Philips Semiconductors
Product specification
Hex inverting Schmitt trigger
Family 74HCT
At recommended operating conditions: voltages are referenced to GND (ground = 0 V)
TEST CONDITIONS
SYMBOL
T
amb
= 25
°C;
note 1
V
T+
V
T−
V
H
positive-going threshold
negative-going threshold
hysteresis (V
T+
−
V
T−
)
Figs 7 and 8
Figs 7 and 8
Figs 7 and 8
4.5
5.5
4.5
5.5
4.5
5.5
T
amb
=
−40
to +85
°C
V
T+
V
T−
V
H
positive-going threshold
negative-going threshold
hysteresis (V
T+
−
V
T−
)
Figs 7 and 8
Figs 7 and 8
Figs 7 and 8
4.5
5.5
4.5
5.5
4.5
5.5
T
amb
=
−40
to +125
°C
V
T+
V
T−
V
H
positive-going threshold
negative-going threshold
hysteresis (V
T+
−
V
T−
)
Figs 7 and 8
Figs 7 and 8
Figs 7 and 8
4.5
5.5
4.5
5.5
4.5
5.5
Note
1. All typical values are measured at T
amb
= 25
°C.
1.2
1.4
0.5
0.6
0.4
0.4
1.2
1.4
0.5
0.6
0.4
0.4
1.2
1.4
0.5
0.6
0.4
0.4
PARAMETER
WAVEFORMS
V
CC
(V)
74HC14; 74HCT14
MIN.
TYP.
MAX.
UNIT
1.41
1.59
0.85
0.99
0.56
0.60
−
−
−
−
−
−
−
−
−
−
−
−
1.9
2.1
1.2
1.4
−
−
V
V
V
V
V
V
1.9
2.1
1.2
1.4
−
−
V
V
V
V
V
V
1.9
2.1
1.2
1.4
−
−
V
V
V
V
V
V
2003 Oct 30
11
PHILIPS [ NXP SEMICONDUCTORS ]
