description features differential d, clock and q extended 100e v ee range of ?.2v to ?.5v v bb output for single-ended use 1100mhz min. toggle frequency edge-triggered asynchronous set and reset fully compatible with motorola mc10e/100e431 available in 28-pin plcc package the sy10/100e431 are 3-bit flip-flops with differential clock, data input and data output. the asynchronous set and reset controls are edge- triggered rather than level controlled. this allows the user to rapidly set or reset the flip-flop and then continue clocking at the next clock edge without the necessity of de-asserting the set/reset signal (as would be the case with a level controlled set/reset). the e431 is also designed with larger internal swings, an approach intended to minimize the time spent crossing the threshold region and thus reduces the metastability susceptibility window. 3-bit differential flip-flop sy10e431 sy100e431 final block diagram pin function d[0:2], d[0:2] differential data inputs clk[0:2], clk[0:2] differential clock inputs s[0:2] edge triggered set inputs r[0:2] edge triggered reset inputs v bb v bb reference output q[0:2], q[0:2] differential data outputs v cco v cc to output pin names pin configuration d n clk n r n s n q n lz l l l hz l l h xl z l l xl l z h truth table (1) note: 1. z = low-to-high transition. 1 rev.: d amendment: /0 issue date: november 2002
2 sy10e431 sy100e431 micrel v ee = v ee (min.) to v ee (max.); v cc = v cco = gnd t a = 0 ct a = +25 ct a = +85 c symbol parameter min. typ. max. min. typ. max. min. typ. max. unit condition v bb output reference voltage v 10e ?.38 ?.27 ?.35 ?.25 ?.31 ?.19 100e ?.38 ?.26 ?.38 ?.26 ?.38 ?.26 i ih input high current 150 150 150 a i ee power supply current ma 10e 110 132 110 132 110 132 100e 110 132 110 132 127 152 v cmr common mode range ?.5 0 ?.5 0 ?.5 0 v 1 notes: 1. v cmr is referenced to the most positive side of the differential input signal. normal operation is obtained when the input signals are within the v cmr range and the input swing is greater than v pp (min.) and <1v. 2. specification for packaged product only. dc electrical characteristics (2) v ee = v ee (min.) to v ee (max.); v cc = v cco = gnd t a = 0 ct a = +25 ct a = +85 c symbol parameter min. typ. max. min. typ. max. min. typ. max. unit condition f max max. toggle frequency 1100 1400 1100 1400 1100 1400 mhz t plh propagation delay to output ps t phl clk (diff) 450 600 750 450 600 750 450 600 750 clk (se) 400 600 800 400 600 800 400 600 800 r 550 725 925 550 725 925 550 725 925 s 550 725 925 550 725 925 550 725 925 t s set-up time ps d 200 0 200 0 200 0 r 1000 700 1000 700 1000 700 1 s 1000 700 1000 700 1000 700 1 t h hold time, d 200 0 200 0 200 0 ps t pw minimum pulse width, clk 400 400 400 ps t skew within-device skew 50 50 50 ps 2 v pp (ac) minimum input swing 150 150 150 mv 3 t r rise/fall time 275 450 650 275 450 650 275 450 650 ps t f 20% to 80% notes: 1. these set-up times define the minimum time the clk or set/reset input must wait after the assertion of the reset/set input to assure the proper operation of the flip-flop. 2. within-device skew is defined as identical transitions on similar paths through a device. 3. minimum input swing for which ac parameters are guaranteed. 4. specification for packaged product only. ac electrical characteristics (4) product ordering code ordering package operating code type range sy10e431ji j28-1 industrial sy10e431jitr* j28-1 industrial sy100e431ji j28-1 industrial sy100e431jitr* j28-1 industrial *tape and reel
3 sy10e431 sy100e431 micrel 28 lead plcc (j28-1) rev. 03
4 sy10e431 sy100e431 micrel micrel, inc. 1849 fortune drive san jose, ca 95131 usa tel + 1 (408) 944-0800 fax + 1 (408) 944-0970 web http://www.micrel.com this information is believed to be accurate and reliable, however no responsibility is assumed by micrel for its use nor for an y infringement of patents or other rights of third parties resulting from its use. no license is granted by implication or otherwise under any patent or pat ent right of micrel, inc. ? 2002 micrel, incorporated.
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