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54AC16620WD データシート(PDF) 4 Page - Texas Instruments |
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54AC16620WD データシート(HTML) 4 Page - Texas Instruments |
4 / 8 page 54AC16620, 74AC16620 16-BIT BUS TRANSCEIVERS WITH 3-STATE OUTPUTS SCAS239A – JULY 1990 – REVISED APRIL 1996 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 recommended operating conditions (see Note 2) 54AC16620 74AC16620 UNIT MIN NOM MAX MIN NOM MAX UNIT VCC Supply voltage 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 NOTE 3: Unused inputs must be held high or low to prevent them from floating. electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS VCC TA = 25°C 54AC16620 74AC16620 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 Control inputs VI = VCC or GND 5.5 V ±0.1 ±1 ±1 µA IOZ‡ A or B ports VO = 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 Control inputs VI = VCC or GND 5 V 4.5 pF Cio A or B ports VO = VCC or GND 5 V 16 pF † Not more than one output should be tested at a time, and the duration of the test should not exceed 10 ms. ‡ For I/O ports, the parameter IOZ includes the input leakage current. 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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