1 ps8962b 10/21/08 features ? cmos technology for analog applications ? low-swing control inputs ? low on-resistance ? wide v dd range: 1.8v to 3.3v ? rail-to-rail signal range ? near zero propagation delay ? fast switching speed ? ultra-low quiescent power ? high off isolation: -95db @ 100khz ? crosstalk re jec tion reduces signal distortion: -90db @ 100khz ? packaging (pb-free & green): ?12-contact tqfn (3.03.0) ?10-contact tqfn (1.61.3) ?12-contact tdfn (3.03.5) pi3a114-a low?voltage, 4:1 mux/demux with low-swing control inputs description pericom semiconductor's pi3a114-a is a one-to-four bidirectional multiplier-demultiplier. speci ed over a wide operating power supply voltage of 1.8 to 3.3v, the pi3a114-a offer good signal linearity. the pi3a114-a offers low-swing input voltage on the en, s1 and s0 inputs allowing the device to operate at 3.3v, and pass 3.3v channel data, while being controlled from a 1.8v device. functional block diagram a y e sw a0 en s0 s1 a1 a2 a3 y sw sw sw sw pin con guration (top view) 3 4 9 10 v dd a0 s0 a3 5 6 7 8 nc en a2 a1 1 2 11 12 si gnd y nc truth table (1) enable select function en s 1 s 0 l x x y=a x , hi-z h l l y = a 0 ; a 1, a 2, a 3 = hi-z h l h y = a 1 ; a 0, a 2, a 3 = hi-z h h l y = a 2 ; a 0, a 1, a 3 = hi-z h h h y = a 3 ; a 0, a 1, a 2 = hi-z pin description pin name description a n data i/o s 0-1 select inputs en enable y data i/o common gnd ground v dd power 12-pin tqfn 10 1 5 a1 y a2 2 3 4 a3 a0 s0 v dd 8 9 6 7 s1 en gnd 10-pin tqfn 08-0231
2 ps8962b 10/21/08 pi3a114-a low-voltage, 4:1 mux/demux with low-swing control inputs recommended operating conditions (3) supply voltage operating (v dd ) . . . . . . . . . .1.8v to 3.3v 5% control input voltage (v in ) . . . . . . . . . . . . . . . . . . . .0v to v dd switch input voltage (v input ) . . . . . . . . . . . . . . . -0.3v to v dd operating temperature (t a ) . . . . . . . . . . . . . . . ?40c to +85c input rise and fall time (t r ,t f ) control input v dd = 2.3v - 3.6v . . . . . . . . 0ns/v to 10ns/v thermal resistance ( ja ) . . . . . . . . . . . . . . . . . . . . . . . 350c/w absolute maximum ratings (1) supply voltage v dd ........................................... ?0.5v to 4.6v control input voltage (vinx) ...................................... 0v to 5v dc input voltage (v input ) (2) ............................ ?0.5v to 4.6v continuous current no_nc_com_ .............................. 300ma peak current no_nc_com_ (pulsed at 1ms 50% duty cycle) ............................... 400ma peak current no_nc_com_ (pulsed at 1ms 10% duty cycle) ............................... 500ma storage temperature range (t stg ) .............. ?65c to +150c junction temperature under bias (t j ) .............................150c junction lead temperature (t l ) (soldering, 10 seconds) ................................................260c power dissipation (p d ) @ +85c .................................. 250mw notes: 1. "absolute max i mum ratings? may cause permanent damage to the device. this is a stress only rating and operation of the device at these or any other conditions beyond those indicated in the operational sections of this spec i ca tion is not implied. 2. the input and output negative voltage ratings may be exceeded if the input and output diode current ratings are observed. 3. control input must be held high or low; it must not oat. 08-0231
