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DDU7C-25M Datasheet(PDF) 1 Page - Data Delay Devices, Inc. |
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DDU7C-25M Datasheet(HTML) 1 Page - Data Delay Devices, Inc. |
1 / 4 page DDU7C Doc #97019 DATA DELAY DEVICES, INC. 1 1/30/97 3 Mt. Prospect Ave. Clifton, NJ 07013 10-TAP, TTL-INTERFACED FIXED DELAY LINE (SERIES DDU7C) FEATURES PACKAGES • Ten equally spaced outputs • Fits standard 16-pin DIP socket • Low profile • Auto-insertable • Input & outputs fully CMOS interfaced & buffered • 10 T 2L fan-out capability FUNCTIONAL DESCRIPTION The DDU7C-series device is a 10-tap digitally buffered delay line. The signal input (IN) is reproduced at the outputs (T1-T10), shifted in time by an amount determined by the device dash number. The nominal tap-to-tap delay increment is given by 1/10 of the dash number. For dash numbers less than 50, the total delay of the line is measured from T1 to T10, with the nominal value given by 9 times the increment. The inherent delay from IN to T1 is nominally 8.0ns. For dash numbers greater than or equal to 50, the total delay of the line is measured from IN to T10, with the nominal value given by the dash number. SERIES SPECIFICATIONS • Minimum input pulse width: 20% of total delay • Output rise time: 8ns typical • Supply voltage: 5VDC ± 5% • Supply current: ICCL = 40 µa typical ICCH = 10ma typical • Operating temperature: 0 ° to 70° C • Temp. coefficient of total delay: 300 PPM/ °C 10% 10% 10% 10% VCC GND IN T1 T2 T3 T4 T10 Functional diagram for dash numbers < 50 3.5ns 10% 10% 10% 10% T5 T6 T7 T8 10% T9 10% 10% 10% 10% VCC GND IN T1 T2 T3 T4 T10 Functional diagram for dash numbers >= 50 10% 10% 10% 10% T5 T6 T7 T8 10% T9 10% © ©1997 Data Delay Devices data delay devices, inc. ® ® 3 16 15 14 13 12 11 10 9 1 2 3 4 5 6 7 8 IN T2 T4 T6 T8 T10 N/C GND VDD T1 T3 T5 T7 T9 N/C N/C 14 13 12 11 10 9 8 1 2 3 4 5 6 7 IN N/C T2 T4 T6 T8 GND VDD T1 T3 T5 T7 T9 T10 DDU7C-xx DIP DDU7C-xxA3 Gull-Wing DDU7C-xxB3 J-Lead DDU7F-xxMC3 Military SMD Military DIP DDU7C-xxM PIN DESCRIPTIONS IN Signal Input T1-T10 Tap Outputs VDD +5 Volts GND Ground DASH NUMBER SPEC.’S Part Number Total Delay (ns) Delay Per Tap (ns) DDU7C-25 22.5 ± 2.0 * 2.5 ± 1.0 DDU7C-100 100 ± 5.0 10.0 ± 2.0 DDU7C-150 150 ± 7.5 15.0 ± 2.0 DDU7C-200 200 ± 10.0 20.0 ± 2.0 DDU7C-250 250 ± 12.5 25.0 ± 2.0 DDU7C-300 300 ± 15.0 30.0 ± 3.0 DDU7C-400 400 ± 20.0 40.0 ± 4.0 DDU7C-500 500 ± 25.0 50.0 ± 5.0 * Total delay is referenced to first tap Input to first tap = 8.0ns ±± 2ns NOTE: Any dash number between 25 and 500 not shown is also available. |
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