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74F381 데이터시트(PDF) 7 Page - NXP Semiconductors |
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74F381 데이터시트(HTML) 7 Page - NXP Semiconductors |
7 / 7 page Philips Semiconductors Product specification 74F381 Arithmetic Logic Unit 1989 Mar 01 7 AC ELECTRICAL CHARACTERISTICS LIMITS Tamb = +25°C Tamb = 0°C to +70°C SYMBOL PARAMETER TEST VCC = +5.0V VCC = +5.0V ± 10% UNIT CONDITION CL = 50pF, RL = 500Ω CL = 50pF, RL = 500Ω MIN TYP MAX MIN MAX tPLH tPHL Propagation delay Cn to Fn Waveform 1 2.5 2.5 6.0 4.5 11.0 6.5 2.5 2.5 12.5 7.5 ns tPLH tPHL Propagation delay Any An or Bn to any Fn Waveform 1 3.5 3.0 7.0 6.0 13.0 9.0 3.5 3.0 16.0 10.0 ns tPLH tPHL Propagation delay Sn to Fn Waveform 1 5.0 4.0 9.0 7.5 20.0 10.5 5.0 4.0 21.5 11.5 ns tPLH tPHL Propagation delay An to Bn to G Waveform 1 3.5 3.0 6.5 6.0 9.0 8.5 3.5 3.0 10.0 9.0 ns tPLH tPHL Propagation delay An or Bn to P Waveform 1 3.0 3.5 5.5 6.0 8.0 8.5 3.0 3.5 9.0 9.0 ns tPLH tPHL Propagation delay Sn to G or P Waveform 1 5.0 5.5 7.5 8.5 11.0 12.5 5.0 5.0 12.5 14.0 ns AC WAVEFORMS For all waveforms, VM = 1.5V. VM VM VM VM VOUT VIN tPHL tPLH SF00926 Waveform 1. Propagation Delay for Non-Inverting or Inverting paths TEST CIRCUIT AND WAVEFORM tw 90% VM 10% 90% VM 10% 90% VM 10% 90% VM 10% NEGATIVE PULSE POSITIVE PULSE tw AMP (V) 0V 0V tTHL (tf ) INPUT PULSE REQUIREMENTS rep. rate tw tTLH tTHL 1MHz 500ns 2.5ns 2.5ns Input Pulse Definition VCC family 74F 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 3.0V 1.5V VM SF00006 |
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