www.iterrac.com IT4011 xor gate (advanced information) this is an advanced data sheet. see ?p roduct status definitions? on web site or catalog for product development status. august 8, 2005 doc. 1488 rev 0 1 iterra communications 2400 geng road, ste. 100, palo alto, ca 94303 phone (650) 424-1937, fax (650) 424-1938 description features IT4011 is a high-speed logic exclusive or (xor) device fabricated using 1-m gaas hbt technology. it features high output voltage, fast rise and fall times, and excellent eye diagram at data rates up to 12.5 gb/s. applications in clude xor logic up to 12.5 gb/s, edge detection and manchester encoding up to 10.709 gb/s, and x2 clo ck multiplication with inputs up to 6.25 ghz. the IT4011 employs an ecl topology to guarant ee high-speed operation. data inputs and output are dc coupled, and internal 50-ohm resistors at the input e liminate the need for external impedance matching terminations. inputs can be eit her single-ended or differential, and a high- performance output buffer ensure superior eye diagram performance. ? data rate range: dc to 12.5 gb/s ? typical single-ended output : 800 mvpp ? input sensitivity: >300 mv (single-ended) ? jitter rms < 1.8 ps ? output rise time (20% to 80%): < 22 ps ? output fall time (20% to 80%): < 19 ps ? 50-ohm matched dc-coupled inputs and outputs ? differential or single-ended i/o ? power consumption: 750 mw device diagram
www.iterrac.com IT4011 xor gate (advanced information) this is an advanced data sheet. see ?p roduct status definitions? on web site or catalog for product development status. august 8, 2005 doc. 1488 rev 0 2 iterra communications 2400 geng road, ste. 100, palo alto, ca 94303 phone (650) 424-1937, fax (650) 424-1938 symbol parameters/conditions min. max. units vee power supply voltage -5.5 0 v vih data/clock input voltage level, high level -1.2 1.2 v vil data/clock input voltage level, low level -1.2 1.2 v ta operating temperature range- die -15 125 c tstg storage temperature -65 150 c absolute maximum ratings 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. recommended operating conditions symbo l parameters/conditions min. typ. max. units tc operating temperature range (tcase) 0 85 c vee power supply voltage -5 v vih data input voltage level, high level (single-ended) 0 v vil data input voltage level, low level (single-ended) -0.9 v vindc dc input voltage (with dc-coupled input) -0.45 v
www.iterrac.com IT4011 xor gate (advanced information) this is an advanced data sheet. see ?p roduct status definitions? on web site or catalog for product development status. august 8, 2005 doc. 1488 rev 0 3 iterra communications 2400 geng road, ste. 100, palo alto, ca 94303 phone (650) 424-1937, fax (650) 424-1938 electrical characteristics 1 symbol parameters min typ max units v ee power supply voltage -5.25 -5.0 -4.75 v v ih data input voltage level, high level (single-ended) -0.5 0.0 0.5 v v il data input voltage level, low level (single-ended) -1 -0.9 0.0 v differential peak-to-peak 0.3 1.8 2.0 v single-ended peak-to- peak 0.3 0.9 1.0 v v indc dc input voltage (with dc-coupled input) 2 -0.75 -0.45 0.25 v v out data output voltage amplidude (o,ob) single-ended, peak-to-peak 0.7 0.8 0.85 v v oh data output voltage high level (o, ob) 3 -0.1 0 -- v v outc data output voltage, common mode (o, ob) single- ended 3 -0.4 -0.35 -0.3 v tr output rise time (20% to 80%) 20 22 ps tf output fall time (20% to 80%) 17 19 ps td data in to data out delay 4 80 ps rlin input return loss (up to 15 ghz) 4 15 db rlout output return loss (up to 15 ghz) 4,5 5d b jpp peak to peak jitter 4 7.7 10 ps jrms rms jitter 0.82 1.54 2.1 ps ic power supply current 137 150 162 ma pd power dissipation 0.65 0.75 0.85 w v inpp data input amplitude 1. at ambient temperature 2. in the case of single-ended inputs, the unused one must be tied to vindc. in the case of single-ended outputs, the unused one must be terminated with 50 ohms to ground. 3. the output common mode is application dependent. the figures in the table do not apply when the IT4011 is used as an edge detector. 4. simulated data. 5. rlout increases up to 9.5 db by inserting a 10-ohm series resistor on the outputs. timing diagram
www.iterrac.com IT4011 xor gate (advanced information) this is an advanced data sheet. see ?p roduct status definitions? on web site or catalog for product development status. august 8, 2005 doc. 1488 rev 0 4 iterra communications 2400 geng road, ste. 100, palo alto, ca 94303 phone (650) 424-1937, fax (650) 424-1938 eye diagram performance IT4011 used as xor gate. 10.709 gb/s nrz inputs, 1.8 vpp differential on din1 and din2. power supply voltage: -5 v power supply current: 150 ma open frame IT4011 used as edge detector. 10.709 gb/s nrz inputs, 1.8 vpp differential on din1 and din2. power supply voltage: -5 v power supply current: 150 ma open frame IT4011 used as x2 clock multiplier. 6.25 ghz clock inputs, 1.8 vpp differential on din1 and din2. power supply voltage: -5 v power supply current: 150 ma open frame IT4011 used as xor gate. 12.5 gb/s nrz inputs, 1.8 vpp differential on din1 and din2. power supply voltage: -5 v power supply current: 150 ma open frame IT4011 used as manchester encoder. 10.709 gb/s nrz inputs, 1.8 vpp differential on din1 and din2. power supply voltage: -5 v power supply current: 150 ma open frame IT4011 used as x2 clock multiplier. 5.36 ghz clock inputs, 1.8 vpp differential on din1 and din2. power supply voltage: -5 v power supply current: 150 ma open frame
www.iterrac.com IT4011 xor gate (advanced information) this is an advanced data sheet. see ?p roduct status definitions? on web site or catalog for product development status. august 8, 2005 doc. 1488 rev 0 5 iterra communications 2400 geng road, ste. 100, palo alto, ca 94303 phone (650) 424-1937, fax (650) 424-1938 eye diagram performance (cont.) recommended operational setup IT4011 used as manchester encoder wi th different input amplitudes, 6.25 gb/s nrz inputs. a. 1.8 vpp differential on din1 and din2. b. 0.6vpp differential on din1 and din2. power supply voltage: -5 v power supply current: 150 ma open frame b. a. vee= -5v
www.iterrac.com IT4011 xor gate (advanced information) this is an advanced data sheet. see ?p roduct status definitions? on web site or catalog for product development status. august 8, 2005 doc. 1488 rev 0 6 iterra communications 2400 geng road, ste. 100, palo alto, ca 94303 phone (650) 424-1937, fax (650) 424-1938 pinouts: p1: din 1 p9: vee p2: n/c p10: d out p3: din 1/ p11: n/c p4: vee p12: d out/ p5: din 2/ p13: vee p6: n/c p14: n/c p7: din 2 p15: n/c p8: n/c p16: vee package drawings, pinouts
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