XRT84L38IB Exar Corporation, XRT84L38IB Datasheet - Page 2

• Manufacturer Part Number: XRT84L38IB
• Description: Network Controller & Processor ICs 8 Ch T1/E1 Framer
• Manufacturer: Exar Corporation

Specifications of XRT84L38IB

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

XRT84L38
OCTAL T1/E1/J1 FRAMER
APPLICATIONS
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FEATURES
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High-Density T1/E1/J1 interfaces for Multiplexers, Switches, LAN Routers and Digital Modems
SONET/SDH terminal or Add/Drop multiplexers (ADMs)
T1/E1/J1 add/drop multiplexers (MUX)
Channel Service Units (CSUs): T1/E1/J1 and Fractional T1/E1/J1
Digital Access Cross-connect System (DACs)
Digital Cross-connect Systems (DCS)
Frame Relay Switches and Access Devices (FRADS)
ISDN Primary Rate Interfaces (PRA)
PBXs and PCM channel bank
T3 channelized access concentrators and M13 MUX
Wireless base stations
ATM equipment with integrated DS1 interfaces
Multichannel DS1 Test Equipment
T1/E1/J1 Performance Monitoring
Voice over packet gateways
Routers
Eight independent, full duplex DS1 Tx and Rx Framers
Two 512-bit (two-frame) elastic store, PCM frame slip buffers (FIFO) on TX and Rx provide up to 8.192 MHz
asynchronous back plane connections with jitter and wander attenuation
Supports input PCM and signaling data at 1.544, 2.048, 4.096 and 8.192 Mbits. Also supports 4-channel
multiplexed 12.352/16.384 (HMVIP/H.100) Mbit/s on the back plane bus
Programmable output clocks for Fractional T1/E1/J1
Supports Channel Associated Signaling (CAS)
Supports Common Channel Signalling (CCS)
Supports ISDN Primary Rate Interface (ISDN PRI) signaling
Extracts and inserts robbed bit signaling (RBS)
3 independent HDLC Controllers for Receive and Transmit on a per channel basis
Each HDLC controller contains two 96-BYTE buffers
Timeslot assignable HDLC
V5.1 and V5.2 Interface
8-bit Intel/Motorola μP and MIPS Power PC interfaces for configuration, control and status monitoring
Parallel search algorithm for fast frame synchronization
Wide choice of T1 framing structures: D4, ESF, SLC®96, TIDM and N-Frame (non-framing)
Direct access to D and E channels for fast transmission of data link information
PRBS and QRSS generation and detection
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REV. 1.0.1