1 ps8494 08/09/00 3.3v, 2 x 1:5 cmos clock driver oe b in a oa 0? in b oe a ob 0? mon 5 5 PI49FCT32805 logic block diagram 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 PI49FCT32805 description pericom semiconductor?s pi49fct series of logic circuits are produced using the company?s advanced submicron cmos technology to achieve fast speed, low skew, fast slew rate, and low propagation delay for most computing and communication applications. the PI49FCT32805 are non-inverting drivers. the outputs are configured into 2 groups of 1-in, 5-out with independent output enable. group b has an extra mon output. excellent output signals to power and ground ratio minimize power and ground noise, and also improves output performance. PI49FCT32805 integrate series damping resistors on all outputs. features ? low output skew: <270ps ? switching frequency of 133 mhz ? fast output rise/fall time <1.5ns ? low propagation delay <3.0ns ? low input capacitance <6.0pf ? balanced cmos outputs ? industrial temperature: ?40c to +85c ? 3.3v 10% operation ? packages available: ? 20-pin 300-mil wide soic (s) ? 20-pin 150-mil wide qsop (q) ? 20-pin 209-mil wide ssop (h) v ccb vcca 1 20 ob0 oa0 2 19 ob1 oa1 3 18 ob2 oa2 4 17 gndb gnda 5 16 ob3 oa3 6 15 ob4 oa4 7 14 mon gndq 8 13 oeb oea 9 12 inb ina 10 11 20-pin h,q,s PI49FCT32805 product pin configuration product pin description pin name description oe a, oe b hi-z state output enable inputs (active low) in a, in b clock inputs oa n, ob n clock outputs mon monitor output gnd ground v cc power inputs outputs oe a , oe b in a , in b oa n , ob n mon llll lhhh hlzl hhzh PI49FCT32805 truth table (1) note: 1. h = high voltage level l = low voltage level z = high impedance
2 ps8494 08/09/00 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 PI49FCT32805 3.3v, 2 x 1:5 cmos clock driver storage temperature ............................................................ ?65c to +150c ambient temperature with power applied ........................... ?40c to +85c supply voltage to ground potential (inputs & vcc only) ...... ?0.5v to +4.6v supply voltage to ground potential (outputs & i/o only) .... ?0.5v to +4.6v dc input voltage .................................................................... ?0.5v to +4.6v dc output current ............................................................................. 120 ma power dissipation ................................................................................. 0.5w 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 indi- cated in the operational sections of this specification is not implied. exposure to absolute maximum rating conditions for extended periods may affect reliability. maximum ratings - (above which the useful life may be impaired. for user guidelines, not tested.) notes: 1. for max. or min. conditions, use appropriate value specified under electrical characteristics for the applicable device type. 2. typical values are at v cc = 3.3v, +25c ambient and maximum loading. 3. v oh = v cc ? 0.6v at rated current. 4. this parameter is determined by device characterization but is not production tested. 5. not more than one output should be shorted at one time. duration of the test should not exceed one second. operating range ? ambient temperature = ?40c to +85c, vcc = 3.3v 0.3v l o b m y sn o i t p i r c s e ds n o i t i d n o c t s e t ) 1 ( . n i m. p y t ) 2 ( . x a ms t i n u v h o e g a t l o v h g i h t u p t u o v c c v 0 . 