74HC21D(2015) Просмотр технического описания (PDF) - NXP Semiconductors.
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74HC21D Datasheet PDF : 14 Pages
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Nexperia
74HC21
Dual 4-input AND gate
9,
QHJDWLYH
SXOVH
*1'
9,
SRVLWLYH
SXOVH
*1'
90
WI
WU
90
9,
*
57
W:
W:
9&&
'87
90
WU
WI
90
92
&/
DDK
Fig 8.
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.
Test circuit for measuring switching times
Table 9.
Type
74HC21
Test data
Input
VI
VCC
tr, tf
6.0 ns
Load
CL
15 pF, 50 pF
Test
tPLH, tPHL
74HC21
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 7 — 30 November 2015
© Nexperia B.V. 2017. All rights reserved
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