Value
Conditions
Units
V
V
Output in HIGH or LOW State (Note 2)
V
I
<
GND
V
O
<
GND
V
O
>
V
CC
V
mA
mA
mA
mA
mA
−
0.5 to
+
7.0
−
0.5 to
+
7.0
−
0.5 to V
CC
+
0.5
−
50
−
50
+
50
±
50
±
100
±
100
−
65 to 150
°
C
Recommended Operating Conditions
(Note 3)
Symbol
V
CC
V
I
V
O
I
OH
/I
OL
Supply Voltage
Input Voltage
Output Voltage
Output Current
HIGH or LOW State
V
CC
=
3.0V
−
3.6V
V
CC
=
2.7V
−
3.0V
V
CC
=
2.3V
−
2.7V
T
A
Free-Air Operating Temperature
Input Edge Rate, V
IN
=
0.8V
−
2.0V, V
CC
=
3.0V
Parameter
Operating
Data Retention
Min
2.0
1.5
0
0
Max
3.6
3.6
5.5
V
CC
Units
V
V
V
mA
±
24
±
12
±
8
−
40
0
85
10
°
C
ns/V
∆
t/
∆
V
Note 1:
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 2:
I
O
Absolute Maximum rating must be observed.
Note 3:
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
= −100µA
I
OH
= -8 mA
I
OH
= −12
mA
I
OH
= −18
mA
I
OH
= −24
mA
V
OL
LOW Level Output Voltage
I
OL
=
100µA
I
OL
= 8mA
I
OL
=
12 mA
I
OL
=
16 mA
I
OL
=
24 mA
I
I
I
OFF
I
CC
∆I
CC
Input Leakage Current
Power-Off Leakage Current
Quiescent Supply Current
Increase in I
CC
per Input
0
≤
I
I
≤
5.5V
V
I
or V
O
=
5.5V
V
I
=
V
CC
or GND
3.6V
≤
V
I
≤
5.5V
V
IH
=
V
CC
−0.6V
Conditions
V
CC
(V)
2.3
−
2.7
2.7
−
3.6
2.3
−
2.7
2.7
−
3.6
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
0.6
0.2
0.4
0.4
0.55
±5.0
10
10
±10
500
µA
µA
µA
µA
µA
V
V
T
A
=
40°C to
+85°C
Min
1.7
2.0
0.7
0.8
0.7
Max
V
V
Units
3
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74LCX112
AC Electrical Characteristics
T
A
=
40°C to 85°C, R
L
=
500Ω
Symbol
Parameters
V
CC
=
3.3V
±
0.3V
C
L
=50
pF
Min
f
MAX
t
PHL
t
PLH
t
PHL
t
PLH
t
S
t
H
t
W
t
W
t
REC
t
OSHL
t
OSLH
Maximum Clock Frequency
Propagation Delay
CP
n
to Q
n
or Q
n
Propagation Delay
C
Dn
or S
Dn
to Q
n
or Q
n
Setup Time
Hold Time
Pulse Width CP
Pulse Width (C
D
, S
D
)
Recovery Time
Output to Output Skew
(Note 4)
150
1.5
1.5
1.5
1.5
2.5
1.5
3.3
3.3
2.0
1.0
ns
1.0
7.5
7.5
7.0
7.0
Max
V
CC
=
2.7V
C
L
=
50 pF
Min
150
1.5
1.5
1.5
1.7
2.5
1.5
3.3
3.3
2.5
8.0
8.0
8.0
8.0
Max
V
CC
=
2.5V
±
0.2V
C
L
=30
pF
Min
150
1.5
1.5
1.5
1.5
4.0
2.0
4.0
4.0
4.5
9.0
ns
9.0
8.4
ns
8.4
ns
ns
ns
ns
ns
Max
MHz
Units
Note 4:
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
Conditions
C
L
=
50 pF, V
IH
=
3.3V, V
IL
=
0V
C
L
=
30 pF, V
IH
=
2.5V, V
IL
=
0V
C
L
=
50 pF, V
IH
=
3.3V, V
IL
=
0V
C
L
=
30 pF, V
IH
=
2.5V, V
IL
=
0V
V
CC
(V)
3.3
2.5
3.3
2.5
T
A
=
25°C
Typical
0.8
0.6
−0.8
−0.6
Units
V
V
Capacitance
Symbol
C
IN
C
OUT
C
PD
Input Capacitance
Output Capacitance
Power Dissipation Capacitance
Parameter
Conditions
V
CC
=
Open, V
I
=
0V or V
CC
V
CC
=
3.3V, V
I
=
0V or V
CC
V
CC
=
3.3V, V
I
=
0V or V
CC
, f
=
10 MHz
Typical
7
8
25
Units
pF
pF
pF
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4
74LCX112
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
±
0.3V
V
CC
x 2 at V
CC
=
2.5
±
0.2V
GND
Waveform for Inverting and Non-Inverting Functions
嵌入式系统
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