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74HCT14PW View Datasheet(PDF) -

Part Name
Description
Manufacturer
74HCT14PW
 
74HCT14PW Datasheet PDF : 0 Pages
NXP Semiconductors
74HC14; 74HCT14
Hex inverting Schmitt trigger
1.5
ICC
(mA)
1.2
0.9
0.6
0.3
mna849
1.8
ICC
(mA)
1.5
1.2
0.9
0.6
0.3
mna850
0
0
1
2
3
4
5
VI (V)
a. VCC = 4.5 V
Fig 11. Typical 74HCT transfer characteristics
0
0
1
2
3
4
5
6
VI (V)
b. VCC = 5.5 V
15. Application information
The slow input rise and fall times cause additional power dissipation, this can be
calculated using the following formula:
Padd = fi (tr  ICC(AV) + tf  ICC(AV)) VCC where:
Padd = additional power dissipation (W);
fi = input frequency (MHz);
tr = rise time (ns); 10 % to 90 %;
tf = fall time (ns); 90 % to 10 %;
ICC(AV) = average additional supply current (A).
Average ICC(AV) differs with positive or negative input transitions, as shown in Figure 12
and Figure 13.
An example of a relaxation circuit using the 74HC14; 74HCT14 is shown in Figure 14.
74HC_HCT14
Product data sheet
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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