dlo32f doc #98002 data delay d evices, inc. 1 3/17/98 3 mt. prospect ave. clifton, nj 07013 ttl-interfaced, gated delay line oscillator (series dlo32f) features packages continuous or keyable wave train synchronizes with arbitrary gating signal fits standard 14-pin dip socket low profile auto-insertable input & outputs fully ttl interfaced & buffered available in frequencies from 2mhz to 40mhz functional description the dlo32f-series device is a gated delay line oscillator. the device produces a stable square wave which is synchronized with the falling edge of the gate input (gb). the frequency of oscillation is given by the device dash number (see table). the two outputs (c1,c2) are in complementary during oscillation, but both return to logic low when the device is disabled. series specifications frequency accuracy: 2% inherent delay (t e0 ): 3ns typical output skew: 2.5ns typical output rise/fall time: 2ns typical supply voltage: 5vdc 5% supply current: 40ma typical (7ma when disabled) operating temperature: 0 to 70 c temperature coefficient: 100 ppm/ c (see text) gate (gb) clock 2 (c2) figure 1: timing diagram clock 1 (c1) t eo 1/f 0 t do t cs t gr 1998 data delay devices data delay devices, inc. 3 1 2 3 4 5 6 7 14 13 12 11 10 9 8 c1 n/c n/c n/c n/c n/c gnd vcc n/c n/c n/c c2 n/c gb 14 10 8 1 7 c1 gnd vcc c2 gb dlo32f-xx dip dlo32f-xxa2 gull-wing dlo32f-xxb2 j-lead dlo32f-xxm military dip military smd dlo32f-xxmd1 dlo32f-xxmd4 pin descriptions gb gate input c1 clock output 1 c2 cl ock output 2 vcc +5 volts gnd ground dash number specifications part number frequency (mhz) dlo32f-2 2.0 0.04 dlo32f-2.5 2.5 0.05 dlo32f-3 3.0 0.06 dlo32f-3.5 3.5 0.07 dlo32f-4 4.0 0.08 dlo32f-4.5 4.5 0.09 dlo32f-5 5.0 0.10 dlo32f-5.5 5.5 0.11 dlo32f-6 6.0 0.12 dlo32f-7 7.0 0.14 dlo32f-8 8.0 0.16 dlo32f-9 9.0 0.18 dlo32f-10 10 0.20 dlo32f-12 12 0.24 dlo32f-14 14 0.28 dlo32f-15 15 0.30 dlo32f-20 20 0.40 dlo32f-25 25 0.50 dlo32f-30 30 0.60 dlo32f-35 35 0.70 dlo32f-40 40 0.80 note: any dash number between 2 and 40 not shown is also available.
dlo32f doc #98002 data delay devices, inc. 2 3/17/98 tel: 973-773-2299 fax: 973-773-9672 http://www.datadelay.com application notes thermal stability the delay line used internally to develop the clock signals in the dlo32f has a thermal coefficient of 100ppm/c. for low frequency units, this is also the thermal coefficient of the output frequency. for higher frequency units, however, other internal effects must be considered, and the actual thermal coefficient may be somewhat higher. power supply bypassing the dlo32f relies on a stable power supply to produce a repeatable frequency within the stated tolerances. a 0.1uf capacitor from vcc to gnd, located as close as possible to the vcc pin, is recommended. a wide vcc trace and a clean ground plane should be used. device specifications table 1: absolute maximum ratings parameter symbol min max units notes dc supply voltage v cc -0.3 7.0 v input pin voltage v in -0.3 v dd +0.3 v storage temperature t strg -55 150 c lead temperature t lead 300 c 10 sec table 2: dc electrical characteristics (0c to 70c, 4.75v to 5.25v) parameter symbol min typ max units notes high level output voltage v oh 2.5 3.4 v v cc = min, i oh = max v ih = min, v il = max low level output voltage v ol 0.35 0.5 v v cc = min, i ol = max v ih = min, v il = max high level output current i oh -1.0 ma low level output current i ol 20.0 ma high level input voltage v ih 2.0 v low level input voltage v il 0.8 v input clamp voltage v ik -1.2 v v cc = min, i i = i ik input current at maximum input voltage i ihh 0.1 ma v cc = max, v i = 7.0v high level input current i ih 20 m a v cc = max, v i = 2.7v low level input current i il -0.6 ma v cc = max, v i = 0.5v short-circuit output current i os -60 -150 ma v cc = max output high fan-out 25 unit output low fan-out 12.5 load table 3: ac electrical characteristics (0c to 70c, 4.75v to 5.25v) parameter symbol min typ max units enable to clock on (inherent delay) t eo 1.5 3.0 4.5 ns disable to clock off t do 1.5 2.5 3.5 ns clock skew t cs 1.5 2.5 3.5 ns gate recovery time t gr 50 % of clock period
dlo32f doc #98002 data delay d evices, inc. 3 3/17/98 3 mt. prospect ave. clifton, nj 07013 package dimensions dlo32f-xx (commercial dip) .780 max. 1 7 8 14 10 .290 max. .015 typ. .070 max. .018 typ. .600 .010 .280 max. .350 max. .010 .002 lead material: nickel-iron alloy 42 tin plate dlo32f-xxm (military dip) .130 .030 .820 max. 1 7 8 14 10 .320 max. .018 typ. .410 typ. .300 typ. .020 typ. .600 typ. .020 typ. .200 typ. dlo32f-xxa2 (commercial gull-wing) .790 max. .430 typ. .020 typ. .040 typ. .090 .600 .300 max. .270 typ. .010 typ. .050 typ. 7 10 dlo32f-xxb2 (commercial j-lead) .790 max. 1 7 8 .320 typ. .020 typ. .040 typ. .200 .110 .600 .350 max. .270 typ. .050 typ. .110 typ. 10 14 .510 max. 1 7 8 .510 max. 14 .300 typ. .017 .050 .100 .100 .300 .300 .008 .045 .025 .360 typ. .065 typ. .065 typ. .200 max. ( com) .225 max. (mil) dlo32f-xxd1 (commercial smd) dlo32f-xxmd1 (military smd) .080 .080 .510 max. 1 7 8 14 .510 max. .017 .050 .300 typ. .100 .100 .650 .008 .005 .065 typ. .360 typ. .065 typ. dlo32f-xxd4 (commercial smd) dlo32f-xxmd4 (military smd) .200 max. ( com) .225 max. (mil)
dlo32f doc #98002 data delay devices, inc. 4 3/17/98 tel: 973-773-2299 fax: 973-773-9672 http://www.datadelay.com delay line automated testing test conditions input: output: ambient temperature: 25 o c 3 o c load: 1 fast-ttl gate supply voltage (vcc): 5.0v 0.1v c load : 5pf 10% input pulse: high = 3.0v 0.1v threshold: 1.5v (rising & falling) low = 0.0v 0.1v source impedance: 50 w max. rise/fall time: 3.0 ns max. (measured between 0.6v and 2.4v ) pulse width low: pw in = 10 x clock period period: per in = 20 x clock period note: the above conditions are for test only and do not in any way restrict the operation of the device. c1 out trig in trig test setup device under test (dut) oscilloscope pulse generator gb c2 frequency counter timing diagram for testing t eo per in pw in t fall t rise 0.6v 0.6v 1.5v 1.5v 2.4v 2.4v 1.5v 1.5v v ih v il v oh v ol input signal output signal
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