unisonic technologies co., ltd u74lvc1g18 preliminary cmos ic www.unisonic.com.tw 1 of 7 copyright ? 2011 unisonic technologies co., ltd qw-r502-559.a 1-of-2 non-inverting demultiplexer with 3-state deselected output ? description the u74lvc1g18 is a 1-of-2 non- inverting demultiplexer with 3-state output. when the select input s is low data passes from a (input) to 1y (output) and 2y (output) is in the high-impedance state. when the select input s is high data passes from a (input) to 2y (output) and 1y (output) is in the high-impedance state. the u74lvc1g18 is designed fo r 1.65v to 5.5v operation and it can be driven from either 3.3v or 5.5v devices. therefore, it can be used in a mixed 3.3v and 5v environment. the u74lvc1g18 is fully specified for partial-power-down applications using i off . the i off circuitry disables the outputs and prevents damaging current backflow through the device when it is powered down. ? features * wide supply voltage range from 1.65v to 5.5v * max t pd of 3.4 ns at 3.3v * up to 5.5v inputs accept voltages * low power consumption, i cc = 10 a (max.) * 24 ma output driver at 3.3v * typical v olp (output ground bounce) < 0.8v, v cc = 3.3 v, t a = 25 * typical v ohv (output v oh undershoot) > 2v, v cc = 3.3 v, t a = 25 * i off supports partial-power-down mode operation 4 5 3 2 1 6 sot-363 sot-26 4 5 3 2 1 6 ? ordering information ordering number lead free halogen free package packing u74lvc1g18l-al6-r u74lvc1g18g-al6-r sot-363 tape reel u74lvc1g18l-ag6-r U74LVC1G18G-AG6-R sot-26 tape reel (1) r: tape reel (2) al6: sot-363, ag6: sot-26 (3) g: halogen free, l: lead free u74lvc1g18l -al6 -r (1)packing type (2)package type (3)lead free
u74lvc1g18 preliminary cmos ic unisonic technologies co., ltd 2 of 7 www.unisonic.com.tw qw-r502-559.a ? marking 3a8 12 3 4 5 6 g: halogen free l: lead free ? pin configuration ? function table inputs output s a y 0 y 1 l l h h l h l h l h z z z z l h h=high level l=low level ? logic diagram (positive logic) ay1 s 1 3 4 6 y0
u74lvc1g18 preliminary cmos ic unisonic technologies co., ltd 3 of 7 www.unisonic.com.tw qw-r502-559.a ? absolute maximum rating (unless otherwise specified) parameter symbol ratings unit supply voltage v cc -0.5~6.5 v input voltage v in -0.5~6.5 v output voltage ( any output in the high-impedance or power-off state) v out -0.5~6.5 v output voltage (any output in the high or low state) v out -0.5~v cc +0.5 v input clamp current i ik -50 ma output clamp current i ok -50 ma output current i out 50 ma v cc or gnd current i cc 100 ma power dissipation t a =-40 c to +85 c p tot 250 mw storage temperature 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 operation is not implied. 1. the input and output voltage ratings may be exceeded if the input and output current ratings are observed. ? thermal data parameter symbol ratings unit sot-363 350 junction to ambient sot-26 ja 230 c/w ? recommended operating comditions parameter symbol test conditions min max unit operating 1.65 5.5 supply voltage v cc data retention only 1.5 v v cc = 1.65v to 1.95v 0.65* v cc v cc = 2.3v to 2.7v 1.7 v cc = 3v to 3.6v 2 high v ih v cc = 4.5v to 5.5v 0.7* v cc v v cc = 1.65v to 1.95v 0.35* v cc v cc = 2.3v to 2.7v 0.7 v cc = 3v to 3.6v 0.8 input voltage low v il v cc = 4.5v to 5.5v 0.3* v cc v input voltage v in 0 5.5 v output voltage v out high or low state 0 v cc v v cc =1.65v -4 v cc =2.3v -8 -16 v cc =3v -24 high i oh v cc =4.5v -32 ma v cc =1.65v 4 v cc =2.3v 8 16 v cc =3v 24 output current low i ol v cc =4.5v 32 ma v cc =1.80.15v, 2.50.2v 20 v cc =3.30.3v 10 input transition rise or fall rate t/ v v cc =5.0+0.5v 5 ns/v operating temperature t a -40 85 c
