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74ALVT16543 Datasheet(PDF) 9 Page - NXP Semiconductors |
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74ALVT16543 Datasheet(HTML) 9 Page - NXP Semiconductors |
9 / 14 page ![]() Philips Semiconductors Product specification 74ALVT16543 2.5V/3.3V 16-bit registered transceiver (3-State) 1998 Feb 13 9 AC CHARACTERISTICS (2.5V "0.2V RANGE) GND = 0V; tR = tF = 2.5ns; CL = 50pF; RL = 500Ω; Tamb = –40°C to +85°C. LIMITS SYMBOL PARAMETER WAVEFORM VCC = 2.5V "0.2V UNIT MIN TYP1 MAX tPLH tPHL Propagation delay nAx to nBx or nBx to nAx 2 1.0 1.0 1.8 2.7 5.1 4.5 ns tPLH tPHL Propagation delay nLEBA to nAx, nLEAB to nBx 1 2 1.5 1.5 3.9 3.6 6.4 5.9 ns tPZH tPZL Output enable time nOEBA to nAx, nOEAB to nBx 4 5 1.5 1.5 4.0 2.7 6.5 4.6 ns tPHZ tPLZ Output disable time nOEBA to nAx, nOEAB to nBx 4 5 1.5 1.5 3.7 2.6 5.6 4.0 ns tPZH tPZL Output enable time nEBA to nAx, nEAB to nBx 4 5 1.5 1.5 4.2 2.8 7.0 5.0 ns tPHZ tPLZ Output disable time nEBA to nAx, nEAB to nBx 4 5 1.5 1.5 3.6 2.4 5.6 3.9 ns NOTE: 1. All typical values are at VCC = 2.5V and Tamb = 25°C. AC SETUP REQUIREMENTS (2.5V "0.2V RANGE) GND = 0V; tR = tF = 2.5ns; CL = 50pF; RL = 500Ω; Tamb = –40°C to +85°C. LIMITS SYMBOL PARAMETER WAVEFORM VCC = 2.5V ±0.2V UNIT MIN TYP ts(H) ts(L) Setup time nAx to nLEAB, nBx to nLEBA 3 0 1.0 –0.9 0.2 ns th(H) th(L) Hold time nAx to nLEAB, nBx to nLEBA 3 0.8 1.7 –0.2 1.0 ns ts(H) ts(L) Setup time nAx to nEAB, nBx to nEBA 3 0 1.5 –1.0 0.4 ns th(H) th(L) Hold time nAx to nEAB, nBx to nEBA 3 0.5 2.0 –0.2 1.3 ns tW(L) Latch enable pulse width, Low 3 1.5 ns AC WAVEFORMS For all waveforms VM = 1.5V or VCC / 2, whichever is less. VM VM VIN VM tPHL tPLH VM VOUT 0V VOH VOL SW00185 3.0V or VCC whichever is less Waveform 1. Propagation Delay For Inverting Output VM VM VM tPLH tPHL VM VIN VOUT 0V VOH VOL SW00186 3.0V or VCC whichever is less Waveform 2. Propagation Delay For Non-Inverting Output |
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