unisonic technologies co., ltd u74lvc1g132 cmos ic www.unisonic.com.tw 1 of 6 copyright ? 2014 unisonic technologies co., ltd qw-r502-a15.b single 2-input nand gate with schmitt-trigger inputs ? description the u74lvc1g132 contains one 2-input nand gate with schmitt-trigger inputs designed for 1.65-v to 5.5v v cc operation and performs the boolean function y=a b ? or y=a+b in positive logic. because of schmitt action, this device has different input threshold levels for positive-going (v t+ ) and negative-going (v t- ) signals. this device can be triggered from the slowest of input ramps and still give clean jitter-free output signals. the device is fully specified for partial-power-down applications using i off . the i off circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down. ? features * supports 5-v v cc operation * inputs accept voltages to 5.5v * max t pd of 5.3ns at 3.3v * low power consumption, i cc =10 a (max) * i off supports partial-power-down mode * 24ma output drive at 3.3v ? ordering information ordering number package packing lead free halogen free U74LVC1G132L-AE5-R u74lvc1g132g-ae5-r sot-23-5 tape reel ? marking 54 3 2 1 3m2 l : lead free g: halogen free
u74lvc1g132 cmos ic unisonic technologies co., ltd 2 of 6 www.unisonic.com.tw qw-r502-a15.b ? pin configuration y 3 2 1 4 5 gnd b a v cc ? function table inputs output y a b l l h l h h h l h h h l note: h: high voltage level; l: low voltage level ? logic diagram (positive logic)
u74lvc1g132 cmos ic unisonic technologies co., ltd 3 of 6 www.unisonic.com.tw qw-r502-a15.b ? absolute maximum rating parameter symbol ratings unit supply voltage v cc -0.5 ~ +6.5 v input voltage v in -0.5 ~ +6.5 v output voltage output in the high or low state v out -0.5 ~ v cc +0.5 v output in the high-impedance or power-off state -0.5 ~ +6.5 v cc or gnd current i cc 100 ma continuous output current (v out =0 to v cc ) i out 50 ma input clamp current (v in <0) i ik -50 ma output clamp current (v out <0) i ok -50 ma operating temperature t a -40 ~ +85 c 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. ? thermal data parameter symbol ratings unit junction to ambient ja 252 c/w ? recommended operating conditions parameter symbol test conditions min typ max unit supply voltage v cc operating 1.65 5.5 v input voltage v in 0 5.5 v output voltage v out high or low state 0 v cc v note: all unused inputs of the device must be held at v cc or gnd to ensure proper device operation. ? electrical characteristics (t a =25c , unless otherwise specified) parameter symbol test conditions min typ max unit positive-going input threshold voltage v t+ v cc =1.65v 0.79 1.16 v v cc =2.3v 1.11 1.56 v cc =3v 1.5 1.87 v cc =4.5v 2.16 2.74 v cc =5.5v 2.61 3.33 negative-going input threshold voltage v t- v cc =1.65v 0.39 0.62 v v cc =2.3v 0.58 0.87 v cc =3v 0.84 1.14 v cc =4.5v 1.41 1.79 v cc =5.5v 1.87 2.29 hysteresis (v t+ - v t- ) v t v cc =1.65v 0.37 0.62 v v cc =2.3v 0.48 0.77 v cc =3v 0.56 0.87 v cc =4.5v 0.71 1.04 v cc =5.5v 0.71 1.11 high-level output voltage v oh v cc =1.65 ~ 5.5v i oh =-100 a v cc -0.1 v v cc =1.65v i oh =-4ma 1.2 v cc =2.3v i oh =-8ma 1.9 v cc =3.0v i oh =-16ma 2.4 i oh =-24ma 2.3 v cc =4.5v i oh =-32ma 3.8
u74lvc1g132 cmos ic unisonic technologies co., ltd 4 of 6 www.unisonic.com.tw qw-r502-a15.b ? electrical characteristics(cont.) parameter symbol test conditions min typ max unit low-level output voltage v ol v cc =1.65 ~ 5.5v i ol =100 a 0.1 v v cc =1.65v i ol =4ma 0.45 v cc =2.3v i ol =8ma 0.30 v cc =3.0v i ol =16ma 0.40 i ol =24ma 0.55 v cc =4.5v i ol =32ma 0.55 input leakage current i i ( leak ) v in =5.5v or gnd, v cc =1.65v ~ 5.5v 1 a power off leakage current i off v in or v out =5.5v, v cc =0v 10 a quiescent supply current i cc v in =v cc or gnd, i out =0 v cc =1.65 ~ 5.5v 10 a additional quiescent supply current per input pin ? i cc v cc =3 v~ 5.5v, one input at v cc -0.6v, other inputs at v cc or gnd 500 a input capacitance c i v cc =3.3v, v in =v cc or gnd 3.5 pf ? switching characteristics (t a =25 )(see figure 1) parameter symbol test conditions min typ max unit propagation delay from input (a or b) to output(y) t plh /t phl v cc =1.8v0.15v c l =15pf 4 16 ns c l =30pf 4 16 v cc =2.5v0.2v c l =15pf 2.5 7 ns c l =30pf 3 7.5 v cc =3.3v0.3v c l =15pf 2 5.3 ns c l =50pf 2 6 v cc =5v0.5v c l =15pf 1.5 4.4 ns c l =50pf 2 5 ? operating characteristics (t a =25 ) parameter symbol test conditions min typ max unit power dissipation capacitance c pd f=10mhz v cc =1.8v 17 pf v cc =2.5v 18 pf v cc =3.3v 18 pf v cc =5.0v 20 pf
u74lvc1g132 cmos ic unisonic technologies co., ltd 5 of 6 www.unisonic.com.tw qw-r502-a15.b ? test circuit and waveforms v cc inputs v m c l r l v i t r / t f 1.8v0.15v v cc 2ns v cc /2 15pf 1m ? 30pf 1k ? 2.5v0.2v v cc 2ns v cc /2 15pf 1m ? 30pf 500 ? 3.3v0.3v 3v 2.5ns 1.5v 15pf 1m ? 50pf 500 ? 5v0.5v v cc 2.5ns v cc /2 15pf 1m ? 50pf 500 ? figure 1. test circuit and voltage waveforms note: 1. c l includes probe and jig capacitance. 2. all input pulses are supplied by gene rators having the following characteristics: prr 10mhz, z o =50 ? .
u74lvc1g132 cmos ic unisonic technologies co., ltd 6 of 6 www.unisonic.com.tw qw-r502-a15.b 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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