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MM74C14 датащи(PDF) 3 Page - National Semiconductor (TI) |
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MM74C14 датащи(HTML) 3 Page - National Semiconductor (TI) |
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3 / 6 page ![]() AC Electrical Characteristics TA e 25 C CL e 50 pF unless otherwise specified Symbol Parameter Conditions Min Typ Max Units tPD0 tPD1 Propagation Delay from Input VCC e 5V 220 400 ns to Output VCC e 10V 80 200 ns CIN Input Capacitance Any Input (Note 2) 50 pF CPD Power Dissipation Capacitance (Note 3) Per Gate 20 pF AC Parameters are guaranteed by DC correlated testing Note 1 ‘‘Absolute Maximum Ratings’’ are those values beyond which the safety of the device cannot be guaranteed Except for ‘‘Operating Temperature Range’’ they are not meant to imply that the devices should be operated at these limits The table of ‘‘Electrical Characteristics’’ provides conditions for actual device operation Note 2 Capacitance is guaranteed by periodic testing Note 3 CPD determines the no load AC power consumption of any CMOS device For complete explanation see 54C74C Family Characteristics Application NoteAN-90 Note 4 Only one of the six inputs is at VCC the others are either at VCC or GND Typical Applications Low Power Oscillator TLF5879 – 2 t1 RC fin VTa VTb t1 RC fin VCC b VTb VCC b VTa f 1 RC fin VTa (VCC b VTb) VTb (VCC b VTa) 1 17 RC Note The equations assume t1 a t2 n tpd0 a tpd1 TLF5879 – 3 3 |
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