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74ALVCH16501DGG Scheda tecnica(PDF) 9 Page - NXP Semiconductors |
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74ALVCH16501DGG Scheda tecnica(HTML) 9 Page - NXP Semiconductors |
9 / 18 page 74ALVCH16501_3 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2010. All rights reserved. Product data sheet Rev. 03 — 2 April 2010 9 of 18 NXP Semiconductors 74ALVCH16501 18-bit universal bus transceiver; 3-state [1] All typical values are measured at Tamb = 25 °C. [2] Typical values are measured at VCC = 2.5 V. [3] Typical values are measured at VCC = 3.3 V. [4] tpd is the same as tPLH and tPHL. ten is the same as tPZL and tPZH. tdis is the same as tPLZ and tPHZ. [5] CPD is used to determine the dynamic power dissipation (PD in μW). PD = CPD × VCC2 × fi × N + ∑ (CL × VCC2 × fo) where: fi = input frequency in MHz; fo = output frequency in MHz; CL = output load capacitance in pF; VCC = supply voltage in Volts; N = total load switching outputs; ∑ (C L × VCC 2 × f o) = sum of outputs. tW pulse width LEAB, LEBA HIGH; see Figure 8 VCC = 2.3 V to 2.7 V [2] 3.3 0.8 - ns VCC = 3.0 V to 3.6 V [3] 3.3 0.9 - ns VCC = 2.7 V 3.3 0.7 - ns CPAB, CPBA HIGH or LOW; see Figure 8 VCC = 2.3 V to 2.7 V [2] 3.3 2.0 - ns VCC = 3.0 V to 3.6 V [3] 3.3 1.1 - ns VCC = 2.7 V 3.3 1.4 - ns tsu set-up time An, Bn to CPAB, CPBA; see Figure 9 VCC = 2.3 V to 2.7 V [2] 1.7 0.1 - ns VCC = 3.0 V to 3.6 V [3] 1.3 −0.3 - ns VCC = 2.7 V 1.4 −0.1 - ns An, Bn to LEAB, LEBA; see Figure 9 VCC = 2.3 V to 2.7 V [2] 1.1 0.1 - ns VCC = 3.0 V to 3.6 V [3] 1.0 0.3 - ns VCC = 2.7 V 1.0 −0.2 - ns th hold time An, Bn to CPAB, CPBA; see Figure 9 VCC = 2.3 V to 2.7 V [2] 1.7 0.3 - ns VCC = 3.0 V to 3.6 V [3] 1.3 0.4 - ns VCC = 2.7 V 1.6 0.3 - ns An, Bn to LEAB, LEBA; see Figure 9 VCC = 2.3 V to 2.7 V [2] 1.6 0.3 - ns VCC = 3.0 V to 3.6 V [3] 1.2 0.1 - ns VCC = 2.7 V 1.5 0.1 - ns CPD power dissipation capacitance per buffer; VI = GND to VCC [5] outputs enabled - 21 - pF outputs disabled - 3 - pF Table 7. Dynamic characteristics …continued At recommended operating conditions. Voltages are referenced to GND (ground = 0 V); test circuit Figure 10. Symbol Parameter Conditions Min Typ[1] Max Unit |
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