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DS2152 Datasheet(PDF) 1 Page - Dallas Semiconductor |
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DS2152 Datasheet(HTML) 1 Page - Dallas Semiconductor |
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1 / 94 page  1 of 94 092299 FEATURES § Complete DS1/ISDN-PRI transceiver functionality § Line interface can handle both long and short haul trunks § 32-bit or 128-bit crystal-less jitter attenuator § Generates DSX-1 and CSU line build outs § Frames to D4, ESF, and SLC-96 R formats § Dual onboard two-frame elastic store slip buffers that can connect to asynchronous backplanes up to 8.192 MHz § 8-bit parallel control port that can be used directly on either multiplexed or non-multiplexed buses (Intel or Motorola) § Extracts and inserts robbed-bit signaling § Detects and generates yellow (RAI) and blue (AIS) alarms § Programmable output clocks for Fractional T1 § Fully independent transmit and receive functionality § Integral HDLC controller with 16-byte buffers for the FDL § Generates and detects in-band loop codes from 1 to 8 bits in length including CSU loop codes § Contains ANSI 1's density monitor and enforcer § Large path and line error counters including BPV, CV, CRC6, and framing bit errors § Pin compatible with DS2154 E1 Enhanced Single- Chip Transceiver § 5V supply; low power CMOS § 100-pin 14mm 2 body LQFP package PIN ASSIGNMENT ORDERING INFORMATION DS2152L (0°C to 70°C) DS2152LN (-40°C to +85°C) DESCRIPTION The DS2152 T1 Enhanced Single-Chip Transceiver contains all of the necessary functions for connection to T1 lines, whether they be DS-1 long haul or DSX-1 short haul. The clock recovery circuitry automatically adjusts to T1 lines from 0 feet to over 6000 feet in length. The device can generate both DSX-1 line build outs as well as CSU line build outs of -7.5 dB, -15 dB, and -22.5 dB. The onboard 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. It is also used for extracting and inserting robbed-bit signaling data and FDL data. The device contains a set of internal registers which the user can access and control the operation of the unit. Quick access via the parallel control port allows a single controller to handle many T1 lines. The device fully meets all of the latest T1 specifications including ANSI T1.403-1995, ANSI T1.231-1993, AT&T TR 62411 (12-90), AT&T TR54016, and ITU G.703, G.704, G.706, G.823, and I.431. DS2152 Enhanced T1 Single-Chip Transceiver www.dalsemi.com 1 |
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