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MC74LCX74DT bảng dữ liệu(PDF) 4 Page - Motorola, Inc |
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MC74LCX74DT bảng dữ liệu(HTML) 4 Page - Motorola, Inc |
4 / 9 page MC74LCX74 MOTOROLA LCX DATA BR1339 — REV 3 4 DC ELECTRICAL CHARACTERISTICS (continued) TA = –40°C to +85°C Symbol Characteristic Condition Min Max Unit II Input Leakage Current 2.7V ≤ VCC ≤ 3.6V; 0V ≤ VI ≤ 5.5V ±5.0 µA ICC Quiescent Supply Current 2.7 ≤ VCC ≤ 3.6V; VI = GND or VCC 10 µA 2.7 ≤ VCC ≤ 3.6V; 3.6 ≤ VI ≤ 5.5V ±10 µA ∆ICC Increase in ICC per Input 2.7 ≤ VCC ≤ 3.6V; VIH = VCC – 0.6V 500 µA AC CHARACTERISTICS (tR = tF = 2.5ns; CL = 50pF; RL = 500Ω) Limits TA = –40°C to +85°C VCC = 3.0V to 3.6V VCC = 2.7V Symbol Parameter Waveform Min Max Min Max Unit fmax Clock Pulse Frequency 1 150 MHz tPLH tPHL Propagation Delay CPn to On or On 1 1.5 1.5 7.0 7.0 8.0 8.0 ns tPLH tPHL Propagation Delay SDn or CDn to On or On 2 1.5 1.5 7.0 7.0 8.0 8.0 ns ts Setup TIme, HIGH or LOW Dn to CPn 1 2.5 2.5 ns th Hold TIme, HIGH or LOW Dn to CPn 1 1.5 1.5 ns tw CPn Pulse Width, HIGH or LOW 1 3.3 3.3 ns SDn or CDn Pulse Width, LOW 3 3.3 3.6 ns trec Recovery TIme SDn or CDn to CPn 1 2.5 3.0 ns tOSHL tOSLH Output–to–Output Skew (Note 3.) 1.0 1.0 ns 3. 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. DYNAMIC SWITCHING CHARACTERISTICS TA = +25°C Symbol Characteristic Condition Min Typ Max Unit VOLP Dynamic LOW Peak Voltage (Note 4.) VCC = 3.3V, CL = 50pF, VIH = 3.3V, VIL = 0V 0.8 V VOLV Dynamic LOW Valley Voltage (Note 4.) VCC = 3.3V, CL = 50pF, VIH = 3.3V, VIL = 0V 0.8 V 4. Number of outputs defined as “n”. Measured with “n–1” outputs switching from HIGH–to–LOW or LOW–to–HIGH. The remaining output is measured in the LOW state. CAPACITIVE CHARACTERISTICS Symbol Parameter Condition Typical Unit CIN Input Capacitance VCC = 3.3V, VI = 0V or VCC 7 pF COUT Output Capacitance VCC = 3.3V, VI = 0V or VCC 8 pF CPD Power Dissipation Capacitance 10MHz, VCC = 3.3V, VI = 0V or VCC 25 pF |
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