3 ps8962b 10/21/08 pi3a114-a low-voltage, 4:1 mux/demux with low-swing control inputs power supply characteristics +1.8v supply parameters de scrip tion test conditions (1) min. typ. (2) max. units i cc quiescent power supply current v dd = max. v in = gnd or v dd 0.1 9.0 a notes: 1. control inputs only; a and y pins do not contribute to i cc . 2. typical values are at v dd = 1.8v, t a = 25c ambient and maximum loading. 3. for max. or min. conditions, use appropriate value speci ed under electrical characteristics for the applicable device. dc electrical characteristics +1.8v supply (v dd = 1.8v, t a = ?40 c to 85 c, unless otherwise noted.) parameter description test conditions min. typ. (2) max. units analog switch y, ax analog signal range -0.3 v dd v r on on-resistance i y = 100ma, v in = 0 to v dd 9 ?r on on-resistance match between channels i y = 100ma, v in = 0.5v dd 0.6 r onf on-resistance flatness i y = 100ma, v in = 0 to v dd 5 thd total harmonic distortion load = 100k , v in = 0.5v dd , frequency = 20hz to 20khz 0.03 % control inputs (1) v ih input high voltage guaranteed logic high level 1.5 v v il input low voltage guaranteed logic low level ?0.5 0.8 i ih input high current v dd = max., v in = v dd 1 a i il input low current v dd = max., v in = gnd 1 i ozh high impedance output current 0 i n , y n v dd 1 v ik clamp diode voltage v dd = min., i in = ?18ma ?1.2 v notes: 1. for digital control inputs en, s0, s1. 2. typical values are at v dd = 1.8v, t a = 25c ambient and maximum loading. 3. for max. or min. conditions, use appropriate value speci ed under electrical characteristics for the applicable device type. 4. measured by the voltage drop between a and y pin at indicated current through the switch. on-resistance is de ter mined by the lower of the voltages on the two (i,y) pins. 08-0231
4 ps8962b 10/21/08 pi3a114-a low-voltage, 4:1 mux/demux with low-swing control inputs dc electrical characteristics +3.3v supply (v dd = 3.3v, t a = ?40 c to 85 c, unless otherwise noted.) notes: 1. for digital control inputs en, s0, s1. 2. for max. or min. conditions, use appropriate value speci ed under electrical characteristics for the applicable device. 2. typical values are at v dd = 3.3v, t a = 25c ambient and maximum loading. 3. measured by the voltage drop between a and y pin at indicated current through the switch. on-resistance is de ter mined by the lower of the voltages on the two (i,y) pins. parameter description test conditions min. typ (2) max. units analog switch y, a x analog signal range -0.3 v dd v r on on-resistance i y = 100ma, v in = 0 to v dd 5 ?r on on-resistance match between channels i y = 100ma, v in = 0.5v dd 0.2 r onf on-resistance flatness i y = 100ma, v in = 0 to v dd 0.6 thd total harmonic distortion load = 100k , v in = 0.5v dd , frequency = 20hz to 20khz 0.03 % control inputs (1) v ih input high voltage guaranteed logic high level 1.5 v v il input low voltage guaranteed logic low level ?0.5 0.8 i ih input high current v dd = max., v in = v dd 1 a i il input low current v dd = max., v in = gnd 1 i ozh high impedance output current 0 i n , y n v dd 1 v ik clamp diode voltage v dd = min., i in = ?18ma ?1.2 v power supply characteristics, 3.3v supply parameters de scrip tion test conditions (1) min. typ. (2) max. units i cc quiescent power supply current v dd = max. v in = gnd or v dd 0.1 9.0 a notes: 1. for max. or min. conditions, use appropriate value speci ed under electrical characteristics for the applicable device. 2. typical values are at v dd = 3.3v, +25c ambient. 3. control inputs only; a and y pins do not contribute to i cc . 08-0231
