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74F760 Datasheet(PDF) 7 Page - NXP Semiconductors |
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74F760 Datasheet(HTML) 7 Page - NXP Semiconductors |
7 / 12 page Philips Semiconductors Product specification 74F756/74F757/74F760 Buffers 1989 Nov 27 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 74F756 Waveform 1, 2 8.5 1.0 11.0 3.0 14.0 6.0 8.5 1.0 15.0 6.5 ns tPLH tPHL Propagation delay OEn to Yn 74F756 Waveform 1, 2 9.0 5.0 11.5 7.0 14.5 10.0 9.0 4.5 15.0 10.5 ns tPLH tPHL Propagation delay Ian, Ibn to Yn 74F757 Waveform 1, 2 7.5 3.0 10.5 5.5 13.5 8.5 7.5 3.0 14.0 9.0 ns tPLH tPHL Propagation delay OEa or OEb to Yn 74F757 Waveform 1, 2 9.0 4.5 10.5 7.0 15.0 10.0 8.5 4.0 16.0 10.5 ns tPLH tPHL Propagation delay Ian, Ibn to Yn 74F760 Waveform 1, 2 7.5 3.5 10.0 5.5 13.5 8.5 7.5 3.0 14.0 9.0 ns tPLH tPHL Propagation delay OEn to Yn 74F760 Waveform 1, 2 9.5 5.0 11.5 7.0 14.5 10.5 9.0 4.5 15.0 10.5 ns AC WAVEFORMS For all waveforms, VM = 1.5V. Ian, Ibn, OEn VM VM VM VM tPLH tPHL Yn SF01256 Waveform 1. Propagation Delay for Inverting Outputs Ian, Ibn, OEa, OEb VM VM VM VM tPHL tPLH Yn SF01257 Waveform 2. Propagation Delay for Non-invertIng Outputs TYPICAL PROPAGATION DELAYS VERSUS LOAD FOR OPEN COLLECTOR OUTPUTS 0 100 200 300 400 500 600 18 16 14 12 10 8 6 4 2 0 LOAD RESISTOR ( W) PROPAGATION DELAY (ns) tPLH tPHL SF01258 NOTE: When using open-collector parts, the value of the pull-up resistor greatly affects the value of the tPLH. For example, changing the pull-up resistor value from 500 W to 100W will improve the tPLH up to 50% with only slight increase in the tPHL. However, if the pull-up resistor is changed, the user must make certain that the total IOL current through the resistor and the total IIL’s of the receivers do not exceed the IOL maximum specification. |
Número de pieza similar - 74F760 |
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Descripción similar - 74F760 |
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