DS1023

8-Bit Programmable Timing Element

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Status Explanations for product status codes

Active: In Production.

Description

The DS1023 is an 8-bit programmable delay line similar in function to the DS1020/DS1021.

Additional features have been added to extend the range of applications:
The internal delay line architecture has been revised to allow clock signals to be delayed by up to a full period or more. Combined with an on-chip reference delay (to offset the inherent or "step zero" delay of the device) clock phase can now be varied over the full 0-360 degree range.

On-chip gating is provided to allow the device to provide a pulse width modulated output, triggered by the input with duration set by the programmed value.

Alternatively the output signal may be inverted on chip, allowing the device to perform as a free-running oscillator if the output is (externally) connected to the input.

Data Sheet

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Key Features

  • Step sizes of 0.25 ns, 0.5 ns, 1 ns, 2 ns, 5 ns
  • On-chip reference delay
  • Configurable as delay line, pulse width modulator, or free-running oscillator
  • Can delay clocks by a full period or more
  • Guaranteed monotonicity
  • Parallel or serial programming
  • Single 5V supply
  • 16-pin DIP or SOIC package
   
   

Key Specifications:

Delay Lines (Programmable)
Part Number Functions Prog. Steps Prog. Step Size
(ns)
Delay/ PW
(ns)
Delay/ PW
(ns)
Prog. I/F VSUPPLY
(V)
ΔVSUPPLY Budgetary
Price
min max See Notes
DS1023-100 
1-Shot
Delay Line
256 1 16.5 255
3-Wire Serial
8-Bit Parallel
5 ±5% $7.81 @1k
DS1023-200  2 510 $8.17 @1k
DS1023-25  0.25 63.75 $7.58 @1k
DS1023-50  0.5 127.5 $7.58 @1k
DS1023-500  5 1275 $8.17 @1k
See All Delay Lines (Programmable) (7)

Pricing Notes:

This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.



Diagram

DS1023: Functional Block Diagram
Functional Block Diagram

More Information

New Product Press Release   2001-07-27 ]

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Rev 1; 2005-07-07
This page last modified: 2009-10-26