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DS1123L
3.3V, 8-Bit, Programmable Timing Element
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Status
Description
The DS1123L is an 8-bit programmable timing element
similar in function to the DS1023, but operating at 3.3V.
Like the DS1023, the DS1123L can delay signals up to
a full period or more when used as a delay line, and an
on-chip reference delay can be used to offset the inherent
"step-zero" delay. This allows the DS1123L to shift a
clock signal over the full 0 to 360° phase range. In
addition to functioning as a delay line, it can be configured
as a free-running oscillator or an externally triggered
monostable vibrator.
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Data Sheet
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Key Features
- Step Sizes of 0.25ns, 0.5ns, 1ns, 2ns
- On-Chip Reference Delay
- Configurable as a Delay Line, Monostable Vibrator, or Free-Running Oscillator
- Can Delay Signals by a Full Period or More
- Guaranteed Monotonicity
- Parallel and 3-Wire Serial Programming Interface
- Single 3.3V Power Supply
- 16-pin TSSOP
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Applications/Uses
- Digital Test Equipment
- Digital Video Projection
- Signal Generators and Analyzers
- Telecommunications
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Key Specifications:
| Delay Lines (Programmable) |
| Part Number |
Functions |
Prog. Steps |
Delay/ PW
(ns) |
Delay/ PW
(ns) |
Prog. I/F |
Package/Pins |
Smallest Available Pckg.
(mm2) |
Budgetary Price |
| min |
max |
max w/pins |
See Notes |
| DS1123L |
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256 |
16.5 |
527 |
3-Wire Serial |
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33.4 |
$5.25 @1k |
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See All Delay Lines (Programmable) (7)
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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 prices and delivery, please see the price and availability page or contact an authorized distributor.
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Diagram
Typical Operating Circuit
Didn't Find What You Need?
Information Index
Document Ref.: xxx
Rev 2;
2007-08-27
This page last modified: 2009-10-08
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