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CD74HCT573M 데이터시트(PDF) 3 Page - Texas Instruments |
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CD74HCT573M 데이터시트(HTML) 3 Page - Texas Instruments |
3 / 16 page CD54HCT573, CD74HCT573 OCTAL TRANSPARENT DTYPE LATCHES WITH 3STATE OUTPUTS SCLS455C − FEBRUARY 2001 − REVISED MAY 2004 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 recommended operating conditions (see Note 3) TA = 25°C TA = −55°C TO 125 °C TA = −40°C TO 85 °C UNIT MIN MAX MIN MAX MIN MAX UNIT VCC Supply voltage 4.5 5.5 4.5 5.5 4.5 5.5 V VIH High-level input voltage 2 2 2 V VIL Low-level input voltage 0.8 0.8 0.8 V VI Input voltage VCC VCC VCC V VO Output voltage VCC VCC VCC V ∆t/∆v Input transition rise or fall rate 500 500 500 ns NOTE 3: All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report, Implications of Slow or Floating CMOS Inputs, literature number SCBA004. electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS VCC TA = 25°C TA = −55°C TO 125 °C TA = −40°C TO 85 °C UNIT PARAMETER TEST CONDITIONS VCC MIN MAX MIN MAX MIN MAX UNIT VOH VI = VIH or VIL IOH = −20 µA 4.5 V 4.4 4.4 4.4 V VOH VI = VIH or VIL IOH = −6 mA 4.5 V 3.98 3.7 3.84 V VOL VI = VIH or VIL IOL = 20 µA 4.5 V 0.1 0.1 0.1 V VOL VI = VIH or VIL IOL = 6 mA 4.5 V 0.26 0.4 0.33 V II VI = VCC or 0 5.5 V ±0.1 ±1 ±1 µA IOZ VO = VCC or 0 5.5 V ±0.5 ±10 ±5 µA ICC VI = VCC or 0, IO = 0 5.5 V 8 160 80 µA ∆ICC† One input at VCC − 2.1 V, Other inputs at 0 or VCC 4.5 V to 5.5 V 360 490 450 µA Ci 10 10 10 pF Co 20 20 20 pF † Additional quiescent supply current per input pin, TTL inputs high, 1 unit load. For dual-supply systems, theoretical worst-case (VI = 2.4 V, VCC = 5.5 V) specification is 1.8 mA. HCT INPUT LOADING TABLE INPUT UNIT LOAD OE 1.25 Any D 0.3 LE 0.65 Unit load is ∆ICC limit specified in electrical characteristics table (e.g., 360 µA max at 25°C). |
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