XRT83SH38 データシートの表示（PDF） - Exar Corporation

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XRT83SH38

14-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT

Exar Corporation 

XRT83SH38

REV. 1.0.7

8-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT

FEATURES

• Fully integrated eight channel short-haul transceivers for E1,T1 or J1 applications

• Programable Transmit Pulse Shaper for E1,T1 or J1 short-haul interfaces

• Five fixed transmit pulse settings for T1 short-haul applications

• Receive monitor mode handles 0 to 29dB resistive attenuation along with 0 to 6dB of cable attenuation for

E1 and 0 to 3dB of cable attenuation for T1 modes

• Internal impedance matching for 75Ω, 100Ω, 110Ω and 120Ω

• 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 input jitter 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

• High receiver interference immunity

• 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 functions

• QRSS 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 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 Host (parallel Microprocessor or Serial) interface for programming

• JTAG Support

• Programmable Interrupt

• Low power dissipation

• Logic inputs accept either 3.3V or 5V levels

• Single 3.3V Supply Operation

• 225 ball BGA package

• -40°C to +85°C Temperature Range

ORDERING INFORMATION

PART NUMBER

XRT83SH38IB

PACKAGE

225 Ball BGA

OPERATING TEMPERATURE RANGE

-40°C to +85°C

3

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