Nexperia

74LVC374A

Octal D-type flip-flop; 5 V tolerant inputs/outputs; positive-edge trigger; 3-state

-40 °C to +85 °C

-40 °C to +125 °C

Symbol Parameter

Conditions

Min

Typ[1] Max

Min

Max

Unit

Dn to CP; see Fig. 9

VCC = 1.65 V to 1.95 V

3.0

-

-

3.0

-

ns

VCC = 2.3 V to 2.7 V

2.0

-

-

2.0

-

ns

VCC = 2.7 V

1.5

-

-

1.5

-

ns

th

hold time

VCC = 3.0 V to 3.6 V

1.5

0.6

-

1.5

-

ns

see Fig. 7

VCC = 1.65 V to 1.95 V

100

-

-

64

-

MHz

VCC = 2.3 V to 2.7 V

125

-

-

100

-

MHz

VCC = 2.7 V

150

-

-

120

-

MHz

fmax

maximum

frequency

VCC = 3.0 V to 3.6 V

150

-

-

120

-

MHz

tsk(o)

output skew

time

VCC = 3.0 V to 3.6 V

[3]

-

-

1.0

-

1.5

ns

per flip-flop; VI = GND to VCC

[4]

VCC = 1.65 V to 1.95 V

-

11.6

-

-

-

pF

VCC = 2.3 V to 2.7 V

-

13.6

-

-

-

pF

CPD

power

dissipation

capacitance

VCC = 3.0 V to 3.6 V

-

15.4

-

-

-

pF

[1] Typical values are measured at Tamb = 25 °C and VCC = 1.2 V, 1.8 V, 2.5 V, 2.7 V and 3.3 V respectively.

[2] tpd is the same as tPLH and tPHL.

ten is the same as tPZL and tPZH.

tdis is the same as tPLZ and tPHZ.

[3] Skew between any two outputs of the same package switching in the same direction. This parameter is guaranteed by design.

[4] CPD is used to determine the dynamic power dissipation (PD in μW).

PD = CPD x VCC 2 x fi x N + Σ(CL x VCC 2 x fo) where:

fi = input frequency in MHz; fo = output frequency in MHz

CL = output load capacitance in pF

VCC = supply voltage in Volt

N = number of inputs switching

Σ(CL x VCC 2 x fo) = sum of the outputs

10.1. Waveforms and test circuit

mna894

CP input

Qn output

tPHL

tPLH

tW

1/fmax

VM

VOH

VI

GND

VOL

VM

Measurement points are given in Table 8.

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

Fig. 7. Clock (CP) to output (Qn) propagation delays, the clock pulse width, output transition times, and the

maximum frequency

74LVC374A

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© Nexperia B.V. 2021. All rights reserved

Product data sheet

Rev. 5 — 27 August 2021

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