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74HCT14N View Datasheet(PDF) -

Part Name
Description
Manufacturer
74HCT14N
 
74HCT14N Datasheet PDF : 0 Pages
NXP Semiconductors
74HC14; 74HCT14
Hex inverting Schmitt trigger
Table 9. Test data
Type
74HC14
74HCT14
Input
VI
VCC
3.0 V
tr, tf
6.0 ns
6.0 ns
13. Transfer characteristics
Load
CL
15 pF, 50 pF
15 pF, 50 pF
Test
tPLH, tPHL
tPLH, tPHL
Table 10. Transfer characteristics
At recommended operating conditions; voltages are referenced to GND (ground = 0 V); see Figure 8 and Figure 9.
Symbol Parameter Conditions
Tamb = 25 C
Tamb = 40 C
to +85 C
Tamb = 40 C Unit
to +125 C
Min Typ Max Min
Max
Min
Max
74HC14
VT+
positive-going VCC = 2.0 V
threshold
voltage
VCC = 4.5 V
VCC = 6.0 V
VT
negative-going VCC = 2.0 V
threshold
voltage
VCC = 4.5 V
VCC = 6.0 V
VH
hysteresis
VCC = 2.0 V
voltage
VCC = 4.5 V
VCC = 6.0 V
74HCT14
0.7 1.18 1.5 0.7
1.5
0.7
1.5 V
1.7 2.38 3.15 1.7 3.15
1.7
3.15 V
2.1 3.14 4.2 2.1
4.2
2.1
4.2 V
0.3 0.52 0.9 0.3
0.9
0.3
0.9 V
0.9 1.4 2.0 0.9
2.0
0.9
2.0 V
1.2 1.89 2.6 1.2
2.6
1.2
2.6 V
0.2 0.66 1.0 0.2
1.0
0.2
1.0 V
0.4 0.98 1.4 0.4
1.4
0.4
1.4 V
0.6 1.25 1.6 0.6
1.6
0.6
1.6 V
VT+
positive-going VCC = 4.5 V
threshold
voltage
VCC = 5.5 V
1.2 1.41 1.9 1.2
1.9
1.2
1.9 V
1.4 1.59 2.1 1.4
2.1
1.4
2.1 V
VT
negative-going VCC = 4.5 V
threshold
voltage
VCC = 5.5 V
0.5 0.85 1.2 0.5
1.2
0.5
1.2 V
0.6 0.99 1.4 0.6
1.4
0.6
1.4 V
VH
hysteresis
VCC = 4.5 V
voltage
VCC = 5.5 V
0.4 0.56 -
0.4
-
0.4
-
V
0.4 0.6 -
0.4
-
0.4
-
V
14. Transfer characteristics waveforms
VO
VT+
VI
VH
VT
VH
VT
VT+
Fig 8. Transfer characteristics
74HC_HCT14
Product data sheet
VI
mna207
VO
mna208
Fig 9. Transfer characteristics definitions
All information provided in this document is subject to legal disclaimers.
Rev. 6 — 19 September 2012
© NXP B.V. 2012. All rights reserved.
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