74LVC3G04 datasheet(7/16 Pages) NXP

7 / 16 page

74LVC3G04_7

Product data sheet

Rev. 07 — 16 June 2008

7 of 16

NXP Semiconductors

74LVC3G04

Triple inverter

11. 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 × N+ Σ(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;

Σ(C

L × VCC

× f

o) = sum of outputs.

12. Waveforms

Table 8.

Dynamic characteristics

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

Symbol Parameter

Conditions

−40 °C to +85 °C

−40 °C to +125 °C Unit

Min

Typ[1]

Max

Min

Max

tpd

propagation delay

nA to nY; see Figure 8

[2]

VCC = 1.65 V to 1.95 V

1.0

3.5

8.0

1.0

9.5

VCC = 2.3 V to 2.7 V

0.5

2.2

4.4

0.5

5.4

VCC = 2.7 V

0.5

2.7

5.2

0.5

7.0

VCC = 3.0 V to 3.6 V

0.5

2.7

4.1

0.5

5.5

VCC = 4.5 V to 5.5 V

0.5

1.9

3.2

0.5

3.8

CPD

power dissipation

capacitance

VI = GND to VCC; VCC = 3.3 V

[3]

13.5

Measurement points are given in Table 9.

VOL and VOH are typical output voltage levels that occur with the output load.

Fig 8.

The input (nA) to output (nY) propagation delays

mna344

tPHL

tPLH

nA input

nY output

GND

VOH

VOL

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