1 precision edge sy10e111ae/le sy100e111ae/le micrel, inc. m9999-032006 hbwhelp@micrel.com or (408) 955-1690 description features 5v and 3.3v power supply options 200ps part-to-part skew 50ps output-to-output skew differential design v bb output enable input voltage and temperature compensated outputs 75k ? input pulldown resistors fully compatible with motorola mc10/100e111 available in 28-pin plcc package the sy10/100e111ae/le are low skew 1-to-9 differential drivers designed for clock distribution in mind. the sy10/ 100e111ae/le's function and performance are similar to the popular sy10/100e111, with the improvement of lower jitter and the added feature of low voltage operation. it accepts one signal input, which can be either differential or single-ended if the v bb output is used. the signal is fanned out to 9 identical differential outputs. an enable input is also provided such that a logic high disables the device by forcing all q outputs low and all q outputs high. the e111ae/le is specifically designed, modeled and produced with low skew as the key goal. optimal design and layout serve to minimize gate to gate skew within a device, and empirical modeling is used to determine process control limits that ensure consistent t pd distributions from lot to lot. the net result is a dependable, guaranteed low skew device. to ensure that the tight skew specification is met it is necessary that both sides of the differential output are terminated into 50 ? , even if only one side is being used. in most applications, all nine differential pairs will be used and therefore terminated. in the case where fewer that nine pairs are used, it is necessary to terminate at least the output pairs on the same package side as the pair(s) being used on that side, in order to maintain minimum skew. failure to do this will result in small degradations of propagation delay (on the order of 10-20ps) of the output(s) being used which, while not being catastrophic to most designs, will mean a loss of skew margin. the e111ae/le, as with most other ecl devices, can be operated from a positive v cc supply in pecl mode. this allows the e111ae/le to be used for high performance clock distribution in +5v/+3.3v systems. designers can take advantage of the e111ae/le's performance to distribute low skew clocks across the backplane or the board. in a pecl environment, series or thevenin line terminations are typically used as they require no additional power supplies. for systems incorporating gtl, parallel termination offers the lowest power by taking advantage of the 1.2v supply as terminating voltage. block diagram in v bb q 0 q 0 q 1 q 1 q 2 q 2 q 3 q 3 q 4 q 4 q 5 q 5 q 6 q 6 q 7 q 7 q 8 q 8 in en rev.: g amendment: /0 rev. date: march 2006 precision edge is a registered trademark of micrel, inc. precision edge precision edge sy10e111ae/le sy100e111ae/le 5v/3.3v 1:9 differential clock driver (w/enable) pin function in, in differential input pair en enable input q 0 , q 0 ?q 8 , q 8 differential outputs v bb v bb output v cco v cc to output pin names
2 precision edge sy10e111ae/le sy100e111ae/le micrel, inc. m9999-032006 hbwhelp@micrel.com or (408) 955-1690 v cc v ee en v bb in q 2 26 27 28 1 2 3 4 18 17 16 15 14 13 12 25 24 23 22 21 20 19 567891011 nc in q 6 q 6 q 3 q 1 plcc top view j28-1 q 2 q 0 q 0 v cco q 1 q 3 q 4 v cco q 4 q 5 q 5 q 7 v cco q 7 q 8 q 8 package/ordering information ordering information (1) package operating package lead part number type range marking finish sy10e111aeji j28-1 industrial sy10e111aeji sn-pb sy10e111aejitr (2) j28-1 industrial sy10e111aeji sn-pb sy100e111aeji j28-1 industrial sy100e111aeji sn-pb sy100e111aejitr (2) j28-1 industrial sy100e111aeji sn-pb sy10e111aejc j28-1 commercial sy10e111aeji sn-pb sy10e111aejctr (2) j28-1 commercial sy10e111aeji sn-pb sy100e111aejc j28-1 commercial sy100e111aeji sn-pb sy100e111aejctr (2) j28-1 commercial sy100e111aeji sn-pb sy10e111leji j28-1 industrial sy10e111leji sn-pb sy10e111lejitr (2) j28-1 industrial sy10e111leji sn-pb sy100e111leji j28-1 industrial sy100e111leji sn-pb sy100e111lejitr (2) j28-1 industrial sy100e111leji sn-pb sy10e111lejc j28-1 commercial sy10e111leji sn-pb sy10e111lejctr (2) j28-1 commercial sy10e111leji sn-pb sy100e111lejc j28-1 commercial sy100e111leji sn-pb sy100e111lejctr (2) j28-1 commercial sy100e111leji sn-pb sy10e111aejy (3) j28-1 industrial sy10e111aejy with matte-sn pb-free bar-line indicator sy10e111aejytr (2, 3) j28-1 industrial sy10e111aejy with matte-sn pb-free