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SN74LS541N датащи(PDF) 3 Page - ON Semiconductor |
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SN74LS541N датащи(HTML) 3 Page - ON Semiconductor |
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3 / 6 page ![]() SN74LS541 http://onsemi.com 3 AC CHARACTERISTICS (TA = 25°C) Symbol Parameter Limits Unit Test Conditions Min Typ Max tPLH Propagation Delay, Data to Output 12 15 ns VCC = 5.0 V CL = 45 pF RL = 667 Ω tPHL 12 18 tPZH Output Enable Time to HIGH Level 15 32 ns tPZL Output Enable Time to LOW Level 20 38 ns tPHZ Output Disable Time to HIGH Level 10 18 ns CL = 5.0 pF tPLZ Output Disable Time to LOW Level 15 29 ns AC WAVEFORMS 1.5 V 1.5 V 1.5 V 1.3 V 1.3 V 1.3 V 1.3 V VIN VOUT tPLH tPHL 1.3 V 1.3 V VIN VOUT SW2 CL* 5 kΩ SW1 VCC RL TO OUTPUT UNDER TEST 1.3 V tPLH tPHL VE VE VOUT VE VE VOUT tPHZ 1.5 V 1.5 V tPZL tPLZ VOL 1.5 V ≥ VOH 0.5 V tPZH 1.3 V Figure 1. Figure 2. Figure 3. Figure 4. Figure 5. ≈ 1.5 V 0.5 V ≈ 1.5 V SWITCH POSITIONS Closed Open Closed Closed Open Closed Closed Closed tPZH tPZL tPLZ tPHZ SW2 SW1 SYMBOL |
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