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XRT83SL30

Features: • Fully integrated single-channel short-haul transceiverfor E1,T1 or J1 applications• Programmable Transmit Pulse Shaper for E1,T1 or J1 short-haul interfaces• Five fixed transmit pulse settings for T1 short-haul applications plus a fully programmable waveform generator...

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SeekIC No. : 004549504 Detail

XRT83SL30: Features: • Fully integrated single-channel short-haul transceiverfor E1,T1 or J1 applications• Programmable Transmit Pulse Shaper for E1,T1 or J1 short-haul interfaces• Five fixed...

XRT83SL30 Data Sheet

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Part Number:
XRT83SL30
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

• Fully integrated single-channel short-haul transceiverfor E1,T1 or J1 applications
• Programmable Transmit Pulse Shaper for E1,T1 or J1 short-haul interfaces
• Five fixed transmit pulse settings for T1 short-haul applications plus a fully programmable waveform generator for transmit output pulse shaping
• High receiver interference immunity
• Receive monitor mode handles 0 to 29dB resistive attenuation along with 0 to 6dB of cable attenuation for both T1 and E1 modes
• Supports 75and 120 (E1), 100 (T1) and 110(J1) applications.
• Internal and/or external impedance matching for 75,100, 110 and 120.
• Tri-State transmit output and receive input capability for redundancy applications
• Provides High Impedance for Tx and Rx during power off
• Transmit return loss meets or exceeds ETSI 300 166 standard
• On-chip digital clock recovery circuit for high inputjitter tolerance
• Crystal-less digital jitter attenuator with 32-bit or 64- bit FIFO Selectable either in transmit or receive path
• On-chip frequency multiplier generates T1 or E1 Master clocks from variety of external clock sources
• On-chip transmit short-circuit protection and limiting, and driver fail monitor output (DMO)
• Receive loss of signal (RLOS) output
• On-chip HDB3/B8ZS/AMI encoder/decoder
• QRSS pattern generation and detection for testing and monitoring
• Error and Bipolar Violation Insertion and Detection
• Receiver Line Attenuation Indication Output in 1dBsteps
• Network Loop-Code Detection for automatic Loop- Back Activation/Deactivation
• Transmit All Ones (TAOS) and In-Band Network Loop Up and Down code generators
• Supports Local Analog, Remote, Digital and Dual Loop-Back Modes
• Meets or exceeds T1 and E1 short-haul network access specifications in ITU G.703, G.775, G.736 and G.823; TR-TSY-000499; ANSI T1.403 and T1.408; ETSI 300-166 and AT&T Pub 62411
• Supports both Hardware and serial Microprocessor interface for programming




Application

• T1 Digital Cross-Connects (DSX-1)
• ISDN Primary Rate Interface
• CSU/DSU E1/T1/J1 Interface
• T1/E1/J1 LAN/WAN Routers
• Public switching Systems and PBX Interfaces
• T1/E1/J1 Multiplexer and Channel Banks




Pinout

Connection Diagram




Specifications

Specifications
No. ofCH 1
DataRate(s) T1/E1/J1
Clk Rec Yes
SH/LH S
Temp.Range Ind.
OpPwr Sup/Max Cur 3.3V ±5%, TBD
Pkgs TQFP-64


Storage Temperature...............-65 to +150
Operating Temperature............. -40 to +85
Supply Voltage............................-0.5V to +3.8V
Vin................................................-0.5 to +5.5V




Description

Description

Joining Exar's proven and extensive T1/E1 device family, the company adds three new products. A single-channel XRT83SL30, a quad (four-channel) XRT83SL34, and octal (eight-channel) XRT83SL38. These devices are ideal for the high bandwidth needs from the backbone or Core to the Metro Area Network. OEM products for this technology include Multi-Service Provisioning Platforms (MSPP), access devices, media gateways, routers frame relay access devices, and wireless base stations.

What is R3 TechnologyTM?

Exar's R3 TechnologyTM (Reconfigurable, Relayless Redundancy) delivers key innovative features to customers designing T1/E1/J1 interface cards. The devices are Reconfigurable -- integrated termination supporting all common T1/E1/J1 line impedances (75-120 ohms) enabling customers to build boards with a single bill-of-materials. Exar's on-board reconfigurable clock synthesizer allows manufacturers to build hardware in advance and configure the product (in software) for the particular application or market at the time of shipment. Conventional approaches require fixed settings - T1, or E1, or J1, forcing customers to determine device settings before manufacturing, and carry all configurations in inventory even if they are not immediately required. Also, the XRT83SL30 series employs Relayless Redundancy eliminating the need for external relays for 1:1 and 1+1 applications by establishing a back-up channel that is brought on-line in event of failure.

Product Highlights

The XRT83SL30 devices support all international (North America, Europe, or Japan) line impedances at 75, 100, 110, and 120-ohms. The XRT83SL8X series has a frequency synthesizer that can take a number of different clocks and generate either a 1.544 MHz clock for T1/J1, or 2.048 MHz for E1. The devices meet, or exceed popular networking specifications ITU G.703, G.775, and ANSI T1.402. In addition, the devices support the Bellcore GR-499 core and ANSI T1.402. Also, they have a low jitter, on-chip frequency multiplier that provides the necessary clocks to the chip. The master clock that feeds the multiplier can be T1, E1, or lower rates that are frequently available on a board such as 8, 16, 56, 64, 128 and 256kHz.

Other features of the XRT83SL30 family include a parallel microprocessor bus supporting both synchronous and asynchronous microprocessor interfaces for Motorola, Intel and MIPS processors, a crystal-less jitter attenuator that can be switched into either the transmit or receive path, and a quasi random signal synthesizer/detector for support bit error rate testing.






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