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U74HC123L-P16-R Datasheet(PDF) 6 Page - Unisonic Technologies |
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U74HC123L-P16-R Datasheet(HTML) 6 Page - Unisonic Technologies |
6 / 10 page U74HC123 CMOS IC UNISONICTECHNOLOGIESCO.,LTD 6 of 10 www.unisonic.com.tw QW-R502-A10.A SWITCHING CHARACTERISTICS (tr = tf = 6ns, CL=50pF, TA =25°C, unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Propagation Delay Time From nA , nB to nQ or nQ tPLH/tPHL VCC=2V CEXT=0pF REXT=5k 83 255 ns VCC=4.5V 30 51 VCC=5V, CL=15p 26 VCC=6V 24 43 Propagation Delay Time From D nR to nQ or nQ tPLH/tPHL VCC=2V CEXT=0pF REXT=5k 66 215 ns VCC=4.5V 24 43 VCC=5V, CL=15p 20 VCC=6V 19 37 Output transition time tt VCC=2V 19 75 ns VCC=4.5V 7 15 VCC=6V 6 13 Trigger pulse width nA =LOW tw VCC=2V 100 8 ns VCC=4.5V 20 3 VCC=6V 17 2 Trigger pulse width nB=HIGH tw VCC=2V 100 17 ns VCC=4.5V 20 6 VCC=6V 17 5 Reset pulse width D nR =LOW tw VCC=2V 100 14 ns VCC=4.5V 20 5 VCC=6V 17 4 Output pulse width nQ=HIGH, nQ =LOW tw VCC=5V , CEXT=100nF, REXT=10k 450 μs Output pulse width nQ=HIGH, nQ =LOW tw VCC=5V , CEXT=0pF, REXT=5k 75 ns Retrigger time nA , nB trt VCC=5V , CEXT=0pF, REXT=5k 110 ns External timing resistor REXT VCC=2V 10 1000 kΩ VCC=5V 2 1000 External timing capacitor CEXT VCC=5V 2 10000 pF OPERATING CHARACTERISTICS (TA =25°C , unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Power Dissipation Capacitance Per monostable CPD 54 pF |
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