bar-line indicator sy100e111aejy (3) j28-1 industrial sy100e111aejy with matte-sn pb-free bar-line indicator SY100E111AEJYTR (2, 3) j28-1 industrial sy100e111aejy with matte-sn pb-free bar-line indicator sy10e111lejy (3) j28-1 industrial sy10e111lejy with matte-sn pb-free bar-line indicator sy10e111lejytr (2, 3) j28-1 industrial sy10e111lejy with matte-sn pb-free bar-line indicator sy100e111lejy (3) j28-1 industrial sy100e111lejy with matte-sn pb-free bar-line indicator sy100e111lejytr (2, 3) j28-1 industrial sy100e111lejy with matte-sn pb-free bar-line indicator notes: 1. contact factory for die availability. dice are guaranteed at t a = 25 c, dc electricals only. 2. tape and reel. 3. pb-free package is recommended for new designs. 28-pin plcc (j28-1)
3 precision edge sy10e111ae/le sy100e111ae/le micrel, inc. m9999-032006 hbwhelp@micrel.com or (408) 955-1690 t a = ?0 ct a = 0 ct a = +25 ct a = +85 c symbol parameter min. typ. max. min. typ. max. min. typ. max. min. typ. max. unit v oh output high voltage mv 10el 1080 890 1020 840 980 810 910 720 100el 1085 880 1025 880 1025 880 1025 880 v ol output low voltage mv 10el 1950 1650 1950 1630 1950 1630 1950 1595 100el 1830 1550 1810 1620 1810 1620 1810 1620 v ih input high voltage mv 10el 1230 890 1170 840 1130 810 1060 720 100el 1165 880 1165 880 1165 880 1165 880 v il input low voltage mv 10el 1950 1500 1950 1480 1950 1480 1950 1445 100el 1810 1475 1810 1475 1810 1475 1810 1475 v bb output reference v voltage 10el 1.43 1.30 1.38 1.27 1.35 1.25 1.31 1.19 100el 1.38 1.26 1.38 1.26 1.38 1.26 1.38 1.26 i ih input high current 150 150 150 150 a i il input low current a 10el 0.5 0.5 0.5 0.3 100el 0.5 0.5 0.5 0.5 i ee power supply current ma 10el 66 66 66 66 100el 66 66 66 78 ecl dc electrical characteristics v ee = v ee (min.) to v ee (max.); v cc = gnd notes: 1. parametric values specified at: 5 volt power supply range 100e111ae series: -4.2v to -5.5v. 10e111ae series -4.75v to -5.5v. 3 volt power supply range 10/100e111le series: -3.0v to -3.8v.
4 precision edge sy10e111ae/le sy100e111ae/le micrel, inc. m9999-032006 hbwhelp@micrel.com or (408) 955-1690 3.3v pecl dc electrical characteristics (1) v cc = +3.0v to +3.8v, v ee = gnd t a = ?0 ct a = 0 ct a = +25 ct a = +85 c symbol parameter min. typ. max. min. typ. max. min. typ. max. min. typ. max. unit v oh output high voltage (2) mv 10el 2220 2110 2280 2460 2320 2490 2390 2580 100el 2215 2120 2275 2420 2275 2420 2275 2420 v ol output low voltage (2) mv 10el 1350 1650 1350 1670 1350 1670 1350 1705 100el 1470 1750 1490 1680 1490 1680 1490 1680 v ih input high voltage (2) mv 10el 2070 2410 2130 2460 2170 2490 2240 2580 100el 2135 2420 2135 2420 2135 2420 2135 2420 v il input low voltage (2) mv 10el 1350 1800 1350 1820 1350 1820 1350 1855 100el 1490 1825 1490 1825 1490 1825 1490 1825 v bb output reference v voltage (2) 10el 1.87 2.00 1.92 2.03 1.95 2.05 1.99 2.11 100el 1.92 2.04 1.92 2.04 1.92 2.04 1.92 2.04 i ih input high current 150 150 150 150 a i il input low current a 10el 0.5 0.5 0.5 0.3 100el 0.5 0.5 0.5 0.5 i ee power supply current ma 10el 66 66 66 66 100el 66 66 66 78 notes: 1. parametric values specified at: 3 volt power supply range 10/100e111le series: +3.0v to +3.8v. 2. these values are for v cc = 3.3v. level specifications will vary 1:1 with v cc. 5v pecl dc electrical characteristics (1) v cc = v cc (min.) to v cc (max.); v ee = gnd t a = ?0 ct a = 0 ct a = +25 ct a = +85 c symbol parameter min. typ. max. min. typ. max. min. typ. max. min. typ. max. unit v oh output high voltage (2) mv 10el 3920 4110 3980 4160 4020 4190 4090 4280 100el 3915 4120 3975 4120 3975 4120 3975 4120 v ol output low voltage (2) mv 10el 3050 3350 3050 3370 3050 3370 3050 3405 100el 3170 3450 3190 3380 3190 3380 3190 3380 v ih input high voltage (2) mv 10el 3770 4110 3830 4160 3870 4190 3940 4280 100el 3835 4120 3835 4120 3835 4120 3835 4120 v il input low voltage (2) mv 10el 3050 3500 3050 3520 3050 3520 3050 3555 100el 3190 3525 3190 3525 3190 3525 3190 3525 v bb output reference v voltage (2) 10el 3.57 3.70 3.62 3.73 3.65 3.75 3.69 3.81 100el 3.62 3.74 3.62 3.74 3.62 3.74 3.62 3.74 i ih input high current 150 150 150 150 a i il input low current a 10el 0.5 0.5 0.5 0.3 100el 0.5 0.5 0.5 0.5 i ee power supply current ma 10el 66 66 66 66 100el 66 66 66 78 notes: 1. parametric values specified at: 5 volt power supply range 100e111ae series: +4.2v to +5.5v. 10e111ae series +4.75v to +5.5v. 2. these values are for v cc = 5v. level specifications will vary 1:1 with v cc.
