2003 Oct 30

15

Philips Semiconductors

Product specification

Hex inverting Schmitt trigger

74HC14; 74HCT14

handbook, halfpage

01

2

3

6

1.8

0

0.6

0.3

1.2

1.5

0.9

45

MNA850

ICC

(mA)

VI (V)

Fig.13 Typical 74HCT14 transfer characteristics.

AC WAVEFORMS

handbook, halfpage

MNA722

tPLH

tPHL

VM

VM

90%

10%

VM

VM

nY output

nA input

VI

GND

VOH

VOL

tTLH

tTHL

Fig.14 The input (nA) to output (nY) propagation delays and output transitions times.