74HC_HCT3G14_15 datasheet(9/21 Pages) PHILIPS

Nome de Peças	74HC_HCT3G14

Descrição Electrónicos	Triple inverting Schmitt trigger

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74HC_HCT3G14

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Product data sheet

Rev. 5 — 9 December 2013

9 of 21

NXP Semiconductors

74HC3G14; 74HCT3G14

Triple inverting Schmitt trigger

12. Dynamic characteristics

[1]

tpd is the same as tPLH and tPHL

[2]

tt is the same as tTLH and tTHL

[3]

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

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

2

 f

o) = sum of the outputs.

Table 9.

Dynamic characteristics

Voltages are referenced to GND (ground = 0 V); for test circuit see Figure 11.

Symbol

Parameter

Conditions

25

C

40 C to +125 C

Unit

Min

Typ

Max

Min

Max

(85

C)

Max

(125

C)

74HC3G14

tpd

propagation delay

nA to nY; see Figure 10

[1]

VCC = 2.0 V

-

53

125

-

155

190

ns

VCC = 4.5 V

-

16

25

-

31

38

ns

VCC = 6.0 V

-

13

21

-

26

32

ns

tt

transition time

nY; see Figure 10

[2]

VCC = 2.0 V

-

20

75

-

95

110

ns

VCC = 4.5 V

-

7

15

-

19

22

ns

VCC = 6.0 V

-

5

13

-

16

19

ns

CPD

power dissipation

capacitance

VI = GND to VCC

[3]

-10

-

pF

74HCT3G14

tpd

propagation delay

nA to nY; see Figure 10

[1]

VCC = 4.5 V

-

21

32

-

40

48

ns

tt

transition time

nY; see Figure 10

[2]

VCC = 4.5 V

-

6

15

-

19

22

ns

CPD

power dissipation

capacitance

VI = GND to VCC  1.5 V

[3]

-10

-

pF

Nº de peça semelhante - 74HC_HCT3G14_15

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Descrição semelhante - 74HC_HCT3G14_15

Fabricante Electrônico	Nome de Peças	Folha de dados	Descrição Electrónicos
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