www.digimimic.com DM4035 1:4 power splitter (preliminary information) october 27, 2007 doc. 4035 rev 1 1 digimimic via dell'orsa maggiore 21, 00144 rome, italy phone +39 (06) 5582904 +39 (06) 5587394 specifications are based on most current or latest revision. description features device diagram the DM4035 is an ultra wideband 1-to-4 active power splitter fabricated using a 0.1 mm hbt gaas technology. it is based on an ecl topology in order to guarantee high-speed operations. the device is capable of replicating nrz streams with data rate up to 12.5gb/s or clock signal with frequency up to 12.5ghz. the inputs and the outputs are dc coupled. at the input side the internal 50 ohm resistors avoid the need for external impedance matching terminations. the DM4035 uses scfl i/o levels and is designed so to allow for either single ended or differential data input. is an ultra- wideband phase delay fabricated using 1-um hbt gaas technology and is based on ecl topology to guarantee high-speed operation. the large output voltage, excellent rise and fall time and the good quality of the eye diagram at all data rates up to 12.5gb/s makes the DM4035 suitable for data and clock distribution at a very high speed. complex digital applications may benefit from the DM4035: as an example clock and data distribution. ? ultra wideband: up to 12.5 gb/s nrz ? high input sensitivity: 300mv single ended ? 900 mvpp single-ended output ? jitter rms: <1.5 ps ? output rise time (20% C 80 %): <20 ps ? output fall time (20% C 80 %): <17 ps ? 50-ohm matched dc-coupled inputs and outputs ? differential or single ended i/o ? power consumption: 2.0 w timing diagram it4035 50 o hm 50 o hm v ee din din/ out1/ out1 60 o hm 60 o hm out2/ out2 60 o hm 60 o hm out4/ out4 60 o hm 60 o hm out3/ out3 60 o hm 60 o hm td h td l 50% 50% doutx v oh v ol 50% 50% din v ih v il to h to l
www.digimimic.com DM4035 1:4 power splitter (preliminary information) october 27, 2007 doc. 4035 rev 1 2 digimimic via dell'orsa maggiore 21, 00144 rome, italy phone +39 (06) 5582904 +39 (06) 5587394 specifications are based on most current or latest revision. absolute maximum ratings recommended operating conditions stresses above those listed under absolute maximum ratings may cause permanent damage to the device. this is a stress rating only; functional operation of the device at these or any other conditions above those indicated in the operational section of this document is not implied. exposure to absolute maximum rating conditions for extended periods may affect device reliability. electrical characteristics 1. electrical characteristics at ambient temperature. 2. in case of single- ended input, the unused pad must be tied to vindc. 3. in case of single- ended output, the unused pad must be terminated with 50 ohms to ground. 4. on a 12.5 gb/s prbs pattern. c 150 -65 storage temperature tstg c 125 -15 operating temperature range C die ta v 0 -5.0 delay control voltage vc v 1.5 -1.5 input voltage level, low level vil v 1.5 -1.5 input voltage level, high level vih v 0 -5.5 power supply voltage vee units max. min. parameters/conditions symbol symbol parameters/conditions min. typ. max. units t a operating temperature range C die 0 85 c v ee power supply voltage -5 v v ih input voltage level, high level (single ended) 0.0 v v il input voltage level, low level (single ended) -0.9 v symbol parameters min typ max units v ee power supply voltage -4.5 -5.00 -5.25 v v ih input voltage level, high level (single ended) 0.0 v v il input voltage level, low level (single ended) -0.9 v v indc dc input voltage (with dc-coupled input) (2) -0.45 v v out data output voltage amplidude (3) 0.8 0.9 1.0 v t r output rise time (20% C 80 %) 20 ps t f output fall time (20% C 80 %) 17 ps s 11 input return loss (up to 15ghz) 20 db s 22 output return loss (up to 15ghz) 8 db f max maximum clock frequency 12.5 ghz j p-p peak-to-peak jitter (4) 9 ps j rms rms jitter (4) 1.5 ps i ee power supply current 400 ma p d power dissipation 2.0 w
www.digimimic.com DM4035 1:4 power splitter (preliminary information) october 27, 2007 doc. 4035 rev 1 3 digimimic via dell'orsa maggiore 21, 00144 rome, italy phone +39 (06) 5582904 +39 (06) 5587394 specifications are based on most current or latest revision. eye diagram performance die measurement vee: -5v input data rate 10.7 gb/s single ended data input (0/-500mv) die measurement vee: -5v input clock frequency 10.7ghz differential data input (0/-500mv) die measurement vee: -5v input data rate 12.5 gb/s single ended data input (0/-500mv) die measurement vee: -5v input clock frequency 12.5ghz single ended data input (0/-500mv)
