1 sy89322v micrel, inc. m9999-060809 hbwhelp@micrel.com or (408) 955-1690 description 3.3v and 5v power supply option 300ps typical propagation delay differential lvpecl outputs pnp lvttl inputs for minimal loading flow-through pinouts q outputs will default high with inputs open max. frequency range 800mhz available in ultra-small 8-pin mlf (2mm x 2mm) package features precision edge sy89322v rev.: e amendment: /0 issue date: june 2009 the sy89322v is a dual ttl/cmos-to-differential pecl translator capable of running from a 3.3v or 5v supply. this part can be used in either lvttl/lvcmos/lvpecl or ttl/cmos/pecl systems. it requires only a single positive supply of +3.3v or +5v, no negative supply is required. the sy89322v is functionally equivalent to the sy100ept22v, but in an ultra-small 8-lead mlf package that features a 70% smaller footprint. the ultra-small package and the low skew, dual gate design of the sy89322v makes it ideal for those applications where space, performance and low power are at a premium. precision edge precision edge is a registered trademark of micrel, inc. micro leadframe and mlf are registered trademarks of amkor technology, inc. 3.3v/5v dual lvttl/lvcmos-to-differential lvpecl translator block diagram q0 /q0 ino lvttl lvpecl q1 /q1 ini
2 sy89322v micrel, inc. m9999-060809 hbwhelp@micrel.com or (408) 955-1690 pin description pin number pin name type pin function 1, 2, q0, /q0, 100k ecl output differential lvpecl outputs: default to low if in input left open. see 3, 4 q1, /q1 output interface applications section for recommendations on terminations. 5 gnd, ground gnd and exposed pad must be tied to ground plane. exposed pad 6, 7 in1, in0 ttl/lvttl input single-ended ttl inputs. 8 vcc power positive power supply: bypass with 0.1 f//0.01 f low esr capacitors. package/ordering information q0 /q0 q1 lvttl /q1 vcc in0 in1 lvpecl gnd 1 2 3 4 8 7 6 5 8-pin mlf ultra-small outline (2mm 2mm) ordering information package operating package lead part number type range marking finish sy89322vmitr mlf-8 industrial 322 sn-pb sy89322vmgtr (1) mlf-8 industrial 322 with pb-free pb-free bar-line indicator nipdau note: 1. pb-free package is recommended for new designs.
3 sy89322v micrel, inc. m9999-060809 hbwhelp@micrel.com or (408) 955-1690 absolute maximum ratings (1) supply voltage (v cc ) .................................. 0.5v to +6.0v input voltage (v in ) ......................................... 0.5v to v cc lvpecl output current (i out ) continuous ............................................................. 50ma surge .................................................................... 100ma input current source or sink current on in, /in .......................... 50ma lead temperature (soldering, 20 sec.) ................... +260 c storage temperature (t s ) ....................... 65 c to +150 c operating ratings (2) supply voltage (v cc ) .................................. +3.0v to +3.6v ............................................................ +4.5v to +5.5v ambient temperature (t a ) ......................... 40 c to +85 c package thermal resistance (3) mlf ( ja ) still-air ................................................................. 93 c/w 500lfpm ............................................................... 87 c/w mlf ( jb ) junction-to-board ................................................ 60 c/w t a = 40 c to +85 c symbol parameter condition min typ max units v cc power supply voltage 3.0 3.6 v 4.5 5.5 v i cc power supply current 25 ma dc electrical characteristics v cc = +3.3v 10% or +5.0v 10%; t a = 40 c to +85 c, unless otherwise noted. symbol parameter condition min typ max units v ih input high voltage 2.0 v v il input low voltage 0.8 v i ih input high current v in = 2.7v 20 a v in = v cc 100 a i il input low current v in = 0.5v 0.2 ma v ik input clamp voltage i in = 18ma 1.2 v ttl dc electrical characteristics v cc = +3.3v 10% or +5v 10%; r l = 50 ? to v cc 2v; t a = 40 c to +85 c, unless otherwise noted. symbol parameter condition min typ max units v oh output high v cc 1.080 v cc 0.880 v v ol output low voltage v cc 1.83 v cc 1.550 v notes: 1. permanent device damage may occur if absolute maximum ratings are exceeded. this is a stress rating only and functional operati on is not implied at conditions other than those detailed in the operational sections of this data sheet. exposure to absolute maximum ratlng con ditions for extended periods may affect device reliability. 2. the data sheet limits are not guaranteed if the device is operated beyond the operating ratings. 3. package thermal resistance assumes exposed pad is soldered (or equivalent) to the devices most negative potential on the pcb. pecl dc electrical characteristics
4 sy89322v micrel, inc. m9999-060809 hbwhelp@micrel.com or (408) 955-1690 v cc = +3.3v 10% or +5.0v 10%; r l = 50 ? to v cc 2v, t a = 40 c to +85 c, unless otherwise noted. symbol parameter condition min typ max units f max maximum toggle frequency 800 mhz t pd propagation delay in-to-q 100 600 ps t skew within-device skew note 4 100 ps part-to-part jitter note 4 500 ps t jitter cycle-to-cycle jitter note 5 2ps rms total jitter note 6 25 ps pp t r , t f output rise/fall time (20% to 80%) 200 500 ps notes: 4. same transition at common v cc levels. 5. cycle-to-cycle jitter definition: the variation of periods between adjacent cycles, t n t n 1 ,where t is the time between rising edges of the output signal. 6. total jitter definition: with an ideal clock input of frequency f max , no more than one output edge in 10 12 output edge will deviate by more than the specified peak-to-peak jitter value. ac electrical characteristics lvpecl output interface applications z o = 50 ? r2 r1 r1 r2 r3 r4 v cc 2v v cc 1.3v v cc v cc v cc v cc v cc = 3.3v; r1 = 130 ? , r2 = 82 ? , r3 = 1k ? , r4 = 1.6k ? , v cc = 5v; r1 = 83 ? , r2 = 125 ? , r3 = 1k ? , r4 = 2.8k ? , figure 1c. terminating unused i/o r2 r2 z o = 50 ? z o = 50 ? r1 r1 v cc 2v v cc v cc v cc v cc = 3.3v; r1 = 130 ? , r2 = 82 ? v cc = 5v; r1 = 83 ? , r2 = 125 ? figure 1a. parallel thevenin- equivalent termination z o = 50 ? z o = 50 ? r pd 50 ? 50 ? c (optional) 0.01 f v cc 2v v cc v cc v cc = 3.3v; r pd = 50 ? v cc = 5v; r pd = 100 ? figure 1b. three resistor ? termination
5 sy89322v micrel, inc. m9999-060809 hbwhelp@micrel.com or (408) 955-1690 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 datasheet is believed to be accurate and reliable. however, no responsibility is as sumed 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. 8-pin ultra-small epad- micro leadframe (mlf-8) package ep- exposed pad die compside island heat dissipation heavy copper plane heavy copper plane v ee v ee heat dissipation pcb thermal consideration for 8-pin mlf package package notes: 1. package meets level 2 qualification. 2. all parts are dry-packaged before shipment. 3. exposed pads must be soldered to a ground for proper thermal management.
|
