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74ALVC14

Hex inverting Schmitt trigger

Philips Electronics 

Philips Semiconductors

74ALVC14

Hex inverting Schmitt trigger

Table 11: Transfer characteristics …continued

The VIH and VIL from the family static characteristics are superseded by the VT+ and VT−.

Voltages are referenced to GND (ground = 0 V); see Figure 8.

Symbol Parameter

Conditions

Min Typ Max Unit

VH

hysteresis (VT+ − VT−)

VCC = 1.65 V

VCC = 1.95 V

0.25 0.34 0.62 V

0.25 0.36 0.62 V

VCC = 2.3 V

0.3 0.36 1.0 V

VCC = 2.7 V

VCC = 3.0 V

0.3 0.38 1.1 V

[2] 0.3 0.37 1.2 V

VCC = 3.6 V

0.3 0.40 1.2 V

[1] All typical values are measured at Tamb = 25 °C.

[2] The typical transfer characteristic is displayed in Figure 9.

14. Waveforms transfer characteristics

VO

VT+

VI

VH

VT−

VH

VT−

VT+

VI

mna207

Fig 8. Definition of VT+, VT− and VH

VO

VT− at 20 % and VT+ at 70 %

mna208

5

I CC

(mA)

4

mna582

3

2

1

0

0

0.6

1.2

1.8

2.4

3

VI (V)

VCC = 3.0 V.

Fig 9. Typical transfer characteristic

9397 750 14592

Product data sheet

Rev. 03 — 15 February 2005

© Koninklijke Philips Electronics N.V. 2005. All rights reserved.

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