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74ACT244SC датащи(PDF) 5 Page - ON Semiconductor |
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74ACT244SC датащи(HTML) 5 Page - ON Semiconductor |
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5 / 11 page ![]() 74AC244, 74ACT244 www.onsemi.com 5 AC ELECTRICAL CHARACTERISTICS FOR AC VCC (V) (Note 6) TA = +25°C, CL = 50 pF TA = −55°C to +125°C CL = 50 pF TA = −40°C to +85°C CL = 50 pF Symbol Parameter Min Typ Max Min Max Min Max Unit tPLH Propagation Delay, Data to Output 3.3 2.0 6.5 9.0 1.0 12.5 1.5 10.0 ns 5.0 1.5 5.0 7.0 1.0 9.5 1.0 7.5 tPHL Propagation Delay, Data to Output 3.3 2.0 6.5 9.0 1.0 12.0 2.0 10.0 ns 5.0 1.5 5.0 7.0 1.0 9.0 1.0 7.5 tPZH Output Enable Time 3.3 2.0 6.0 10.5 1.0 11.5 1.5 11.0 ns 5.0 1.5 5.0 7.0 1.0 9.0 1.5 8.0 tPZL Output Enable Time 3.3 2.5 7.5 10.0 1.0 13.0 2.0 11.0 ns 5.0 1.5 5.5 8.0 1.0 10.5 1.5 8.5 tPHZ Output Disable Time 3.3 3.0 7.0 10.0 1.0 12.5 1.5 10.5 ns 5.0 2.5 6.5 9.0 1.0 10.5 1.0 9.5 tPLZ Output Disable Time 3.3 2.5 7.5 10.5 1.0 13.0 2.5 11.5 ns 5.0 2.0 6.5 9.0 1.0 11.0 2.0 9.5 6. Voltage range 3.3 is 3.3 V ± 0.3 V. Voltage range 5.0 is 5.0 V ± 0.5 V. AC ELECTRICAL CHARACTERISTICS FOR ACT VCC (V) (Note 7) TA = +25°C, CL = 50 pF TA = −55°C to +125°C CL = 50 pF TA = −40°C to +85°C CL = 50 pF Symbol Parameter Min Typ Max Min Max Min Max Unit tPLH Propagation Delay, Data to Output 5.0 2.0 6.5 9.0 1.0 10.0 1.5 10.0 ns tPHL Propagation Delay, Data to Output 5.0 2.0 7.0 9.0 1.0 10.0 1.5 10.0 ns tPZH Output Enable Time 5.0 1.5 6.0 8.5 1.0 9.5 1.0 9.5 ns tPZL Output Enable Time 5.0 2.0 7.0 9.5 1.0 11.0 1.5 10.5 ns tPHZ Output Disable Time 5.0 2.0 7.0 9.5 1.0 11.0 1.5 10.5 ns tPLZ Output Disable Time 5.0 2.5 7.5 10.0 1.0 11.5 2.0 10.5 ns 7. Voltage range 5.0 is 5.0 V ± 0.5 V. CAPACITANCE Symbol Parameter Conditions Typ Unit CIN Input Capacitance VCC = OPEN 4.5 pF CPD Power Dissipation Capacitance VCC = 5.0 V 45.0 pF |
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