1 industrial temperature range idtqs3vh16233 2.5v / 3.3v 32:16 mux/demux high bandwidth bus switch february 2013 2013 integrated device technology, inc. dsc-5882/9 c industrial temperature range functional block diagram description: the qs3vh16233 hotswitch is a 32-bit to 16-bit high bandwidth bus switch, which can multiplex or demultiplex data. the qs3vh16233 has very low on resistance, resulting in under 250ps propagation delay through the switch. this device can be used as two 16-bit to 8-bit multiplexers or as one 32-bit to 16-bit multiplexer. selx inputs control the data flow. testx inputs control either one or two ports connection. in the off and on states, the switches are 5v-tolerant. in the off state, the switches offer very high impedance at the terminals. the combination of near-zero propagation delay, high off impedance, and over-voltage tolerance also makes the qs3vh16233 ideal for high performance communications applications. the qs3vh16233 is characterized for operation from -40 c to +85 c. the idt logo is a registered trademark of integrated device technology, inc. features: ? n channel fet switches with no parasitic diode to vcc ? isolation under power-off conditions ? no dc path to vcc or gnd ? 5v tolerant in off and on state ? 5v tolerant i/os ? low r on - 4 typical ? flat r on characteristics over operating range ? rail-to-rail switching 0 - 5v ? bidirectional dataflow with near-zero delay: no added ground bounce ? excellent r on matching between channels ? vcc operation: 2.3v to 3.6v ? high bandwidth - up to 500 mhz ? lvttl-compatible control inputs ? undershoot clamp diodes on all switch and control inputs ? low i/o capacitance, 4pf typical ? available in tssop package applications: ? hot-swapping ? 10/100 base-t, ethernet lan switch ? low distortion analog switch ? replaces mechanical relay ? atm 25/155 switching idtqs3vh16233 quickswitch ? products 2.5v / 3.3v 32:16 mux/demux high bandwidth bus switch test 1 sel 1 xa one of eight channels xb 2 xb 1 x = 1 through 8 test 2 sel 2 xa one of eight channels xb 2 xb 1 x = 9 through 16
2 industrial temperature range idtqs3vh16233 2.5v / 3.3v 32:16 mux/demux high bandwidth bus switch absolute maximum ratings (1) symbol description max. unit v term (2) supply voltage to ground ? 0.5 to 4.6 v v term (3) dc switch voltage v s ? 0.5 to 5.5 v v term (3) dc input voltage v in ? 0.5 to 5.5 v v ac ac input voltage (pulse width 20ns) ? 3 v i out dc output current (max. current/pin) 120 ma t stg storage temperature -65 to +150 c notes: 1. stresses greater than those listed under absolute maximum ratings may cause permanent damage to the device. this is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. exposure to absolute maximum rating conditions for extended periods may affect reliability. 2. v cc terminals. 3. all terminals except v cc . pin configuration tssop top view pin description pin names i/o description x a i/o bus a x b x i/o bus b selx i data select testx i port select gnd 56 1 1 a 1 b 1 55 2 2 b 11 b 2 54 3 2 b 22 a 47 37 38 39 40 41 42 43 44 45 46 33 34 35 36 49 50 51 52 53 48 4 5 6 7 8 9 10 12 13 14 15 16 17 18 19 20 11 21 22 23 24 29 30 31 32 25 26 27 28 3 a test 1 vcc test 2 sel 1 sel 2 gnd vcc 4 b 1 4 b 2 5 a 6 b 1 6 b 2 7 a 8 b 1 9 a 10 b 1 10 b 2 11 a 12 b 1 12 b 2 13 a 14 b 1 14 b 2 15 a 16 b 1 8 b 2 16 b 2 10 a 11 b 1 11 b 2 12 a 13 b 1 13 b 2 14 a 15 b 1 15 b 2 16 a 9 b 1 9 b 2 3 b 1 3 b 2 4 a 5 b 1 5 b 2 6 a 7 b 1 7 b 2 8 a note: 1. this parameter is guaranteed but not production tested. capacitance (t a = +25 o c, f = 1mhz, v in = 0v, v out = 0v) symbol parameter (1) typ. max. unit c in control inputs 3 5 pf c i/o quickswitch channels mux 8 12 pf (switch off) demux 4 6 c i/o quickswitch channels mux 16 24 pf (switch on) demux 8 12 note: 1. h = high voltage level l = low voltage level x = don't care function table (1) selx testx xa function llxb 1 xa to xb 1 hlxb 2 xa to xb 2 xhxb 1, xb 2 xa to xb 1 and xb 2
3 industrial temperature range idtqs3vh16233 2.5v / 3.3v 32:16 mux/demux high bandwidth bus switch dc electrical characteristics over operating range (1) following conditions apply unless otherwise specified: industrial: t a = ?40c to +85c, v cc = 3.3v 0.3v symbol parameter test conditions min. typ. (1) max. unit v ih input high voltage guaranteed logic high v cc = 2.3v to 2.7v 1.7 ? ? v for control inputs v cc = 2.7v to 3.6v 2 ? ? v il input low voltage guaranteed logic high v cc = 2.3v to 2.7v ? ? 0.7 v for control inputs v cc = 2.7v to 3.6v ? ? 0.8 i in input leakage current (control inputs) 0v v in v cc ??1 a i oz off-state current (hi-z) 0v v out 5v, switches off ? ? 1 a i off data input/output power off leakage v in or v out 0v to 5v, v cc = 0v ? ? 1 a v cc = 2.3v v in = 0v i on = 30ma ? 6 8 r on switch on resistance (typ. at v cc = 2.5v) v in = 1.7v i on = 15ma ? 7 9 v cc = 3v v in = 0v i on = 30ma ? 4 6 v in = 2.4v i on = 15ma ? 5 8 note: 1. typical values are at v cc = 3.3v and t a = 25c, unless otherwise noted. typical on resistance vs v in at v cc = 3.3v r on (ohms) v in (volts) 16 14 12 10 8 6 4 2 0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 5.0 4.5
