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MM74HC244N Datasheet(PDF) 4 Page - Fairchild Semiconductor |
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MM74HC244N Datasheet(HTML) 4 Page - Fairchild Semiconductor |
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4 / 8 page  www.fairchildsemi.com 4 AC Electrical Characteristics VCC 5V, TA 25qC, tr tf 6 ns AC Electrical Characteristics VCC 2.0V-6.0V, CL 50 pF, tr tf 6 ns (unless otherwise specified) Note 5: CPD determines the no load dynamic power consumption, PD CPD VCC 2f I CC VCC, and the no load dynamic current consumption, IS CPD VCCf ICC. Symbol Parameter Conditions Typ Guaranteed Units Limit tPHL, tPLH Maximum Propagation CL 45 pF 14 20 ns Delay tPZH, tPZL Maximum Enable Delay RL 1 k: 17 28 ns to Active Output CL 45 pF tPHZ, tPLZ Maximum Disable Delay RL 1 k: 15 25 ns from Active Output CL 5 pF Symbol Parameter Conditions VCC TA 25qCTA 40 to 85qC TA 55 to 125qC Units Typ Guaranteed Limits tPHL, tPLH Maximum Propagation CL 50 pF 2.0V 58 115 145 171 ns Delay CL 150 pF 2.0V 83 165 208 246 ns CL 50 pF 4.5V 14 23 29 34 ns CL 150 pF 4.5V 17 33 42 49 ns CL 50 pF 6.0V 10 20 25 29 ns CL 150 pF 6.0V 14 28 35 42 ns tPZH, tPZL Maximum Output Enable RL 1 k: Time CL 50 pF 2.0V 75 150 189 224 ns CL 150 pF 2.0V 100 200 252 298 ns CL 50 pF 4.5V 15 30 38 45 ns CL 150 pF 4.5V 30 40 50 60 ns CL 50 pF 6.0V 13 26 32 38 ns CL 150 pF 6.0V 17 34 43 51 ns tPHZ, tPLZ Maximum Output Disable RL 1 k: 2.0V 75 150 189 224 ns Time CL 50 pF 4.5V 15 30 38 45 ns 6.0V 13 26 32 38 ns tTLH, tTHL Maximum Output 2.0V 60 75 90 ns Rise and Fall Time 4.5V 12 15 18 ns 6.0V 10 13 15 ns CPD Power Dissipation (per buffer) Capacitance (Note 5) G VIH 12 pF G VIL 50 pF CIN Maximum Input 5 10 10 10 pF Capacitance COUT Maximum Output 10 20 20 20 pF Capacitance |
Similar Part No. - MM74HC244N |
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Similar Description - MM74HC244N |
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