1 ps8330c 01/11/01 product features ? near zero propagation delay ? 5-ohm switches connect inputs to outputs ? direct bus connection when switches are on ? ultra low quiescent power (0.2a typical) C ideally suited for notebook applications ? packages available: C 8 pin 173 mil wide plastic tssop (l) C 8 pin 118 mil wide plastic msop (u) logic block diagram truth table (1) product description pericom semiconductors pi5c series of logic circuits are produced using the companys advanced submicron cmos technology, achieving industry leading performance. pi5c3309 is a 3:1 multiplexer/demultiplexer with 3-state outputs. inputs can be connected to outputs with low on resistance (5-ohm) with no additional ground bounce noise or propagation delay. product pin configuration product pin description pin name description ian data inputs s0C1 select inputs ya data output gnd ground v cc power note: 1. h = high voltage level l = low voltage level t c e l e s s1 s0 a yn o i t c n u f ll 0 a i0 = 0 - 1 s lh 1 a i1 = 0 - 1 s hl 2 a i2 = 0 - 1 s hh z - i h3 = 0 - 1 s ia 0 ia 1 ia 2 s 0 s 1 ya pi5c3309 3:1 mux/demux bus switch 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 8-pin l, u
2 ps8330c 01/11/01 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 pi5c3309 3:1 mux/demux busswitch maximum ratings (above which the useful life may be impaired. for user guidelines, not tested.) note stresses greater than those listed under 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 specifica- tion isnot implied. exposure to absolute maximum rating conditions for extended periods may affect reliability. dc electrical characteristics (over the operating range, t a = C40c to +85c, v cc = 5v 5%) parameters description test conditions (1) min. typ (2) max. units v ih input high voltage guaranteed logic high level 2.0 v v il input low voltage guaranteed logic low level C0.5 0.8 v i ih input high current v cc = max., v in = v cc 1 a i il input low current v cc = max., v in = gnd 1 a i ozh high impedance output current 0 i n , y n v cc 1 a v ik clamp diode voltage v cc = min., i in = C18ma C0.7 C1.2 v i os short circuit current (3) i (y) = 0v, y (i) = v cc 100 ma v h input hysteresis at control pins 150 mv r on switch on resistance (4) v cc = min., v in = 0.0v, i on = 48ma 5 7 w v cc = min., v in = 2.4v, i on = 15ma 10 15 capacitance (t a = 25c, f = 1 mhz) parameters (5) description test conditions typ units c in input capacitance v in = 0v 3 pf c off i a capacitance, switch off v in = 0v 4 pf c on i a capacitance, switch on v in = 0v 16 pf notes: 1. for max. or min. conditions, use appropriate value specified under electrical characteristics for the applicable device type. 2. typical values are at vcc = 5.0v, t a = 25c ambient and maximum loading. 3. not more than one output should be shorted at one time. duration of the test should not exceed one second. 4. measured by the voltage drop between i and y pin at indicated current through the switch. on resistance is determined by the lower of the voltages on the two (i,y) pins. 5. this parameter is determined by device characterization but is not production tested. storage temperature ............................................................. C65c to +150c ambient temperature with power applied ............................. C40c to +85c supply voltage to ground potential (inputs & vcc only) ....... C0.5v to +7.0v supply voltage to ground potential (outputs & d/o only) .... C0.5v to +7.0v dc input voltage ..................................................................... C0.5v to +7.0v dc output current ............................................................................... 120ma power dissipation ................................................................................... 0.5w
pi5c3309 3:1 mux/demux busswitch 3 ps8330c 01/11/01 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 power supply characteristics parameters description test conditions (1) min. typ (2) max. units i cc quiescent power v cc = max. v in = gnd or v cc 0.1 3.0 a supply current d i cc supply current per v cc = max. v in = 3.4v (3) 2.5 ma input @ ttl high i ccd supply current per v cc = max., 0.25 ma/ input per mhz (4) i and y pins open mhz be = gnd control input toggling 50% duty cycle notes: 1. for max. or min. conditions, use appropriate value specified under electrical characteristics for the applicable device. 2. typical values are at vcc = 5.0v, +25c ambient. 3. per ttl driven input (v in = 3.4v, control inputs only); i and y pins do not contribute to icc. 4. this current applies to the control inputs only and represent the current required to switch internal capacitance at the spec ified frequency. the i and y inputs generate no significant ac or dc currents as they transition. this parameter is not tested, but i s guaranteed by design. switching characteristics over operating range notes: 1. see test circuit and waveforms. 2. this parameter is guaranteed but not tested on propagation delays. 3. the bus switch contributes no propagational delay other than the rc delay of the on resistance of the switch and the load capacitance. the time constant for the switch alone is of the order of 0.25ns for 50pf load. since this time constant is much s maller than the rise/fall times of typical driving signals, it adds very little propagational delay to the system. propagational delay of the bus switch when used in a system is determined by the driving circuit on the driving side of the switch and its interaction with the load on the driven side. pericom semiconductor corporation 2380 bering drive ? san jose, ca 95131 ? 1-800-435-2336 ? fax (408) 435-1100 ? http://www.pericom.com s r e t e m a r a pn o i t p i r c s e ds n o i t i d n o c 9 0 3 3 c 5 i p s t i n u m o c . n i m. x a m t y i ) 3 , 2 ( y a l e d n o i t a g a p o r p i n y o t n c l f p 0 5 = r l 0 0 5 = w 5 2 . 0 s n t y s e m i t t c e l e s s u b s n y o t n 5 . 06 . 6 t h z p t l z p e m i t e l b a n e s u b s n y o t n 5 . 00 . 6 t z h p t z l p e m i t e l b a s i d s u b s n y o t n 5 . 00 . 6 t r a pe g a k c a p - n i pe r u t a r e p m e t l 9 0 3 3 c 5 i p) l ( p o s s t - 8 c 5 8 + o t c 0 4 C x u 9 0 3 3 c 5 i p) u ( p o s m - 8 ordering information
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