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74VCX162245 Datasheet(PDF) 5 Page - Fairchild Semiconductor |
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74VCX162245 Datasheet(HTML) 5 Page - Fairchild Semiconductor |
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5 www.fairchildsemi.com AC Electrical Characteristics (Note 6) Note 6: For CL 50pF, add approximately 300ps to the AC maximum specification. Note 7: Skew is defined as the absolute value of the difference between the actual propagation delay for any two separate outputs of the same device. The specification applies to any outputs switching in the same direction, either HIGH-to-LOW (tOSHL) or LOW-to-HIGH (tOSLH). Symbol Parameter Conditions VCC TA 40qC to 85qC Units Figure (V) Min Max Number tPHL, Propagation Delay CL 30 pF, RL 500: 3.3 r 0.3 0.8 3.4 ns Figures 1, 2 tPLH B to A 2.5 r 0.2 1.0 4.3 1.8 r 0.15 1.5 8.6 CL 15 pF, RL 2k: 1.5 r 0.1 1.0 17.2 Figures 5, 6 tPZL, Output Enable Time CL 30 pF, RL 500: 3.3 r 0.3 0.8 4.2 ns Figures 1, 3, 4 tPZH B to A 2.5 r 0.2 1.0 5.7 1.8 r 0.15 1.5 9.8 CL 15 pF, RL 2k: 1.5 r 0.1 1.0 19.6 Figures 5, 7, 8 tPLZ, Output Disable Time CL 30 pF, RL 500: 3.3 r 0.3 0.8 4.1 ns Figures 1, 3, 4 tPHZ B to A 2.5 r 0.2 1.0 4.8 1.8 r 0.15 1.5 8.6 CL 15 pF, RL 2k: 1.5 r 0.1 1.0 17.2 Figures 5, 7, 8 tPHL, Propagation Delay CL 30 pF, RL 500: 3.3 r 0.3 0.8 2.5 ns Figures 1, 2 tPLH A to B 2.5 r 0.2 1.0 3.0 1.8 r 0.15 1.5 6.0 CL 15 pF, RL 2k: 1.5 r 0.1 1.0 12.0 Figures 5, 6 tPZL, Output Enable Time CL 30 pF, RL 500: 3.3 r 0.3 0.8 3.5 ns Figures 1, 3, 4 tPZH A to B 2.5 r 0.2 1.0 4.1 1.8 r 0.15 1.5 8.2 CL 15 pF, RL 2k: 1.5 r 0.1 1.0 16.4 Figures 5, 7, 8 tPLZ, Output Disable Time CL 30 pF, RL 500: 3.3 r 0.3 0.8 3.5 ns Figures 1, 3, 4 tPHZ A to B 2.5 r 0.2 1.0 3.8 1.8 r 0.15 1.5 6.8 CL 15 pF, RL 2k: 1.5 r 0.1 1.0 13.6 Figures 5, 7, 8 tOSHL, Output-to-Output Skew CL 30 pF, RL 500: 3.3 r 0.3 0.5 ns tOSLH (Note 7) 2.5 r 0.2 0.5 1.8 r 0.15 0.75 CL 15 pF, RL 2k: 1.5 r 0.1 1.5 |
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