XRT8001

Specifications Specifications InputFreqRange 8kHz to 32,768kHz OutputFreqRange 56kHz to 16,384kHz Temp.Range Ind. OpPwr Sup/Max Cur 5.0V, 3.3V Pkgs PDIP-18, SOIC-18Description The XRT8001 is a single-chip, dual phase-locked loop clock adapter for WAN and ISDN applications...

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SeekIC No. : 004549488 Detail

XRT8001: Specifications Specifications InputFreqRange 8kHz to 32,768kHz OutputFreqRange 56kHz to 16,384kHz Temp.Range Ind. OpPwr Sup/Max Cur 5.0V, 3.3V Pkgs PDIP-18, SOIC-18Descripti...

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Part Number:
XRT8001
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/3/28

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Product Details

Description



Specifications

Specifications
InputFreqRange 8kHz to 32,768kHz
OutputFreqRange 56kHz to 16,384kHz
Temp.Range Ind.
OpPwr Sup/Max Cur 5.0V, 3.3V
Pkgs PDIP-18, SOIC-18





Description



The XRT8001 is a single-chip, dual phase-locked loop clock adapter for WAN and ISDN applications. This product accommodates the most popular frequencies encountered in T1/E1 access equipment, T1/E1 multiplexers and concentrators, sub-rate switches, routers, Frame Relay Access Devices (FRADs), Remote Access Servers (RASs) and both PRI and BRI ISDN equipment.

Using a serial processor interface the designer can fully control the operational modes of the device by modifying the content of the internal registers. Designed with two internal phase locked loops, the XRT8001 generates two output clocks from a single input reference clock. Each of the two outputs can be independently programmed to generate frequency multiples of 64kHz and 56kHz from T1 and E1 rates.

The extremely impressive jitter performance of the XRT8001 makes it ideal for any equipment deployed in public or private networks with strict regulatory requirements. The device synthesizes two low-jitter clocks with user-selected, industry-standard frequencies, phased-locked to the system reference timing, making it capable of generating less than 0.05UI of wideband.

This chip has several modes of operation to provide designers with greatest flexibility. In the forward master mode, XRT8001 accepts up to 16th harmonic of either 1.544MHz (T1) or 2.048MHz (E1) as input reference, and generates multiples of 56kHz or 64kHz. In the reverse master mode, an input clock of 56kHz or 64kHz is used to generate 1.544MHz (T1) or 2.048MHz (E1) output clocks. In the fractional T1/E1 reverse master mode, the XRT8001 accepts up to the 32nd harmonic of 56kHz or 64kHz as input reference, and generates either 1.544MHz (T1) or 2.048MHz (E1). In the E1 to T1 master mode, the device acccepts up to the 16th harmonic of 2.048MHz (E1) as input reference and generates 1.544MHz (T1). In the high speed reverse mode, the XRT8001 accepts 64kHz as input reference and generates multiples (1, 2, 4, or 8) of 2.048MHz (E1).The forward and reverse modes can also be operated in slave configuration where the device generates the same output frequencies as master configuration while being phase locked to an 8kHz input reference.






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