전자부품 데이터시트 검색엔진 |
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74LVTH245MTCX 데이터시트(PDF) 4 Page - Fairchild Semiconductor |
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74LVTH245MTCX 데이터시트(HTML) 4 Page - Fairchild Semiconductor |
4 / 8 page www.fairchildsemi.com 4 DC Electrical Characteristics (Continued) Note 4: Applies to Bushold versions only (LVTH245). 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. Note 7: This is the increase in supply current for each input that is at the specified voltage level rather than VCC or GND. Dynamic Switching Characteristics (Note 8) Note 8: Characterized in SOIC package. Guaranteed parameter, but not tested. Note 9: Max number of outputs defined as (n). n 1 data inputs are driven 0V to 3V. Output under test held LOW. AC Electrical Characteristics Note 10: 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). Capacitance (Note 11) Note 11: Capacitance is measured at frequency f 1 MHz, per MIL-STD-883, Method 3012. Symbol Parameter VCC TA 40qC to 85qC Units Conditions (V) Min Max IOZH (Note 4) 3-STATE Output Leakage Current 3.6 5 PAVO 3.6V IOZH 3-STATE Output Leakage Current 3.6 10 PAVCC VO d 5.5V ICCH Power Supply Current 3.6 0.19 mA Outputs HIGH ICCL Power Supply Current 3.6 5 mA Outputs LOW ICCZ Power Supply Current 3.6 0.19 mA Outputs Disabled ICCZ Power Supply Current 3.6 0.19 mA VCC d VO d 5.5V, Outputs Disabled 'ICC Increase in Power Supply Current 3.6 0.2 mA One Input at VCC 0.6V (Note 7) Other Inputs at VCC or GND Symbol Parameter VCC TA 25qC Units Conditions (V) Min Typ Max CL 50 pF, RL 500: VOLP Quiet Output Maximum Dynamic VOL 3.3 0.8 V (Note 9) VOLV Quiet Output Minimum Dynamic VOL 3.3 0.8 V (Note 9) Symbol Parameter TA 40qC to 85qC Units CL 50 pF, RL 500: VCC 3.3V r 0.3V VCC 2.7V MinMax MinMax tPLH Propagation Delay 1.2 3.6 1.2 4.0 ns tPHL 1.2 3.5 1.2 4.0 tPZH Output Enable Time 1.3 5.5 1.3 7.1 ns tPZL 1.7 5.7 1.7 6.7 tPHZ Output Disable 2.0 5.9 2.0 6.5 ns tPLZ 2.0 5.0 2.0 5.1 tOSHL Output to Output Skew 1.0 1.0 ns tOSLH (Note 10) Symbol Parameter Conditions Typical Units CIN Input Capacitance VCC 0V, VI 0V or VCC 4pF CI/O Input/Output Capacitance VCC 3.0V, VO 0V or VCC 8pF |
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