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SN74AC574DBR bảng dữ liệu(PDF) 3 Page - Texas Instruments |
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SN74AC574DBR bảng dữ liệu(HTML) 3 Page - Texas Instruments |
3 / 16 page SN54AC574, SN74AC574 OCTAL DTYPE EDGETRIGGERED FLIPFLOPS WITH 3STATE OUTPUTS SCAS541E − OCTOBER 1995 − REVISED OCTOBER 2003 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 recommended operating conditions (see Note 3) SN54AC574 SN74AC574 UNIT MIN MAX MIN MAX UNIT VCC Supply voltage 2 6 2 6 V VCC = 3 V 2.1 2.1 VIH High-level input voltage VCC = 4.5 V 3.15 3.15 V VIH High-level input voltage VCC = 5.5 V 3.85 3.85 V VCC = 3 V 0.9 0.9 VIL Low-level input voltage VCC = 4.5V 1.35 1.35 V VIL Low-level input voltage VCC = 5.5 V 1.65 1.65 V VI Input voltage 0 VCC 0 VCC V VO Output voltage 0 VCC 0 VCC V VCC = 3 V −12 −12 IOH High-level output current VCC = 4.5 V −24 −24 mA IOH High-level output current VCC = 5.5 V −24 −24 mA VCC = 3 V 12 12 IOL Low-level output current VCC = 4.5 V 24 24 mA IOL Low-level output current VCC = 5.5 V 24 24 mA ∆t/∆v Input transition rise or fall rate 8 8 ns/V TA Operating free-air temperature −55 125 −40 85 °C 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 SN54AC574 SN74AC574 UNIT PARAMETER TEST CONDITIONS VCC MIN TYP MAX MIN MAX MIN MAX UNIT 3 V 2.9 2.9 2.9 IOH = −50 µA 4.5 V 4.4 4.4 4.4 VOH IOH = −50 µA 5.5 V 5.4 5.4 5.4 V VOH IOH = −12 mA 3 V 2.56 2.4 2.46 V IOH = −24 mA 4.5 V 3.94 3.7 3.76 IOH = −24 mA 5.5 V 4.94 4.7 4.76 3 V 0.1 0.1 0.1 IOL = 50 µA 4.5 V 0.1 0.1 0.1 VOL IOL = 50 µA 5.5 V 0.1 0.1 0.1 V VOL IOL = 12 mA 3 V 0.36 0.5 0.44 V IOL = 24 mA 4.5 V 0.36 0.5 0.44 IOL = 24 mA 5.5 V 0.36 0.5 0.44 II VI = VCC or GND 5.5 V ±0.1 ±1 ±1 µA IOZ VO = VCC or GND 5.5 V ±0.5 ±5 ±2.5 µA ICC VI = VCC or GND, IO = 0 5.5 V 4 80 40 µA Ci VI = VCC or GND 5 V 4.5 pF |
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