công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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DM74LS73A bảng dữ liệu(PDF) 3 Page - Fairchild Semiconductor |
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DM74LS73A bảng dữ liệu(HTML) 3 Page - Fairchild Semiconductor |
3 / 5 page 3 www.fairchildsemi.com Electrical Characteristics over recommended operating free air temperature range (unless otherwise noted) Note 5: All typicals are at VCC = 5V, TA = 25°C. Note 6: Not more than one output should be shorted at a time, and the duration should not exceed one second. For devices, with feedback from the outputs, where shorting the outputs to ground may cause the outputs to change logic state, an equivalent test may be performed where VO = 2.125V with the mini- mum and maximum limits reduced by one half from their stated values. This is very useful when using automatic test equipment. Note 7: With all outputs OPEN, ICC is measured with the Q and Q outputs HIGH in turn. At the time of measurement, the clock is grounded. Switching Characteristics at VCC = 5V and TA = 25°C Symbol Parameter Conditions Min Typ Max Units (Note 5) VI Input Clamp Voltage VCC = Min, II = −18 mA −1.5 V VOH HIGH Level VCC = Min, IOH = Max 2.7 3.4 V Output Voltage VIL = Max, VIH = Min VOL LOW Level VCC = Min, IOL = Max 0.35 0.5 Output Voltage VIL = Max, VIH = Min V IOL = 4 mA, VCC = Min 0.25 0.4 II Input Current @ Max VCC = Max J, K 0.1 Input Voltage VI = 7V Clear 0.3 mA Clock 0.4 IIH HIGH Level VCC = Max J, K 20 Input Current VI = 2.7V Clear 60 µA Clock 80 IIL LOW Level VCC = Max J, K −0.4 Input Current VI = 0.4V Clear −0.8 mA Clock −0.8 IOS Short Circuit Output Current VCC = Max (Note 6) −20 −100 mA ICC Supply Current VCC = Max (Note 7) 4 6 mA From (Input) RL = 2 kΩ Symbol Parameter To (Output) CL = 15 pF CL = 50 pF Units Min Max Min Max fMAX Maximum Clock Frequency 30 25 MHz tPHL Propagation Delay Time Clear 20 28 ns HIGH-to-LOW Level Output to Q tPLH Propagation Delay Time Clear 20 24 ns LOW-to-HIGH Level Output to Q tPLH Propagation Delay Time Clock to 20 24 ns LOW-to-HIGH Level Output Q or Q tPHL Propagation Delay Time Clock to 20 28 ns HIGH-to-LOW Level Output Q or Q |
Số phần tương tự - DM74LS73A |
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Mô tả tương tự - DM74LS73A |
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