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TC74VHCT540AF 데이터시트(PDF) 4 Page - Toshiba Semiconductor |
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TC74VHCT540AF 데이터시트(HTML) 4 Page - Toshiba Semiconductor |
4 / 9 page TC74VHCT540,541AF/AFT/AFK 2007-10-01 4 Electrical Characteristics DC Characteristics Test Condition Ta = 25°C Ta = −40 to 85°C Characteristics Symbol 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 = −50 μA 4.5 4.40 4.50 ― 4.40 ― High-level output voltage VOH VIN = VIH or VIL IOH = −8 mA 4.5 3.94 ― ― 3.80 ― V IOL = 50 μA 4.5 ― 0.0 0.10 ― 0.10 Low-level output voltage VOL VIN = VIH or VIL IOL = 8 mA 4.5 ― ― 0.36 ― 0.44 V 3-state output off-state current IOZ VIN = VIH or VIL VOUT = VCC or GND 5.5 ― ― ±0.25 ― ±2.50 μA Input leakage current IIN VIN = 5.5 V or GND 0 to 5.5 ― ― ±0.1 ― ±1.0 μA ICC VIN = VCC or GND 5.5 ― ― 4.0 ― 40.0 μA Quiescent supply current ICCT Per input: VIN = 3.4 V Other input: VCC or GND 5.5 ― ― 1.35 ― 1.50 mA Output leakage current IOPD VOUT = 5.5 V 0 ― ― +0.5 ― +5.0 μA AC Characteristics (input: tr = tf = 3 ns) Test Condition Ta = 25°C Ta = −40 to 85°C Characteristics Symbol VCC (V) CL (pF) Min Typ. Max Min Max Unit 15 ― 5.4 7.4 1.0 8.5 Propagation delay time (TC74VHCT540A) tpLH tpHL ― 5.0 ± 0.5 50 ― 5.9 8.4 1.0 9.5 ns 15 ― 5.0 6.9 1.0 8.0 Propagation delay time (TC74VHCT541A) tpLH tpHL ― 5.0 ± 0.5 50 ― 5.5 7.9 1.0 9.0 ns 15 ― 8.3 11.3 1.0 13.0 3-state output enable time tpZL tpZH RL = 1 kΩ 5.0 ± 0.5 50 ― 8.8 12.3 1.0 14.0 ns 3-state output disable time tpLZ tpHZ RL = 1 kΩ 5.0 ± 0.5 50 ― 9.4 11.9 1.0 13.5 ns Output to output skew tosLH tosHL (Note 1) 5.0 ± 0.5 50 ― ― 1.0 ― 1.0 ns Input capacitance CIN ― ― 4 10 ― 10 pF Output capacitance COUT ― ― 9 ― ― ― pF Power dissipation capacitance CPD (Note 2) ― 19 ― ― ― pF Note 1: Parameter guaranteed by design. tosLH = |tpLHm − tpLHn|, tosHL = |tpHLm − tpHLn| Note 2: CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating current consumption without load. Average operating current can be obtained by the equation: ICC (opr) = CPD·VCC·fIN + ICC/8 (per bit) |
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