1 sy10h351 micrel, inc. m9999-032906 hbwhelp@micrel.com or (408) 955-1690 pin function d0 ?d3 inputs q0 ?q3 outputs /q0 ?/q3 inverted outputs vcc1 pecl v cc (5.0v) vcce pecl v cc (5.0v) vcct ttl v cc (5.0v) vcc2 pecl v cc (5.0v) common strobe common strobe gnd ground description single 5v power supply all v cc pins isolated on chip differentially drive balanced lines t pd 1.3ns typical fully compatible with mc10h351 available in 20-pin plcc package the sy10h351 is a quad translator for interfacing data between a saturated logic selection and the pecl section of digital systems when only a +5.0v v dc power supply is available. the sy10h351 has ttl/nmos compatible inputs and pecl complementary open-emitter outputs that allow use as an inverting/non-inverting translator or as a differential line driver. when the common strobe input is at a low logic level, it forces all true outputs to the pecl low logic state ( +3.2v) and all inverting outputs to the pecl high logic state ( 4.1v). the sy10h351 can also be used with the sy10h350 to transmit and receive ttl/nmos information differentially via balanced twisted pair lines. features quad ttl/nmos-to-pecl translator pin names block diagram sy10h351 rev.: b amendment: /0 issue date: march 2006 v cc (+5 v dc ) = pins 6, 11, 15, 20; gnd = pin 10 1 2 5 4 14 12 8 7 9 16 17 19 18 d1 d0 d3 d2 /q1 q1 /q0 q0 /q3 q3 /q2 q2 common strobe
2 sy10h351 micrel, inc. m9999-032906 hbwhelp@micrel.com or (408) 955-1690 package/ordering information ordering information (1) package operating package lead part number type range marking finish sy10h351jc j20-1 commercial sy10h351jc sn-pb sy10h351jctr (2) j20-1 commercial sy10h351jc sn-pb SY10H351JZ (3) j20-1 commercial SY10H351JZ with matte-sn pb-free bar-line indicator SY10H351JZtr (2, 3) j20-1 commercial SY10H351JZ 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. 20-pin plcc (j20-1) 1 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 nc d3 vcct gnd common strobe /q2 vcce /q1 q1 nc d0 d1 vcc1 /q0 q0 d2 vcc2 /q3 q3 q2 top view plcc j20-1
3 sy10h351 micrel, inc. m9999-032906 hbwhelp@micrel.com or (408) 955-1690 symbol parameter value unit v cc power supply voltage 0.5 to +7.0 v i out output current continuous 50 ma surge 100 t lead lead temperature +260 c (soldering, 20sec.) t store storage temperature 65 to +150 c t a operating temperature 0 to +85 c note: 1. permanent device damage may occur if absolute maximum ratings are exceeded. this is a stress rating only and functional operation is not implied at conditions other than those detailed in the operational sections of this data sheet. exposure to absolute maximum ratlng conditions for extended periods may affect device reliability. absolute maximum ratings (1) truth table cs d q /q hllh hhhl h open h l lxlh open l l h open h h l open open h l t a = 0 ct a = +25 ct a = +85 c symbol parameter min. max. min. typ. max. min. max. unit condition i cc power supply current ecl (1) 45 45 45 ma no output ttl (2) 15 15 15 loads i r reverse current 20 20 20 a (pins 7, 8, 12, 14) i inh reverse current, (pin 9) 80 80 80 a i f forward current 0.6 0.6 0.6 ma (pins 7, 8, 12, 14) i inl forward current, (pin 9) 2.4 2.4 2.4 ma v br(in) input breakdown voltage 5.5 5.5 5.5 v v i input clamp voltage 1.5 1.5 1.5 v i in = 18ma v oh output high voltage (3) 3.98 4.16 4.02 4.19 4.08 4.27 v v ol output low voltage (3) 3.05 3.37 3.05 3.37 3.05 3.37 v v ih input high voltage 2.0 2.0 2.0 v v il input low voltage 0.8 0.8 0.8 v dc electrical characteristics vcc1 = vcc2 = vcce = vcct = 4.75v to 5.25v notes: 1. total icc at vcc1, vcc2 and vcce. 2. icc at icct. 3. these values are for vcc = 5.0v. level specifications will vary 1:1 vcc.
4 sy10h351 micrel, inc. m9999-032906 hbwhelp@micrel.com or (408) 955-1690 notes: 1. propagation delay is measured on this circuit from +1.5v on the input waveform to the 50% point on the output waveform. 2. these parameters are guaranteed but not tested. t a = 0 ct a = +25 ct a = +85 c symbol parameter min. max. min. typ. max. min. max. unit condition t pd propagation delay (1) 0.4 2.2 0.4 2.2 0.4 2.1 ns 50 ? to vcc 2v t r output rise/fall time 0.4 1.9 0.4 2.0 0.4 2.1 ns 50 ? to vcc 2v t f (20% to 80%) f max maximum input frequency (2) 150 150 150 mhz 50 ? to vcc 2v ac electrical characteristics vcc1 = vcc2 = vcce = vcct = 4.75v to 5.25v switching waveform complement input t phl 50% 1ns/v (typical) +3.0v 10% 90% +1.5v 0v t thl true 20% 80% 50% t tlh 1ns/v (typical) t plh t plh t phl figure 1. propagation delay and transition times
5 sy10h351 micrel, inc. m9999-032906 hbwhelp@micrel.com or (408) 955-1690 20-pin plastic leaded chip carrier (j20-1) rev. 00 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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