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74F1808 Datasheet(PDF) 5 Page - NXP Semiconductors |
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74F1808 Datasheet(HTML) 5 Page - NXP Semiconductors |
5 / 8 page Philips Semiconductors Product specification 74F808/74F1808 Hex 2-input AND drivers January 2, 1991 5 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 Dna, Dnb to Qn Waveform 1 2.0 2.0 4.5 3.5 6.3 6.0 2.0 1.5 6.8 6.5 ns tsk(o) Output skew1,2 Waveform 2 2.5 3.0 ns NOTES: 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 VM VM VM VM Qn Dna, Dnb tPLH tPHL SF00054 Waveform 1. Propagation delay for inverting outputs VM VM Qn tsk(0) Qn SF00481 Waveform 2. Output skew NOTE: For all waveforms, VM = 1.5V. TEST CIRCUIT AND WAVEFORMS tw 90% VM 10% 90% VM 10% 90% VM 10% 90% VM 10% NEGATIVE PULSE POSITIVE PULSE tw AMP (V) 0V 0V tTHL (tf ) INPUT PULSE REQUIREMENTS rep. rate tw tTLH tTHL 1MHz 500ns 2.5ns 2.5ns Input Pulse Definition VCC family 74F D.U.T. PULSE GENERATOR RL CL RT VIN VOUT Test Circuit for Totem-Pole Outputs DEFINITIONS: RL = Load resistor; see AC ELECTRICAL CHARACTERISTICS for value. CL = Load capacitance includes jig and probe capacitance; see AC ELECTRICAL CHARACTERISTICS for value. RT = Termination resistance should be equal to ZOUT of pulse generators. tTHL (tf ) tTLH (tr ) tTLH (tr ) AMP (V) amplitude 3.0V 1.5V VM SF00006 |
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