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PM5345 Datasheet(PDF) 1 Page - PMC-Sierra, Inc |
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PM5345 Datasheet(HTML) 1 Page - PMC-Sierra, Inc |
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1 / 2 page  PMC-920524 (R8) © 1997 PMC-Sierra, Inc.. March, 1997 S/UNI-155 SATURN USER NETWORK INTERFACE PM5345 Summary Information FEATURES • Monolithic SATURN™ SONET/SDH Asynchronous Transfer Mode User Network LAN Interface. • Implements the ATM transmission convergence (TC) sublayer for Broadband ISDN according to ANSI T1.646, ITU-T Recommendation I.432 and ATM Forum document "ATM User-Network Interface Specification", Version 3.1. • Operates at 19.44 Mbytes/s, processing a duplex 8-bit or 16-bit data stream and mapping ATM cells into a SONET STS-3c or SDH STM-1 compatible bit serial stream operating at 155 Mbit/s. • Provides on-chip parallel-to-serial and serial-to-parallel conversion circuits and pseudo-ECL interfaces operating at the155 Mbit/s line rate. • Provides 4 cell deep FIFO buffers in both transmit and receive paths and provides interface circuitry for external FIFO expansion. • Expansion ports provides access to all overhead to allow external processing for full SONET/SDH Network-Node Interface (NNI) compliance. • Provides a generic 8-bit microprocessor bus interface for configuration, control and status monitoring. • Provides a standard 5-signal P1149.1 JTAG test port for boundary scan board test purposes. • Provides TTL compatible inputs and outputs and a pseudo-ECL compatible serial line side interface. • Low power, +5 Volt CMOS technology. • 160 pin plastic quad flat pack (PQFP) package. APPLICATIONS • ATM LAN interfaces for computers, workstations, switches and PCs • ATM public network switching system interfaces • B-ISDN User-Network Interfaces • B-ISDN test equipment interfaces • Gigabit network interfaces Tx ATM 4 Cell FIFO Rx ATM 4 Cell FIFO Drop Side/ I/F Line Side I/F POUT[7:0] POCLK PIN[7:0] PICLK FPIN OOF Tx Path O/H Processor Rx Path O/H Processor TDAT[15:0] TCA TSOC RDAT[15:0] RSOC Microprocessor I/F Transport Overhead Extract Transport Overhead Insert Tx Section O/H Processor Tx Line O/H Processor Rx Section O/H Processor Rx Line O/H Processor TWRB FPOUT Tx ATM Cell Processor Rx ATM Cell Processor RCA RRDB JTAG Test Access Port TXD+/- Par/ Ser TXCI+/- RXD+/- Ser/ Par RXC+/- TXCO+/- Path Overhead Insert Path Overhead Extract FPOS System Side Line Side BLOCK DIAGRAM |
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Similar Description - PM5345 |
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