74HC688 Просмотр технического описания (PDF) - Nexperia B.V. All rights reserved

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74HC688

8-bit magnitude comparator

Nexperia B.V. All rights reserved 

Nexperia

74HC688

8-bit magnitude comparator

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

001aah768

Test data is given in Table 9.

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.

Figure 8. Test circuit for measuring switching times

Table 9. Test data

Input

VI

GND to VCC

tr, tf

6.0 ns

Load

CL

15 pF, 50 pF

Test

tPLH, tPHL

74HC688

Product data sheet

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

Rev. 3 — 4 July 2018

© Nexperia B.V. 2018. All rights reserved.

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