IDT82V2082PFG - Brand New IDT Telecommunication Interface ICs
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DESCRIPTION:
The IDT82V2082 can be configured as a dual channel T1, E1 or J1 Line Interface Unit. In receive path, an Adaptive Equalizer is integrated to remove the distortion introduced bythe cable attenuation. The IDT82V2082 also performs clock/data recovery, AMI/B8ZS/HDB3 line decoding and detects and reports the LOS conditions. In transmit path, there is an AMI/B8ZS/HDB3 encoder, Waveform Shaper and LBOs. There is one Jitter Attenuator, which can be placed in either the receive path or the transmit path. The Jitter Attenuator can also be disabled. The IDT82V2082 supports both Single Rail and Dual Rail system interfaces. To facilitate the network maintenance, a PRBS/QRSS generation/detection circuit is integrated in the chip, and different types of loopbacks can be set according to the applications. Four different kinds of line terminating impedance, 75 Ω,100 Ω, 110 Ω and 120 Ω are selectable on a per channel basis. The chip also provides driver short-circuit protection and internal protection diode and supports JTAG boundary scanning. The chip can be controlled by either software or hardware.
The IDT82V2082 can be used in LAN, WAN, Routers, Wireless Base Stations, IADs, IMAs, IMAPs, Gateways, Frame Relay Access Devices, CSU/DSU equipment, etc.FEATURES:
• Dual channel T1/E1/J1 long haul/short haul line interfaces
• Supports HPS (Hitless Protection Switching) for 1+1 protection without external relays
• Receiver sensitivity exceeds -36 [email protected] and -43 [email protected] KHz
• Programmable T1/E1/J1 switchability allowing one bill of ma terial for any line condition
• Single 3.3 V power supply with 5 V tolerance on digital interfaces
• Meets or exceeds specifications in
- ANSI T1.102, T1.403 and T1.408
- ITU I.431, G.703, G.736, G.775 and G.823
- ETSI 300-166, 300-233 and TBR12/13
- AT&T Pub 62411
• Software programmable or hardware selectable on:
- Wave-shaping templates for short haul and long haul LBO (Line Build Out)
- Line terminating impedance (T1:100 Ω, J1:110 Ω, E1: 75 Ω/120 Ω)
- Adjustment of arbitrary pulse shape
- JA (Jitter Attenuator) position (receive path or transmit path)
- Single rail/dual rail system interfaces
- B8ZS/HDB3/AMI line encoding/decoding
- Active edge of transmit clock (TCLK) and receive clock (RCLK)
- Active level of transmit data (TDATA) and receive data (RDATA)
- Receiver or transmitter power down
- High impedance setting for line drivers
- PRBS (Pseudo Random Bit Sequence) generation and detection with 215-1 PRBS polynomials for E1
- QRSS (Quasi Random SequenceSignals) generation and detection with 220-1 QRSS polynomials for T1/J1
- 16-bit BPV (Bipolar Pulse Violation) / Excess Zero/ PRBS or QRSS error counter
- Analog loopback, Digital loopback, Remote loopback and Inband loopback
• Cable attenuation indication
• Adaptive receive sensitivity
• Non-intrusive monitoring per ITU G.772 specification
• Short circuit protection and internal protection diode for line drivers
• LOS (Loss Of Signal) and AIS (Alarm Indication Signal) detection
• JTAG interface
• Supports serial control interface, Motorola and Intel Non-Multiplexed interfaces and hardware control mode
• Pin compatible to 82V2042E T1/E1/J1 Short Haul LIU and 82V2052E E1 Short Haul LIU
• Available in 80-pin TQFP and 81-pin FPBGA
Green package options available -
Similar parts: 1542 , Click to view
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Datasheet
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- Datasheet: Download IDT82V2082PFG
- Chipdatas Part: CD92-IDT82V2082PFG
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/13 13:11 +0800
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- Full or Partial Refund , If the item is not as described
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