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74LVC_LVCH162244A 데이터시트(PDF) 7 Page - NXP Semiconductors |
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74LVC_LVCH162244A 데이터시트(HTML) 7 Page - NXP Semiconductors |
7 / 15 page 74LVC_LVCH162244A All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved. Product data sheet Rev. 6 — 16 December 2011 7 of 15 NXP Semiconductors 74LVC162244A; 74LVCH162244A 16-bit buffer/line driver; 30 resistors; 5 V tolerance; 3-state 10. Dynamic characteristics [1] tpd is the same as tPLH and tPHL. ten is the same as tPZL and tPZH. tdis is the same as tPLZ and tPHZ. [2] Typical values are measured at Tamb =25 C and VCC = 1.2 V, 1.8 V, 2.5 V, 2.7 V and 3.3 V respectively. [3] CPD is used to determine the dynamic power dissipation (PD in W). 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 = number of inputs switching (C L VCC 2 f o) = sum of the outputs. Table 7. Dynamic characteristics Voltages are referenced to GND (ground = 0 V). For test circuit see Figure 7. Symbol Parameter Conditions 40 C to +85 C 40 C to +125 C Unit Min Typ[2] Max Min Max tpd propagation delay nAntonYn; see Figure 5 [1] VCC = 1.2 V - 11.0 - - - ns VCC = 1.65 V to 1.95 V 1.5 6.0 15.0 1.5 17.2 ns VCC = 2.3 V to 2.7 V 1.0 3.2 7.4 1.0 8.2 ns VCC = 2.7 V 1.0 3.3 6.7 1.0 8.5 ns VCC = 3.0 V to 3.6 V 1.0 2.7 5.8 1.0 7.5 ns ten enable time nOE to nYn; see Figure 6 [1] VCC = 1.2 V - 15.0 - - - ns VCC = 1.65 V to 1.95 V 1.7 6.8 15.3 1.7 17.7 ns VCC = 2.3 V to 2.7 V 1.5 3.8 8.0 1.5 8.9 ns VCC = 2.7 V 1.5 4.2 7.6 1.5 9.5 ns VCC = 3.0 V to 3.6 V 1.0 3.1 6.0 1.0 7.5 ns tdis disable time nOE to nYn; see Figure 6 [1] VCC = 1.2 V - 10.0 - - - ns VCC = 1.65 V to 1.95 V 2.2 3.9 8.2 2.2 9.5 ns VCC = 2.3 V to 2.7 V 0.5 2.1 4.4 0.5 5.0 ns VCC = 2.7 V 1.5 3.1 4.7 1.5 6.0 ns VCC = 3.0 V to 3.6 V 1.5 2.8 4.5 1.5 6.0 ns CPD power dissipation capacitance per input; VI =GND to VCC [3] VCC = 1.65 V to 1.95 V - 4.8 - - - pF VCC = 2.3 V to 2.7 V - 8.3 - - - pF VCC = 3.0 V to 3.6 V - 11.4 - - - pF |
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