Product Overview
  • Programmable integrated termination: T1 100Ω, J1 110Ω, E1 120Ω, E1 75Ω.
  • Internal support for redundancy (Y-cable) applications.
  • Small footprint 256-pin fine pitch CABGA (17 mm by 17 mm) package.
  • Low power dissipation of 165 mW per channel.
  • 100% pin and software compatible with PM4358 COMET OCTAL , software compatible with PM4351 COMET and PM4354 COMET QUAD.
  • Software selectable between T1/J1 and E1 operation on a per device basis.
  • Provides digitally programmable longhaul and shorthaul pulse templates and line build out.
  • Meets or exceeds T1/J1 and E1 shorthaul and longhaul network access specifications including ANSI T1.102, T1.403, T1.408, AT&T TR 62411, ITU-T G.703, G.704 as well as ETSI 300-011, CTR-4, CTR-12 and CTR-13.
  • Provides an 8-bit microprocessor bus interface or SPI compatible hardware only interface for configuration, control, and status monitoring.
  • Provides transmit and receive jitter attenuation.
  • Provides four full-featured HDLC controllers, each with 128-byte transmit and receive FIFO buffers.
  • Provides a two-frame payload slip buffer to allow independent backplane and line timing.
  • Automatically generates and transmits DS-1 performance report messages to ANSI T1.231 and ANSI T1.408 specifications.
  • Provides PRBS generators and detectors on each tributary for error testing at DS1, E1 and N x 64 Kbit/s rates as recommended in ITU-T O.151 and O.152.
  • Provides encoding and decoding of B8ZS, HDB3 and AMI line codes.
  • Provides receive equalization, clock recovery and line performance monitoring.
  • Uses line rate system clock.
  • Provides an IEEE P1149.1 (JTAG) compliant test access port (TAP) and controller for boundary scan test.
  • Implemented in a low power 1.8/3.3 V CMOS technology.
  • Provides a -40 ºC to +85 ºC industrial temperature operating range.
Receiver
  • Typical signal recovery of up to -43 dB at 1024 kHz (E1) and up to -44 dB at 772 kHz (T1/J1).
  • Guaranteed minimum signal recovery of -36 dB at 1024 kHz (E1) and -36 dB at 772 kHz (T1/J1) using PIC-22 gauge cable emulation.
  • Frames to DSX/DS-1 signals in SF, and ESF formats.
  • Frames to ITU-T G.704 basic and CRC-4 multiframe formatted E1 signals. The framing procedures are consistent with ITU-T G.706 specifications.
  • Frames to TTC JT-G.704 multiframe formatted J1 signals.Supports the alternate CRC-6 calculation for Japanese applications. Frames in the presence of and detects the Japanese yellow alarm.
  • Tolerates more than 0.4 UI peak-to-peak, high frequency jitter as required by AT&T TR 62411 and Bellcore TR-TSY-000170.
  • Provides programmable in-band loopback activate and deactivate code detection.
  • Programmable internal termination.
  • Provides diagnostic, line and per-DS0 payload loopbacks.
  • Extracts up to three HDLC links to an H-MVIP Bus to support the D-channel, for ISDN Primary Rate Interfaces, and the C-channels, for V5.1/V5.2 interfaces. Detects the V5.2 link identification signal.
Transmitter
  • Generates DSX-1 shorthaul and DS-1 longhaul pulses with programmable pulse shape compatible with AT&T, ANSI and ITU requirements.
  • Generates E1 pulses compliant to G.703 recommendations.
  • Supports line side protection or redundancy applications.
  • Provides a digital phase locked loop for generation of a low jitter transmit clock complying with all jitter attenuation, jitter transfer and residual jitter specifications of AT&T TR 62411 and ETSI CTR 12 and CTR 13.
  • Provides a FIFO buffer for jitter attenuation and rate conversion in the transmit path.
  • Supports unframed mode and framing bit, CRC, or data link bypass.
  • Allows insertion of framed or unframed in-band loopback code sequences.
  • Allows insertion of a data link in ESF mode. Optionally inserts a datalink in the E1 national use bits.
  • Inserts, from an H-MVIP bus, up to three HDLC links to support the D-channel, for ISDN Primary Rate Interfaces, and the C-channels, for V5.1/V5.2 interfaces.
  • Transmits TTC JT-G704 multiframe formatted J1 signals. Supports the alternate ESF CRC-6 calculation for Japanese applications.
  • Supports transmission of the alarm indication signal (AIS) and the yellow alarm signal. Supports Japanese yellow alarm generation.
  • Provides ESF bit-oriented code generation.

