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74HC02DB Fiches technique(PDF) 7 Page - NXP Semiconductors

No de pièce 74HC02DB
Description  Quad 2-input NOR gate
PDF  15 Pages
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Fabricant  NXP [NXP Semiconductors]
Site Internet  http://www.nxp.com
Logo NXP - NXP Semiconductors

74HC02DB Fiches technique(HTML) 7 Page - NXP Semiconductors

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74HC_HCT02_3
© NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 03 — 18 September 2008
7 of 15
NXP Semiconductors
74HC02; 74HCT02
Quad 2-input NOR gate
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 7.
Load circuitry for measuring switching times
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
Table 9.
Test data
Type
Input
Load
Test
VI
tr, tf
CL
74HC02
VCC
6.0 ns
15 pF, 50 pF
tPLH, tPHL
74HCT02
3.0 V
6.0 ns
15 pF, 50 pF
tPLH, tPHL



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