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74HC251-Q100 Datasheet(Hoja de datos) 9 Page - Nexperia B.V. All rights reserved

No. de Pieza. 74HC251-Q100
Descripción  8-input multiplexer; 3-state
Descarga  17 Pages
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Fabricante  NEXPERIA [Nexperia B.V. All rights reserved]
Página de inicio  https://www.nexperia.com/
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Nexperia
74HC251-Q100; 74HCT251-Q100
8-input multiplexer; 3-state
10.1. Waveforms and test circuit
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tPLH
tPHL
VM
VM
10 %
10 %
VM
VM
Y output
In input
VI
GND
VOH
VOL
tTLH
tTHL
tPHL
tPLH
VM
VM
90 %
10 %
10 %
tTHL
tTLH
90 %
90 %
Y output
VOH
VOL
90 %
Measurement points are given in Table 8.
VOLand VOH are typical voltage output levels that occur with the output load.
Fig. 6. Propagation delay input (In) to output (Y,Y) and the output (Y,Y) transition time
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tPHL
tPLH
VM
VM
90 %
10 %
10 %
tTHL
tTLH
90 %
Y output
VOH
VOL
tPLH
tPHL
VM
VM
10 %
10 %
VM
VM
Y output
Sn, OE input
VI
GND
VOH
VOL
tTLH
tTHL
90 %
90 %
Measurement points are given in Table 8.
VOLand VOH are typical voltage output levels that occur with the output load.
Fig. 7. Propagation delay input (Sn,OE) to output (Y,Y)
74HC_HCT251_Q100
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©
Nexperia B.V. 2019. All rights reserved
Product data sheet
Rev. 2 — 15 July 2019
9 / 17




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