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74ABT646AD Fiches technique(PDF) 7 Page - NXP Semiconductors |
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74ABT646AD Fiches technique(HTML) 7 Page - NXP Semiconductors |
7 / 14 page Philips Semiconductors Product specification 74ABT646A Octal bus transceiver/register (3-State) 1998 Feb 17 7 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 fMAX Maximum clock frequency 1 125 350 125 MHz tPLH tPHL Propagation delay CPAB to Bn or CPBA to An 1 2.2 1.7 3.9 4.4 5.1 5.21 2.2 1.7 5.6 5.6 ns tPLH tPHL Propagation delay An to Bn or Bn to An 2 1.5 1.5 3.2 3.7 4.3 4.6 1.5 1.5 4.8 5.4 ns tPLH tPHL Propagation delay SAB to Bn or SBA to An 2 3 1.5 1.5 3.8 4.4 5.1 5.31 1.5 1.5 6.5 5.9 ns tPZH tPZL Output enable time OE to An or Bn 5 6 1.5 3.0 3.5 4.5 5.3 7.4 1.5 3.0 6.3 8.8 ns tPHZ1 tPLZ Output disable time OE to An or Bn 5 6 1.5 1.5 4.0 3.3 4.81 4.0 1.5 1.5 5.31 4.5 ns tPZH tPZL Output enable time DIR to An or Bn 5 6 1.5 2.5 3.9 4.7 5.7 9.0 1.2 2.5 6.7 9.5 ns tPHZ tPLZ Output disable time DIR to An or Bn 5 6 1.5 1.5 4.0 3.5 5.0 4.7 1.5 1.5 5.7 6.0 ns 1. This data sheet limit may vary among suppliers. 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 CPAB, Bn to CPBA 4 3.0 3.0 0.7 0.7 3.0 3.0 ns th(H) th(L) Hold time An to CPAB, Bn to CPBA 4 0.0 0.0 –0.5 –0.5 0.0 0.0 ns tw(H) tw(L) Pulse width, High or Low CPAB or CPBA 1 4.0 4.0 0.9 1.4 4.0 4.0 ns |
Numéro de pièce similaire - 74ABT646AD |
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Description similaire - 74ABT646AD |
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