74HC158 Просмотр технического описания (PDF) - NXP Semiconductors.

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74HC158

Quad 2-input multiplexer; inverting

NXP Semiconductors. 

Nexperia

74HC158

Quad 2-input multiplexer; inverting

VI 90 %

negative

pulse

GND

VI

positive

pulse

GND 10 %

VM

10 %

tf

tr

90 %

VM

G

VI

RT

tW

tW

VCC

DUT

VM

tr

tf

VM

VO

CL

DDK



Fig 8.

Test data is given in Table 8.

Definitions test circuit:

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

CL = Load capacitance including jig and probe capacitance.

RL = Load resistance.

S1 = Test selection switch.

Test circuit for measuring switching times

Table 8. Test data

Type

74HC158

Input

VI

VCC

tr, tf

6.0 ns

Load

CL

15 pF, 50 pF

Test

tPLH, tPHL

74HC158

Product data sheet

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

Rev. 4 — 23 December 2015

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