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CX28394

Features: • Up to 16 T1/E1/J1 Framers in one package• Extensive support of various protocols• T1: SF, ESF, SLC®96, T1DM, TTC JT(J1)• E1: PCM-30, G.704, G.706, G.732, ISDN primary rate (ETS300 011, INS 500)• Extracts and inserts signaling bits• Dual HDLC cont...

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SeekIC No. : 004317957 Detail

CX28394: Features: • Up to 16 T1/E1/J1 Framers in one package• Extensive support of various protocols• T1: SF, ESF, SLC®96, T1DM, TTC JT(J1)• E1: PCM-30, G.704, G.706, G.732, ISDN...

CX28394 Data Sheet

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Part Number:
CX28394
Supply Ability:
5000

Price Break

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

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Product Details

Description



Features:

• Up to 16 T1/E1/J1 Framers in one package
• Extensive support of various protocols
• T1: SF, ESF, SLC®96, T1DM, TTC JT(J1)
• E1: PCM-30, G.704, G.706, G.732, ISDN primary rate (ETS300 011, INS 500)
• Extracts and inserts signaling bits
• Dual HDLC controllers per framer for data link and LAPD/SS7 signaling
• Two-frame transmit and receive PCM slip buffers
• Separate or multiplexed system bus interfaces
• Parallel 8-bit microprocessor port supports Intel or Motorola buses
• BERT generation and counting
• B8ZS/HDB3/Bit 7 zero suppression (CX28394 and CX28398 only)
• Operates from a single +3.3 Vdc ± 5% power supply
• Low-power CMOS technology


Application

• Multiline T1/E1 Channel Service Unit/Data Service Unit (CSU/DSU)
• Digital Access Cross-Connect System (DACS)
• T1/E1 Multiplexer (MUX)
• PBXs and PCM channel bank
• ISDN Primary Rate Access (PRA)
• Frame Relay Switches and Access Devices (FRADS)
• SONET/SDH add/drop multiplexers
• T3/E3 channelized access concentrators


Specifications

Symbol Parameter Min Max Unit
DVDDC/
RVDD/
TVDD/
VDD		 Power Supply Voltage 0.3 6 V
VI Voltage on Any Signal Pin 1.0 VGG + 0.3 V V
TST Storage Temperature 40 125 °C
TVSOL Vapor Phase Soldering
Temperature (1 min.)		 - 220 °C
JA Thermal Resistance (Still
air, socketed)		 - 40 °C/W
JA Thermal Resistance (Still
air, soldered)		 - 24 °C/W
Jc - - 7.40 °C/W
FIT Failures in time @ 89,000
device hours, temperature
of 55 °C, 0 failures.		 - 313 fits
NOTE(S):
1. Stresses above those listed as absolute maximum ratings may cause permanent damage
to the device. This is a stress rating only, and functional operation of the device at these or any other conditions beyond those indicated in the other sections of this document is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.



Description

The CX28394/28395/28398 is a family of multiple framers for T1/E1/J1 and Integrated Service Digital Network (ISDN) primary rate interfaces operating at 1.544 Mbps or 2.048 Mbps. All framers CX28394 are totally independent, and each combines a sophisticated framing synchronizer and transmit/receive slip buffers. CX28394 Operations are controlled through a series of memory-mapped registers accessible via a parallel microprocessor port. Extensive register support is provided for alarm and error monitoring, signaling supervision (including ISDN D-channel/SS7 process), per-channel trunk conditioning, and Facility Data Link (FDL) maintenance. A flexible serial Time Division Multiplexed (TDM) system interface that supports bus rates from 1.536 to 8.192 MHz is featured. Extensive test and diagnostic functions include a full set of loopbacks, Pseudo Random Bit Sequence (PRBS) test pattern generation, Bit Error Rate (BER) meter, and forced error insertion.




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