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XRT83SH314 Datasheet(PDF) 2 Page - Exar Corporation |
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XRT83SH314 Datasheet(HTML) 2 Page - Exar Corporation |
2 / 101 page XRT83SH314 2 14-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT REV. 1.0.4 • Fully integrated 14-Channel short haul transceivers for T1/J1 (1.544MHz) and E1 (2.048MHz) applications. • T1/E1/J1 short haul and clock rate are per port selectable through software without changing components. • Internal Impedance matching on both receive and transmit for 75Ω (E1), 100Ω (T1), 110Ω (J1), and 120Ω (E1) applications are per port selectable through software without changing components. • Power down on a per channel basis with independent receive and transmit selection. • Five pre-programmed transmit pulse settings for T1 short haul applications per channel. • User programable Arbitrary Pulse mode • On-Chip transmit short-circuit protection and limiting protects line drivers from damage on a per channel basis. • Selectable Crystal-Less digital jitter attenuators (JA) with 32-Bit or 64-Bit FIFO for the receive or transmit path • On-Chip frequency multiplier generates T1 or E1 master clocks from a variety of external clock sources (8, 16, 56, 64, 128, 256kHz and 1X, 2X, 4X, 8X T1 or E1) • Driver failure monitor output (DMO) alerts of possible system or external component problems. • Transmit outputs and receive inputs may be "High" impedance for protection or redundancy applications on a per channel basis. • Support for automatic protection switching. • 1:1 and 1+1 protection without relays. • Receive monitor mode handles 0 to 6dB resistive attenuation (flat loss) along with 0 to 6dB cable loss for both T1 and E1. • Loss of signal (RLOS) according to ITU-T G.775/ETS300233 (E1) and ANSI T1.403 (T1/J1). • Programmable data stream muting upon RLOS detection. • On-Chip HDB3/B8ZS encoder/decoder with an internal 16-bit LCV counter for each channel. • On-Chip digital clock recovery circuit for high input jitter tolerance. • QRSS/PRBS pattern generator and detection for testing and monitoring. • Error and bipolar violation insertion and detection. • Transmit all ones (TAOS) Generators and Detectors • Supports local analog, remote, digital, and dual loopback modes • 153mW per channel Power consumption • Single 3.3V supply operation (3V to 5V I/O tolerant) • 304-Pin TBGA package • -40°C to +85°C Temperature Range • Supports gapped clocks for mapper/multiplexer applications PRODUCT ORDERING INFORMATION PRODUCT NUMBER PACKAGE TYPE OPERATING TEMPERATURE RANGE XRT83SH314IB 304 Lead TBGA -40°C to +85°C |
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