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74LVCH245ADB Scheda tecnica(PDF) 10 Page - NXP Semiconductors |
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74LVCH245ADB Scheda tecnica(HTML) 10 Page - NXP Semiconductors |
10 / 20 page 2003 May 07 10 Philips Semiconductors Product specification Octal bus transceiver with direction pin with 5 V tolerant input/outputs (3-state) 74LVC245A; 74LVCH245A AC WAVEFORMS handbook, halfpage MNA176 An, Bn input Bn, An output tPLH tPHL GND VI VM VM VM VM VOH VOL Fig.5 The inputs An,Bn to outputs Bn,An propagation delays. VM = 1.5 V at VCC ≥ 2.7 V. VM = 0.5VCC at VCC < 2.7 V. VOL and VOH are typical output voltage drop that occur with the output load. handbook, full pagewidth MNA362 tPLZ tPHZ outputs disabled outputs enabled VY VX outputs enabled output LOW-to-OFF OFF-to-LOW output HIGH-to-OFF OFF-to-HIGH nOE input VI VOL VOH VCC VM GND GND tPZL tPZH VM VM Fig.6 3-state enable and disable times. VM = 1.5 V at VCC ≥ 2.7 V; VM = 0.5VCC at VCC < 2.7 V; VX =VOL + 0.3 V at VCC ≥ 2.7 V; VX =VOL + 0.1 V at VCC < 2.7 V; VY =VOH − 0.3 V at VCC ≥ 2.7 V; VY =VOH − 0.1 V at VCC < 2.7 V. VOL and VOH are typical output voltage drop that occur with the output load. |
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