PM4359
COMET TETRA
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
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Transmitter
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Applications
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.