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74HC243 数据表(PDF) 10 Page - NXP Semiconductors |
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74HC243 数据表(HTML) 10 Page - NXP Semiconductors |
10 / 17 page 9397 750 13808 © Koninklijke Philips Electronics N.V. 2004. All rights reserved. Product data sheet Rev. 03 — 12 November 2004 10 of 17 Philips Semiconductors 74HC243 Quad bus transceiver; 3-state 12. Waveforms VM = 0.5 × VI. Fig 5. Waveforms showing the input (An and Bn) to output (Bn and An) propagation delays and the output transition times VM = 0.5 × VI. Fig 6. Waveforms showing the 3-state enable and disable times for input OEA 001aab955 An, Bn input Bn, An output VM tPHL tTHL tTLH tPLH VM VM OEA input output LOW to OFF OFF to LOW output HIGH to OFF OFF to HIGH VM 001aab959 tf tr 90 % 10 % tPLZ VM tPZL tPHZ tPZH 10 % 90 % outputs disabled outputs enabled outputs enabled |
类似零件编号 - 74HC243 |
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类似说明 - 74HC243 |
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