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HD74AC датащи(PDF) 9 Page - Hitachi Semiconductor |
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HD74AC датащи(HTML) 9 Page - Hitachi Semiconductor |
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9 / 52 page ![]() FACT Descriptions and Family Characteristics 8 0.001 0.3 1.0 3.0 10.0 2 4 6 8 10 HC FACT ALS LS FAST AS Power Per Gate (mW) (Not to scale) Figure8 Propagation Delays Table 1a Logic Family Comparisons General Characteristics (All Max Ratings) FACT Characteristics Symbol LS ALS HCMOS HD74AC HD74ACT Unit Operating voltage range V CC/EE/DD 5 ± 5% 5 ± 10% 2.0 to 6.0 2.0 to 6.0 4.5 to 5.5 V Operating temperature range –20 to +75 0 to +70 –40 to +85 –40 to +85 –40 to +85 °C Input voltage (limits) V IH (min) 2.0 2.0 3.15 3.15 2.0 V V IL (max) 0.8 0.8 1.35 1.35 0.8 V Output voltage (limits) V OH (min) 2.7 2.7 V CC – 0.1 V CC – 0.1 V CC – 0.1 V V OL (max) 0.5 0.5 0.1 0.1 0.1 V Input current I IH 20 20 +1.0 +1.0 +1.0 µA I IL –400 –200 –1.0 –1.0 –1.0 µA Output current at V 0 (limit) I OH –0.4 –0.4 –4.0 @ V CC– 0.37 –24 @ V CC– 0.7 –24 @ V CC– 0.7 mA I OL 8.0 8.0 4.0 @ 0.33 V 24 @ 0.37 V 24 @ 0.37 V mA DC noise margin low/high DCM 0.3/0.7 0.4/0.7 1.25/1.25 1.25/1.25 0.7/2.4 V |
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