ddu4f doc #97033 data delay devices, inc. 1 12/10/97 3 mt. prospect ave. clifton, nj 07013 5-tap, ttl-interfaced fixed delay line (series ddu4f) features packages five equally spaced outputs fits standard 14-pin dip socket low profile auto- insertable input & outputs fully ttl interfaced & buffered 10 t 2 l fan-out capability functional description the ddu4f-series device is a 5-tap digitally buffered delay line. the signal input (in) is reproduced at the outputs (t1-t5), shifted in time by an amount determined by the device dash number (see table). for dash numbers less than 5025, the total delay of the line is measured from t1 to t5. the nominal tap-to-tap delay increment is given by one-fourth of the total delay, and the inherent delay from in to t1 is nominally 3.5ns. for dash numbers greater than or equal to 5025, the total delay of the line is measured from in to t5. the nominal tap-to-tap delay increment is given by one-fifth of this number. series specifications minimum input pulse width: 20% of total delay output rise time: 2ns typical supply voltage: 5vdc 5% supply current: i ccl = 32ma typical i cch = 7ma typical operating temperature: 0 to 70 c temp. coefficient of total delay: 100 ppm/ c 25% 25% 25% 25% vcc gnd in t1 t2 t3 t4 t5 functional diagram for dash numbers < 5025 3.5ns 20% 20% 20% 20% 20% vcc gnd in t1 t2 t3 t4 t5 functional diagram for dash numbers >= 5025 1997 data delay devices data delay devices, inc. 3 1 2 3 4 5 6 7 14 13 12 11 10 9 8 in n/c n/c t2 n/c t4 gnd vdd n/c t1 n/c t3 n/c t5 14 12 10 8 1 4 6 7 in t2 t4 gnd vcc t1 t3 t5 ddu4f-xx dip ddu4f-xxa2 gull-wing ddu4f-xxb2 j-lead ddu4f-xxm military dip military smd ddu4f-xxmc2 pin descriptions in signal input t1-t5 tap outputs vcc +5 volts gnd ground dash number specifications part number total delay ( ns) delay per tap ( ns) ddu4f-5004 4 1.0 * 1.0 0.5 ddu4f-5006 6 1.0 * 1.5 0.5 ddu4f-5008 8 2.0 * 2.0 1.0 ddu4f-5010 10 2.0 * 2.5 1.0 ddu4f-5012 12 2.0 * 3.0 1.0 ddu4f-5016 16 2.0 * 4.0 1.5 ddu4f-5020 20 3.0 * 5.0 2.0 ddu4f-5025 25 3.0 5.0 2.0 ddu4f-5030 30 3.0 6.0 2.0 ddu4f-5040 40 3.0 8.0 2.0 ddu4f-5050 50 3.0 10.0 3.0 ddu4f-5060 60 3.0 12.0 3.0 ddu4f-5075 75 4.0 15.0 3.0 ddu4f-5100 100 5.0 20.0 3.0 ddu4f-5125 125 6.5 25.0 3.0 ddu4f-5150 150 7.5 30.0 3.0 ddu4f-5200 200 10.0 40.0 4.0 ddu4f-5250 250 12.5 50.0 5.0 ddu4f-5300 300 15.0 60.0 6.0 ddu4f-5400 400 20.0 80.0 8.0 ddu4f-5500 500 25.0 100.0 10.0 * total delay is referenced to first tap output input to first tap = 3.5ns 1ns note: any dash number between 5004 and 5500 not shown is also available.
ddu4f doc #97033 data delay devices, inc. 2 12/10/97 tel: 973-773- 2299 fax: 973-773-9672 http://www.datadelay.com application notes high frequency response the ddu4f tolerances are guaranteed for input pulse widths and periods greater than those specified in the test conditions. although the device will function properly for pulse widths as small as 20% of the total delay and periods as small as 40% of the total delay (for a symmetric input), the delays may deviate from their values at low frequency. however, for a given input condition, the deviation will be repeatable from pulse to pulse. contact technical support at data delay devices if your application requires device testing at a specific input condition. power supply bypassing the ddu4f relies on a stable power supply to produce repeatable delays 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
ddu4f doc #97033 data delay devices, inc. 3 12/10/97 3 mt. prospect ave. clifton, nj 07013 package dimensions ddu4f-xx (commercial dip) .780 max. 1 4 6 7 8 14 12 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 ddu4f-xxm (military dip) .130 .030 .820 max. 1 4 6 7 8 14 12 10 .320 max. .018 typ. .410 typ. .300 typ. .020 typ. .600 typ. .020 typ. .100 typ. ddu4f-xxa2 (commercial gull-wing) .790 max. .430 typ. .020 typ. .040 typ. .100 .090 .600 .300 max. .270 typ. .010 typ. .050 typ. 1 4 6 7 8 10 12 14 ddu4f-xxb2 (commercial j-lead) .790 max. 1 4 6 7 8 .320 typ. .020 typ. .040 typ. .100 .110 .600 .350 max. .270 typ. .050 typ. .110 typ. 10 12 14 ddu4f-xxmc2 (military smd) .780 .020 .882 .005 1 2 3 4 5 6 7 8 .020 typ. .040 typ. .100 .090 .600 .280 max. .590 max. .010 .002 .050 .010 .710 .005 .007 .005 9 10 11 12 13 14
ddu4f doc #97033 data delay devices, inc. 4 12/10/97 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: pw in = 1.5 x total delay period: per in = 10 x total delay note: the above conditions are for test only and do not in any way restrict the operation of the device. t1 out trig in ref trig test setup device under test (dut) time interval counter pulse generator computer system printer in t2 t3 t4 t5 timing diagram for testing t rise t fall per in pw in t rise t fall 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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