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T7264 Datasheet (PDF) - Agere Systems

T7264 Datasheet PDF - Agere Systems
Part # T7264
Download  T7264 Download

File Size   876.6 Kbytes
Page   54 Pages
Manufacturer  AGERE [Agere Systems]
Direct Link  
Logo AGERE - Agere Systems
Description T7264 U-Interface 2B1Q Transceiver

T7264 Datasheet (PDF)

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T7264 Datasheet PDF - Agere Systems

Part # T7264
Download  T7264 Click to download

File Size   876.6 Kbytes
Page   54 Pages
Manufacturer  AGERE [Agere Systems]
Direct Link  
Logo AGERE - Agere Systems
Description T7264 U-Interface 2B1Q Transceiver

T7264 Datasheet (HTML) - Agere Systems

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T7264 Product details

Description
The Lucent Technologies Microelectronics Group T7264 U-Interface 2B1Q Transceiver integrated circuit provides full-duplex, basic-rate (2B+D) integrated services digital network (ISDN) communications on a 2-wire digital subscriber loop at either the LT or NT and conforms to the ANSI North American Standard T1.601-1992. The single +5 V CMOS device is packaged in a 44-pin plastic leaded chip carrier (PLCC).

Features
■ U-interface 2B1Q transceiver
   — Range over 18 kft on 26 AWG
   — ISDN basic-rate 2B+D
   — Full-duplex, 2-wire operation
   — 2B1Q four-level line code
   — Conforms to ANSI North American Standard T1.601-1992
   — Supports NT quiet mode and insertion loss test mode for maintenance
■ K2 interface
   — 2B+D data
   — 512 kbits/s TDM interface
   — Frame and superframe markers
   — Embedded operations channel (eoc)
   — U-interface M bits and crc results
   — Device control and status
■ Other
   — Single +5 V (±5%) supply
   — –40 °C to +85 °C
   — 44-pin PLCC
■ Power consumption
   — Operating 275 mW typical
   — Idle mode 30 mW typical
■ Analog front end
   — On-chip line driver for 2.5 V pulses
   — On-chip balance network
   — Sigma-delta A/D converter
   — Internal 15.36 MHz crystal oscillator
   — Supports 15.36 MHz external clock input
■ Digital signal processor
   — Digital timing recovery (pull range ±250 ppm)
   — Echo cancellation (linear and nonlinear)
   — Accommodates distortion from bridged taps
   — Scrambling/descrambling
   — crc calculations
   — Selectable LT or NT operation
   — Start-up sequencing with timers
   — Activation/deactivation support
   — Cold start in 3.5 seconds (typical)
   — Warm start in 200 ms (typical)
   — U-frame formatting and decoding




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About Agere Systems


Agere Systems was a semiconductor company that specialized in providing integrated circuits (ICs) for telecommunications and storage applications. The company was founded in 2000 as a spin-off from Lucent Technologies, and was headquartered in Allentown, Pennsylvania, USA.

Agere Systems' product portfolio included ICs for wireless communication, networking, and storage applications. These products were used in a wide range of devices, including mobile phones, routers, switches, and data storage devices.

Agere Systems was known for its innovation and expertise in advanced semiconductor technologies, such as copper-based interconnects and silicon germanium (SiGe) technology. The company also had a strong focus on research and development, and held numerous patents in semiconductor design and manufacturing.

In 2005, Agere Systems was acquired by LSI Corporation, which later became part of Avago Technologies. Today, the technology and products developed by Agere Systems continue to be used in a variety of telecommunications and storage applications.

*This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.




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