74LVC3G17DP datasheet(7/16 Pages) PHILIPS

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9397 750 14544

Product data sheet

Rev. 03 — 31 January 2005

7 of 16

Philips Semiconductors

74LVC3G17

Triple non-inverting Schmitt trigger with 5 V tolerant input

[1]

All typical values are measured at nominal VCC and Tamb = 25 °C.

[2]

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;

∑(C

L × VCC

× f

o) = sum of outputs.

[3]

The condition is VI = GND to VCC.

14. Waveforms

Tamb = −40 °C to +125 °C

tPHL, tPLH

propagation delay

input nA to output nY

see Figure 6 and 7

VCC = 1.65 V to 1.95 V

1.5

13.1

VCC = 2.3 V to 2.7 V

1.0

8.5

VCC = 2.7 V

1.0

8.5

VCC = 3.0 V to 3.6 V

1.0

7.1

VCC = 4.5 V to 5.5 V

1.0

5.4

Table 9:

Dynamic characteristics …continued

GND=0 V.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Measurement points are given in Table 10.

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

Fig 6.

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

Table 10:

Measurement points

Supply voltage

Input

Output

VCC

1.65 V to 1.95 V

0.5

× VCC

0.5

× VCC

2.3 V to 2.7 V

0.5

× V

0.5

× V

2.7 V

1.5 V

3.0 V to 3.6 V

1.5 V

4.5 V to 5.5 V

0.5

× VCC

0.5

× V

mnb072

nA input

nY output

tPLH

tPHL

GND

VOH

VOL

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