74HC_HCT4051

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© NXP Semiconductors N.V. 2016. All rights reserved.

Product data sheet

Rev. 8 — 5 February 2016

19 of 31

NXP Semiconductors

74HC4051; 74HCT4051

8-channel analog multiplexer/demultiplexer

For 74HC4051: VM =0.5  VCC.

For 74HCT4051: VM =1.3 V.

Fig 14. Turn-on and turn-off times

Definitions for test circuit; see Table 11:

RT = termination resistance should be equal to the output impedance Zo of the pulse generator.

CL = load capacitance including jig and probe capacitance.

RL = load resistance.

S1 = Test selection switch.

Fig 15. Test circuit for measuring AC performance