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MC74LVX14_05 Datasheet, PDF (4/6 Pages) ON Semiconductor – Hex Schmitt Inverter With 5 V−Tolerant Inputs | |||
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MC74LVX14
NOISE CHARACTERISTICS (Input tr = tf = 3.0 ns, CL = 50 pF, VCC = 3.3 V, Measured in SOIC Package)
TA = 25°C
Symbol
Characteristic
Typ
Max
Unit
VOLP Quiet Output Maximum Dynamic VOL
0.3
0.5
V
VOLV Quiet Output Minimum Dynamic VOL
â0.3 â0.5
V
VIHD Minimum High Level Dynamic Input Voltage
2.0
V
VILD Maximum Low Level Dynamic Input Voltage
0.9
V
A
50%
tPLH
VCC
GND
tPHL
DEVICE
UNDER
TEST
OUTPUT
TEST POINT
CL*
O
50% VCC
Figure 3. Switching Waveforms
*Includes all probe and jig capacitance
Figure 4. Test Circuit
4
3
2
(VT+)
VHtyp
(VTâ)
1
2
2.5
3
3.5 3.6
VCC, POWER SUPPLY VOLTAGE (VOLTS) VHtyp = (VT+ typ) â (VTâ typ)
Figure 5. Typical Input Threshold, VT+, VTâ versus Power Supply Voltage
VH
Vin
VCC
VT+
VTâ
GND
VH
Vin
VCC
VT+
VTâ
GND
VOH
VOH
Vout
Vout
VOL
VOL
(a) A SchmittâTrigger Squares Up Inputs With Slow Rise and Fall Times
(b) A SchmittâTrigger Offers Maximum Noise Immunity
Figure 6. Typical SchmittâTrigger Applications
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