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74ACT11257DWRG4 데이터시트(PDF) 4 Page - Texas Instruments |
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74ACT11257DWRG4 데이터시트(HTML) 4 Page - Texas Instruments |
4 / 13 page 74ACT11257 QUADRUPLE 2-LINE TO 1-LINE DATA SELECTOR/MULTIPLEXER WITH 3-STATE OUTPUTS SCAS053B – JANUARY 1989 – REVISED APRIL 1996 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETERS TEST CONDITIONS VCC TA = 25°C MIN MAX UNIT PARAMETERS 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 OH 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 OL IOL = 24 mA 5.5 V 0.36 0.44 IOL = 75 mA{ 5.5 V 1.65 IOZ VO = VCC or GND 5.5 V ±0.5 ±5 mA II VI = VCC or GND 5.5 V ±0.1 ±1 mA ICC VI = VCC or GND, IO = 0 5.5 V 8 80 mA DICC‡ One input at 3.4 V, Other inputs at VCC or GND 5.5 V 0.9 1 mA Ci VI = VCC or GND 5 V 3.5 pF Co VO = VCC or GND 5 V 8 pF † Not more than one output should be tested at a time, and the duration of the test should not exceed 10 ms. ‡ This is the increase in supply current for each input that is at one of the specified TTL voltage levels rather than 0 V to VCC. switching characteristics over recomended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see Figure 1) PARAMETER FROM TO TA = 25°C MIN MAX UNIT PARAMETER (INPUT) (OUTPUT) MIN TYP MAX MIN MAX UNIT tPLH AorB Y 1.5 4.4 6.4 1.5 6.9 ns tPHL A or B Y 1.5 5 8 1.5 8.7 ns tPLH A /B Any Y 1.5 4.7 7.6 1.5 8.2 ns tPHL A/B Any Y 1.5 5.7 8.5 1.5 9.4 ns tPZH OE Any Y 1.5 4.2 6.9 1.5 7.3 ns tPZL OE Any Y 1.5 5.5 8.7 1.5 9.6 ns tPHZ OE Any Y 1.5 5.7 7.6 1.5 8.4 ns tPLZ OE Any Y 1.5 6 7.9 1.5 8.5 ns operating characteristics, VCC = 5 V, TA = 25°C PARAMETER TEST CONDITIONS TYP UNIT C d Power dissipation capacitance Outputs enabled CL =50 pF f=1MHz 41 pF Cpd Power dissipation capacitance Outputs disabled CL = 50 pF, f = 1 MHz 13 pF |
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