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PM4318 Datasheet(PDF) 10 Page - PMC-Sierra, Inc |
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PM4318 Datasheet(HTML) 10 Page - PMC-Sierra, Inc |
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10 / 244 page  PRELIMINARY PM4318 OCTLIU DATASHEET PMC- 2001578 ISSUE 3 OCTAL E1/T1/J1 LINE INTERFACE DEVICE PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE 1 1 FEATURES • Monolithic device which integrates eight T1/J1 or E1 short haul and long haul line interface circuits. • Software switchable between T1/J1 and E1 operation on a per-device basis. • 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 encoding and decoding of B8ZS, HDB3 and AMI line codes. • Provides receive equalization, clock recovery and line performance monitoring. • Provides transmit and receive jitter attenuation. • Provides digitally programmable long haul and short haul line build out. • Provides a selectable, per channel independent de-jittered T1 or E1 recovered clock for system timing and redundancy. • Provides PRBS generators and detectors on each tributary for error testing at DS1 and E1 rates as recommended in ITU-T O.151. • Provides either serial clock/data or parallel Scaleable Bandwidth Interconnect (SBI) interfaces on the system side. • Can be configured to act as a converter between the SBI interfaces and serial clock/data. In this mode, the LIUs are unused. • Provides an 8-bit microprocessor bus interface for configuration, control, and status monitoring. • Provides a hardware-only (no microprocessor) mode in which configuration data is read from an SPI- compatible serial PROM. The PROM interface can be cascaded such that multiple OCTLIU devices can be configured simultaneously from a single PROM. • Uses line rate system clock. • Provides an IEEE 1149.1 (JTAG) compliant Test Access Port (TAP) and controller for boundary scan test. • Implemented in a low power 3.3 V tolerant 1.8/3.3 V CMOS technology. • Available in a high density 288-pin Tape-SBGA (23 mm by 23 mm) package. • Provides a –40°C to +85°C Industrial temperature operating range. |
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