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U74AHC245 Datasheet(PDF) 4 Page - Unisonic Technologies |
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U74AHC245 Datasheet(HTML) 4 Page - Unisonic Technologies |
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4 / 5 page  U74AHC245 CMOS IC UNISONICTECHNOLOGIESCO.,LTD 4 of 5 www.unisonic.com.tw QW-R502-987.B ELECTRICAL CHARACTERISTICS (TA=25°С, unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT HIGH-level input voltage VIH VCC=2V 1.5 V VCC=3V 2.1 VCC=5.5V 3.85 LOW-lever output voltage VIL VCC=2V 0.5 V VCC=3V 0.9 VCC=5.5V 1.65 High-Level Output Voltage VOH VCC=2V, IOH=-50μA 1.9 2 V VCC=3V, IOH=-50μA 2.9 3 VCC=4.5V, IOH=-50μA 4.4 4.5 VCC=3V, IOH=-4mA 2.58 VCC=4.5V, IOH=-8mA 3.94 Low-Level Output Voltage VOL VCC=2V, IOL=50μA 0.1 V VCC=3V, IOL=50μA 0.1 VCC=4.5V, IOL=50μA 0.1 VCC=3V, IOL=4mA 0.36 VCC=4.5V, IOL=8mA 0.36 Input Leakage Current A or B inputs II(LEAK) VCC=5.5V, VIN=VCC or GND ±0.1 μA OE or DIR VCC=0 to 5.5V, VIN=VCC or GND Output OFF-state current IOZ VCC=5.5V, VOUT=VCC or GND ±0.25 μA Quiescent Supply Current IQ VCC=5.5V, VIN=VCC or GND, IOUT=0 4 μA Input Capacitance( OE or DIR) CI VCC=5V, VIN=VCC or GND 2.5 10 pF Input Capacitance(A or B inputs) CIO VCC=5V, VIN=VCC or GND 4 pF SWITCHING CHARACTERISTICS (RL=1kΩ, TA=25°С, unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Propagation delay from input (A or B) to output (B or A) tpd (tPLH/tPHL) VCC=3.3V±0.3V, CL=15pF 5.8 8.4 ns VCC=3.3V±0.3V, CL=50pF 8.3 11.9 VCC=5V±0.5V, CL=15pF 4 5.5 VCC=5V±0.5V, CL=50pF 5.5 7.5 3-state output enable time from input ( OE ) to output (A or B) ten (tPZL/tPZH) VCC=3.3V±0.3V, CL=15pF 8.5 13.2 ns VCC=3.3V±0.3V, CL=50pF 11 16.7 VCC=5V±0.5V, CL=15pF 5.8 8.5 VCC=5V±0.5V, CL=50pF 7.3 10.6 3-state output disable time from input ( OE ) to output (A or B) tdis (tPLZ/tPHZ) VCC=3.3V±0.3V, CL=15pF 8.9 12.5 ns VCC=3.3V±0.3V, CL=50pF 11.5 15.8 VCC=5V±0.5V, CL=15pF 5.6 7.8 VCC=5V±0.5V, CL=50pF 7 9.7 OPERATING CHARACTERISTICS(VCC=5V, TA=25°С, unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Power Dissipation Capacitance CPD No load, f=1MHz 14 pF |
Similar Part No. - U74AHC245_15 |
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Similar Description - U74AHC245_15 |
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