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74LCXH245SJ Folha de dados(PDF) 4 Page - Fairchild Semiconductor |
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74LCXH245SJ Folha de dados(HTML) 4 Page - Fairchild Semiconductor |
4 / 10 page www.fairchildsemi.com 4 DC Electrical Characteristics (Continued) Note 5: Outputs disabled or 3-STATE only. Note 6: An external driver must source at least the specified current to switch from LOW-to-HIGH. Note 7: An external driver must sink at least the specified current to switch from HIGH-to-LOW. AC Electrical Characteristics Note 8: 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). Dynamic Switching Characteristics Capacitance Symbol Parameter Conditions VCC TA = −40°C to +85°C Units (V) Min Max II(HOLD) Bushold Input Minimum VIN = 0.7V 2.3 45 µA Drive Hold Current VIN = 1.7V −45 VIN = 0.8V 3.0 75 VIN = 2.0V −75 II(OD) Bushold Input Over-Drive (Note 6) 2.7 300 µA Current to Change State (Note 7) −300 (Note 6) 3.6 450 (Note 7) −450 IOZ 3-STATE I/O Leakage VO = VCC or GND 2.3 − 3.6 ±5.0 µA ICC Quiescent Supply Current VI = VCC or GND 2.3 − 3.6 10 µA 3.6V ≤ V I, VO ≤ 5.5V (Note 5) 2.3 − 3.6 ±10 ∆I CC Increase in ICC per Input VIH = VCC −0.6V 2.3 - 3.6 500 µA Symbol Parameter TA = −40°C to +85°C, RL = 500Ω Units VCC = 3.3V ± 0.3V VCC = 2.7V VCC = 2.5V ± 0.2V CL = 50 pF CL = 50 pF CL = 30 pF Min Max Min Max Min Max tPHL Propagation Delay 1.5 7.0 1.5 8.0 1.5 8.4 ns tPLH An to Bn or Bn to An 1.5 7.0 1.5 8.0 1.5 8.4 tPZL Output Enable Time 1.5 8.5 1.5 9.5 1.5 10.5 ns tPZH 1.5 8.5 1.5 9.5 1.5 10.5 tPLZ Output Disable Time 1.5 7.5 1.5 8.5 1.5 9.0 ns tPHZ 1.5 7.5 1.5 8.5 1.5 9.0 tOSHL Output to Output Skew 1.0 ns tOSLH (Note 8) 1.0 Symbol Parameter Conditions VCC TA = 25°C Units (V) Typical VOLP Quiet Output Dynamic Peak VOL CL = 50 pF, VIH = 3.3V, VIL = 0V 3.3 0.8 V CL = 30 pF, VIH = 2.5V, VIL = 0V 2.5 0.6 VOLV Quiet Output Dynamic Valley VOL CL = 50 pF, VIH = 3.3V, V IL = 0V 3.3 −0.8 V CL = 30 pF, VIH = 2.5V, VIL = 0V 2.5 −0.6 Symbol Parameter Conditions Typical Units CIN Input Capacitance VCC = Open, VI = 0V or VCC 7pF CI/O Input/Output Capacitance VCC = 3.3V, VI = 0V or VCC 8pF CPD Power Dissipation Capacitance VCC = 3.3V, VI = 0V or VCC, f = 10 MHz 25 pF |
Nº de peça semelhante - 74LCXH245SJ |
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Descrição semelhante - 74LCXH245SJ |
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