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74F125 Datasheet(PDF) 5 Page - NXP Semiconductors |
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74F125 Datasheet(HTML) 5 Page - NXP Semiconductors |
5 / 10 page ![]() Philips Semiconductors Product specification 74F125, 74F126 Quad buffers (3-State) March 28, 1989 5 AC ELECTRICAL CHARACTERISTICS LIMITS TEST VCC = +5.0V VCC = +5.0V ± 10% SYMBOL PARAMETER TEST CONDITION Tamb = +25°C Tamb = 0°C to +70°C UNIT CONDITION CL = 50pF, RL = 500Ω CL = 50pF, RL = 500Ω MIN TYP MAX MIN MAX tPLH tPHL Propagation delay Dn to Qn Waveform 1 2.0 3.0 4.0 5.5 6.0 7.5 2.0 3.0 6.5 8.0 ns tPZH tPZL Output Enable time to High or Low level 74F125 Waveform 2 Waveform 3 3.5 4.0 5.5 6.0 7.5 8.0 3.5 4.0 8.5 9.0 ns tPHZ tPLZ Output Disable time from High or Low level Waveform 2 Waveform 3 1.5 1.5 3.5 3.5 5.0 5.5 1.5 1.5 6.0 6.0 ns tPLH tPHL Propagation delay Dn to Qn Waveform 1 2.0 3.0 4.0 5.5 6.5 8.0 2.0 3.0 7.0 8.5 ns tPZH tPZL Output Enable time to High or Low level 74F126 Waveform 2 Waveform 3 4.0 4.0 6.0 6.0 7.5 8.0 3.5 3.5 8.5 8.5 ns tPHZ tPLZ Output Disable time from High or Low level Waveform 2 Waveform 3 2.0 3.0 4.5 5.5 6.5 7.5 2.0 3.0 7.5 8.0 ns AC WAVEFORMS For all waveforms, VM = 1.5V. VM VM VM VM Qn Dn tPLH tPHL SF00125 Waveform 1. Propagation Delay for Input to Output VOH–0.3V VM VM VM Qn OEn tPZH tPHZ SF00126 OEn 0V Waveform 2. 3-State Output Enable Time to High Level and Output Disable Time from High Level VOL+0.3V VM VM VM Qn OEn tPZL tPLZ SF00127 OEn Waveform 3. 3-State Output Enable Time to Low Level and Output Disable Time from Low Level |