u74lvc1g18 preliminary cmos ic unisonic technologies co., ltd 4 of 7 www.unisonic.com.tw qw-r502-559.a ? electrical characteristics ( t a =25 c , unless otherwise specified) parameter symbol test conditions min typ max unit i oh = -100 a, v cc = 1.65v to 5.5v v cc -0.1 i oh = -4 ma, v cc = 1.65v 1.2 i oh = -8 ma, v cc = 2.3v 1.9 i oh = -16 ma, v cc = 3v 2.4 i oh = -24 ma, v cc = 3v 2.3 high v oh i oh = -32 ma, v cc = 4.5v 3.8 v i ol = 100 a, v cc = 1.65v to 5.5v 0.1 i ol = 4 ma, v cc = 1.65v 0.45 i ol = 8 ma, v cc = 2.3v 0.3 i ol = 16 ma, v cc = 3v 0.4 i ol = 24 ma, v cc = 3v 0.55 output voltage low v ol i ol = 32 ma, v cc = 4.5v 0.55 v input leakage current (a or s inputs) i i(leak) v in = 5.5v or gnd, v cc = 0 to 5.5v 5 a off-state current i off v in or v o = 5.5v, v cc = 0v 10 a high-impedance state current i oz v o = 0 to 5.5v, v cc = 3.6v 10 a quiescent supply current i cc v in = 5.5v or gnd, i out = 0, v cc = 1.65v to 5.5v 10 a a dditional quiescent supply current i cc one input at v cc ? 0.6v; other inputs at v cc or gnd; v cc =3v to 5.5v 500 a input capacitance c in v in = v cc or gnd, v cc =3.3v 4 pf output capacitance c out v out = v cc or gnd, v cc =3.3v 6 pf ? switching characteristics ( t a =25 c ) parameter symbol test conditions min max unit v cc =1.80.15v, c l =15pf, r l =1m ? 2.3 8.4 v cc =2.50.20v, c l =15pf, r l =1m ? 1.1 4.2 v cc =3.30.30v, c l =15pf, r l =1m ? 1.1 3.4 propagation delay from input a to output y t plh t phl (t pd ) v cc =5.00.50v, c l =15pf, r l =1m ? 0.8 2.7 v cc =1.80.15v, c l =30pf, r l =1k ? 3.5 9.3 v cc =2.50.20v, c l =30pf, r l =500 ? 1.7 5 v cc =3.30.30v, c l =50pf, r l =500 ? 1.5 4.2 propagation delay from input a to output y t plh t phl (t pd ) v cc =5.00.50v, c l =50pf, r l =500 ? 0.7 3.2 ns v cc =1.80.15v, c l =30pf, r l =1k ? 3.6 10.2 v cc =2.50.20v, c l =30pf, r l =500 ? 1.7 5.6 v cc =3.30.30v, c l =50pf, r l =500 ? 1.5 4.6 propagation delay from input s to output y t pzl t pzh (t en ) v cc =5.00.50v, c l =50pf, r l =500 ? 0.9 3.4 ns v cc =1.80.15v, c l =30pf, r l =1k ? 1.9 12.7 v cc =2.50.20v, c l =30pf, r l =500 ? 1 5.3 v cc =3.30.30v, c l =50pf, r l =500 ? 1.1 4.9 propagation delay from input s to output y t plz t phz (t dis ) v cc =5.00.50v, c l =50pf, r l =500 ? 0.5 3.3 ns ? operating characteristics ( t a =25 c ) parameter symbol test conditions typ unit v cc = 1.8v, f=10mhz 17 v cc = 2.5v, f=10mhz 17 v cc = 3.3v, f=10mhz 18 power dissipation capacitance c pd v cc = 5.0v, f=10mhz 21 pf
u74lvc1g18 preliminary cmos ic unisonic technologies co., ltd 5 of 7 www.unisonic.com.tw qw-r502-559.a ? test circuit and waveforms v load open gnd from output c l r l r l test circuit s1 test s1 t plh /t phl open t plz /t pzl v load t phz /t pzh gnd inputs v cc v in t r , t f v m v load c l r l v 1.8v0.15v 2.5v0.2v 3.3v0.3v 5v0.5v v cc v cc 3v v cc 2ns 2ns 2.5ns 2.5ns v cc /2 v cc /2 1.5v v cc /2 2*v cc 2*v cc 6v 2*v cc 15pf 15pf 15pf 15pf 1m ? 1m ? 1m ? 1m ? 0.15v 0.15v 0.3v 0.3v 1.8v0.15v 2.5v0.2v 3.3v0.3v 5v0.5v v cc v cc 3v v cc 2ns 2ns 2.5ns 2.5ns v cc /2 v cc /2 1.5v v cc /2 2*v cc 2*v cc 6v 2*v cc 30pf 30pf 50pf 50pf 1k ? 500 ? 500 ? 500 ? 0.15v 0.15v 0.3v 0.3v
u74lvc1g18 preliminary cmos ic unisonic technologies co., ltd 6 of 7 www.unisonic.com.tw qw-r502-559.a ? test circuit and waveforms(cont.) v m v m v m v m v in 0v v oh v ol input output t plh t phl t plh t phl v oh v ol output v m v m v m v m v m v in 0v v oh input output t pzh t phz v v ol output v m s1 at gnd s1 at v load 0v load /2 t pzh t plz notes: 1. c l includes probe and jig capacitance. 2. all input pulses are supplied by generator s having the following characteristics: prr 10mhz, z o = 50 ? .
u74lvc1g18 preliminary cmos ic unisonic technologies co., ltd 7 of 7 www.unisonic.com.tw qw-r502-559.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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