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T7264

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 StandardT1.601-1992- Supports NT quiet mode and insertion loss testmode for maintenance` K2 interface- 2B+D data- 5...

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SeekIC No. : 004511459 Detail

T7264: 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 StandardT1.601-...

T7264 Data Sheet

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Part Number:
T7264
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:

` 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 StandardT1.601-1992
- Supports NT quiet mode and insertion loss testmode 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


Pinout

Connection Diagram


Specifications

Parameter
Typ
Min
Max
Unit
Storage Temperature  
55
125
°C
Lead Temp (soldering or bonding)  
300
°C
Any Pin to GND  
0.5
6.5
V
Power Dissipation (package limit)  
700
mW



Description

The Lucent Technologies Microelectronics Group T7264 U-Interface 2B1Q Transceiver integrated circuit rovides full-duplex, basic-rate (2B+D) integrated ervices digital network (ISDN) communications on a -wire digital subscriber loop at either the LT or NT nd conforms to the ANSI North American Standard 1.601-1992. The single +5 V CMOS T7264 is packaged n a 44-pin plastic leaded chip carrier (PLCC).




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