3 = v n i v = l i v r o h i i h o a m 8 ? =4 . 2 ) 3 ( ? 0 . 3 ? ? v v l o e g a t l o v w o l t u p t u o v c c v 0 . 3 = v n i v = l i v r o h i i l o a m 2 1 = ? ?4 . 05 . 0 v h i e g a t l o v h g i h t u p n ic i g o l w o l 0 . 2?v c c 2 . 0 - v l i e g a t l o v w o l t u p n ic i g o l h g i h 5 . 0 ?? 8 . 0 i h i t n e r r u c h g i h t u p n iv c c v , . x a m = n i v = c c ?? 1 m a i l i t n e r r u c w o l t u p n iv c c v , . x a m = n i d n g = ?? 1 ? i h z o i l z o e c n a d e p m i h g i h t n e r r u c t u p t u o v c c l l a , x a m = d e l b a s i d s t u p t u o v t u o v = c c v t u o d n g = ? ? ? ? 1 1 ? v k i e g a t l o v e d o i d p m a l cv c c i , . n i m = n i a m 8 1 ? = ?9 . 0 ?2 . 1 ?v i h o h g i h t u p t u o ) 4 ( t n e r r u cv t u o v , v 5 . 1 = n i v = l i v r o h i v c c v 3 . 3 = 5 2 ?5 5 ?0 8 ? a m i l o w o l t u p t u o ) 4 ( t n e r r u cv t u o v , v 5 . 1 = n i v = l i v r o h i v c c v 3 . 3 = 5 25 40 9 i s o t i u c r i c t r o h s ) 5 ( t n e r r u cv c c . x a m = v t u o d n g = 0 5 ?0 0 1 ?0 8 1 ? s rr o t s i s e r s e i r e s l a n r e t n i 2 2m h o dc electrical characteristics (over the operating range) note: 1.this parameter is determined by device characterization but is not production tested. parameters (1) description test conditions typ max. units c in input capacitance v in = 0v 3.0 4 pf c out output capacitance v out = 0v 6 pf capacitance (t a = 25c, f = 1 mhz)
3 ps8494 08/09/00 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 PI49FCT32805 3.3v, 2 x 1:5 cmos clock driver 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 30 a supply current d i cc supply current per v cc = max. v in = v cc C 0.6v (3) 110 300 a inputs @ ttl high i ccd supply current per v cc = max., v in = v cc 0.09 0.16 ma/ input per mhz (4) outputs open v in = gnd mh z oe a or oe b = gnd per output toggling 50% duty cycle i c v cc = max., v in = v cc 1.3 9.0 (5) outputs open v in = gnd f o = 10 mh z 50% duty cycle v in = v cc C 0.6v 1.3 10.0 (5) oe a or oe b = gnd v in = gnd mon. outputs toggling ma v cc = max., v in = v cc 4.4 6.0 (5) outputs open v in = gnd f o = 2.5 mh z 50% duty cycle v in = v cc C 0.6v 4.4 7.0 (5) oe a or oe b = gnd v in = gnd eleven outputs toggling notes: 1. for max. or min. conditions, use appropriate value specified under electrical characteristics for the applicable device. 2. typical values are at v cc = 3.3v, +25c ambient. 3. per ttl driven input (v in = v cc ? 0.6v); all other inputs at v cc or gnd. 4. this parameter is not directly testable, but is derived for use in total power supply calculations. 5. values for these conditions are examples of the i c formula. these limits are guaranteed but not tested. 6. i c = i quiescent + i inputs + i dynamic i c = i cc + d i cc d h n t + i ccd (f o n o ) i cc = quiescent current d i cc = power supply current for a ttl high input (v in = v cc ? 0.6v) d h = duty cycle for ttl inputs high n t = number of ttl inputs at d h i ccd = dynamic current caused by an input transition pair (hlh or lhl) f o = output frequency n o = number of outputs at f o all currents are in milliamps and all frequencies are in megahertz.