Typical Applications include:

  • Wireless Base Transceiver Station and Digital Loop Carrier (DLCs).
  • Enterprise Router.
  • DSLAM.
  • APON Optical Network Unit (ONU).
  • Integrated Access Device (IAD).
  • Voice Gateway.
  • Channel and Data Service Units (CSU/DSU).
  • Digital Private Branch Exchanges (PBX).
  • Test Equipment.

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Product Brief
      Version Issue Date
  PDF Document PM4359 COMET TETRA 4-Channel Combined E1/T1/J1 Transceiver/Framer Product Brief [197 KB] PMC-2051766 3 2006-06-19
Reference Design
      Version Issue Date
Locked Compressed Document ORBIT Evaluation Platform for COMET OCTAL Users Guide [624 KB] PMC-2060395 1 2006-02-24
Data Sheet
      Version Issue Date
Locked PDF Document PM4404-KIT ORBIT COMET OCTAL/TETRA Evaluation Platform Product Brief [312 KB] PMC-2081249 1 2008-08-14
Locked PDF Document Hardware Design Guidelines for COMET OCTAL and COMET TETRA [278 KB] PMC-2052103 3 2006-06-27
Locked PDF Document COMET OCTAL and COMET TETRA Product Overview [254 KB] PMC-2051133 4 2006-06-22
Locked PDF Document COMET TETRA Register Descriptions Document [841 KB] PMC-2051823 2 2006-06-21
Locked PDF Document COMET TETRA Hardware Specification [802 KB] PMC-2051752 3 2006-06-21
Locked PDF Document COMET TETRA Hardware Specification [802 KB] PMC-2051752 3 2006-06-21
Locked PM4359 COMET TETRA Ball Map [99 KB] PMC-2051714 2 2006-06-20
Locked PDF Document PM4358 COMET OCTAL and PM4359 COMET TETRA Configuration and Operation Guide [581 KB] PMC-2052234 2 2006-06-07
Errata
      Version Issue Date
Locked PDF Document COMET OCTAL and COMET TETRA Device Errata [160 KB] PMC-2061319 3 2008-04-28
Software Documentation
      Version Issue Date
Locked PDF Document COMET TETRA Register Descriptions Document [841 KB] PMC-2051823 2 2006-06-21
Locked PDF Document PM4358 COMET OCTAL and PM4359 COMET TETRA Configuration and Operation Guide [581 KB] PMC-2052234 2 2006-06-07
Application Note
      Version Issue Date
Locked PDF Document Using the COMET Family in Low Wander Applications [165 KB] PMC-2081192 1 2008-09-16
Locked PDF Document Software Migration from PM4354 COMET QUAD to PM4358 COMET OCTAL and PM4359 COMET TETRA [352 KB] PMC-2060046 2 2008-06-03
Locked PDF Document Hardware Differences between COMET QUAD and COMET OCTAL/TETRA [196 KB] PMC-2061913 1 2006-08-28
Sales Collateral
      Version Issue Date
Locked PDF Document Notice of Information - PM4359 Branding Advisory Notice [55 KB] PMC-2061690 1 2006-07-10
Models
      Version Issue Date
Locked COMET OCTAL / COMET TETRA IBIS Model [151 KB] PMC-E13543 1 2006-09-26
Symbols/Footprints
      Version Issue Date
Locked Compressed Document PM4359 COMET TETRA 256 CABGA CAD Symbols and Footprints [165 KB] PMC-2070453 1 2007-03-14
BSDL Files
      Version Issue Date
Locked Text Document BOUNDARY SCAN DESCRIPTION LANGUAGE (BSDL) FOR PM4358 COMET OCTAL REV. B [22 KB] PMC-2061095 1 2006-05-10