DS3101 overview
DS3101 is a component documented by Dallas Semiconductor. The PDF description identifies it as "Stratum 3/3E Timing Card IC." This guide condenses the most useful engineering information from the available PDF so that designers and sourcing teams can identify the checks that still need confirmation in the original document.
Datasheet snapshot
- Manufacturer: Dallas Semiconductor
- Part number: DS3101
- Category: IC
- Datasheet length: 149 Pages
Specifications and operating details
The following points were extracted from the PDF text. Check the associated conditions, notes and limits in the complete document before using a value in a design.
- All input clocks are continuously monitored for frequency accuracy and activity.
- In free-run, T0 generates a stable, low-noise clock with the same frequency accuracy as the external oscillator connected to the REFCLK pin.
- While in the lock ed state, T0 acquires a high-accuracylong-term average frequency value to use as the holdover frequency.
- When all input references are lost, T0 stays in holdover in which it generates a stable low-noise clock with initial frequency accuracy equal to its stored holdover value and drift performance determined by the quality of the external osci.
- Often T4 is used as a frequency converter to create a derived DS1- or E1 -rate clock (frequency locked to an incoming SONET/SDH port) to be sent to a nearby BITS Timing Signal Generato r (TSG, Telcordia terminology) or Synchronization Supp.
- In other cases T4 is phase-locked to T0 and used as a frequency converter to produce additional output clock rates for use within the system, such as NxDS1, Nx E1, NxDS2, DS3, E3, or 125MHz for synchronous Ethernet.
- T4 can also be configured as a measuring tool to measure the frequency of an input reference or the phase difference between two input references.
Topics covered by the datasheet
The document includes sections related to:
- APPLICATIONS
- FEATURES
- ORDERING INFORMATION
Engineering review checklist
- Confirm the exact ordering code, package, pinout or terminal arrangement and document revision.
- Compare recommended operating conditions with absolute maximum ratings and retain adequate design margin.
- Validate electrical, thermal, mechanical and environmental behavior in the final application.
Always confirm values against the latest manufacturer-controlled datasheet, especially when qualifying a substitute or releasing a production BOM.
View the complete PDF and model record
Open the DS3101 datasheet and model details to review the complete PDF, document pages and available product information.
Source attribution
Adapted from the PDF associated with this DigiCamel model page.
Source model URL: https://www.digicamel.com/product.php?slug=ds3101-dallas-semiconductor