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74ALVCH16827DGG Scheda tecnica(PDF) 7 Page - NXP Semiconductors |
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74ALVCH16827DGG Scheda tecnica(HTML) 7 Page - NXP Semiconductors |
7 / 10 page Philips Semiconductors Product specification 74ALVCH16827 20-bit buffer/line driver, non-inverting (3-State) 1998 Jul 27 7 AC WAVEFORMS FOR VCC = 2.3V TO 2.7V AND VCC < 2.3V RANGE VM = 0.5 V VX = VOL + 0.15V VY = VOH –0.15V VOL and VOH are the typical output voltage drop that occur with the output load. AC WAVEFORMS FOR VCC = 3.0V TO 3.6V AND VCC = 2.7V RANGE VM = 1.5 V VX = VOL + 0.3V VY = VOH –0.3V VOL and VOH are the typical output voltage drop that occur with the output load. V I = 2.7V V I = VCC An INPUT tPHL tPLH VOL VI GND VOH Yn OUTPUT SH00132 VM VM Waveform 1. The Input (nAx) to Output (nYx) Propagation Delays tPLZ tPZL VI nOE INPUT GND VCC OUTPUT LOW-to-OFF OFF-to-LOW VOL VOH OUTPUT HIGH-to-OFF OFF-to-HIGH GND outputs enabled outputs enabled outputs disabled tPHZ VM VM VM tPZH VX VY SH00137 Waveform 2. The 3-State Output Enable and Disable Times TEST CIRCUIT SWITCH POSITION PULSE GENERATOR RT VI D.U.T. VO CL VCC RL = 500 Ω Test Circuit for switching times Open GND S1 DEFINITIONS VCC VI < 2.7V VCC TEST S1 tPLH/tPHL Open RL = Load resistor CL = Load capacitance includes jig and probe capacitance RT = Termination resistance should be equal to ZOUT of pulse generators. 2 < VCC tPLZ/tPZL 2.7V 2.7–3.6V tPHZ/tPZH GND RL = 500 Ω 2 * VCC SV00906 Waveform 3. Load circuitry for switching times |
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