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HD74AC датащи(PDF) 22 Page - Hitachi Semiconductor |
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HD74AC датащи(HTML) 22 Page - Hitachi Semiconductor |
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22 / 52 page ![]() Definition of Specifications 21 Table 4 DC Characteristics for HD74ACT Family Devices Ta = +25 °C Ta = –40 to +85 °C Parameter Symbol V CC (V) Typ Guaranteed Limit Unit Condition Minimum High V IH 4.5 1.5 2.0 2.0 V V OUT = 0.1V or Level Input 5.5 1.5 2.0 2.0 V CC –0.1V Voltage Maximum Low V IL 4.5 1.5 0.8 0.8 V V OUT = 0.1 V or Level Input 5.5 1.5 0.8 0.8 V CC –0.1V Voltage Maximum High V OH 4.5 4.49 4.4 4.4 V I OUT = –50 µA Level 5.5 5.49 5.4 5.4 Output Voltage 4.5 3.94 3.80 V V IN = VIL or VIH 5.5 4.94 4.80 I OH –24 mA * 1 –24 mA Maximum Low V OL 4.5 0.001 0.1 0.1 V I OUT = 50 µA Level Output 5.5 0.001 0.1 0.1 Voltage 4.5 0.32 0.37 V V IN = VIL or VIH 5.5 0.32 0.37 I OL 24 mA * 1 24 mA Maximum Input Current I IN 5.5 ±0.1 ±1.0 µAV I = VCC, GND Maximum 3- State Current I OZ 5.5 ±0.5 ±5.0 µAV I = VIL, VIH V O = VCC, GND Maximum I CC/Input Current I CCT 5.5 0.6 1.5 mA V I = VCC – 2.1V Minimum Dynamic Output Current * 2 I OLD 5.5 86 mA V OLD = 1.1 V I OHD 5.5 –75 mA V OHD = 3.85 V Notes: 1. All outputs loaded; thresholds on input associated with output under test. 2. Maximum test duration 2.0 ms, one output loaded at a time. |
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