4 ps8494 08/09/00 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 PI49FCT32805 3.3v, 2 x 1:5 cmos clock driver switching characteristics over operating range switch position definitions: c l = load capacitance: includes jig and probe capacitance. r t = termination resistance: should be equal to zout of the pulse generator. l o b m y sn o i t p i r c s e dn o i t i d n o c. x a m ) 2 ( s t i n u t h l p t l h p y a l e d n o i t a g a p o r p n b o t a ) 3 ( f p 5 10 . 3 s n t / r t f e m i t l l a f / e s i r ) 2 ( v 0 . 2 - v 5 . 0 f p 5 15 . 1 t ) p ( k s w e k s e s l u p ) 2 ( t u p t u o e m a s5 3 . 0 t ) o ( k s w e k s t u p t u o ) 2 ( , e g a k c a p e m a s k n a b e m a s 7 2 . 0 t ) t ( k s w e k s e g a k c a p ) 2 ( , e c i v e d e m a s k n a b e m a s 5 5 . 0 t l z t , , h z t z l t , z h e m i t e l b a s i d / e l b a n ef p 5 12 . 5 f x a m y c n e u q e r f t u p n if p 5 13 3 1z h m tests circuits for f in >100 mhz (2) note: 1. lumped load, c l = 15pf 2. these parameters are guaranteed by design 3. minimum propagation delay of 1.5ns is guaranteed but not tested. t s e th c t i w s w o l e l b a s i d w o l e l b a n e v 6 h g i h e l b a s i d h g i h e l b a n e d n g s t u p n i r e h t o l l an e p o pulse generator f = 125mhz d.u.t. 50 w c l = 15pf v cc pulse generator d.u.t. 500 w 500 w c l = 15pf v cc r t sw 6v r t = termination resistance, should be equal to z out of the pulse generators. enable/disable time test set-up
5 ps8494 08/09/00 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 PI49FCT32805 3.3v, 2 x 1:5 cmos clock driver switching waveforms output skew ? t sk (o) pulse skew ? t sk (p) package skew ? t sk (t) propagation delay enable and disable times input t plh 3v 1.5v 0v output v oh 1.5v v ol t phl input tplh 3v 1.5v 0v output voh 1.5v vol tphl tsk(p) = | tphl C tplh | input tplhx 3v 1.5v 0v ox voh 1.5v vol tphlx tsk(o) oy voh 1.5v vol tsk(o) tplhy tphly tsk(o) = | tplhy C tplhx | or | tphly C tphlx | input tplh1 3v 1.5v 0v package 1 output voh 1.5v vol tphl1 tsk(t) package 2 output voh 1.5v vol tsk(t) tplh2 tphl2 tsk(t) = | tplh2 C tplh1 | or | tphl2 C tphl1 | t pzl oe 1.5v 0v 3v 1.5v 3.0v 0v 1.5v t plz v ol 3.0v 0v t pzh t phz 0.3v 0.3v output normally low output normally high switch closed switch open v oh enable disable
6 ps8494 08/09/00 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 PI49FCT32805 3.3v, 2 x 1:5 cmos clock driver seating plane .050 bsc 1 20 0-8? .2914 .2992 x.xx x.xx denotes controlling dimensions in millimeters 7.40 7.60 .496 .511 12.60 12.99 1.27 .0926 .1043 2.35 2.65 .394 .419 10.00 10.65 .0040 .0118 0.10 0.30 .013 .020 0.33 0.51 .010 .029 0.254 0.737 .0091 .0125 0.23 0.32 0.41 1.27 .016 .050 x 45? .020 .030 0.508 0.762 ref .337 .344 .053 .069 .004 .010 seating plane .025 bsc .007 .010 .228 .244 .150 .157 1 20 .016 .050 x.xx x.xx denotes dimensions in millimeters 0.635 8.56 8.74 1.35 1.75 5.79 6.19 0.41 1.27 0.101 0.254 .008 .012 0.203 0.305 3.81 3.99 0.178 0.254 .058 1.47 .015 x 45? 0.38 ref 20-pin soic package drawing (s) 20-pin qsop package drawing (q)
7 ps8494 08/09/00 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 PI49FCT32805 3.3v, 2 x 1:5 cmos clock driver pericom semiconductor corporation 2380 bering drive ? san jose, ca 95131 ? 1-800-435-2336 ? fax (408) 435-1100 ? http://www.pericom.com e d o c g n i r e d r og n i k r a m t r a p e p y t e g a k c a p g n i t a r h 5 0 8 2 3 t c f 9 4 i ph 5 0 8 2 3 t c f 9 4 i p p o s s l i m 9 0 2 n i p - 0 2l a i r t s u d n i q 5 0 8 2 3 t c f 9 4 i pq 5 0 8 2 3 t c f 9 4 i p p o s q l i m 0 5 1 n i p - 0 2l a i r t s u d n i s 5 0 8 2 3 t c f 9 4 i ps 5 0 8 2 3 t c f 9 4 i p c i o s l i m 0 0 3 n i p - 0 2l a i r t s u d n i ordering information 20-pin ssop package drawing (h) .272 .295 .078 .002 seating plane .0098 max. .0256 bsc .022 .037 .004 .009 .291 .322 1 20 .197 .220 0.25 x.xx x.xx denotes dimensions in millimeters 0.050 7.40 8.20 0.55 0.95 0.09 0.25 5.00 5.60 2.00 6.90 7.50 0.65 max min
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