PM4351
COMET
Overview
- Monolithic 3.3 V device that integrates an E1/T1/J1 Framer and line driver for shorthaul and longhaul applications.
- Software selectable between T1/J1 and E1 operation on a per device basis.
- Provides fully programmable shorthaul and longhaul pulse templates and line build out.
- Meets or exceeds T1, J1, and E1 shorthaul and longhaul network access specifications, which include: ANSI T1.102, T1.403, T1.408, AT&T TR 62411, ITU-T G.703 and G.823, as well as the newer G.775 and ETSI 300-011 specifications.
- Supports B8ZS, HDB3, and AMI line codes.
- Provides receive clock recovery and line performance monitoring.
- Provides on-board binary sequence generators and detectors that can be configured with various patterns for error testing, including those conforming to ITU-T 0.151.
- Provides transmit and receive jitter attenuation.
- Provides three full-featured HDLC controllers, each with 128-byte transmit and receive FIFOs, enabling dual compliance to the V5.1 and V5.2 interface standards.
- Supports an IEEE P1149.1 JTAG test port.
- Automatically generates DS1 performance report messages to ANSI T1.231 and other specifications.
- Compatible with Mitel ST,-bus, AT&T CHI,, and MVIP PCM backplanes supporting rates of 1.544 Mbit/s, 2.048 Mbit/s, 4.096 Mbit/s and 8.192 Mbit/s.
- Provides an 8-bit microprocessor bus interface for configuration, control, and status monitoring.
- Low power +3.3 V CMOS technology.
- Available in an 80-pin PQFP (14 mm by 14 mm) and an 81-pin CABGA (9 mm by 9 mm) package.
- Provides a -40 °C to +85 °C industrial temperature operating range.
Applications
Typical Applications include:
- Wireless Base Transceiver Station and Digital LoopCarriers (DLCs).
- BITS Timing Systems.
- Integrated Access Device (IAD).
- Channel and Data Service Units (CSU/DSU).
- Enterprise Routers.
- V5.1/V5.2 Interfaces.
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Ordering
Line Interface Unit 2.048Mbps E1/T1 Short/Long Parallel/Serial 80-Pin MQFP
| Distributor | SKU | Stock | MOQ | Pkg | |
|---|---|---|---|---|---|
| Arrow Electronics | PM4351-RGI | 1 | 1 | .. | Buy Now |
| DigiKey | PM4351-RGI-ND | 324 | 1 | Tray | Buy Now |
| Future Electronics | 1074893 | 420 | 84 | Tray | Buy Now |
| Future Electronics | 1074893 | 420 | 84 | Tray | Buy Now |
| Mouser | 494-PM4351-RGI | 30 | 1 | Tray | Buy Now |
