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74F241 Datasheet(PDF) 7 Page - NXP Semiconductors |
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74F241 Datasheet(HTML) 7 Page - NXP Semiconductors |
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7 / 12 page ![]() Philips Semiconductors Product specification 74F240/74F240A/ 74F241/74F241A Buffers January 2, 1991 7 AC ELECTRICAL CHARACTERISTICS LIMITS Tamb = +25°C Tamb = 0°C to +70°C SYMBOL PARAMETER TEST VCC = +5.0V VCC = +5.0V ± 10% UNIT CONDITION CL = 50pF, RL = 500Ω CL = 50pF, RL = 500Ω MIN TYP MAX MIN MAX tPLH tPHL Propagation delay Ian, Ibn to Yn Waveform 1 3.0 2.0 4.5 3.0 6.5 4.5 3.0 2.0 7.5 5.0 ns tPZH tPZL Output enable time to high or low level 74F240 Waveform 3 Waveform 4 3.0 4.5 5.0 6.5 7.5 8.5 3.0 4.0 9.0 10.0 ns tPHZ tPLZ Output disable time from high or low level Waveform 3 Waveform 4 3.0 3.0 5.5 5.0 7.0 7.0 3.0 3.0 7.5 7.5 ns tPLH tPHL Propagation delay Ian, Ibn to Yn Waveform 1 2.5 2.0 4.0 3.5 5.5 5.5 2.0 2.0 6.5 6.0 ns tPZH tPZL Output enable time to high or low level 74F240A Waveform 3 Waveform 4 2.0 3.5 4.0 5.0 6.5 7.5 2.0 3.0 7.0 8.5 ns tPHZ tPLZ Output disable time from high or low level Waveform 3 Waveform 4 2.0 1.5 3.5 2.5 6.0 5.0 1.5 1.0 6.5 5.5 ns tsk(0) Output skew1, 2 Waveform 5 1.5 2.0 ns tPLH tPHL Propagation delay Ian, Ibn to Yn Waveform 2 2.5 2.5 4.0 4.0 5.2 5.2 2.5 2.5 6.2 6.5 ns tPZH tPZL Output enable time to high or low level 74F241 Waveform 3 Waveform 4 2.0 2.0 4.0 5.0 5.7 7.0 2.0 2.0 6.7 8.0 ns tPHZ tPLZ Output disable time from high or low level Waveform 3 Waveform 4 2.0 2.0 4.0 4.0 6.0 6.0 2.0 2.0 7.0 7.0 ns tPLH tPHL Propagation delay Ian, Ibn to Yn Waveform 2 2.5 2.5 4.5 4.5 5.8 5.8 2.5 2.5 6.5 6.5 ns tPZH tPZL Output enable time to high or low level 74F241A Waveform 3 Waveform 4 2.5 3.5 4.5 5.0 6.0 7.0 2.0 3.0 6.7 8.0 ns tPHZ tPLZ Output disable time from high or low level Waveform 3 Waveform 4 2.0 1.5 4.0 3.5 6.0 5.5 1.5 1.0 6.5 6.0 ns tsk(0) Output skew1, 2 Waveform 5 1.5 2.0 ns Notes to AC electrical characteristics 1. | tPN actual – tPM actual| for any output compared to any other output where N and M are either LH or HL. 2. Skew times are valid only under same test conditions (temperature, VCC, loading, etc.,). AC WAVEFORMS Ian, Ibn VM VM VM VM tPLH tPHL Yn SF00328 Waveform 1. Propagation delay for inverting outputs Ian, Ibn VM VM VM VM tPHL tPLH Yn SF00329 Waveform 2. Propagation delay for non–invertIng outputs |
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