74HC_HCT3G14 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 5 — 9 December 2013 6 of 21
NXP Semiconductors 74HC3G14; 74HCT3G14
Triple inverting Schmitt trigger
Table 8. Transfer characteristics
Voltages are referenced to GND (ground = 0 V); for test circuit see Figure 11
.
Symbol Parameter Conditions 25 C 40 C to +125 C Unit
Min Typ Max Min Max
(85 C)
Max
(125 C)
74HC3G14
V
T+
positive-going
threshold voltage
see Figure 6, Figure 7
V
CC
= 2.0 V 1.00 1.18 1.50 1.00 1.50 1.50 V
V
CC
= 4.5 V 2.30 2.60 3.15 2.30 3.15 3.15 V
V
CC
= 6.0 V 3.00 3.46 4.20 3.00 4.20 4.20 V
V
T
negative-going
threshold voltage
see Figure 6, Figure 7
V
CC
= 2.0 V 0.30 0.60 0.90 0.30 0.90 0.90 V
V
CC
= 4.5 V 1.13 1.47 2.00 1.13 2.00 2.00 V
V
CC
= 6.0 V 1.50 2.06 2.60 1.50 2.60 2.60 V
V
H
hysteresis voltage (V
T+
V
T
); see Figure 6,
Figure 7 and Figure 9
V
CC
= 2.0 V 0.30 0.60 1.00 0.30 1.00 1.00 V
V
CC
= 4.5 V 0.60 1.13 1.40 0.60 1.40 1.40 V
V
CC
= 6.0 V 0.80 1.40 1.70 0.80 1.70 1.70 V
74HCT3G14
V
T+
positive-going
threshold voltage
see Figure 6, Figure 7
V
CC
= 4.5 V 1.20 1.58 1.90 1.20 1.90 1.90 V
V
CC
= 5.5 V 1.40 1.78 2.10 1.40 2.10 2.10 V
V
T
negative-going
threshold voltage
see Figure 6, Figure 7
V
CC
= 4.5 V 0.50 0.87 1.20 0.50 1.20 1.20 V
V
CC
= 5.5 V 0.60 1.11 1.40 0.60 1.40 1.40 V
V
H
hysteresis voltage (V
T+
V
T
); see Figure 6,
Figure 7
and Figure 8
V
CC
= 4.5 V 0.40 0.71 - 0.40 - - V
V
CC
= 5.5 V 0.40 0.67 - 0.40 - - V
