NXP Semiconductors
74LVC14A
Hex inverting Schmitt trigger with 5 V tolerant input
V
I
negative
pulse
0V
t
W
90 %
V
M
10 %
t
f
t
r
t
r
t
f
90 %
V
M
10 %
t
W
V
M
V
M
V
I
positive
pulse
0V
V
CC
PULSE
GENERATOR
V
I
DUT
RT
CL
RL
V
O
001aaf615
Test data is given in
Definitions for test circuit:
R
L
= Load resistance
C
L
= Load capacitance including jig and probe capacitance
R
T
= Termination resistance should be equal to output impedance Z
o
of the pulse generator.
Fig 7.
Table 8.
Load circuitry for measuring switching times
Test data
Input
V
I
t
r
, t
f
2 ns
2 ns
2 ns
2.5 ns
2.5 ns
V
CC
V
CC
V
CC
2.7 V
2.7 V
Load
C
L
30 pF
30 pF
30 pF
50 pF
50 pF
R
L
1 k
1 k
500
500
500
Supply voltage
1.2 V
1.65 V to 1.95 V
2.3 V to 2.7 V
2.7 V
3.0 V to 3.6 V
74LVC14A
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 5 — 23 December 2011
7 of 18
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