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CD74AC74M Datasheet(PDF) 3 Page - Texas Instruments |
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CD74AC74M Datasheet(HTML) 3 Page - Texas Instruments |
3 / 15 page CD54AC74, CD74AC74 DUAL POSITIVE-EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH CLEAR AND PRESET SCHS231D – SEPTEMBER 1998 – REVISED DECEMBER 2002 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 recommended operating conditions (see Note 3) TA = 25°C –55 °C to 125 °C –40 °C to 85 °C UNIT MIN MAX MIN MAX MIN MAX VCC Supply voltage 1.5 5.5 1.5 5.5 1.5 5.5 V VCC = 1.5 V 1.2 1.2 1.2 VIH High-level input voltage VCC = 3 V 2.1 2.1 2.1 V VCC = 5.5 V 3.85 3.85 3.85 VCC = 1.5 V 0.3 0.3 0.3 VIL Low-level input voltage VCC = 3 V 0.9 0.9 0.9 V VCC = 5.5 V 1.65 1.65 1.65 VI Input voltage 0 VCC 0 VCC 0 VCC V VO Output voltage 0 VCC 0 VCC 0 VCC V IOH High-level output current VCC = 4.5 V to 5.5 V –24 –24 –24 mA IOL Low-level output current VCC = 4.5 V to 5.5 V 24 24 24 mA ∆t/∆v Input transition rise or fall rate VCC = 1.5 V to 3 V 50 50 50 ns/V ∆t/∆v Input transition rise or fall rate VCC = 3.6 V to 5.5 V 20 20 20 ns/V 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 –55 °C to 125 °C –40 °C to 85 °C UNIT CC MIN MAX MIN MAX MIN MAX 1.5 V 1.4 1.4 1.4 IOH = –50 µA 3 V 2.9 2.9 2.9 4.5 V 4.4 4.4 4.4 VOH VI = VIH or VIL IOH = –4 mA 3 V 2.58 2.4 2.48 V IOH = –24 mA 4.5 V 3.94 3.7 3.8 IOH = –50 mA† 5.5 V 3.85 IOH = –75 mA† 5.5 V 3.85 1.5 V 0.1 0.1 0.1 IOL = 50 µA 3 V 0.1 0.1 0.1 4.5 V 0.1 0.1 0.1 VOL VI = VIH or VIL 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 = 50 mA† 5.5 V 1.65 IOL = 75 mA† 5.5 V 1.65 II VI = VCC or GND 5.5 V ±0.1 ±1 ±1 µA ICC VI = VCC or GND, IO = 0 5.5 V 4 80 40 µA Ci 10 10 10 pF † Test one output at a time, not exceeding 1-second duration. Measurement is made by forcing indicated current and measuring voltage to minimize power dissipation. Test verifies a minimum 50- Ω transmission-line drive capability at 85°C and 75-Ω transmission-line drive capability at 125°C. |
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