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74LCXH2245 数据表(PDF) 4 Page - Fairchild Semiconductor |
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74LCXH2245 数据表(HTML) 4 Page - Fairchild Semiconductor |
4 / 11 page www.fairchildsemi.com 4 DC Electrical Characteristics (Continued) Note 4: Outputs disabled or 3-STATE only. Note 5: An external driver must source at least the specified current to switch from LOW-to-HIGH. Note 6: An external driver must sink at least the specified current to switch from HIGH-to-LOW. AC Electrical Characteristics Note 7: 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). Symbol Parameter Conditions VCC TA 40qC to 85qC Units (V) Min Max VOL LOW Level Output Voltage IOL 100 PA2.3 3.6 0.2 V A Outputs IOL 8 mA 2.3 0.6 IOL 12 mA 2.7 0.4 IOL 16 mA 3.0 0.4 IOL 24 mA 3.0 0.55 VOL LOW Level Output Voltage IOL 100 PA2.3 3.6 0.2 V B Outputs IOL 4 mA 2.3 0.6 IOL 4 mA 2.7 0.4 IOL 6 mA 3.0 0.55 IOL 8 mA 2.7 0.6 IOL 12 mA 3.0 0.8 II Input Leakage Current VI VCC or GND 2.3 3.6 r5.0 PA II(HOLD) Bushold Input Minimum VIN 0.7V 2.3 45 PA Drive Hold Current VIN 1.7V 45 VIN 0.8V 3.0 75 VIN 2.0V 75 II(OD) Bushold Input Over-Drive (Note 5) 2.7 300 PA Current to Change State (Note 6) 300 (Note 5) 3.6 450 (Note 6) 450 IOZ 3-STATE I/O Leakage VO VCC or GND 2.3 3.6 r5.0 PA VI VIH or VIL ICC Quiescent Supply Current VI VCC or GND 2.3 3.6 10 PA 3.6V d VI, VO d 5.5V (Note 4) 2.3 3.6 r10 'ICC Increase in ICC per Input VIH VCC 0.6V 2.3 - 3.6 500 PA Symbol Parameter TA 40qC to 85qC, RL 500: Units VCC 3.3V r 0.3V VCC 2.7V VCC 2.5V r 0.2V CL 50 pF CL 50 pF CL 30 pF Min Max Min Max Min Max tPHL Propagation Delay 1.58.0 1.59.0 1.59.6 ns tPLH A to B tPHL Propagation Delay 1.57.0 1.58.0 1.58.4 ns tPLH B to A tPZL Output Enable Time 1.5 9.5 1.5 10.5 1.5 11.0 ns tPZH A to B tPZL Output Enable Time 1.58.5 1.59.5 1.5 10.5 ns tPZH B to A tPLZ Output Disable Time 1.57.5 1.58.5 1.59.0 ns tPHZ A to B tPLZ Output Disable Time 1.57.5 1.58.5 1.59.0 ns tPHZ B to A tOSHL Output to Output Skew 1.0 ns tOSLH (Note 7) |
类似零件编号 - 74LCXH2245 |
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类似说明 - 74LCXH2245 |
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