74AHC1G14GV 데이터 시트보기 (PDF) - Philips Electronics
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74AHC1G14GV Datasheet PDF : 20 Pages
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Philips Semiconductors
Inverting Schmitt trigger
Product specification
74AHC1G14; 74AHCT1G14
TRANSFER CHARACTERISTICS
Type 74AHC1G14
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
TEST CONDITIONS
Tamb (°C)
SYMBOL PARAMETER
OTHER
25
−40 to +85 −40 to +125 UNIT
VCC (V)
MIN. TYP. MAX. MIN. MAX. MIN. MAX.
VT+
positive-going see Figs 7 and 8 3.0
−
−
2.2 −
2.2 −
2.2 V
threshold
4.5
−
−
3.15 −
3.15 −
3.15 V
5.5
−
−
3.85 −
3.85 −
3.85 V
VT−
negative-going see Figs 7 and 8 3.0
0.9 −
−
0.9 −
0.9 −
V
threshold
4.5
1.35 −
−
1.35 −
1.35 −
V
5.5
1.65 −
−
1.65 −
1.65 −
V
VH
hysteresis
see Figs 7 and 8 3.0
0.3 −
1.2 0.3 1.2 0.25 1.2 V
(VT+ − VT−)
4.5
0.4 −
1.4 0.4 1.4 0.35 1.4 V
5.5
0.5 −
1.6 0.5 1.6 0.45 1.6 V
Type 74AHCT1G14
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
TEST CONDITIONS
Tamb (°C)
SYMBOL PARAMETER
25
−40 to +85 −40 to +125 UNIT
WAVEFORMS VCC (V)
MIN. TYP. MAX. MIN. MAX. MIN. MAX.
VT+
positive-going see Figs 7 and 8 4.5
−
−
2.0 −
2.0 −
2.0 V
threshold
5.5
−
−
2.0 −
2.0 −
2.0 V
VT−
negative-going see Figs 7 and 8 4.5
0.5 −
−
0.5 −
0.5 −
V
threshold
5.5
0.6 −
−
0.6 −
0.6 −
V
VH
hysteresis
see Figs 7 and 8 4.5
0.4 −
1.4 0.4 1.4 0.35 1.4 V
(VT+ − VT−)
5.5
0.4 −
1.6 0.4 1.6 0.35 1.6 V
2002 Jun 06
7
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