5 precision edge sy10e111ae/le sy100e111ae/le micrel, inc. m9999-032006 hbwhelp@micrel.com or (408) 955-1690 v ee = v ee (min.) to v ee (max.); v cc = gnd t a = ?0 ct a = 0 ct a = +25 ct a = +85 c symbol parameter min. typ. max. min. typ. max. min. typ. max. min. typ. max. unit t pd propagation delay to output ps in (differential) (2) 380 680 430 630 430 630 430 630 in (single-ended) (3) 280 780 330 730 330 730 330 730 enable (4) 400 900 450 850 450 850 450 850 disable (4) 400 900 450 850 450 850 450 850 t skew within-device skew (5) 75 50 50 50 ps part-to-part skew (diff.) 250 200 200 200 t s set-up time, en to in (6) 250 0 200 0 200 0 200 0 ps t h hold time, in to en (7) 0 200 0 200 0 200 0 200 ps t r release time, en to in (8) 350 100 300 100 300 100 300 100 ps v pp minimum input swing (9) 250 250 250 250 mv v cmr common mode range (10) 1.5 0.4 1.5 0.4 1.5 0.4 1.5 0.4 v t r rise/fall times 200 650 200 600 200 600 200 600 ps t f 20% to 80% notes: 1. parametric values specified at: 5 volt power supply range 100e111ae series: -4.2v to -5.5v. 10e111ae series -4.75v to -5.5v. 3 volt power supply range 10/100e111le series: -3.0v to -3.8v. 2. the differential propagation delay is defined as the delay from the crossing points of the differential input signals to the crossing point of the differential output signals. 3. the single-ended propagation delay is defined as the delay from the 50% point of the input signal to the 50% point of the out put signal. 4. enable is defined as the propagation delay from the 50% point of a negative transition on en to the 50% point of a positive t ransition on q (or a negative transition on q). disable is defined as the propagation delay from the 50% point of a positive transition on en to th e 50% point of a negative transition on q (or a positive transition on q). 5. the within-device skew is defined as the worst case difference between any two similar delay paths within a single device. 6. the set-up time is the minimum time that en must be asserted prior to the next transition of in/in to prevent an output respo nse greater than 75mv to that in/in transition (see figure 1). 7. the hold time is the minimum time that en must remain asserted after a negative going in or a positive going in to prevent an output response greater than 75mv to that in/in transition (see figure 2). 8. the release time is the minimum time that en must be de-asserted prior to the next in/in transition to ensure an output respo nse that meets the specified in to q propagation delay and output transition times (see figure 3). 9. v pp (min) is defined as the minimum input differential voltage which will cause no increase in the propagation delay. the v pp (min) is ac limited for the e111ae/le, as a differential input as low as 50mv will still produce full ecl levels at the output. 10. v cmr is defined as the range within the v ih level may vary, with the device still meeting the propagation delay specification. the v il level must be such that the peak-to-peak voltage is less than 1.0v and greater than or equal to v pp (min). for pecl operation: v cmr (max) = v cc |v cmr (max)| and v cmr (min) = v cc |v cmr (min)| ac electrical characteristics (1) timing diagrams figure 1. set-up time figure 3. release time figure 2. hold time in t s in en q q 50% 75 mv 75 mv in t h in en q q 50% 75 mv 75 mv in t r in en q q 50%
6 precision edge sy10e111ae/le sy100e111ae/le micrel, inc. m9999-032006 hbwhelp@micrel.com or (408) 955-1690 28-pin plcc (j28-1) rev. 03 micrel, inc. 2180 fortune drive san jose, ca 95131 usa tel + 1 (408) 944-0800 fax + 1 (408) 474-1000 web http://www.micrel.com the information furnished by micrel in this data sheet is believed to be accurate and reliable. however, no responsibility is a ssumed by micrel for its use. micrel reserves the right to change circuitry and specifications at any time without notification to the customer. micrel products are not designed or authorized for use as components in life support appliances, devices or systems where malfu nction of a product can reasonably be expected to result in personal injury. life support devices or systems are devices or systems that (a) are intend ed for surgical implant into the body or (b) support or sustain life, and whose failure to perform can be reasonably expected to result in a significant inj ury to the user. a purchaser s use or sale of micrel products for use in life support appliances, devices or systems is at purchaser s own risk and purchaser agrees to fully indemnify micrel for any damages resulting from such use or sale. ? 2006 micrel, incorporated.
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