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DS26528GN+ Datasheet(PDF) 1 Page - Dallas Semiconductor |
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DS26528GN+ Datasheet(HTML) 1 Page - Dallas Semiconductor |
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1 / 276 page  1 of 276 REV: 081707 Note: Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device may be simultaneously available through various sales channels. For information about device errata, click here: www.maxim-ic.com/errata. GENERAL DESCRIPTION The DS26528 is a single-chip 8-port framer and line interface unit (LIU) combination for T1, E1, and J1 applications. Each channel is independently configurable, supporting both long-haul and short-haul lines. APPLICATIONS Routers Channel Service Units (CSUs) Data Service Units (DSUs) Muxes Switches Channel Banks T1/E1 Test Equipment FUNCTIONAL DIAGRAM DS26528 T1/J1/E1 Transceiver T1/E1/J1 NETWORK BACKPLANE TDM x8 ORDERING INFORMATION PART TEMP RANGE PIN-PACKAGE DS26528G 0 °C to +70°C 256 TE-CSBGA DS26528G+ 0 °C to +70°C 256 TE-CSBGA DS26528GN -40 °C to +85°C 256 TE-CSBGA DS26528GN+ -40 °C to +85°C 256 TE-CSBGA + Denotes lead-free/RoHS compliant device. 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 Ω T1 Twisted Pair, 110 Ω J1 Twisted Pair, 120Ω E1 Twisted Pair, and 75 Ω E1 Coaxial Applications Crystal-Less Jitter Attenuator can be Selected for Transmit or Receive Path; Jitter Attenuator Meets ETS CTR 12/13, ITU-T 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, ETS 300 233, 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 Features Continued in Section 2. DS26528 Octal T1/E1/J1 Transceiver www.maxim-ic.com |
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Similar Description - DS26528GN+ |
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