NXP Semiconductors
74HC14; 74HCT14
Hex inverting Schmitt trigger
R
C
For 74HC14 and 74HCT14:
f
=
-1-
T
K--------1---R----C--
For K-factor see Figure 15
Fig 14. Relaxation oscillator
mna035
.
DDD
9&& 9
K-factor for 74HC14
Fig 15. Typical K-factor for relaxation oscillator
.
K-factor for 74HCT14
DDD
9&& 9
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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