4 industrial temperature range idtqs3vh16233 2.5v / 3.3v 32:16 mux/demux high bandwidth bus switch power supply characteristics symbol parameter test conditions (1) min. typ. max. unit i ccq quiescent power supply current v cc = max., v in = gnd or v cc , f = 0 ? 1.5 3 ma i cc power supply current (2,3) per input high v cc = max., v in = 3v, f = 0 per control input ? ? 30 a i ccd dynamic power supply current (4) v cc = 3.3v, a and b pins open, control inputs see typical i ccd vs enable frequency graph below toggling @ 50% duty cycle notes: 1. for conditions shown as min. or max., use the appropriate values specified under dc electrical characteristics. 2. per input driven at the specified level. a and b pins do not contribute to icc. 3. this parameter is guaranteed but not tested. 4. this parameter represents the current required to switch internal capacitance at the specified frequency. the a and b inputs do not contribute to the dynamic power supply current. this parameter is guaranteed but not production tested. typical i ccd vs enable frequency curve at v cc = 3.3v i ccd (ma) enable frequency (mhz) 0 2 4 6 8 10 12 14 16 18 20 02468101214161820
5 industrial temperature range idtqs3vh16233 2.5v / 3.3v 32:16 mux/demux high bandwidth bus switch switching characteristics over operating range t a = -40c to +85c v cc = 2.5 0.2v (1) v cc = 3.3 0.3v (1) symbol parameter min . (4) max. min . (4) max. unit t plh data propagation delay (2,3) ? 0.2 ? 0.2 ns t phl a to b or b to a t bx switch multiplex delay 1.5 9 1.5 7.5 ns sel to xa t pzh switch turn-on delay 1.5 9 1.5 8 ns t pzl sel to xbx t phz switch turn-off delay 1.5 7.5 1.5 7.5 ns t plz sel to xbx t pzh switch turn-on delay 1.5 8.5 1.5 9 ns t pzl test to xbx t phz switch turn-off delay 1.5 8.5 1.5 8.5 ns t plz test to xbx f sx operating frequency - enable (2,5) ? 7.5 ? 15 mhz notes: 1. see test conditions under test circuits and waveforms. 2. this parameter is guaranteed but not production tested. 3. the bus switch contributes no propagation delay other than the rc delay of the on resistance of the switch and the load capac itance. the time constant for the switch alone is of the order of 0.2ns at c l = 50pf. since this time constant is much smaller than the rise and fall times of typical driving signals, it adds very little propagation delay to the system. propagation delay of the bus switch, when used in a system, is determined by the driving circuit on the driving side o f the switch and its interaction with the load on the driven side. 4. minimums are guaranteed but not production tested. 5. maximum toggle frequency for sx control input (pass voltage > v cc , v in = 5v, r load > 1m , no c load ).
6 industrial temperature range idtqs3vh16233 2.5v / 3.3v 32:16 mux/demux high bandwidth bus switch phy 3vh switch 4.5v pp logic side z = 100 w 10mbps to 100mbps 2v pp 4.5v pp logic side z = 100 w twisted pair >100m charge pump oe vcc = 3.3v 0 to +5v nfet +6.5v driver 0 to +5v single hot switch card i/o on card logic connector qs3vhxxx cpu ram bus card i/o on card logic connector qs3vhxxx pluggable card/ live system zero down time system rail-to-rail switching some applications for hotswitch products fast ethernet data switching (lan switch) hot swapping
7 industrial temperature range idtqs3vh16233 2.5v / 3.3v 32:16 mux/demux high bandwidth bus switch open v load gnd v cc pulse generator d.u.t. 500 500 c l r t v in v out (1, 2) same phase input transition opposite phase input transition 0v 0v v oh v ol t plh t phl t phl t plh output v ih v t v t v ih v t control input t plz 0v output normally low t pzh 0v switch closed output normally high enable disable switch open t phz 0v v ol + v lz v oh v t v t t pzl v load/2 v load/2 v ih v t v ol v oh - v hz test circuits and waveforms enable and disable times note: 1. diagram shown for input control enable-low and input control disable-high. propagation delay test circuits for all outputs definitions: c l = load capacitance: includes jig and probe capacitance. r t = termination resistance: should be equal to z out of the pulse generator. notes: 1. pulse generator for all pulses: rate 1.0mhz; t f 2.5ns; t r 2.5ns. 2. pulse generator for all pulses: rate 1.0mhz; t f 2ns; t r 2ns. switch position test switch t plz / t pzl v load t phz/ t pzh gnd t pd open test conditions symbol v cc (1) = 3.3v 0.3v v cc (2) = 2.5v 0.2v unit v load 6 2 x vcc v v ih 3 vcc v v t 1.5 v cc /2 v v lz 300 150 mv v hz 300 150 mv c l 50 30 pf
8 industrial temperature range idtqs3vh16233 2.5v / 3.3v 32:16 mux/demux high bandwidth bus switch ordering information qs xxxxx xx package device type 3vh16233 2.5v / 3.3v 32:16 mux / demux high bandwidth switch pag thin shrink small outline package - tssop green x blank 8 tube or tray tape and reel corporate headquarters for sales: for tech support: 6024 silver creek valley road 800-345-7015 or 408-284-8200 logichelp@idt.com san jose, ca 95138 fax: 408-284-2775 www.idt.com datasheet document history 02/15/13 pg. 1, 8 updated the ordering information by removing non green package version, the ?idt? notation and adding tape and reel information.
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