Nexperia

74LVC374A

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

mna644

tPLZ

tPHZ

outputs

disabled

outputs

enabled

VY

VX

outputs

enabled

output

LOW-to-OFF

OFF-to-LOW

output

HIGH-to-OFF

OFF-to-HIGH

OE input

VI

VOL

VOH

VCC

VM

GND

GND

tPZL

tPZH

VM

VM

Measurement points are given in Table 8.

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

Fig. 8. 3-state enable and disable times

mna202

GND

GND

th

th

tsu

tsu

VM

VM

VM

VI

VOH

VOL

VI

Qn output

CP input

Dn input

Measurement points are given in Table 8.

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

The shaded areas indicate when the input is permitted to change for predicable output performance.

Fig. 9. Data set-up and hold times for the Dn input to the CP input

Table 8. Measurement points

Supply voltage

Input

Output

VCC

VI

VM

VM

VX

VY

1.2 V

VCC

0.5 x VCC

0.5 x VCC

VOL + 0.15 V

VOH - 0.15 V

1.65 V to 1.95 V

VCC

0.5 x VCC

0.5 x VCC

VOL + 0.15 V

VOH - 0.15 V

2.3 V to 2.7 V

VCC

0.5 x VCC

0.5 x VCC

VOL + 0.15 V

VOH - 0.15 V

2.7 V

2.7 V

1.5 V

1.5 V

VOL + 0.3 V

VOH - 0.3 V

3.0 V to 3.6 V

2.7 V

1.5 V

1.5 V

VOL + 0.3 V

VOH - 0.3 V

74LVC374A

All information provided in this document is subject to legal disclaimers.

© Nexperia B.V. 2021. All rights reserved

Product data sheet

Rev. 5 — 27 August 2021

8 / 15