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74LCX14TTR

P1-P3P4-P6P7-P9P10-P12P13-P15
74LCX14 Electrical characteristics
7/15
Table 7. AC electrical characteristics
Symbol Parameter
Test condition Value
Unit
V
CC
(V)
C
L
(pF)
R
L
(Ω)
t
s
= t
r
(ns)
-40 to 85 °C
Min Max
t
PLH
t
PHL
Propagation delay
time
2.7
50 500 2.5
6.5
ns
3.0 to 3.6 1.5 5.0
t
OSLH
t
OSHL
Output to output
skew time
(1)
(2)
1. Skew is defined as the absolute value of the difference between the actual propagation delay for any two
outputs of the same device switching in the same direction, either HIGH or LOW (t
OSLH
= | t
PLHm
- t
PLHn
|,
t
OSHL
= | t
PHLm
- t
PHLn
|)
2. Parameter guaranteed by design
3.0 to 3.6 50 500 2.5 1.0 ns
Table 8. Capacitive characteristics
Symbol Parameter
Test condition Value
Unit
V
CC
(V)
T
A
= 25 °C
Min Typ Max
C
IN
Input capacitance 3.3
V
IN
= 0 to V
CC
6pF
C
PD
Power dissipation
capacitance
(1)
1. C
PD
is defined as the value of the IC’s internal equivalent capacitance which is calculated from the
operating current consumption without load. (Refer to Test Circuit). Average operating current can be
obtained by the following equation. I
CC(opr)
= C
PD
x V
CC
x f
IN
+ I
CC
/6 (per gate)
3.3
f
IN
= 10MHz
V
IN
= 0 or V
CC
48 pF
Test circuit 74LCX14
8/15
5 Test circuit
Figure 4. Test circuit
C
L
= 50pF or equivalent (includes jig and probe capacitance)
R
L
= 500
Ω
or equivalent
R
T
= Z
OUT
of pulse generator (typically 50
Ω
)
6 Waveforms
Figure 5. Waveform - propagation delay (f = 1MHz; 50% duty cycle)
74LCX14 Package mechanical data
9/15
7 Package mechanical data
In order to meet environmental requirements, ST offers these devices in ECOPACK®
packages. These packages have a Lead-free second level interconnect . The category of
second level interconnect is marked on the package and on the inner box label, in
compliance with JEDEC Standard JESD97. The maximum ratings related to soldering
conditions are also marked on the inner box label. ECOPACK is an ST trademark.
ECOPACK specifications are available at: www.st.com
P1-P3P4-P6P7-P9P10-P12P13-P15

74LCX14TTR

Mfr. #:
Buy 74LCX14TTR
Manufacturer:
STMicroelectronics
Description:
Inverters Hex Schmitt Trig Inv
Lifecycle:
New from this manufacturer.
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