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74LVX14 Scheda tecnica(PDF) 3 Page - Motorola, Inc |
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74LVX14 Scheda tecnica(HTML) 3 Page - Motorola, Inc |
3 / 6 page MC74LVX14 LCX DATA BR1339 — REV 3 3 MOTOROLA AC ELECTRICAL CHARACTERISTICS (Input tr = tf = 3.0ns) Sb l P T C di i TA = 25°C TA = – 40 to 85°C Ui Symbol Parameter Test Conditions Min Typ Max Min Max Unit tPLH, tPHL Propagation Delay, Input to Output VCC = 2.7V CL = 15pF CL = 50pF 8.7 11.2 16.3 19.8 1.0 1.0 19.5 23.0 ns VCC = 3.3 ± 0.3V CL = 15pF CL = 50pF 6.8 9.3 10.6 14.1 1.0 1.0 12.5 16.0 tOSHL tOSLH Output–to–Output Skew (Note NO TAG) VCC = 2.7V CL = 50pF VCC = 3.3 ±0.3V CL = 50pF 1.5 1.5 1.5 1.5 ns 1. Skew is defined as the absolute value of the difference between the actual propagation delay for any two separate outputs of the same device. The specification applies to any outputs switching in the same direction, either HIGH–to–LOW (tOSHL) or LOW–to–HIGH (tOSLH); parameter guaranteed by design. CAPACITIVE CHARACTERISTICS Sb l P TA = 25°C TA = – 40 to 85°C Ui Symbol Parameter Min Typ Max Min Max Unit Cin Input Capacitance 4 10 10 pF CPD Power Dissipation Capacitance (Note NO TAG) 21 pF 2. CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating current consumption without load. Averageoperatingcurrentcanbeobtainedbytheequation:ICC(OPR)=CPDVCCfin+ICC / 6(perbuffer).CPDisusedtodeterminetheno–load dynamic power consumption; PD = CPD VCC2 fin + ICC VCC. NOISE CHARACTERISTICS (Input tr = tf = 3.0ns, CL = 50pF, VCC = 3.3V, Measured in SOIC Package) Sb l Ch i i TA = 25°C Ui Symbol Characteristic Typ Max Unit VOLP Quiet Output Maximum Dynamic VOL 0.3 0.5 V VOLV Quiet Output Minimum Dynamic VOL –0.3 –0.5 V VIHD Minimum High Level Dynamic Input Voltage 2.0 V VILD Maximum Low Level Dynamic Input Voltage 0.9 V Figure 3. Switching Waveforms VCC GND 50% 50% VCC A O tPHL tPLH * Includes all probe and jig capacitance Figure 4. Test Circuit CL* TEST POINT DEVICE UNDER TEST OUTPUT |
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