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74AC16244DGGRE4 데이터시트(PDF) 4 Page - Texas Instruments |
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74AC16244DGGRE4 데이터시트(HTML) 4 Page - Texas Instruments |
4 / 10 page 54AC16244, 74AC16244 16-BIT BUFFERS/LINE DRIVERS WITH 3-STATE OUTPUTS SCAS120A – MARCH 1990 – REVISED APRIL 1996 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 recommended operating conditions (see Note 3) 54AC16244 74AC16244 UNIT MIN NOM MAX MIN NOM MAX UNIT VCC Supply voltage (see Note 4) 3 5 5.5 3 5 5.5 V VCC = 3 V 2.1 2.1 VIH High-level input voltage VCC = 4.5 V 3.15 3.15 V VCC = 5.5 V 3.85 3.85 VCC = 3 V 0.9 0.9 VIL Low-level input voltage VCC = 4.5 V 1.35 1.35 V VCC = 5.5 V 1.65 1.65 VI Input voltage 0 VCC 0 VCC V VO Output voltage 0 VCC 0 VCC V VCC = 3 V –4 –4 IOH High-level output current VCC = 4.5 V –24 –24 mA VCC = 5.5 V –24 –24 VCC = 3 V 12 12 IOL Low-level output current VCC = 4.5 V 24 24 mA VCC = 5.5 V 24 24 ∆t/∆v Input transition rise or fall rate 0 10 0 10 ns/V TA Operating free-air temperature –55 125 –40 85 °C NOTES: 3. Unused inputs should be tied to VCC through a pullup resistor of approximately 5 kW or greater to prevent them from floating. 4. All VCC and GND pins must be connected to the proper voltage supply. electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS VCC TA = 25°C 54AC16244 74AC16244 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 5.5 V 5.4 5.4 5.4 VOH IOH = –4 mA 3 V 2.58 2.48 2.48 V IOH =24 mA 4.5 V 3.94 3.8 3.8 IOH = –24 mA 5.5 V 4.94 4.8 4.8 IOH = –75 mA† 5.5 V 3.85 3.85 3 V 0.1 0.1 0.1 IOL = –50 µA 4.5 V 0.1 0.1 0.1 5.5 V 0.1 0.1 0.1 VOL IOL = 12 mA 3 V 0.36 0.44 0.44 V IOL =24mA 4.5 V 0.36 0.44 0.44 IOL = 24 mA 5.5 V 0.36 0.44 0.44 IOL = 75 mA† 5.5 V 1.65 1.65 II VI = VCC or GND 5.5 V ±0.1 ±1 ±1 µA IOZ VI = VCC or GND 5.5 V ±0.5 ±5 ±5 µA ICC VI = VCC or GND, IO = 0 5.5 V 8 80 80 µA Ci VI = VCC or GND 5 V 4.5 pF Co VI = 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. PRODUCT PREVIEW information concerns products in the formative or design phase of development. Characteristic data and other specifications are design goals. Texas Instruments reserves the right to change or discontinue these products without notice. |
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