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74F623 데이터시트(PDF) 7 Page - NXP Semiconductors |
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74F623 데이터시트(HTML) 7 Page - NXP Semiconductors |
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7 / 12 page ![]() Philips Semiconductors Product specification 74F620/74F623 Transceivers 1990 Apr 6 7 AC ELECTRICAL CHARACTERISTICS – 74F620 LIMITS SYMBOL PARAMETER TEST CONDITION VCC = +5V Tamb = +25°C CL = 50pF, RL = 500Ω VCC = +5V ± 10% Tamb = 0°C to +70°C CL = 50pF, RL = 500Ω UNIT MIN TYP MAX MIN MAX tPLH tPHL Propagation delay An to Bn Waveform 2 2.5 1.0 4.5 2.5 6.5 4.5 2.0 1.0 7.5 5.0 ns tPLH tPHL Propagation delay Bn to An Waveform 2 2.5 1.0 4.5 2.5 6.5 4.5 2.0 1.0 7.5 5.0 ns tPZH tPZL Output Enable time to High or Low level, OEBA to An Waveform 3 Waveform 4 3.0 4.0 7.5 7.5 10.5 10.5 2.5 3.5 11.5 11.5 ns tPHZ tPLZ Output Disable time to High or Low level, OEBA to An Waveform 3 Waveform 4 2.5 2.0 4.5 4.5 7.5 7.0 2.0 1.5 8.0 7.5 ns tPZH tPZL Output Enable time to High or Low level, OEAB to Bn Waveform 3 Waveform 4 4.5 4.5 7.5 7.5 10.5 10.0 4.0 4.0 11.5 11.0 ns tPHZ tPLZ Output Disable time to High or Low level, OEAB to Bn Waveform 3 Waveform 4 3.0 4.0 6.5 6.5 9.5 9.5 2.5 3.5 10.5 10.5 ns AC ELECTRICAL CHARACTERISTICS – 74F623 LIMITS SYMBOL PARAMETER TEST CONDITION VCC = +5V Tamb = +25°C CL = 50pF, RL = 500Ω VCC = +5V ± 10% Tamb = 0°C to +70°C CL = 50pF, RL = 500Ω UNIT MIN TYP MAX MIN MAX tPLH tPHL Propagation delay An to Bn Waveform 1 2.0 3.0 4.0 5.0 5.5 7.0 2.0 2.5 6.5 7.5 ns tPLH tPHL Propagation delay Bn to An Waveform 1 2.0 2.5 4.0 4.5 5.5 6.5 2.0 2.5 6.5 7.5 ns tPZH tPZL Output Enable time to High or Low level, OEBA to An Waveform 3 Waveform 4 5.0 5.0 8.5 7.5 10.5 9.5 5.0 5.0 12.0 10.0 ns tPHZ tPLZ Output Disable time to High or Low level, OEBA to An Waveform 3 Waveform 4 2.5 2.5 4.5 4.5 6.5 6.5 2.5 2.5 7.5 7.0 ns tPZH tPZL Output Enable time to High or Low level, OEAB to Bn Waveform 3 Waveform 4 5.0 4.5 8.0 7.0 10.0 9.0 5.0 4.5 11.5 9.5 ns tPHZ tPLZ Output Disable time to High or Low level, OEAB to Bn Waveform 3 Waveform 4 3.0 4.0 6.0 7.0 8.5 9.0 3.0 4.0 10.0 10.0 ns |
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