Nexperia

74HC151; 74HCT151

8-input multiplexer

10.1. Waveforms and test circuit

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tPLH

tPHL

VM

VM

10 %

10 %

VM

VM

Y output

In input

VI

GND

VOH

VOL

tTLH

tTHL

tPHL

tPLH

VM

VM

90 %

10 %

10 %

tTHL

tTLH

90 %

90 %

Y output

VOH

VOL

90 %

Measurement points are given in Table 8.

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

Fig. 4. Propagation delay input (In) to output (Y, Y) and the output (Y, Y) transition time

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tPHL

tPLH

VM

VM

90 %

10 %

10 %

tTHL

tTLH

90 %

Y output

VOH

VOL

tPLH

tPHL

VM

VM

10 %

10 %

VM

VM

Y output

Sn, E input

VI

GND

VOH

VOL

tTLH

tTHL

90 %

90 %

Measurement points are given in Table 8.

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

Fig. 5. Propagation delay input (Sn, E) to output (Y, Y) and output (Y, Y) transitions time

Table 8. Measurement points

Input

Output

Type

VM

VM

74HC151

0.5 × VCC

0.5 × VCC

74HCT151

1.3 V

1.3 V

74HC_HCT151

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Product data sheet

Rev. 10 — 19 October 2022

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