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74AHCT138S16 数据表(PDF) 5 Page - Diodes Incorporated |
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74AHCT138S16 数据表(HTML) 5 Page - Diodes Incorporated |
5 / 9 page 74AHCT138 Document number: DS35483 Rev. 2 - 2 5 of 9 www.diodes.com June 2013 © Diodes Incorporated 74AHCT138 Switching Characteristics Symbol Parameter Test Conditions VCC TA = +25°C -40°C to +85°C -40°C to +125°C Unit Min Typ Max Min Max Min Max tPD Propagation Delay An to Yn Figure 2 CL =15pF 4.5V to 5.5V 0.5 4.4 10.4 1.0 12.0 1.0 13.0 ns Figure 2 CL = 50pF 4.5V to 5.5V 0.5 6.2 11.4 1.0 13.0 1.0 14.5 Propagation Delay E3 to Yn Figure 2 CL = 15pF 4.5V to 5.5V 0.5 4.3 9.1 1.0 10.5 1.0 11.5 ns Figure 2 CL = 50pF 4.5V to 5.5V 0.5 6.2 10.1 1.0 11.5 1.0 13.0 Propagation Delay En to Yn Figure 2 CL = 15pF 4.5V to 5.5V 0.5 4.3 9.6 1.0 11.0 1.0 12.0 ns Figure 2 CL = 50pF 4.5V to 5.5V 0.5 6.2 10.6 1.0 12.0 1.0 13.5 Operating Characteristics (@TA = +25°C, unless otherwise specified.) Parameter Test Conditions VCC = 5V Unit Typ Cpd Power dissipation capacitance f = 1 MHz all outputs switching-no load 23 pF Parameter Measurement Information VCC Inputs VM CL VI tr/tf Input Output 4.5V to 5.5V 3.0 V 3ns 1.5 V VCC/2 15pF, 50pF Voltage Waveform Pulse Duration Voltage Waveform Propagation Delay Times Inverting and Non Inverting Outputs Notes: A. Includes test lead and test apparatus capacitance. B. All pulses are supplied at pulse repetition rate ≤ 10 MHz. C. Inputs are measured separately one transition per measurement. D. tPLH and tPHL are the same as tPD. |
类似零件编号 - 74AHCT138S16 |
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类似说明 - 74AHCT138S16 |
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