october 2010 ? 2004 fairchild semiconductor corporation www.fairchildsemi.com fsav331 ? rev. 1.0.2 fav331 ? dual channel, 4:1 video switch fsav331 ? dual-channel, 4:1 video switch features ? wide bandwidth: 300mhz ? -73db non-adjacent channel crosstalk at 10mhz ? -56db off isolation at 10mhz ? on resistance: 3 (typical) ? low power consumption: 3a (maximum) ? control inputs compatible with ttl level applications ? y/c video or cvbs video switch in lcd, plasma, and projector displays description the fairchild video switch fsav331 is a dual 4:1 high speed video switch which can be configured as either multiplexer or demultiplexer. low on-resistance allows inputs to be connected to outputs without adding propagation delay or generating additional ground bounce noise. when the oe pin is low, s 0 and s 1 connect the a port to the selected b port output. when the oe pin is high, the switch is open and a high-impedance state exists between the two ports. ordering information part number operating temperature range package packing method fsav331mtcx -40 to +85c 16-lead, thin shrink small outline package (tssop), jedec mo-153, 4.4mm wide tape and reel
? 2004 fairchild semiconductor corporation www.fairchildsemi.com fsav331 ? rev. 1.0.2 2 fsav331 ? dual-channel, 4:1 video switch pin configurations figure 1. logic diagram figure 2. pin assignments pin descriptions pin # name description 1, 15 /oe 1 , /oe 2 port enable 2, 14 s 1 , s 0 select input 3, 4, 5, 6 1b 4 , 1b 3, 1b 2 , 1b 1 b-ports (channel 1) 7, 9 1a, 2a a-ports 8 gnd ground 10, 11, 12, 13 2b 1 , 2b 2 , 2b 3 , 2b 4 b-ports (channel 2) 16 v cc supply voltage truth table s 1 s 0 /oe 1 /oe 2 function don?t care don?t care high don?t care disconnect 1a don?t care don?t care don?t care high disconnect 2a low low low low a=b 1 low high low low a=b 2 high low low low a=b 3 high high low low a=b 4
? 2004 fairchild semiconductor corporation www.fairchildsemi.com fsav331 ? rev. 1.0.2 3 fsav331 ? dual-channel, 4:1 video switch absolute maximum ratings stresses exceeding the absolute maximum ratings may damage the device. the device may not function or be operable above the recommended operating conditions and stressing the parts to these levels is not recommended. in addition, extended exposure to stresses above the recommended operating conditions may affect device reliability. the absolute maximum ratings are stress ratings only. symbol parameter min. max. unit v cc supply voltage -0.5 +7.0 v v s dc switch voltage -0.5 v cc +0.5 v v in dc input voltage (1) -0.5 +7.0 v i ik dc input diode current -50 ma i out dc output current 128 ma t stg storage temperature range -65 +150 c esd human body model, jesd22-a114 2000 v note : 1. the input and output negative voltage ratings may be ex ceeded if the input and output diode current ratings are observed. recommended operating conditions the recommended operating conditions table defines the conditions for actual device operation. recommended operating conditions are specified to ens ure optimal performance to the datasheet specifications. fairchild does not recommend exceeding them or designing to absolute maximum ratings. symbol parameter min. max. unit v cc power supply 4.75 5.25 v v in control input voltage 0 v cc v v sw switch input voltage 0 v cc v t a operating temperature, free air -40 +85 c ja thermal resistance 100 c/w note : 2. unused control inputs must be held high or low; they may not float. dc electrical characteristics typical values are at v cc =5.0v and t a = +25c. symbol parameter conditions v cc (v) t a = -40 to +85c units min. typ. max. v analog analog signal range 4.75 to 5.25 0 2 v v ik clamp diode voltage i in =-18ma 4.75 -1.2 v v ih high-level input voltage 4.75 to 5.25 2.0 v v il low-level input voltage 4.75 to 5.25 0.8 v i in control input leakage v in =0v to v cc 5.25 1.0 a i oz off-state leakage current 0 a, b v cc 5.25 1.0 a r on switch on resistance (3) v in =1.0v, i on =13ma 4.75 3 7 v in =2.0v, i on =26ma 4.75 5 10 i cc quiescent supply current v in =0v or v cc , i out =0 5.25 3 a note : 3. measured by the voltage drop between the a and b pins at the indicated current through the switch. on resistance is determined by the lower of the voltages on the a or b pins.
? 2004 fairchild semiconductor corporation www.fairchildsemi.com fsav331 ? rev. 1.0.2 4 fsav331 ? dual-channel, 4:1 video switch ac electrical characteristics typical values are at t a =+25c and v cc =5.0v symbol parameter conditions v cc (v) t a = -40 to +85c units figure min. typ. max. t on turn on time; s to b v i =7v for t pzl v i =open for t pzh 4.75 to 5.25 1.0 5.3 ns figure 3, figure 4 output enable time oe to a or b 1.0 5.3 t off turn off time; s to b v i =7v for t plz v i =open for t phz 4.75 to 5.25 1.0 5.8 ns figure 3, figure 4 output disable time oe to a or b 1.0 5.5 t plh , t phl propagation delay (4) v i =open 4.75 to 5.25 0.1 ns select to a delay 5.0 d g differential gain (5) r l =150 , f=3.58mhz 4.75 to 5.25 0.26 % d p differential phase (5) r l =150 , f=3.58mhz 4.75 to 5.25 0.23 o irr non adjacent off isolation r l =150 , f=10mhz 4.75 to 5.25 -56.0 db figure 5 x talk non adjacent channel crosstalk (5) r l =150 , f=10mhz 4.75 to 5.25 -73.0 db figure 6 b w -3db bandwidth (5) r l =50 4.75 to 5.25 300 mhz figure 7 note: 4. this parameter is guaranteed by design. 5. this parameter is guaranteed by device characterization, not production tested. capacitance typical values are at t a =+25c. symbol parameter conditions typ. units c in control pin input capacitance v cc =5.0v 2 pf c on a/b on capacitance v cc =5.0v, /oe=0v 39 pf c off a port off capacitance v cc , /oe=5.0v 13 pf b port 5
? 2004 fairchild semiconductor corporation www.fairchildsemi.com fsav331 ? rev. 1.0.2 5 fsav331 ? dual channel, 4:1 video switch ac loadings and waveforms notes: 6. input drive by 50 source terminated in 50 . 7. c l includes load and stray capacitance. 8. input prr=1.0mhz, t w =500ns. figure 3. ac test circuit figure 4. ac waveforms figure 5. off isolation figure 6. crosstalk figure 7. bandwidth
? 2004 fairchild semiconductor corporation www.fairchildsemi.com fsav331 ? rev. 1.0.2 6 fsav331 ? dual channel, 4:1 video switch physical dimensions 0.65 4.40.1 mtc16rev4 0.11 4.55 5.00 5.000.10 12 7.35 4.45 1.45 5.90 figure 8. 16-lead, thin shrink small outline package (tssop), jedec mo-153, 4.4mm wide package drawings are provided as a service to customers considering fairchild components. drawings may change in any manner without notice. please note the revision and/or date on the drawing and contact a fairchild semiconductor representative to ver ify or obtain the most recent revision. package specifications do not expand the terms of fairchild?s worldwide terms and condition s, specifically the warranty therein, which covers fairchild products. always visit fairchild semiconductor?s online packaging area for the most recent package drawings: http://www.fairchildsemi.com/packaging/
? 2004 fairchild semiconductor corporation www.fairchildsemi.com fsav331 ? rev. 1.0.2 7 fsav331 ? dual channel, 4:1 video switch
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