Hot-selling and scarce PM4388-RI OCTAL T1 FRAMER QFP128 spot stock

Product Features

• Integrates eight T1 framers in a single device for terminating duplex DS-1 signals.

• Supports SF and ESF format DS-1 signals.

• Supports transfer of PCM data to/from 1.544 MHz system-side devices. Also supports a fractional T1 system interface with independent ingress/egress NxDS0 rates. Supports a 2.048 MHz system-side interface without external clock gapping.

• Provides jitter attenuation in the receive and transmit directions.

• Provides per-DS0 line loopback and per link diagnostic and line loopbacks.

• Provides robbed bit signaling extraction and insertion on a per-DS0 basis.

• Provides programmable idle code substitution, data and sign inversion, and digital milliwatt code insertion on a per-DS0 basis.

• Software compatible with the PM4341A T1XC Single T1 Transceiver and the PM4344 TQUAD Quad T1 Framer.

• Seamless interface to the PM8313 D3MX single chip M13 multiplex and to the PM4314 QDSX Quad Line Interface.

• Provides an 8-bit microprocessor bus interface for configuration, control, and status monitoring.

• Low power 3.3V CMOS technology with 5V tolerant inputs.

• Supports standard 5 signal P1149.1 JTAG boundary scan.

Product Applications

• High density Internet T1 interfaces for multiplexers, switches, routers and digital modems.

• Frame Relay switches and access devices (FRADS)

• SONET/SDH Add Drop Multiplexers

Product Photos

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