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74ACT11543 데이터시트(PDF) 3 Page - Texas Instruments |
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74ACT11543 데이터시트(HTML) 3 Page - Texas Instruments |
3 / 7 page 74ACT11543 OCTAL REGISTERED TRANSCEIVER WITH 3-STATE OUTPUTS SCAS136 – D3608, JULY 1990 – REVISED APRIL 1993 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 2–3 electrical characteristics over recommended operating free-air temperature range PARAMETER TEST CONDITIONS VCC TA = 25°C MIN MAX UNIT PARAMETER TEST CONDITIONS VCC MIN TYP MAX MIN MAX UNIT IOH =50 mA 4.5 V 4.4 4.4 IOH = – 50 mA 5.5 V 5.4 5.4 VOH IOH =24 mA 4.5 V 3.94 3.8 V IOH = – 24 mA 5.5 V 4.94 4.8 IOH = – 75 mA† 5.5 V 3.85 IOL =50 mA 4.5 V 0.1 0.1 IOL = 50 mA 5.5 V 0.1 0.1 VOL IOL =24mA 4.5 V 0.36 0.44 V IOL = 24 mA 5.5 V 0.36 0.44 IOL = 75 mA† 5.5 V 1.65 II Control inputs VI = VCC or GND 5.5 V ± 0.1 ± 1 mA IOZ A or B ports‡ VO = VCC or GND 5.5 V ± 0.5 ± 5 mA ICC VI = VCC or GND, IO = 0 5.5 V 8 80 mA DICC§ One input at 3.4 V, Other inputs at GND or VCC 5.5 V 0.9 1 mA Ci Control inputs VI = VCC or GND 5 V 4.5 pF Cio A or B ports VO = VCC or GND 5 V 12 pF † Not more than one output should be tested at a time, and the duration of the test should not exceed 10 ms. ‡ For I/O ports, the parameter IOZ includes the input leakage current. § This is the increase in supply current for each input that is at one of the specified TTL voltage levels rather than 0 V or VCC. timing requirements over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see Figure 1) TA = 25°C MIN MAX UNIT MIN MAX MIN MAX UNIT tw Pulse duration, LEAB or LEBA low 4 4 ns t Setup time Data after LEAB or LEBA ↑ 2.5 2.5 ns tsu Setup time Data before CEAB or CEBA ↑ 3 3 ns th Hold time Data after LEAB or LEBA ↑ 2 2 ns th Hold time Data after CEAB or CEBA ↑ 1.5 1.5 ns |
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