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74LVC374A

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Product data sheet

Rev. 3 — 6 December 2012

9 of 19

Nexperia

74LVC374A

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

11. Waveforms

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

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 8.

3-state enable and disable times

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