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PDU15F-12 Datasheet(PDF) 1 Page - Data Delay Devices, Inc. |
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PDU15F-12 Datasheet(HTML) 1 Page - Data Delay Devices, Inc. |
1 / 5 page PDU15F Doc #97003 DATA DELAY DEVICES, INC. 1 1/13/97 3 Mt. Prospect Ave. Clifton, NJ 07013 5-BIT PROGRAMMABLE DELAY LINE (SERIES PDU15F) FEATURES PACKAGES • Digitally programmable in 32 delay steps • Monotonic delay-versus-address variation • Two separate outputs: inverting & non-inverting • Precise and stable delays • Input & outputs fully TTL interfaced & buffered • 10 T 2L fan-out capability • Fits standard 24-pin DIP socket • Auto-insertable FUNCTIONAL DESCRIPTION The PDU15F-series device is a 5-bit digitally programmable delay line. The delay, TDA, from the input pin (IN) to the output pins (OUT, OUT/) depends on the address code (A4-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 20ns, inclusively. The enable pins (EN/) are held LOW during normal operation. These pins must always be in the same state and may be tied together externally. When these signals are brought HIGH, OUT and OUT/ are forced into LOW and HIGH states, respectively. The address is not latched and must remain asserted during normal operation. SERIES SPECIFICATIONS • Total programmed delay tolerance: 5% or 1ns, whichever is greater • Inherent delay (TD0): 9ns typical (OUT) 8ns typical (OUT/) • Setup time and propagation delay: Address to input setup (TAIS): 5ns Disable to output delay (TDISO): 6ns typ. (OUT) • Operating temperature: 0 ° to 70° C • Temperature coefficient: 100PPM/ °C (excludes TD 0) • Supply voltage VCC: 5VDC ± 5% • Supply current: ICCH = 74ma ICCL = 30ma • Minimum pulse width: 10% of total delay © ©1997 Data Delay Devices data delay devices, inc. ® ® 3 24 23 22 21 20 19 18 17 16 15 14 13 1 2 3 4 5 6 7 8 9 10 11 12 OUT/ OUT EN/ GND N/C IN N/C GND N/C N/C EN/ GND VCC A0 A1 A2 VCC N/C N/C N/C VCC A3 A4 N/C PDU15F-xx DIP PDU15F-xxA4 Gull-Wing PDU15F-xxB4 J-Lead PDU15F-xxM Military DIP PDU15F-xxMC4 Military Gull-Wing PIN DESCRIPTIONS IN Delay Line Input OUT Non-inverted Output OUT/ Inverted Output A0-A4 Address Bits EN/ Output Enable VCC +5 Volts GND Ground DASH NUMBER SPECIFICATIONS Part Number Incremental Delay Per Step (ns) Total Delay Change (ns) PDU15F-.5 .5 ± .3 15.5 ± 1.0 PDU15F-1 1 ± .5 31 ± 1.6 PDU15F-2 2 ± .5 62 ± 3.1 PDU15F-3 3 ± 1.0 93 ± 4.7 PDU15F-4 4 ± 1.0 124 ± 6.2 PDU15F-5 5 ± 1.0 155 ± 7.8 PDU15F-6 6 ± 1.0 186 ± 9.3 PDU15F-8 8 ± 1.0 248 ± 12.4 PDU15F-10 10 ± 1.5 310 ± 15.5 PDU15F-12 12 ± 1.5 372 ± 18.6 PDU15F-15 15 ± 1.5 465 ± 23.3 PDU15F-20 20 ± 2.0 620 ± 31.0 NOTE: Any dash number between .5 and 20 not shown is also available. |
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