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MT9040 PRODUCT PROFILE

Single Reference Frequency Selectable, 3.3 V Digital PLL with Multiple Clock Outputs for Stratum 4 Applications

Product Status: Production

The MT9040 T1/E1 System Synchronizer contains a digital phase-locked loop (DPLL), which provides timing and synchronization signals for T1 and E1 primary rate transmission links. The MT9040 generates ST-BUS clock and framing signals that are phase locked to either a 19.44 MHz, 2.048 MHz, 1.544 MHz, or 8 kHz input reference. The MT9040 is compliant with AT&T TR62411 and Bellcore GR-1244-CORE, Stratum 4; and ETSI ETS 300 011. It will meet the jitter/wander tolerance, jitter transfer, intrinsic jitter, frequency accuracy and capture range for these specifications.

Simplified Block Diagram


Features & Benefits

  • Supports AT&T TR62411 and Bellcore GR-1244-CORE and Stratum 4 timing for DS1 interfaces
  • Supports ETSI ETS 300 011, TBR 4, TBR 12 and TBR 13 timing for E1 interfaces
  • Selectable 19.44 MHz, 1.544 MHz, 2.048 MHz or 8 kHz input reference signals
  • Provides C1.5, C2, C4, C6, C8, C16, and C19 (STS-3/OC3 clock divided by 8) output clock signals
  • Provides 5 different styles of 8 KHz framing pulses
  • Attenuates wander from 1.9 Hz
  • Fast lock mode
  • JTAG Boundary Scan

      Downloads, Firmware and Drivers

      Typical Applications

      • Synchronization and timing control for multitrunk T1 and E1 systems
      • ST-BUS clock and frame pulse source

      Product Packaging & Availability

      Part
      Number      		 Package
      Type       		Pin Count
      		 Lead-Free
      Option       		Shipping
      Option(s)       		Lead
      Time(wks)       		Status
      MT9040AN1SSOP48Pb-free-Matte TinTubes. Bake & Drypack7 Week(s)Production
      MT9040AN1SSOP48Pb-free-Matte TinTubes. Bake & Drypack7 Week(s)Production
      MT9040ANR1SSOP48Pb-free-Matte TinTape & Reel Mounted6-8 weeksProduction
      MT9040ANR1SSOP48Pb-free-Matte TinTape & Reel Mounted6-8 weeksProduction

      Packaging Information

      Technical Support

      Related Products
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      MT9046   Dual Reference Frequency Selectable, 3.3 V Digital PLL with Multiple Clock Outputs for T1/E1 and Stratum 4 and 4E Applications, with Holdover
      MT9045   Dual reference frequency selectable 3.3V Digital PLL with Multiple Clock Outputs for T1/E1 (ITU-T G.812 type IV), Stratum (3, 4, 4E) and STS-3/OC3 Systems
      MT9043   Dual Reference Frequency Selectable, 3.3 V Digital PLL with Multiple Clock Outputs for T1/E1 and Stratum 4 and 4E Applications

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