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74LVT543PWDH データシート(PDF) 7 Page - NXP Semiconductors |
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74LVT543PWDH データシート(HTML) 7 Page - NXP Semiconductors |
7 / 12 page Philips Semiconductors Product specification 74LVT543 3.3V Octal latched transceiver with dual enable (3-State) 1998 Feb 19 7 An, Bn LEAB, LEBA, EAB, EBA ts(H) th(H) ts(L) th(L) tw(L) 1.5V 1.5V 1.5V 1.5V 1.5V 1.5V 0V 2.7V 2.7V 0V NOTE: The shaded areas indicate when the input is permitted to change for predictable output performance. SV00114 Waveform 3. Data Setup and Hold Times And Latch Enable Pulse Width OEAB, OEBA, EAB, EBA tPZH tPHZ 0V VOH–0.3V An, Bn 1.5V 1.5V 1.5V 0V 2.7V VOH SV00115 Waveform 4. 3-State Output Enable Time to High Level and Output Disable Time from High Level tPZL tPLZ VOL+0.3V OEAB, OEBA, EAB, EBA An, Bn 1.5V 1.5V 1.5V 2.7V 0V 3.0V VOL SV00116 Waveform 5. 3-State Output Enable Time to Low Level and Output Disable Time from Low Level TEST CIRCUIT AND WAVEFORM VM VM tW AMP (V) NEGATIVE PULSE 10% 10% 90% 90% 0V VM VM tW AMP (V) POSITIVE PULSE 90% 90% 10% 10% 0V tTHL (tF) tTLH (tR)tTHL (tF) tTLH (tR) VM = 1.5V Input Pulse Definition DEFINITIONS RL = Load resistor; see AC CHARACTERISTICS for value. CL = Load capacitance includes jig and probe capacitance; see AC CHARACTERISTICS for value. RT = Termination resistance should be equal to ZOUT of pulse generators. INPUT PULSE REQUIREMENTS FAMILY 74LVT PULSE GENERATOR VIN D.U.T. VOUT CL VCC RL Test Circuit for 3-State Outputs 6.0V RT RL SV00092 Open GND SWITCH POSITION TEST SWITCH tPLH/tPHL tPLZ/tPZL tPHZ/tPZH Open 6V GND Amplitude Rep. Rate tW tR tF 2.7V v10MHz 500ns v2.5ns v2.5ns |
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同様の説明 - 74LVT543PWDH |
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