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SL74LS138N 数据表(PDF) 3 Page - System Logic Semiconductor |
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SL74LS138N 数据表(HTML) 3 Page - System Logic Semiconductor |
3 / 3 page SL74LS138 System Logic Semiconductor SLS AC ELECTRICAL CHARACTERISTICS (T A=25 °C, V CC = 5.0 V, CL = 15 pF, RL = 2 k Ω, t r =15 ns, tf = 6.0 ns) Symbol Parameter Level Min Max Unit tPLH Maximum Propagation Delay, Input A to Output Y 2 20 ns tPHL Maximum Propagation Delay, Input A to Output Y 41 ns tPLH Maximum Propagation Delay, Input A to Output Y 3 27 ns tPHL Maximum Propagation Delay, Input A to Output Y 39 ns tPLH Maximum Propagation Delay , CS1 to Output Y 3 26 ns tPHL Maximum Propagation Delay , CS1 to Output Y 38 ns tPLH Maximum Output Transition Time , CS2 or CS3 to Output Y 2 18 ns tPHL Maximum Output Transition Time , CS2 or CS3 to Output Y 32 ns Figure 1. Switching Waveforms Figure 2. Switching Waveforms NOTES A. CL includes probe and jig capacitance. B. All diodes are 1N916 or 1N3064. Figure 3. Switching Waveforms Figure 4. Test Circuit |
类似零件编号 - SL74LS138N |
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类似说明 - SL74LS138N |
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