74LVC1G14 datasheet(6/16 Pages) NXP

6 / 16 page

74LVC1G14_7

Product data sheet

Rev. 07 — 18 July 2007

6 of 16

NXP Semiconductors

74LVC1G14

Single Schmitt-trigger inverter

[1]

All typical values are measured at Tamb = 25 °C

12. Dynamic characteristics

[1]

Typical values are measured at Tamb =25 °C and VCC = 1.8 V, 2.5 V, 2.7 V, 3.3 V and 5.0 V respectively.

[2]

tpd is the same as tPLH and tPHL.

[3]

CPD is used to determine the dynamic power dissipation (PD in µW).

PD =CPD × VCC2 × fi +(CL × VCC2 × fo) where:

fi = input frequency in MHz;

fo = output frequency in MHz;

CL = output load capacitance in pF;

VCC = supply voltage in V.

VT−

negative-going

threshold voltage

see Figure 9 and Figure 10

VCC = 1.8 V

0.46

0.6

0.75

0.46

0.78

VCC = 2.3 V

0.65

0.8

0.96

0.65

0.99

VCC = 3.0 V

0.88

1.0

1.24

0.88

1.27

VCC = 4.5 V

1.32

1.5

1.84

1.32

1.87

VCC = 5.5 V

1.58

1.8

2.24

1.58

2.27

hysteresis voltage

(VT+ − VT−); see Figure 9,

Figure 10 and Figure 11

VCC = 1.8 V

0.26

0.4

0.51

0.19

0.51

VCC = 2.3 V

0.28

0.4

0.57

0.22

0.57

VCC = 3.0 V

0.31

0.5

0.64

0.25

0.64

VCC = 4.5 V

0.40

0.6

0.77

0.34

0.77

VCC = 5.5 V

0.47

0.6

0.88

0.41

0.88

Table 8.

Transfer characteristics …continued

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

Symbol Parameter

Conditions

−40 °C to +85 °C

−40 °C to +125 °C

Unit

Min

Typ[1]

Max

Min

Max

Table 9.

Dynamic characteristics

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

Symbol Parameter

Conditions

−40 °C to +85 °C

−40 °C to +125 °C Unit

Min

Typ[1]

Max

Min

Max

tpd

propagation delay

A to Y; see Figure 7

[2]

VCC = 1.65 V to 1.95 V

1.0

4.1

11.0

1.0

14.0

VCC = 2.3 V to 2.7 V

0.7

2.8

6.5

0.7

8.5

VCC = 2.7 V

0.7

3.2

6.5

0.7

8.5

VCC = 3.0 V to 3.6 V

0.7

3.0

5.5

0.7

7.0

VCC = 4.5 V to 5.5 V

0.7

2.2

5.0

0.7

6.5

CPD

power dissipation

capacitance

VCC = 3.3 V; VI = GND to VCC

[3]

15.4

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