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MFG:DALLAS  Package Cooled:CSBGA  D/C:0625+  

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Part Number: DS26528

 

MFG: DALLAS

Package Cooled: CSBGA

D/C: 0625+

Description: The DS26528 is a single-chip 8-port framer and line interface unit (LIU) combination for T1, E1, and J...


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DS26528 General Description


The DS26528 is a single-chip 8-port framer and line interface unit (LIU) combination for T1, E1, and J1 applications. Each port is independently configurable,supporting both long-haul and short-haul lines

DS26528 Maximum Ratings

Voltage Range on Any Lead with Respect to VSS (except VDD).-0.3V to +5.5V
Supply Voltage (VDD) Range with Respect to VSS   ......-0.3V to +3.63V
Operating Temperature Range for DS26528G…    ........0 to +70
Operating Temperature Range for DS26528GN     .......-40 to +85
Storage TemperatureRange     ................-55 to +125
Soldering Temperature      ......See IPC/JEDEC J-STD-020 Specification
This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operation sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods of time may affect reliability.

DS26528 Features

`Eight Complete T1, E1, or J1 Long-Haul/Short- Haul Transceivers (LIU plus Framer)
`Independent T1, E1, or J1 Selections for Each Transceiver
`Internal Software-Selectable Transmit- and Receive-Side Termination for 100 T1 Twisted Pair, 110 J1 Twisted Pair, 120 E1 TwistedPair, and 75 E1 Coaxial Applications
`Crystal-Less Jitter Attenuators can be Selected for Transmit or Receive Path. The Jitter Attenuator meets ETSI CTR 12/13, ITU G.736,G.742, G.823, and AT&T PUB 62411.
`External Master Clock can be Multiple of 2.048MHz or 1.544MHz for T1/J1 or E1 operation. This Clock is Internally Adapted for T1 or E1 Usage in the Host Mode.
`Receive Signal Level Indication from -2.5dB to -36dB in T1 Mode and -2.5dB to -44dB in E1 Mode in Approximate 2.5dB Increments
`Transmit Open and Short Circuit Detection
`LIU LOS in Accordance with G.775, ETSI 300233, and T1.231
`Transmit Synchronizer
`Flexible Signaling Extraction and Insertion Using Either the System Interface or Microprocessor Port
`Alarm Detection and Insertion
`T1 Framing Formats of D4, SLC-96, and ESF
`J1 Support
`E1 G.704 and CRC-4 Multiframe
`T1 to E1 Conversion

DS26528 Typical Application

·Routers
·Channel Service Units (CSUs)
·Data Service Units (DSUs)
·Muxes
·Switches
·Channel Banks
·T1/E1 Test Equipment

DS26528 datasheet

DS26528
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