Datasheet

74LV14 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
Product data sheet Rev. 6 — 12 December 2011 8 of 19
NXP Semiconductors
74LV14
Hex inverting Schmitt trigger
[1] All typical values are measured at T
amb
=25C.
14. Waveforms transfer characteristics
V
T
negative-going
threshold voltage
V
CC
= 1.2 V - 0.34 - - - V
V
CC
= 2.0 V 0.3 0.65 0.9 0.3 0.9 V
V
CC
= 2.7 V 0.4 0.90 1.4 0.4 1.4 V
V
CC
= 3.0 V 0.6 1.05 1.5 0.6 1.5 V
V
CC
= 3.6 V 0.8 1.30 1.8 0.8 1.8 V
V
CC
= 4.5 V 0.9 1.60 2.0 0.9 2.0 V
V
CC
= 5.5 V 1.1 2.00 2.6 1.1 2.6 V
V
H
hysteresis voltage V
CC
= 1.2 V - 0.3 - - - V
V
CC
= 2.0 V 0.2 0.55 0.8 0.2 0.8 V
V
CC
= 2.7 V 0.3 0.60 1.1 0.3 1.1 V
V
CC
= 3.0 V 0.4 0.65 1.2 0.4 1.2 V
V
CC
= 3.6 V 0.4 0.70 1.2 0.4 1.2 V
V
CC
= 4.5 V 0.4 0.80 1.4 0.4 1.4 V
V
CC
= 5.5 V 0.6 1.00 1.5 0.6 1.5 V
Table 10. Transfer characteristics
…continued
At recommended operating conditions; voltages are referenced to GND (ground = 0 V); see Figure 8 and Figure 9.
Symbol Parameter Conditions T
amb
= 40 C
to +85 C
T
amb
= 40 C
to +125 C
Unit
Min Typ
[1]
Max Min Max
V
T+
and V
T
limits at 70 % and 20 %.
Fig 8. Transfer characteristic Fig 9. Definition of V
T+
, V
T
and V
H
mna207
V
O
V
I
V
H
V
T+
V
T−
mna208
V
O
V
I
V
H
V
T+
V
T−