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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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DS2196 датащи(PDF) 1 Page - Dallas Semiconductor |
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DS2196 датащи(HTML) 1 Page - Dallas Semiconductor |
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1 / 157 page  1 of 157 093002 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 DS2196 T1 dual framer LIU is designed for T1 transmission equipment. The DS2196 combines dual optimized framers together with a LIU. This combination allows the users to extract and insert facility data-link (FDL) messages in the receive and transmit paths, collect line performance data, and perform basic channel conditioning and maintenance. The DS2196 contains all of the necessary functions for connection to T1 lines whether they are DS1 long haul or DSX–1 short haul. The clock recovery circuitry automatically adjusts to T1 lines from 0ft to over 6000ft in length. The device can generate both DSX–1 line buildouts as well as CSU line buildouts of -7.5dB, -15dB, and -22.5dB. The on-board jitter attenuator (selectable to either 32 bits or 128 bits) can be placed in either the transmit or receive data paths. The framer locates the frame and multiframe boundaries and monitors the data stream for alarms. The device contains a set of internal registers that the user can access and use to control the unit’s operation of the unit. Quick access through the parallel control port allows a single controller to handle many T1 lines. The device fully meets all of the latest T1 specifications. PACKAGE OUTLINE FEATURES § Two full-featured framers and a short/long-haul line interface unit (LIU) in one small package § Based on Dallas Semiconductor’s single -chip transceiver (SCT) family § Two HDLC controllers with 64-byte buffers that can be used for the FDL or DS0 channels § Supports NPRMs and SPRMs as per ANSI T1.403-1998 § Can be combined with a short/long-haul LIU or a HDSL modem chipset to create a low-cost office repeater/NIU/CSU, or a HDSL1/HDSL2 terminal unit with enhanced monitoring and data link control § Supports fractional T1 § Can convert from D4 to ESF framing and ESF to D4 framing § 32-bit or 128-bit crystal-less jitter attenuator § Can generate and detect repeating in-band patterns from 1 to 8 bits or 16 bits in length § Detects and generates RAI-CI and AIS-CI § Generates DS1 idle codes § On-chip programmable BERT generator and detector § All key signals are routed to pins to support numerous hardware configurations § Supports both NRZ and bipolar interfaces § Can create errors in the F-bit position and BERT interface data paths § 8-bit parallel control port that can be used directly on either multiplexed or nonmultiplexed buses (Intel or Motorola) § IEEE 1149.1 JTAG Boundary Scan § 3.3V supply with 5V tolerant inputs and outputs § 100-pin LQFP (14 mm x 14 mm) package ORDERING INFORMATION PART TEMP RANGE PIN-PACKAGE DS2196L 0ºC to +70ºC 100 LQFP DS2196LN -40ºC to +85ºC 100 LQFP www.maxim-ic.com DS2196 T1 Dual Framer LIU 1 100 DS2196 |
Аналогичный номер детали - DS2196 |
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Аналогичное описание - DS2196 |
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