Nexperia

74HC02; 74HCT02

Quad 2-input NOR gate

001aah768

tW

tW

tr

tr

tf

VM

VI

negative

pulse

GND

VI

positive

pulse

GND

10 %

90 %

90 %

10 %

VM

VM

VM

tf

VCC

DUT

RT

VI

VO

CL

G

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.

Fig. 5. Test circuit for measuring switching times

Table 9. Test data

Input

Load

Type

VI

tr, tf

CL

Test

74HC02

VCC

6.0 ns

15 pF, 50 pF

tPLH, tPHL

74HCT02

3.0 V

6.0 ns

15 pF, 50 pF

tPLH, tPHL

74HC_HCT02

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Product data sheet

Rev. 8 — 9 February 2023

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