74HC253-Q100 データシートの表示（PDF） - NXP Semiconductors.
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74HC253-Q100 Datasheet PDF : 15 Pages
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Nexperia
74HC253-Q100; 74HCT253-Q100
Dual 4-input multiplexer; 3-state
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Fig 7.
Measurement points are given in Table 8 and 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.
RL = Load resistor.
Test circuit for measuring switching times
Table 9. Test data
Type
Input
VI
tr, tf
74HC253-Q100 VCC
6 ns
74HCT253-Q100 3 V
6 ns
Load
CL
50 pF
50 pF
RL
1 k
1 k
Switch position
tPHL, tPLH
open
tPZH, tPHZ
GND
open
GND
tPZL, tPLZ
VCC
VCC
74HC_HCT253_Q100
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 2 — 21 January 2015
© Nexperia B.V. 2017. All rights reserved
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