unisonic technologies co., ltd u74lvc563 cmos ic www.unisonic.com.tw 1 of 6 copyright ? 2011 unisonic technologies co., ltd qw-r502-681.a octal transparent d-type latches with 3-state outputs ? description the u74lvc563 is a octal transparent d-type latches with 3-state outputs. when the latch-e nable (le) is high, the q outputs follow the complements of the d inputs. when le is low, the q outputs are latched at the inverses of the levels set up at the d inputs. when the output-enable ( oe ) input is high, the q outputs are in a high-impedance state, and the outputs neither load nor drive the bus lines. the high-impedance state and increased dr ive provide the capability to drive bus lines without interface or pull-up components. while the outputs are in the high-impedance state, old data can be retained or new data can be entered, i.e. oe does not affect the internal op erations of the latches. when oe is low, the q outputs are in a normal logic state (high or low levels). the u74lvc563 is designed for 1.65v to 3. 6v operation. inputs can be driven from either 3.3v or 5v devices, so the u74lvc563 can be used in a mixed 3.3v/5v system environment. to ensure the high-impedance state during power up or power down, oe should be tied to v cc through a pull-up resistor; the minimum value of the resistor is determined by the cu rrent-sinking capability of the driver. ? features * wide supply voltage range from 1.65v to 3.6v * max t pd of 6.8 ns from d to q at 3.3v * max t pd of 7.6 ns from le to q at 3.3v * up to 5.5v inputs accept voltages * low power consumption, i cc = 10 a (max.) at 3.6v * 24ma output driver at 3v * i off supports partial-power-down mode operation ? ordering information ordering number package packing lead free halogen free U74LVC563L-P20-R u74lvc563g-p20-r tssop-20 tape reel u74lvc563l-p20-t u74lvc563g-p20-t tssop-20 tube
u74lvc563 cmos ic unisonic technologies co., ltd 2 of 6 www.unisonic.com.tw qw-r502-681.a ? pin configuration ? function table (each latch) inputs output oe le d q l l l h h h l x h l x x l h 0 q z ? logic diagram (positive logic)
u74lvc563 cmos ic unisonic technologies co., ltd 3 of 6 www.unisonic.com.tw qw-r502-681.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 storage temperature t stg -65 ~ +150 c note: 1. the input and output voltage ratings may be exceeded if the input and output current ratings are observed. 2. absolute maximum ratings are those values be yond which the device could be permanently damaged. absolute maximum ratings are stress ratings only and functional device operation is not implied. ? recommended operating comditions parameter symbol conditions min max unit supply voltage v cc operating 1.65 3.6 v data retention only 1.5 high-level input voltage v ih v cc = 1.65v to 1.95v 0.65* v cc v v cc = 2.3v to 2.7v 1.7 v cc = 2.7v to 3.6v 2 low-level input voltage v il v cc = 1.65v to 1.95v 0.35* v cc v v cc = 2.3v to 2.7v 0.7 v cc = 2.7v to 3.6v 0.8 input voltage v in 0 5.5 v output voltage v out high or low state 0 v cc v 3 state 0 5.5 high-level output current i oh v cc =1.65v -4 ma v cc =2.3v -8 v cc =2.7v -12 v cc =3v -24 low-level output current i ol v cc =1.65v 4 ma v cc =2.3v 8 v cc =2.7v 12 v cc =3v 24 input transition rise or fall rate t/ v 0 10 ns/v operating temperature t a -40 85 c
u74lvc563 cmos ic unisonic technologies co., ltd 4 of 6 www.unisonic.com.tw qw-r502-681.a ? electrical characteristics ( t a =25 c , unless otherwise specified) parameter symbol test conditions min typ max unit high-level output voltage v oh 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 i oh = -8ma, v cc = 2.3v 1.7 i oh = -12ma, v cc = 2.7v 2.2 i oh = -12ma, v cc = 3v 2.4 i oh = -24ma, v cc = 3v 2.2 low-level output voltage v ol i ol = 100 a, v cc = 1.65v to 3.6v 0.2 v i ol = 4ma, v cc = 1.65v 0.45 i ol = 8ma, v cc = 2.3v 0.7 i ol = 12ma, v cc = 2.7v 0.4 i ol = 24ma, v cc = 3v 0.55 input leakage current (d, le, or oe inputs) i i(leak) v in = 0 to 5.5v, v cc = 3.6v 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 i out = 0, v cc =3.6v v in = v cc or gnd, 10 a v in =3.6v to 5.5v ,in disabled state 10 a dditional quiescent supply current i cc one input at v cc - 0.6v,v cc =2.7v to 3.6v, other inputs at v cc or gnd 500 a input capacitance c in v in = v cc or gnd, v cc =3.3v (note 1) 4 pf output capacitance c out v out = v cc or gnd, v cc =3.3v (note 1) 5.5 pf note: 1. all typical values are at v cc = 3.3 v, t a = 25 c. ? timing requirements ( t a =25 c ) parameter symbol test conditions min max unit pulse duration, le high t w v cc = 2.7v 3.3 ns v cc = 3.3v0.3v 3.3 setup time, data before le t su v cc = 2.7v 2 ns v cc = 3.3v0.3v 2 hold time, data after le t h v cc = 2.7v 1.5 ns v cc = 3.3v0.3v 1.5 ? switching characteristics (t a =25c) parameter symbol test conditions min max unit propagation delay from input d to output q t plh /t phl (t pd ) v cc =2.7v, c l =50pf, r l =500 ? 7.8 ns v cc =3.30.3v, c l =50pf, r l =500 ? 1.5 6.8 propagation delay from input le to output q t plh /t phl (t pd ) v cc =2.7v, c l =50pf, r l =500 ? 8.2 ns v cc =3.30.3v, c l =50pf, r l =500 ? 2 7.6 propagation delay from input oe to output q t pzl /t pzh (t en ) v cc =2.7v, c l =50pf, r l =500 ? 8.7 ns v cc =3.30.3v, c l =50pf, r l =500 ? 1.5 7.7 propagation delay from input oe to output q t plz /t phz (t dis ) v cc =2.7v, c l =50pf, r l =500 ? 7.6 ns v cc =3.30.3v, c l =50pf, r l =500 ? 1.5 7 ? operating characteristics ( t a =25 c ) parameter symbol test conditions typ unit power dissipation capacitance c pd oe = 0, f=10mhz, outputs enabled 46 pf oe = 1, f=10mhz, outputs disabled 3
u74lvc563 cmos ic unisonic technologies co., ltd 5 of 6 www.unisonic.com.tw qw-r502-681.a ? test circuit and waveforms test s1 t plh /t phl open t plz /t pzl v load t phz /t pzh gnd v cc inputs v m v load c l r l v v in t r , t f 2.7v v cc 2.5ns 1.5v 6v 50pf 500 ? 3.3v0.3v v cc 2.5ns 1.5v 6v 50pf 500 ? 0.3v
u74lvc563 cmos ic unisonic technologies co., ltd 6 of 6 www.unisonic.com.tw qw-r502-681.a ? test circuit and waveforms(cont.) v m v m v m v m v in 0v v oh v ol voltage waveforms propagation delay times 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 t plz t pzl v load /2 v ol output v m s1 at open s1 at v load v oh -v voltage waveforms enable and disable times 0v v ol +v notes: 1. c l includes probe and jig capacitance. 2. all input pulses are supplied by generators having the following characteristics: p rr 10mhz, z o = 50 ? . 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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