74LVC3G14GF,115 データシートの表示（PDF） - NXP Semiconductors.

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74LVC3G14GF,115

Triple inverting Schmitt trigger with 5 V tolerant input

NXP Semiconductors. 

NXP Semiconductors

74LVC3G14

Triple inverting Schmitt trigger with 5 V tolerant input

12. Dynamic characteristics

Table 9. Dynamic characteristics

Voltages are referenced to GND (ground = 0 V). For test circuit see Figure 9.

Symbol Parameter

Conditions

−40 °C to +85 °C

Min Typ[1] Max

tpd

propagation delay nA to nY; see Figure 8

[2]

VCC = 1.65 V to 1.95 V

1.0

4.2

11.0

VCC = 2.3 V to 2.7 V

0.5

3.0

6.5

VCC = 2.7 V

0.5

3.8

7.0

VCC = 3.0 V to 3.6 V

0.5

3.2

6.0

VCC = 4.5 V to 5.5 V

0.5

2.4

4.3

CPD

power dissipation VI = GND to VCC; VCC = 3.3 V [3]

-

18.1

-

capacitance

−40 °C to +125 °C Unit

Min

Max

1.0

12.0 ns

0.5

7.2 ns

0.5

7.7 ns

0.5

6.7 ns

0.5

4.7 ns

-

- pF

[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 × N + ∑(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;

N = number of inputs switching;

∑(CL × VCC2 × fo) = sum of outputs.

13. Waveforms

VI

nA input

GND

VOH

nY output

VOL

VM

t PHL

VM

VM

t PLH

VM

mna344

Measurement points are given in Table 10. VOL and VOH are typical output voltage levels that occur with the output load.

Fig 8. The data input (nA) to output (nY) propagation delays

74LVC3G14_7

Product data sheet

Rev. 07 — 12 June 2008

© NXP B.V. 2008. All rights reserved.

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