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74ALS574ADB 数据表(PDF) 7 Page - NXP Semiconductors |
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74ALS574ADB 数据表(HTML) 7 Page - NXP Semiconductors |
7 / 13 page Philips Semiconductors Product specification 74ALS573B/74ALS574A Latch/flip-flop 1991 Feb 08 7 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 Dn to Qn Waveform 3 2.0 2.0 10.0 10.0 ns tPLH tPHL Propagation delay E to Qn 74ALS573B Waveform 2 4.0 4.0 12.0 12.0 ns tPZH tPZL Output enable time to High or Low level 74ALS573B Waveform 6 Waveform 7 2.0 4.0 9.0 11.0 ns tPHZ tPLZ Output disable time from High or Low level Waveform 6 Waveform 7 1.0 2.0 9.0 11.0 ns fMAX Maximum clock frequency Waveform 1 45 MHz tPLH tPHL Propagation delay CP to Qn Waveform 1 3.0 4.0 12.0 12.0 ns tPZH tPZL Output enable time to High or Low level 74ALS574A Waveform 6 Waveform 7 2.0 4.0 9.0 11.0 ns tPHZ tPLZ Output disable time from High or Low level Waveform 6 Waveform 7 1.0 2.0 9.0 11.0 ns AC SETUP CHARACTERISTICS LIMITS SYMBOL PARAMETER TEST CONDITION Tamb = 0°C to +70°C VCC = +5.0V ± 10% CL = 50pF, RL = 500Ω UNIT MIN MAX tsu(H) tsu(L) Setup time, High or Low Dn to E Waveform 4 6.0 6.0 ns th(H) th(L) Hold time, High or Low Dn to E 74ALS573B Waveform 4 6.0 6.0 ns tw(H) E Pulse width, High Waveform 1 10.0 ns tsu(H) tsu(L) Setup time, High or Low Dn to CP Waveform 5 6.0 6.0 ns th(H) th(L) Hold time, High or Low Dn to CP 74ALS574A Waveform 5 1.0 1.0 ns tw(H) tw(L) CP Pulse width, High or Low Waveform 5 8.0 12.0 ns |
类似零件编号 - 74ALS574ADB |
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类似说明 - 74ALS574ADB |
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