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74AHC157D Fiches technique(PDF) 9 Page - NXP Semiconductors |
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74AHC157D Fiches technique(HTML) 9 Page - NXP Semiconductors |
9 / 16 page 74AHC_AHCT157_2 © NXP B.V. 2007. All rights reserved. Product data sheet Rev. 02 — 9 November 2007 9 of 16 NXP Semiconductors 74AHC157; 74AHCT157 Quad 2-input multiplexer 11. Waveforms Measurement points are given in Table 8. VOL and VOH are typical voltage output levels that occur with the output load. Fig 7. Propagation delay input (nI0, nI1, S) to output (nYn) mna486 tPHL tPLH VM VM nI0, nI1, S input nY output GND VI VOH VOL Measurement points are given in Table 8. VOL and VOH are typical voltage output levels that occur with the output load. Fig 8. Propagation delay input (E) to output (nY) mna485 tPHL tPLH VM VM E input nY output GND VCC VOH VOL Table 8. Measurement points Type Input Output VM VM 74AHC157 0.5VCC 0.5VCC 74AHCT157 1.5 V 0.5VCC |
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