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74LVC245AD 데이터시트(PDF) 8 Page - NXP Semiconductors |
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74LVC245AD 데이터시트(HTML) 8 Page - NXP Semiconductors |
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8 / 17 page ![]() 74LVC_LVCH245A_5 © NXP B.V. 2009. All rights reserved. Product data sheet Rev. 05 — 25 August 2009 8 of 17 NXP Semiconductors 74LVC245A; 74LVCH245A Octal bus transceiver; 3-state See Table 8 for measurement points VOL and VOH are typical output voltage levels that occur with the output load. Fig 6. Enable and disable times mna367 tPLZ tPHZ outputs disabled outputs enabled VY VX outputs enabled output LOW-to-OFF OFF-to-LOW output HIGH-to-OFF OFF-to-HIGH OE input VI VOL VOH VCC VM GND GND tPZL tPZH VM VM Table 8. Measurement points Supply voltage Input Output VCC VI VM VM VX VY 1.2 V VCC 0.5 × VCC 0.5 × VCC VOL + 0.1 V VOH − 0.1 V 2.7 V 2.7 V 1.5 V 1.5 V VOL + 0.3 V VOH − 0.3 V 3.0 V to 3.6 V 2.7 V 1.5 V 1.5 V VOL + 0.3 V VOH − 0.3 V |
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