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74ALS27 数据表(PDF) 4 Page - NXP Semiconductors |
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74ALS27 数据表(HTML) 4 Page - NXP Semiconductors |
4 / 7 page Philips Semiconductors Product specification 74ALS27 Triple 3-input NOR gate 1991 Feb 08 4 AC ELECTRICAL CHARACTERISTICS LIMITS SYMBOL PARAMETER TEST CONDITION Tamb = 0°C to +70°C VCC = +5.0V ± 10% CL = 50pF, RL = 500Ω UNIT MIN MAX tPLH tPHL Propagation delay nA, nB, nC to nY Waveform 1 2.0 2.0 15.0 9.0 ns AC WAVEFORMS For all waveforms, VM = 1.3V. VM VM VM VM tPLH tPHL nA, nB, nC nY SC00018 Waveform 1. Propagation Delay for Data to Output TEST CIRCUIT AND WAVEFORMS tw 90% VM 10% 90% VM 10% 90% VM 10% 90% VM 10% NEGATIVE PULSE POSITIVE PULSE tw AMP (V) 0.3V 0.3V tTHL (tff) INPUT PULSE REQUIREMENTS Rep.Rate tw tTLH tTHL 1MHz 500ns 2.0ns 2.0ns Input Pulse Definition VCC Family 74ALS D.U.T. PULSE GENERATOR RL CL RT VIN VOUT Test Circuit for Totem-pole Outputs DEFINITIONS: RL = Load resistor; see AC electrical characteristics for value. CL = Load capacitance includes jig and probe capacitance; see AC electrical characteristics for value. RT = Termination resistance should be equal to ZOUT of pulse generators. tTHL (tf ) tTLH (tr ) tTLH (tr ) AMP (V) Amplitude 3.5V 1.3V VM SC00005 |
类似零件编号 - 74ALS27 |
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类似说明 - 74ALS27 |
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