74LVC1G74 datasheet(10/25 Pages) PHILIPS

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74LVC1G74

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Product data sheet

Rev. 10 — 2 December 2011

10 of 25

NXP Semiconductors

74LVC1G74

Single D-type flip-flop with set and reset; positive edge trigger

[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 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

 f

o) = sum of outputs.

trec

recovery time

SD or RD; see Figure 9

VCC = 1.65 V to 1.95 V

1.9

VCC = 2.3 V to 2.7 V

1.4

VCC = 2.7 V

1.3

VCC = 3.0 V to 3.6 V

+1.2

3.0

+1.2

VCC = 4.5 V to 5.5 V

1.0

tsu

set-up time

D to CP; see Figure 8

VCC = 1.65 V to 1.95 V

2.9

VCC = 2.3 V to 2.7 V

1.7

VCC = 2.7 V

1.7

VCC = 3.0 V to 3.6 V

1.3

0.5

1.3

VCC = 4.5 V to 5.5 V

1.1

hold time

D to CP; see Figure 8

VCC = 1.65 V to 1.95 V

1.5

VCC = 2.3 V to 2.7 V

1.0

VCC = 2.7 V

1.0

VCC = 3.0 V to 3.6 V

1.0

0.6

1.0

VCC = 4.5 V to 5.5 V

1.0

fmax

maximum

frequency

CP; see Figure 8

VCC = 1.65 V to 1.95 V

MHz

VCC = 2.3 V to 2.7 V

175

MHz

VCC = 2.7 V

175

MHz

VCC = 3.0 V to 3.6 V

175

280

175

MHz

VCC = 4.5 V to 5.5 V

200

MHz

CPD

power dissipation

capacitance

VI = GND to VCC;

VCC =3.3 V

[3]

-15-

Table 9.

Dynamic characteristics …continued

Voltages are referenced to GND (ground = 0 V); for test circuit see Figure 10.

Symbol Parameter

Conditions

40 C to +85 C

40 C to +125 C

Unit

Min

Typ[1]

Max

Min

Max

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