unisonic technologies co., ltd U74HC4049 cmos ic www.unisonic.com.tw 1 of 6 copyright ? 2013 unisonic technologies co., ltd qw-r502-890.a hex inverting high-to-low level shifter ? description the U74HC4049 is a high speed si-gate cmos device which contains six independent inverter s and they perform the function y= a . on the input circuit of this device has a modified input protection structure which has no diode connected to v cc . input voltages of up to 15-v may therefore be used. this feature enables the inverters to be used as logic level translators, which will convert high level logic to low level logic, while operating from a low voltage power supply. for example15-v logic can be converted down to 2-v logic. at the same time each part can be used as a simple inverter without level translation. ? features * inputs accept voltages to 15v * low power dissipation * enable to be used as a logic level translator ? ordering information ordering number package packing lead free halogen free U74HC4049l-s16-r U74HC4049g-s16-r sop-16 tape reel U74HC4049l-s16-t U74HC4049g-s16-t sop-16 tube U74HC4049l-p16-r U74HC4049g-p16-r tssop-16 tape reel U74HC4049l-p16-t U74HC4049g-p16-t tssop-16 tube
U74HC4049 cmos ic unisonic technologies co., ltd 2 of 6 www.unisonic.com.tw qw-r502-890.a ? pin configuration note: the n.c is stand for that the pin is not connected. ? function table input(na) output( n y ) l h h l note: h: high voltage level; l: low voltage level ? logic diagram (positive logic)
U74HC4049 cmos ic unisonic technologies co., ltd 3 of 6 www.unisonic.com.tw qw-r502-890.a ? absolute maximum rating parameter symbol ratings unit supply voltage v cc -0.5 ~ +7.0 v input voltage v in -0.5 ~ +16 v v cc or gnd current i cc 50 ma continuous output current ( v out =0 to v cc ) i out 25 ma input clamp current (v in <-0.5) i ik -20 ma output clamp current (v out <-0.5 or v out > v cc +0.5) i ok 20 ma storage temperature range t stg -65 ~ +150 c note: absolute maximum ratings are those values beyo nd which the device could be permanently damaged. absolute maximum ratings are stress ratings only and functional device oper ation is not implied. ? recommended operating conditions parameter symbol test conditions min typ max unit supply voltage v cc operating 2.0 5.0 6.0 v input voltage v in 0 15 v output voltage v out high or low state 0 v cc v operating temperature t a -40 +25 125 c input transition rise or fall rate t/ v v cc =2.0v 1000 ns/v v cc =4.5v 500 ns/v v cc =6.0v 400 ns/v ? electrical characteristics (t a =25c , unless otherwise specified) parameter symbol test conditions min typ max unit high-level input voltage v ih v cc =2.0v 1.5 1.3 v v cc =4.5v 3.15 2.4 v v cc =6.0v 4.2 3.1 v low-level input voltage v il v cc =2.0v 0.7 0.5 v v cc =4.5v 1.8 1.35 v v cc =6.0v 2.3 1.8 v high-level output voltage v oh v cc =2.0v, i ol =-20 a 1.9 2.0 v v cc =4.5v, i ol =-20 a 4.4 4.5 v v cc =6.0v, i ol =-20 a 5.9 6.0 v v cc =4.5v, i ol =-4.0ma 3.98 v v cc =6.0v, i ol =-5.2ma 5.48 v low-level output voltage v ol v cc =2.0v, i ol =20 a 0.1 v v cc =4.5v, i ol =20 a 0.1 v v cc =6.0v, i ol =20 a 0.1 v v cc =4.5v, i ol =4.0ma 0.26 v v cc =6.0v, i ol =5.2ma 0.26 v input leakage current i i(leak) v cc =6.0v, v in =v cc or gnd 0.1 a v cc =6.0v, v in =15v 0.5 a quiescent supply current i cc v cc =6.0v, v in =15v or gnd, i out =0 2.0 a input capacitance c i 3.5 pf
U74HC4049 cmos ic unisonic technologies co., ltd 4 of 6 www.unisonic.com.tw qw-r502-890.a ? switching characteristics (t a =25 , input t r /t f =6ns) see fig. 1 and fig. 2 for test circuit and waveforms. parameter symbol test conditions min typ max unit propagation delay from input ( na ) to output( n y ) t pd v cc =2.0v, c l =50pf 28 85 ns v cc =4.5v, c l =50pf 10 17 ns v cc =5.0v, c l =15pf 8 ns v cc =6.0v, c l =50pf 8 14 ns output transition time (n y ) t t v cc =2.0v, c l =50pf 19 75 ns v cc =4.5v, c l =50pf 7 15 ns v cc =6.0v, c l =50pf 6 13 ns ? operating characteristics (t a =25 ) parameter symbol test conditions min typ max unit power dissipation capacitance c pd v in = gnd to v cc , f=1mh z, c l =50pf 14 pf
U74HC4049 cmos ic unisonic technologies co., ltd 5 of 6 www.unisonic.com.tw qw-r502-890.a ? test circuit and waveforms fig. 1 load circuitry for switching times fig. 2 propagation delay from input(na) to output(n y ) and output transition time note: c l includes probe and jig capacitance. all input pulses are supplied by generators having the following characteristics: prr 10mhz, z o = 50 ? .
U74HC4049 cmos ic unisonic technologies co., ltd 6 of 6 www.unisonic.com.tw qw-r502-890.a utc assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all utc products described or contained herein. utc products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. the information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice.
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