unisonic technologies co., ltd U74CBT3306 advance cmos ic www.unisonic.com.tw 1 of 4 copyright ? 2013 unisonic technologies co., ltd qw-r502-941.a dual fet bus switch ? description the U74CBT3306 dual fet bus switch features independent line switches. each switch is disabled w hen the associated output-enable ( oe ) input is high. ? features * 5- ? switch connection between two ports * ttl-compatible input levels ? ordering information ordering number package packing lead free halogen free U74CBT3306l-s08-t U74CBT3306g-s08-t sop-8 tube U74CBT3306l-s08-r U74CBT3306g-s08-r sop-8 reel tape U74CBT3306l-p08-r U74CBT3306g-p08-r tssop-8 reel tape U74CBT3306l-s08-t (1)packing type (2)package type (1) t: tube, r: tape reel (2) s08: sop-8, p08: tssop-8 (3) l: lead free, g: halogen free (3)halogen free
U74CBT3306 advance cmos ic unisonic technologies co., ltd 2 of 4 www.unisonic.com.tw qw-r502-941.a ? pin configuration ? function table input function oe l a port = b port h disconnect ? logic diagram 23 1a 1b 1oe 1 56 2a 2b 2oe 7
U74CBT3306 advance cmos ic unisonic technologies co., ltd 3 of 4 www.unisonic.com.tw qw-r502-941.a ? absolute maximum rating (t a =25c, unless otherwise specified) parameter symbol ratings unit supply voltage v cc -0.5 ~ 7 v input voltage range(see note 1) v in -0.5 ~ 7 v input clamp current i ik -50 ma continuous channel current 128 ma storage temperature range t stg -65~+150 c notes: 1. the input and output negative-vo ltage ratings may be exceeded i f the input and output clamp-current ratings are observed. 2. the package thermal impedance is calculated in accordance with jesd 51-7. ? thermal data parameter symbol ratings unit junction to ambient sop-8 ja 97 c/w tssop-8 149 c/w ? recommended operating conditions parameter symbol min typ max unit supply voltage v cc 4 5.5 v high-level control input voltage v ih 2 v low-level control input voltage v il 0.8 v operating temperature t a -40 85 c ? electrical characteristics (t a =25c, unless otherwise specified) parameter symbol test conditions min typ max unit control input clamp voltage v ik v cc =4.5v, i in =-18ma -1.2 v input leakage current i i ( leak ) v cc =5.5v, v in =v cc or gnd 1a quiescent supply current i cc v cc= 5.5v, i out =0, v in =v cc or gnd 3 a additional quiescent supply current ? i cc v cc =5.5v, one input at 3.4v, other inputs at v cc or gnd 2.5 ma control input capacitance c in v in =3v or 0 3 pf input capacitance c io(off) v out =3v or 0, oe =v cc 4 pf on-resistance r on v cc =4v, v in =2.4v,i out =-15ma 14 20 ? v cc =4.5v, v in =0 i out =64ma 5 7 ? i out =30ma 5 7 ? v cc =4.5v, v in =2.4v i out =-15ma 10 15 ? ? switching characteristics (c l =50 p f, r l =500 ? . see test circuit and waveforms) parameter symbol test conditions min typ max unit from input (a or b) to output (b or a) (note) t pd v cc =4v 0.35 ns v cc =5v0.5v 0.25 ns from input oe to output (a or b) t en v cc =4v 5.6 ns v cc =5v0.5v 1.8 5 ns from input oe to output (a or b) t dis v cc =4v 4.6 ns v cc =5v0.5v 1 4.3 ns note: the propagation delay is the calculat ed rc time constant of the typical on -state resistance of the switch and the specified load capacitance, when driven by an ideal voltage source (zero output impedance).
U74CBT3306 advance cmos ic unisonic technologies co., ltd 4 of 4 www.unisonic.com.tw qw-r502-941.a ? test circuit and waveforms test v cc v i t r / t f v ? v ext c l r l t plh /t phl 4v v cc or gnd 2.5ns open 50pf 500 ? 5v0.5v v cc or gnd 2.5ns open 50pf 500 ? t plz /t pzl 4v gnd 2.5ns 0.3v 7v 50pf 500 ? 5v0.5v gnd 2.5ns 0.3v 7v 50pf 500 ? t phz /t pzh 4v v cc 2.5ns 0.3v open 50pf 500 ? 5v0.5v v cc 2.5ns 0.3v open 50pf 500 ? propagation delay times enable and disable times 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 ? , tr 2.5ns, tf 2.5 ns. 3. the outputs are measured one at a ti me with one transition per measurement. 4. t plz and t phz are the same as tdis. 5. t pzl and t pzh are the same as ten. 6. t plh and t phl are the same as tpd(s). 7. all parameters and waveforms are not applicable to all devices. 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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