1 sy100e417 micrel, inc. m9999-032206 hbwhelp@micrel.com or (408) 955-1690 description 3.3v and 5v power supplies required also, supports lvpecl-to-pecl translation 500ps propagation delays fully differential design differential line receiver capability available in 28-pin plcc package the sy100e417 is a quint lvpecl-to-pecl translator. it can also be used as a quint pecl-to-lvpecl translator. the device receives standard pecl signals and translates them to differential lvpecl output signals (or vice versa). the sy100e417 can also be used as a differential line receiver for pecl-to-pecl or lvpecl-to-lvpecl signals. however, please note that for the latter we will need two different power supplies. please refer to function table for more details. a v bb output is provided for interfacing single ended input signals. if a single ended input is to be used, the v bb output should be connected to the dn input and the active signal will drive the dn input. when used, the v bb should be bypassed to v cc via a 0.01 f capacitor. the v bb is designed to act as a switching reference for the sy100e417 under single ended input conditions. as a result, the pin can only source/sink 0.5ma of current. to accomplish the pecl-to-lvpecl level translation, the sy100e417 requires three power rails. the v cc and v cc _v bb supply is to be connected to the standard pecl supply, the 3.3v supply is to be connected to the v cco supply, and gnd is connected to the system ground plane. both the v cc and v cco should be bypassed to ground with a 0.01 f capacitor. to accomplish the lvpecl-to-pecl level translation, the sy100e417 requires three power rails as well. the 5.0v supply is connected to the v cc and v cco pins, 3.3v supply is connected to the v cc _v bb pin and gnd is connected to the system ground plane. v cc _v bb is used to provide a proper v bb output level if a single ended input is used. v cc _v bb = 3.3v is only required for single-ended lvpecl input. for differential lvpecl input, v cc _v bb can be either 3.3v or 5.0v. under open input conditions, the dn input will be biased at a v cc /2 voltage level and the dn input will be pulled to gnd. this condition will force the "qn" output low, ensuring stability. features quint lvpecl-to-pecl or pecl-to-lvpecl translator sy100e417 block diagram d 0 d 0 q 0 q 0 d 1 d 1 q 1 q 1 d 2 d 2 q 2 q 2 d 3 d 3 q 3 q 3 d 4 d 4 q 4 q 4 v bb function vcc vcco vcc_v bb pecl-to-lvpecl 5.0v 3.3v 5.0v lvpecl-to-pecl 5.0v 5.0v 3.3v pecl-to-pecl 5.0v 5.0v 5.0v lvpecl-to-lvpecl 5.0v 3.3v 3.3v function table rev.: e amendment: /0 issue date: march 2006 pin function dn pecl / lvpecl inputs q n pecl / lvpecl outputs v bb reference voltage output v cco v cc for outputs v cc _v bb v cc for v bb output gnd common ground rail v cc v cc for internal circuitry pin names
2 sy100e417 micrel, inc. m9999-032206 hbwhelp@micrel.com or (408) 955-1690 package/ordering information ordering information (1) package operating package lead part number type range marking finish sy100e417ji j28-1 industrial sy100e417ji sn-pb sy100e417jitr (2) j28-1 industrial sy100e417ji sn-pb sy100e417jc j28-1 commercial sy100e417jc sn-pb sy100e417jctr (2) j28-1 commercial sy100e417jc sn-pb sy100e417jy (3) j28-1 industrial sy100e417jy with matte-sn pb-free bar-line indicator SY100E417JYTR (2, 3) j28-1 industrial sy100e417jy 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) 18 17 16 15 14 13 12 567891011 26 27 28 1 2 3 4 top view plcc j28-1 25 24 23 22 21 20 19 d 2 gnd v bb d 0 d 3 d 2 d 0 d 1 v cco q 0 v cco q 1 d 1 q 0 q 3 v cc q 2 v cco q 3 q 2 q 1 d 4 v cc_ v bb q 4 d 3 v cco d 4 q 4
