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| DDU4C 5-TAP, HCMOS-INTERFACED FIXED DELAY LINE (SERIES DDU4C) FEATURES * * * * * * Five equally spaced outputs Fits standard 8-pin DIP socket Low profile Auto-insertable Input & outputs fully CMOS interfaced & buffered 2 10 T L fan-out capability IN 1 14 12 T2 T4 GND 4 10 6 7 8 data 3 (R) delay devices, inc. PACKAGES VCC T1 T3 T5 IN N/C N/C T2 N/C T4 GND 1 2 3 4 5 6 7 14 13 12 11 10 9 8 VDD N/C T1 N/C T3 N/C T5 DIP DDU4C-xx Comm. DDU4C-xxM Military SMD DDU4C-xxA2 Comm. DDU4C-xxB2 Comm. DDU4C-xxMC2 Military FUNCTIONAL DESCRIPTION The DDU4C-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). 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 the total delay. PIN DESCRIPTIONS IN T1-T5 VDD GND Signal Input Tap Outputs +5 Volts Ground SERIES SPECIFICATIONS * * * * * * Minimum input pulse width: 20% of total delay Output rise time: 8ns typical Supply voltage: 5VDC 5% Supply current: ICCL = 40a typical ICCH = 10ma typical Operating temperature: 0 to 70 C Temp. coefficient of total delay: 300 PPM/C DASH NUMBER SPECIFICATIONS Part Number DDU4C-5050 DDU4C-5060 DDU4C-5075 DDU4C-5100 DDU4C-5125 DDU4C-5150 DDU4C-5200 DDU4C-5250 DDU4C-5300 DDU4C-5400 DDU4C-5500 Total Delay (ns) 50 2.5 60 3.0 75 4.0 100 5.0 125 6.5 150 7.5 200 10.0 250 12.5 300 15.0 400 20.0 500 25.0 Delay Per Tap (ns) 10.0 3.0 12.0 3.0 15.0 3.0 20.0 3.0 25.0 3.0 30.0 3.0 40.0 4.0 50.0 5.0 60.0 6.0 80.0 8.0 100.0 10.0 NOTE: Any dash number between 5050 and 5500 not shown is also available. 20% 20% 20% 20% 20% VDD IN T1 T2 T3 T4 T5 GND DDU4C Functional diagram (c) 1997 Data Delay Devices Doc #97034 12/10/97 DATA DELAY DEVICES, INC. 3 Mt. Prospect Ave. Clifton, NJ 07013 1 DDU4C APPLICATION NOTES HIGH FREQUENCY RESPONSE The DDU4C 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 DDU4C 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 DC Supply Voltage Input Pin Voltage Storage Temperature Lead Temperature SYMBOL VDD VIN TSTRG TLEAD MIN -0.3 -0.3 -55 MAX 7.0 VDD+0.3 150 300 UNITS V V C C NOTES 10 sec TABLE 2: DC ELECTRICAL CHARACTERISTICS (0C to 70C, 4.75V to 5.25V) PARAMETER High Level Output Voltage Low Level Output Voltage High Level Output Current Low Level Output Current High Level Input Voltage Low Level Input Voltage Input Current SYMBOL VOH VOL IOH IOL VIH VIL IIH MIN 3.98 TYP 4.4 0.15 MAX UNITS V V mA mA V V A NOTES VDD = 5.0, IOH = MAX VIH = MIN, VIL = MAX VDD = 5.0, IOL = MAX VIH = MIN, VIL = MAX 0.26 -4.0 4.0 3.15 1.35 0.10 VDD = 5.0 Doc #97034 12/10/97 DATA DELAY DEVICES, INC. Tel: 973-773-2299 Fax: 973-773-9672 http://www.datadelay.com 2 DDU4C PACKAGE DIMENSIONS 14 12 10 8 Lead Material: Nickel-Iron alloy 42 TIN PLATE 14 12 10 8 .410 TYP. 1 4 6 7 1 4 6 7 .780 MAX. .280 MAX. .290 MAX. .820 MAX. .020 .320 TYP. MAX. .130 .030 .018 TYP. .600 TYP. .100 TYP. .015 TYP. .010.002 .018 TYP. .070 MAX. .600.010 .350 MAX. .020 TYP. .300 TYP. DDU4C-xx (Commercial DIP) DDU4C-xxM (Military DIP) .020 TYP. 14 13 12 11 10 9 8 .040 TYP. .270 TYP. .010 TYP. .020 TYP. 14 13 12 11 10 9 8 .040 TYP. .270 TYP. .050 TYP. .320 TYP. .430 TYP. 1 2 3 4 5 6 7 1 2 3 4 5 6 7 .090 .100 .600 .790 MAX. .300 MAX. .050 TYP. .110 .100 .600 .790 MAX. .350 MAX. .110 TYP. DDU4C-xxA2 (Commercial Gull-Wing) DDU4C-xxB2 (Commercial J-Lead) .020 TYP. 14 13 12 11 10 9 8 .040 TYP. .010.002 .710 .590 .005 MAX. .882 .005 .007 .005 1 2 3 4 5 6 7 .090 .100 .600 .780.020 .320 MAX. .050 .010 DDU4C-xxMC2 (Military SMD) Doc #97034 12/10/97 DATA DELAY DEVICES, INC. 3 Mt. Prospect Ave. Clifton, NJ 07013 3 DDU4C DELAY LINE AUTOMATED TESTING TEST CONDITIONS INPUT: o o Ambient Temperature: 25 C 3 C Supply Voltage (VDD): 5.0V 0.1V Input Pulse: High = 5.0V 0.1V Low = 0.0V 0.1V Source Impedance: 50 Max. Rise/Fall Time: 5.0 ns Max. (measured between 0.5V and 4.5V ) Pulse Width: PWIN = 1.5 x Total Delay Period: PERIN = 10 x Total Delay OUTPUT: Load: Cload: Threshold: 1 FAST-TTL Gate 5pf 10% 2.5V (Rising & Falling) NOTE: The above conditions are for test only and do not in any way restrict the operation of the device. COMPUTER SYSTEM PRINTER REF PULSE GENERATOR OUT TRIG IN DEVICE UNDER TEST (DUT) T1 T2 T3 T4 T5 IN TRIG TIME INTERVAL COUNTER Test Setup PERIN PWIN TRISE INPUT SIGNAL 4.5V 2.5V 0.5V TFALL VIH 4.5V 2.5V 0.5V VIL TFALL TRISE OUTPUT SIGNAL VOH 2.5V 2.5V VOL Timing Diagram For Testing Doc #97034 12/10/97 DATA DELAY DEVICES, INC. Tel: 973-773-2299 Fax: 973-773-9672 http://www.datadelay.com 4 |
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