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PDU10256H Datasheet(PDF) 1 Page - Data Delay Devices, Inc. |
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PDU10256H Datasheet(HTML) 1 Page - Data Delay Devices, Inc. |
1 / 5 page PDU10256H Doc #97047 DATA DELAY DEVICES, INC. 1 12/17/97 3 Mt. Prospect Ave. Clifton, NJ 07013 8-BIT, ECL-INTERFACED PROGRAMMABLE DELAY LINE (SERIES PDU10256H) FEATURES PACKAGES • Digitally programmable in 128 delay steps • Monotonic delay-versus-address variation • Precise and stable delays • Input & outputs fully 10KH-ECL interfaced & buffered • Fits 48-pin DIP socket PIN DESCRIPTIONS IN Signal Input OUT Signal Output A0-A7 Address Bits ENB Output Enable VEE -5 Volts GND Ground FUNCTIONAL DESCRIPTION The PDU10256H-series device is an 8-bit digitally programmable delay line. The delay, TDA, from the input pin (IN) to the output pin (OUT) depends on the address code (A7-A0) according to the following formula: TDA = TD0 + TINC * A where A is the address code, TINC is the incremental delay of the device, and TD0 is the inherent delay of the device. The incremental delay is specified by the dash number of the device and can range from 0.5ns through 10ns, inclusively. The enable pin (ENB) is held LOW during normal operation. When this signal is brought HIGH, OUT is forced into a LOW state. The address is not latched and must remain asserted during normal operation. SERIES SPECIFICATIONS • Total programmed delay tolerance: 5% or 2ns, whichever is greater Inherent delay (TD0): 12ns typical • Setup time and propagation delay: Address to input setup (TAIS): 3.6ns Disable to output delay (TDISO): 1.7ns typical • Operating temperature: 0 ° to 70° C • Temperature coefficient: 100PPM/ °C (excludes TD 0) • Supply voltage VEE: -5VDC ± 5% • Power Dissipation: 925mw typical (no load) • Minimum pulse width: 16% of total delay © ©1997 Data Delay Devices data delay devices, inc. ® ® 3 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 N/C N/C OUT GND ENB N/C N/C N/C GND ENB N/C N/C N/C N/C N/C N/C N/C GND ENB IN N/C N/C A2 A1 VEE A0 N/C A5 A4 VEE A3 N/C N/C N/C N/C N/C N/C A7 VEE A6 GND IN A6 VEE GND ENB A0 VEE 48 47 42 41 1 2 7 8 GND OUT A1 A2 GND A3 VEE 40 34 33 9 15 16 GND A4 A5 32 25 17 19 23 24 GND A7 PDU10256H-xxC5 SMD PDU10256H-xxMC5 Mil SMD PDU10256H-xx DIP PDU10256H-xxM Mil DIP DASH NUMBER SPECIFICATIONS Part Number Incremental Delay Per Step (ns) Total Delay (ns) PDU10256H-.5 0.5 ± 0.3 127.5 ± 6.4 PDU10256H-1 1.0 ± 0.5 255 ± 12.8 PDU10256H-2 2.0 ± 0.5 510 ± 25.5 PDU10256H-3 3.0 ± 1.0 765 ± 38.2 PDU10256H-4 4.0 ± 1.0 1020 ± 51.0 PDU10256H-5 5.0 ± 1.5 1275 ± 63.8 PDU10256H-6 6.0 ± 1.5 1530 ± 76.5 PDU10256H-8 8.0 ± 2.0 2040 ± 102 PDU10256H-10 10.0 ± 2.0 2550 ± 128 NOTE: Any dash number between .5 and 10 not shown is also available. |
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