3 sy100e417 micrel, inc. m9999-032206 hbwhelp@micrel.com or (408) 955-1690 pecl input dc electrical characteristics v cc _v bb = v cc = +4.5v to +5.5v 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 cc power supply voltage 4.5 5.5 4.5 5.5 4.5 5.5 4.5 5.5 v v ih input high voltage (1) 3.835 4.120 3.835 4.120 3.835 4.120 3.835 4.120 v v il input low voltage (1) 3.190 3.515 3.190 3.525 3.190 3.525 3.190 3.525 v v pp minimum peak-to-peak 150 150 150 150 mv input i ih input high current 150 150 150 150 a i il input low current dn 0.5 0.5 0.5 0.5 a dn ?00 ?00 ?00 ?00 v bb output reference (1) 3.620 3.740 3.620 3.740 3.620 3.740 3.620 3.740 v i cc power supply current 20 20 14 20 20 ma note: 1. these levels are for v cc_ v bb = 5.0v. level specifications will vary 1:1 with v cc_ v bb. lvpecl output dc electrical characteristics v cc = +4.5v to +5.5v; v cco = +3.0v to 3.8v 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 cco power supply voltage 3.0 3.8 3.0 3.8 3.0 3.3 3.8 3.0 3.8 v v oh output high voltage (1) 2.215 2.420 2.275 2.420 2.275 2.350 2.420 2.275 2.420 v v ol output low voltage (1) 1.470 1.745 1.490 1.680 1.490 1.600 1.680 1.490 1.680 v i cco power supply current 35 35 23 35 37 ma note: 1. these levels are for v cco = 3.3v. level specifications will vary 1:1 with v cco . lvpecl input dc electrical characteristics v cc _v bb = +3.0v to +3.8v (1) ; v cc = +4.5v to +5.5v 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 cc power supply voltage 4.5 5.5 4.5 5.5 4.5 5.5 4.5 5.5 v v ih input high voltage (2) 2.135 2.420 2.135 2.420 2.135 2.420 2.135 2.420 v v il input low voltage (2) 1.490 1.825 1.490 1.825 1.490 1.825 1.490 1.825 v v pp minimum peak-to-peak 150 150 150 150 mv input i ih input high current 150 150 150 150 a i il input low current dn 0.5 0.5 0.5 0.5 a dn ?00 ?00 ?00 ?00 v bb output reference (2) 1.92 2.04 1.92 2.04 1.92 2.04 1.92 2.04 v i cc power supply current 20 20 14 20 20 ma notes: 1. v cc _v bb = 3.3v is only required for single-ended lvpecl input. for differential lvpecl input, v cc _v bb can be either 3.3v or 5v. 2. these levels are for v cc _ v bb = 3.3v. level specifications will vary 1:1 with v cc _ v bb .
4 sy100e417 micrel, inc. m9999-032206 hbwhelp@micrel.com or (408) 955-1690 pecl output dc electrical characteristics vcc = v cco = +4.5v to +5.5v 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 cco power supply voltage 4.5 5.5 4.5 5.5 4.5 5.5 4.5 5.5 v v oh output high voltage (1) 3.915 4.120 3.975 4.120 3.975 4.120 3.975 4.120 v v ol output low voltage (1) 3.170 3.445 3.190 3.380 3.190 3.380 3.190 3.380 v i cco power supply current 35 35 23 35 37 ma notes: 1. these levels are for v cco = 5.0v. level specifications will vary 1:1 with v cco . ac electrical characteristics (1) 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 diff. 410 510 610 410 510 610 410 510 610 410 510 610 ps d to q s.e. 380 530 680 380 530 680 380 530 680 380 530 680 t skew within-device skew output-to-output (2) 20 100 20 100 20 100 20 100 ps part-to-part (diff.) (2) 20 200 20 200 20 200 20 200 duty cycle (diff.) (3) ?5 ?5 ?5 ?5 v pp minimum input swing (4) 150 150 150 150 mv v cmr common mode range (5) v v pp < 500mv 1.3 v cc ?.2 1.2 v cc ?.2 1.2 v cc ?.2 1.2 v cc ?.2 v pp 500mv 1.5 v cc ?.2 1.4 v cc ?.2 1.4 v cc ?.2 1.4 v cc ?.2 t r output rise/fall times q 320 580 320 580 320 580 320 580 ps t f (20% to 80%) notes: 1. power supply requirements applies as indicated in the dc electrical characteristics tables. 2. skew is measured between outputs under identical transitions. 3. duty cycle skew is the difference between a tplh and tphl propagation delay through a device common mode range. 4. minimum input swing for which ac parameters are guaranteed. the device has a dc gain of ~40. 5. the cmr range is referenced to the most positive side of the differential input signal. normal operation is obtained if the high level falls within the specified range and the peak-to-peak voltage lies between v pp min. and 1v.
5 sy100e417 micrel, inc. m9999-032206 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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