mdu3c doc #97039 data delay devices, inc. 1 12/12/97 3 mt. prospect ave. clifton, nj 07013 triple, hcmos-interfaced fixed delay line (series mdu3c) features packages three independent delay lines fits standard 14-pin dip socket low profile auto-insertable input & outputs fully cmos interfaced & buffered 10 t 2 l fan-out capability functional description the mdu3c-series device is a 3-in-1 digitally buffered delay line. the signal inputs (i1-i3) are reproduced at the outputs (o1-o3), shifted in time by an amount determined by the device dash number (see table). the delay lines function completely independently of each other. series specifications minimum input pulse width: 100% of total delay output rise time: 8ns typical supply voltage: 5vdc 5% supply current: i ccl = 40 m a typical i cch = 60ma typical operating temperature: 0 to 70 c temp. coefficient of total delay: 300 ppm/ c 100% vcc gnd i1 i2 i3 functional block diagram 100% 100% o3 o2 o1 1997 data delay devices data delay devices, inc. 3 1 2 3 4 5 6 7 14 13 12 11 10 9 8 i1 n/c i2 n/c i3 n/c gnd vdd n/c o1 n/c o2 n/c o3 14 12 10 8 1 3 5 7 i1 i2 i3 gnd vdd o1 o3 o5 mdu3c-xx dip mdu3c-xxa2 gull-wing mdu3c-xxb2 j-lead mdu3c-xxm military dip military smd mdu3c-xxmc2 pin descriptions i1-i3 signal inputs o1-o3 signal outputs vdd +5 volts gnd ground dash number specifications part number delay per line (ns) mdu3c-10 10 2.0 mdu3c-15 15 2.0 mdu3c-20 20 2.0 mdu3c-25 25 2.0 mdu3c-30 30 2.0 mdu3c-40 40 2.0 mdu3c-50 50 2.5 mdu3c-60 60 3.0 mdu3c-75 75 3.7 mdu3c-100 100 5.0 note: any dash number between 10 and 100 not shown is also available.
mdu3c doc #97039 data delay devices, inc. 2 12/12/97 tel: 973-773-2299 fax: 973-773-9672 http://www.datadelay.com application notes high frequency response the mdu3c 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 100% of the total delay and periods as small as 200% 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 mdu3c relies on a stable power supply to produce repeatable delays within the stated tolerances. a 0.1uf capacitor from vdd to gnd, located as close as possible to the vdd pin, is recommended. a wide vdd 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 dd -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 l ead 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 3.98 4.4 v v dd = 5.0, i oh = max v ih = min, v il = max low level output voltage v ol 0.15 0.26 v v dd = 5.0, i ol = max v ih = min, v il = max high level output current i oh -4.0 ma low level output current i ol 4.0 ma high level input voltage v ih 3.15 v low level input voltage v il 1.35 v input current i ih 0.10 m a v dd = 5.0
mdu3c doc #97039 data delay devices, inc. 3 12/12/97 3 mt. prospect ave. clifton, nj 07013 package dimensions mdu3c-xx (commercial dip) .780 max. 1 3 5 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 mdu3c-xxm (military dip) .130 .030 .820 max. 1 3 5 7 8 14 12 10 .320 max. .018 typ. .410 typ. .300 typ. .020 typ. .600 typ. .020 typ. .200 typ. mdu3c-xxa2 (commercial gull-wing) .790 max. .430 typ. .020 typ. .040 typ. .200 .090 .600 .300 max. .270 typ. .010 typ. .050 typ. 1 3 5 7 8 10 12 14 mdu3c-xxb2 (commercial j-lead) .790 max. 1 3 5 7 8 .320 typ. .020 typ. .040 typ. .200 .110 .600 .350 max. .270 typ. .050 typ. .110 typ. 10 12 14 mdu3c-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
mdu3c doc #97039 data delay devices, inc. 4 12/12/97 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 (vdd): 5.0v 0.1v c load : 5pf 10% input pulse: high = 5.0v 0.1v threshold: 2.5v (rising & falling) low = 0.0v 0.1v source impedance: 50 w max. rise/fall time: 5.0 ns max. (measured between 0.5v and 4.5v ) 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. o1 out trig in ref trig test setup device under test (dut) time interval counter pulse generator computer system printer i1 o2 o3 i2 i3 0.5v 0.5v timing diagram for testing t rise t fall per in pw in t rise t fall 2.5v 2.5v 4.5v 4.5v 2.5v 2.5v v ih v il v oh v ol input signal output signal
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