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TC74HCT245AP 데이터시트(PDF) 3 Page - Toshiba Semiconductor |
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3 / 7 page TC74HCT245AP/AF 2007-10-01 3 Operating Ranges (Note) Characteristics Symbol Rating Unit Supply voltage VCC 4.5 to 5.5 V Input voltage VIN 0 to VCC V Output voltage VOUT 0 to VCC V Operating temperature Topr −40 to 85 °C Input rise and fall time tr, tf 0 to 500 ns Note: The operating ranges are required to ensure the normal operation of the device. Unused inputs and bus inputs must be tied to either VCC or GND. Please connect both bus inputs and the bus outputs with VCC or GND when the I/O of the bus terminal changes by the function. In this case, please note that the output is not short-circuited. Electrical Characteristics DC Characteristics Ta = 25°C Ta = −40 to 85°C Characteristics Symbol Test Condition VCC (V) Min Typ. Max Min Max Unit High-level input voltage VIH ⎯ 4.5 to 5.5 2.0 ⎯ ⎯ 2.0 ⎯ V Low-level input voltage VIL ⎯ 4.5 to 5.5 ⎯ ⎯ 0.8 ⎯ 0.8 V IOH = −20 μA 4.5 4.4 4.5 ⎯ 4.4 ⎯ High-level output voltage VOH VIN = VIH or VIL IOH = −6 mA 4.5 4.18 4.31 ⎯ 4.13 ⎯ V IOL = 20 μA 4.5 ⎯ 0.0 0.1 ⎯ 0.1 V Low-level output voltage VOL VIN = VIH or VIL IOL = 6 mA 4.5 ⎯ 0.17 0.26 ⎯ 0.33 3-state output off-state current IOZ VIN = VIH or VIL VOUT = VCC or GND 5.5 ⎯ ⎯ ±0.5 ⎯ ±5.0 μA Input leakage current IIN VIN = VCC or GND 5.5 ⎯ ⎯ ±0.1 ⎯ ±1.0 μA ICC VIN = VCC or GND 5.5 ⎯ ⎯ 4.0 ⎯ 40.0 μA Quiescent supply current IC Per input: VIN = 0.5 V or 2.4 V Other input: VCC or GND 5.5 ⎯ ⎯ 2.0 ⎯ 2.9 mA |
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