74HC14D-T Datasheet, PDF(12/21 Page) NXP Semiconductors – Hex inverting Schmitt trigger

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74HC14D-T Datasheet, PDF (12/21 Pages) NXP Semiconductors – Hex inverting Schmitt trigger

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NXP Semiconductors

74HC14; 74HCT14

Hex inverting Schmitt trigger

R

C

For 74HC14 and 74HCT14:

f

=

-1-

T

ï»

K------ï´--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 â 19 September 2012

Â© NXP B.V. 2012. All rights reserved.

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