74LVC14A 데이터 시트보기 (PDF) - Philips Electronics
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74LVC14A Datasheet PDF : 20 Pages
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Philips Semiconductors
Hex inverting Schmitt-trigger with
5 V tolerant input
Product specification
74LVC14A
TRANSFER CHARACTERISTICS
Voltages are referenced to GND (ground = 0 V).
SYMBOL
PARAMETER
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
WAVEFORMS VCC (V)
MIN. TYP.(1) MAX. UNIT
see Figs 5 and 6 1.2
−
−
1.2
V
2.5
0.9
−
1.7
V
2.7
1.1
−
2.0
V
2.7 to 3.6 1.1
−
2.0
V
see Figs 5 and 6 1.2
0
−
−
V
2.5
0.4
−
1.2
V
2.7
0.8
−
1.5
V
2.7 to 3.6 0.8
−
1.5
V
see Figs 5, 6 1.2
and 7
2.5
−
−
−
V
0.3
−
−
V
2.7
0.3
0.4
−
V
2.7 to 3.6 0.3
0.45(2) −
V
see Figs 5 and 6 1.2
−
−
2.5
0.9
−
2.7
1.1
−
2.7 to 3.6 1.1
−
see Figs 5 and 6 1.2
0
−
2.5
0.4
−
2.7
0.8
−
2.7 to 3.6 0.8
−
see Figs 5, 6 1.2
and 7
2.5
−
−
0.2
−
2.7
0.3
−
2.7 to 3.6 0.3
−
1.2
V
1.7
V
2.0
V
2.0
V
−
V
1.2
V
1.5
V
1.5
V
−
V
−
V
−
V
−
V
Notes
1. All typical values are measured at Tamb = 25 °C.
2. The VIH and VIL from the DC family characteristics are superseded by the VT+ and VT−.
2003 Feb 28
8
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