Product Overview
Features
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 PM4359 COMET TETRA , 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 eight 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.
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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