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Número de pieza | 74HCT14 | |
Descripción | Hex inverting Schmitt trigger | |
Fabricantes | Philips | |
Logotipo | ||
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DATA SHEET
74HC14; 74HCT14
Hex inverting Schmitt trigger
Product specification
Supersedes data of 1997 Aug 26
2003 Oct 30
1 page Philips Semiconductors
Hex inverting Schmitt trigger
Product specification
74HC14; 74HCT14
handbook, halfpage
1A
1
2A
3
3A
5
4A
9
5A
11
6A
13
1Y 2
2Y
4
3Y
6
4Y
8
5Y
10
6Y
12
MNA842
Fig.5 Functional diagram.
handbook, halfpageA
Y
MNA843
Fig.6 Logic diagram (one Schmitt trigger).
2003 Oct 30
5
5 Page Philips Semiconductors
Hex inverting Schmitt trigger
Product specification
74HC14; 74HCT14
Family 74HCT
At recommended operating conditions: voltages are referenced to GND (ground = 0 V)
SYMBOL
PARAMETER
Tamb = 25 °C; note 1
VT+ positive-going threshold
VT− negative-going threshold
VH hysteresis (VT+ − VT−)
Tamb = −40 to +85 °C
VT+ positive-going threshold
VT− negative-going threshold
VH hysteresis (VT+ − VT−)
Tamb = −40 to +125 °C
VT+ positive-going threshold
VT− negative-going threshold
VH hysteresis (VT+ − VT−)
TEST CONDITIONS
MIN.
WAVEFORMS VCC (V)
TYP.
MAX. UNIT
Figs 7 and 8
Figs 7 and 8
Figs 7 and 8
4.5 1.2 1.41 1.9 V
5.5 1.4 1.59 2.1 V
4.5 0.5 0.85 1.2 V
5.5 0.6 0.99 1.4 V
4.5 0.4 0.56 −
V
5.5 0.4 0.60 −
V
Figs 7 and 8
Figs 7 and 8
Figs 7 and 8
4.5 1.2 −
5.5 1.4 −
4.5 0.5 −
5.5 0.6 −
4.5 0.4 −
5.5 0.4 −
1.9 V
2.1 V
1.2 V
1.4 V
−V
−V
Figs 7 and 8
Figs 7 and 8
Figs 7 and 8
4.5 1.2 −
5.5 1.4 −
4.5 0.5 −
5.5 0.6 −
4.5 0.4 −
5.5 0.4 −
1.9 V
2.1 V
1.2 V
1.4 V
−V
−V
Note
1. All typical values are measured at Tamb = 25 °C.
2003 Oct 30
11
11 Page |
Páginas | Total 23 Páginas | |
PDF Descargar | [ Datasheet 74HCT14.PDF ] |
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