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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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DS26521 датащи(PDF) 1 Page - Maxim Integrated Products |
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DS26521 датащи(HTML) 1 Page - Maxim Integrated Products |
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1 / 258 page  1 of 258 REV: 111606 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 DS26521 is a single-channel 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 DS26521 T1/J1/E1 Transceiver T1/E1/J1 NETWORK BACKPLANE TDM ORDERING INFORMATION PART TEMP RANGE PIN-PACKAGE DS26521LN -40 °C to +85°C 64 LQFP DS26521LN+ -40 °C to +85°C 64 LQFP + Denotes lead-free/RoHS compliant device. FEATURES Complete T1, E1, or J1 Long-Haul/Short-Haul Transceiver (LIU plus Framer) 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 Controlled by 8-Bit Parallel Port Interface or Serial Peripheral Interface (SPI) Features Continued in Section 2. DS26521 Single T1/E1/J1 Transceiver www.maxim-ic.com |
Аналогичный номер детали - DS26521 |
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Аналогичное описание - DS26521 |
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ссылки URL |
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