5 ps8962b 10/21/08 pi3a114-a low-voltage, 4:1 mux/demux with low-swing control inputs capacitance symbol parameter test conditions min. typ. max. units c nc (off) off capacitance f = 1mhz, see test circuit figure 7. 15 pf c nc (on) on capacitance f = 1mhz, see test circuit figure 8. 25 switch and ac characteristics symbol parameter test conditions min. typ. max. units t on turn-on time v dd = 2.7v, v in = 1.5v, r l = 50, c l = 35pf, see test circuit figure 1 & 2. 515 ns t off turn-off time v dd = 2.7v, v in = 1.5v, r l = 50, c l = 35pf, see test circuit figure 1 & 2. 35 50 q charge injection com = 0, r s = 0, c l = 1nf, v dd = 3.3v see test circuit figure 4. 15 pc o irr off-isolation c l = 5pf, r l = 50, f = 100khz, v in = 1 v rms , v dd = 3.3v see test circuit figure 5. -95 db x talk crosstalk c l = 5pf, r l = 50, f = 100khz, v in = 1 v rms , v dd = 3.3v see test circuit figure 6. -90 f 3db 3db bandwidth see test circuit figure 9., v dd = 3.3v 250 mhz t pd (1) propogation delay c l = 5pf, r l = 500km 0.25 ns note: 1. this parameter is not production tested. 08-0231
6 ps8962b 10/21/08 pi3a114-a low-voltage, 4:1 mux/demux with low-swing control inputs logic input r l 50 gnd in c l includes fixture and stray capacitance. v n dd c l v dd v out 35pf v figure 1. ac test circuit figure 2. ac waveforms figure 3. break before make interval timing test circuits and timing diagrams c l 35pf r l 50 capacitance meter in 10nf gnd v dd v dd f = 1 mhz logic input 0v or v ih notes: 1. unused input (nc or no) must be grounded. 08-0231
7 ps8962b 10/21/08 pi3a114-a low-voltage, 4:1 mux/demux with low-swing control inputs figure 4. charge injection test c l 1nf in v gen r gen logic input logic input v out off on off figure 5. off isolation i n 10nf v dd logic input 0v or v ih r l 50 signal generator c l 5pf 50 analyzer figure 6. crosstalk 10nf v dd r l 50 signal generator c l 5pf 50 analyzer 50 i n figure 7. channel off capacitance figure 8. channel on capacitance capacitance meter in 10nf f = 1 mhz v dd logic input 0v or v ih capacitance meter in 10nf v dd f = 1 mhz logic input 0v or v ih 08-0231
8 ps8962b 10/21/08 pi3a114-a low-voltage, 4:1 mux/demux with low-swing control inputs figure 9. bandwidth 10nf gnd nc or no logic input 0v or v ih in v dd v dd 50 signal generator 50 com analyzer 08-0231
9 ps8962b 10/21/08 pi3a114-a low-voltage, 4:1 mux/demux with low-swing control inputs : 12-lead, thin fine pitch quad flat no-lead (tqfn) noitpircsed :edoc egakcap 2077 -dp :# lortnoc tnemucod a :noisiver 80/40/80 :etad zh12 08-0369 packaging mechanical: 12-pin tqfn (zh) 08-0231
10 ps8962b 10/21/08 pi3a114-a low-voltage, 4:1 mux/demux with low-swing control inputs pericom semiconductor corporation ? 1-800-435-2336 ? www.pericom.com ordering information ordering code packaging code package type top mark pi3a114-azhe zh pb-free & green, 12-contact tqfn (3.0 3.0) cr pi3a114-azle zl pb-free & green, 10-contact tqfn (1.6 1.3) cr notes: ? thermal characteristics can be found on the company web site at www.pericom.com/packaging/ ? e = pb-free & green ? x suf x = tape/reel packaging mechanical: 10-pin tqfn (zl) description: 10-contact, thin fine pitch quad flat no-lead (tqfn) package code: zl (zl10) document control #: pd-2052 revision: b notes: 1) all dimensions are in millimeters 2) ref jedec: mo-220 date: 03/14/08 08-0231
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