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74ABT543AN Scheda tecnica(PDF) 6 Page - NXP Semiconductors |
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74ABT543AN Scheda tecnica(HTML) 6 Page - NXP Semiconductors |
6 / 12 page Philips Semiconductors Product specification 74ABT543A Octal latched transceiver with dual enable (3-State) 1998 Sep 24 6 AC CHARACTERISTICS GND = 0V, tR = tF = 2.5ns, CL = 50pF, RL = 500Ω LIMITS SYMBOL PARAMETER WAVEFORM Tamb = +25oC VCC = +5.0V Tamb = -40 to +85oC VCC = +5.0V ±0.5V UNIT Min Typ Max Min Max tPLH tPHL Propagation delay An to Bn, Bn to An 2 1.0 1.9 2.9 3.6 4.5 5.2 1.0 1.9 5.2 5.7 ns tPLH tPHL Propagation delay LEBA to An, LEAB to Bn 1 2 1.0 2.1 3.4 4.3 5.1 6.0 1.0 2.1 6.2 6.7 ns tPZH tPZL Output enable time OEBA to An, OEAB to Bn 4 5 1.0 2.0 3.2 4.3 5.1 5.9 1.0 2.0 6.2 6.6 ns tPHZ tPLZ Output disable time OEBA to An, OEAB to Bn 4 5 2.0 1.0 4.0 3.0 5.7 4.6 2.0 1.0 6.2 5.0 ns tPZH tPZL Output enable time EBA to An, EAB to Bn 4 5 1.0 2.0 3.4 4.4 5.1 6.1 1.0 2.0 6.2 6.8 ns tPHZ tPLZ Output disable time EBA to An, EAB to Bn 4 5 2.0 1.0 3.6 3.0 5.4 4.6 2.0 1.0 5.9 5.0 ns AC SETUP REQUIREMENTS GND = 0V, tR = tF = 2.5ns, CL = 50pF, RL = 500Ω LIMITS SYMBOL PARAMETER WAVEFORM Tamb = +25oC VCC = +5.0V Tamb = -40 to +85oC VCC = +5.0V ±0.5V UNIT Min Typ Min ts(H) ts(L) Setup time An to LEAB, Bn to LEBA 3 2.5 3.0 1.0 1.4 2.5 3.0 ns th(H) th(L) Hold time An to LEAB, Bn to LEBA 3 0.5 0.5 –0.8 –0.6 0.5 0.5 ns ts(H) ts(L) Setup time An to EAB, Bn to EBA 3 3.5 3.0 1.3 1.4 3.5 3.0 ns th(H) th(L) Hold time An to EAB, Bn to EBA 3 0.5 0.5 –0.8 –0.6 0.5 0.5 ns tw(L) Latch enable pulse width, Low 3 3.5 1.0 3.5 ns AC WAVEFORMS VM = 1.5V, VIN = GND to 3.0V VM tPHL tPLH VM VM VM VIN VOUT SA00172 Waveform 1. Propagation Delay For Inverting Output VM tPLH tPHL VM VM VM VIN VOUT SA00173 Waveform 2. Propagation Delay For Non-Inverting Output |
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