unisonic technologies co., ltd U74LVC00A cmos ic www.unisonic.com.tw 1 of 5 copyright ? 2010 unisonic technologies co., ltd qw-r502-421.a quad 2-input nand gate ? description the U74LVC00A is a quad 2-input nand gate which performs the function ? y=a b or + y=a b in positive logic circuit. this device has power-down protective circuit to prevent the device from destruction when it is powered down. ? features * operate from 1.5v to 3.6v * inputs accept voltages to 5.5v * high noise immunity * low power dissipation * max t pd of 5 ns at 3.3v ? ordering information ordering number package packing U74LVC00Ag-p14-r tssop-14 tape reel
U74LVC00A cmos ic unisonic technologies co., ltd 2 of 5 www.unisonic.com.tw qw-r502-421.a ? pin configuration 1a 1b 1y 2a 2b 2y gnd v cc 4b 4a 4y 3b 3a 3y 1 2 3 4 5 6 7 14 13 12 11 10 9 8 ? function table input(na) input(nb) output(ny) h h l h l h l h h l l h note: h: high voltage level; l: low voltage level. ? logic diagram (positive logic) logic symbol iec logic symbol
U74LVC00A cmos ic unisonic technologies co., ltd 3 of 5 www.unisonic.com.tw qw-r502-421.a ? 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 v out -0.5 ~ v cc +0.5 v v cc or gnd current (output in the power-off state ) 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 or v out >v cc ) i ok -50 ma power dissipation p d 500 mw storage temperature t stg -65 ~ +150 c note: absolute maximum ratings are those values beyond which the device could be permanently damaged. absolute maximum ratings are stress ratings only and functional device operation is not implied. ? recommended operating conditions parameter symbol test conditions min typ max unit supply voltage v cc operating 1.65 3.6 v v cc =1.65v to 1.95v 0.65*v cc v cc =2.3v to 2.7v 1.7 high-level input voltage v ih v cc =2.7v to 3.6v 2 v v cc =1.65v to 1.95v 0.35*v cc v cc =2.3v to 2.7v 0.7 low-level input voltage v il v cc =2.7v to 3.6v 0.8 v input voltage v in 0 5.5 v output voltage v out 0 v cc v operating ambient temperature t a -40 85 c ? electrical characteristics (t a =25c , unless otherwise specified) parameter symbol test conditions min typ max unit i oh =-100 a v cc : 1.65v to 3.6v v cc -0.2 v i oh =-4ma v cc =1.65v 1.2 v i oh =-8ma v cc =2.3v 1.7 v v cc =2.7v 2.2 i oh =-12ma v cc =3v 2.4 v high-level output voltage v oh i oh =-24ma v cc =3.0v 2.2 v i ol =100 a v cc :1.65v to 3.6v 0.2 v i oh =4ma v cc =1.65v 0.45 i oh =8ma v cc =2.3v 0.7 i ol =12ma v cc =2.7v 0.4 v low-level output voltage v ol i ol =24ma v cc =3.0v 0.55 v input leakage current i i(leak) v in =5.5v or gnd, v cc =3.6v 5 a quiescent supply current i q v in =v cc or gnd, i out =0, v cc =3.6v 10 a additional quiescent supply current per input pin i q v cc =2.7 ~ 3.6v, one input at v cc -0.6v, other inputs at v cc or gnd, i out =0 500 a input capacitance c in v in =v cc or gnd 5 pf ? switching characteristics (t a =25 ) parameter symbol test conditions min typ max unit v cc =2.7v, r l =500 ? 5.1 ns propagation delay from input (na or nb) to output(ny) t pd v cc =3.30.3v, r l =500 ? c l =50pf 1 4.3 ns ? operating characteristics (t a =25 ) parameter symbol test conditions typ unit power dissipation capacitance c pd v cc =3.3v0.3v, c l =50pf,f=10mhz 9.5 pf
U74LVC00A cmos ic unisonic technologies co., ltd 4 of 5 www.unisonic.com.tw qw-r502-421.a ? test circuit and waveforms from output c l r l note: c l includes probe and jig capacitance. all input pulses are supplied by generators having the following characteristics: prr 10mhz, zo = 50 ? . inputs v cc v in t r / t f v m c l r l 1.8v0.15v v cc 2ns v cc /2 30pf 1k ? 2.5v0.2v v cc 2ns v cc /2 30pf 500 ? 2.7v 2.7v 2.5ns 1.5v 50pf 500 ? 3.3v0.3v 2.7v 2.5ns 1.5v 50pf 500 ?
U74LVC00A cmos ic unisonic technologies co., ltd 5 of 5 www.unisonic.com.tw qw-r502-421.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.
|