www.digimimic.com DM4035 1:4 power splitter (preliminary information) october 27, 2007 doc. 4035 rev 1 4 digimimic via dell'orsa maggiore 21, 00144 rome, italy phone +39 (06) 5582904 +39 (06) 5587394 specifications are based on most current or latest revision. die pinout and dimensions it4035 0 1 0 2 5 1 1 7 5 1 3 2 5 1 4 7 5 1 6 2 5 2 6 5 0 gnd din gnd din/ gnd 8 7 5 vee3 vee2 1 7 7 5 1900 0 1 8 5 vee4 vee1 2 4 6 5 380 230 110 vee4 gnd dout2/ 680 530 gnd dout2 950 830 gnd vee5 1220 1070 gnd dout3/ 1520 1370 gnd dout3 1790 1670 gnd vee6 6 7 5 gnd 1 9 7 5 gnd vee7 vee8 vee6 vee9 gnd gnd vee1 gnd dout1/ gnd dout1 gnd vee10 gnd dout4/ gnd dout4 gnd vee9
www.digimimic.com DM4035 1:4 power splitter (preliminary information) october 27, 2007 doc. 4035 rev 1 5 digimimic via dell'orsa maggiore 21, 00144 rome, italy phone +39 (06) 5582904 +39 (06) 5587394 specifications are based on most current or latest revision. recommended chip assembly digimimic reserves the right to make changes without further notice to any products herein to improve reliability, function or design. digimimic does not assume any liability arising out o the application or use of any product or circuit described herein; neither does it convey any license under its patent rights, nor the rights of others. disclaimer t e x t 5 6 0 p f 1 uf it4035 t e x t 5 6 0 p f 1 u f t e x t 5 6 0 p f 1 u f t e x t 5 6 0 p f 1 u f vee gnd gnd gnd d in d in/ t e x t 5 6 0 p f 1 u f t e x t 5 6 0 p f 1 uf g n d g n d g n d d o u t 1 / d o u t 1 g n d g n d g n d d o u t 4 / d o u t 4 g n d g n d g n d d o u t 2 / d o u t 2 g n d g n d g n d d o u t 3 / d o u t 3
www.digimimic.com DM4035 1:4 power splitter (preliminary information) october 27, 2007 doc. 4035 rev 1 6 digimimic via dell'orsa maggiore 21, 00144 rome, italy phone +39 (06) 5582904 +39 (06) 5587394 specifications are based on most current or latest revision. application information caution: this is an esd sensitive device chip carrier material should be selected to have gaas compatible thermal coefficient of expansion and high thermal conductivity such as copper molybdenum or copper tungsten. the chip carrier should be machined, finished flat, plated with gold over nickel and should be capable of withstanding 325c for 15 minutes. die attachment for power devices should utilize gold/tin (80/20) eutectic alloy solder and should avoid hydrogen environment for hbt devices. note that the backside of the chip is gold plated and it is connected to rf and dc ground. these gaas devices should be handled with care and stored in dry nitrogen environment to prevent contamination of bonding surfaces. these are esd sensitive devices and should be handled with appropriate precaution including the use of wrist-grounding straps. all die attach and wire/ribbon bond equipment must be well grounded to prevent static discharges through the device. recommended wire bonding: for signal input / output connections, use either 3 mils wide and 0.5 mil thick gold ribbon or a pair of 1mil diameter wires with lengths as short as practical allowing for appropriate stress relief (typically 400 +/- 100 um long). for all other connections, a single 1 mil dia wire of appropriate minimum length may be used. product status definitions definition product status datasheet identification this datasheet contains specifications on a product that has been discontinued by digimimic. the datasheet is printed for reference information only. not in production obsolete this datasheet contains final specifications. digimimic reserves the right to make changes at any time without notice in order to improve design. full production no identification needed this datasheet contains preliminary data, and supplementary data will be published at a later date. digimimic reserves the right to make changes at any time without notice in order to improve design. first production preliminary this datasheet contains the design specifications for product development. specifications may change in any manner without notice. formative or or in design advanced information
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