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DS3141 Datasheet(PDF) 1 Page - Dallas Semiconductor |
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DS3141 Datasheet(HTML) 1 Page - Dallas Semiconductor |
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1 / 88 page  1 of 88 REV: 012003 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 DS3141, DS3142, DS3143, and DS3144 (DS314x) devices include all necessary circuitry to frame and format up to four separate DS3 or E3 channels. Each framer in these devices is independently configurable to support M23 DS3, C-Bit Parity DS3, or G.751 E3. The framers interface to a variety of line interface units (LIUs), microprocessor buses, and other system components without glue logic. Each DS3/E3 framer has its own HDLC controller, FEAC controller, and BERT, as well as full support for error detection and generation, performance monitoring, and loopbacks. APPLICATIONS SONET/SDH Muxes PDH Muxes Digital Cross-Connect Systems Access Concentrators ATM and Frame Relay Equipment Routers FUNCTIONAL DIAGRAM FEATURES § One/Two/Three/Four Independent DS3/E3 Framers on a Single Die § Framing and Formatting to M23 DS3, C-Bit Parity DS3, and G.751 E3 § LIU Interface can be Binary (NRZ) or Dual-Rail (POS/NEG) § B3ZS/HDB3 Encoder and Decoder § Generate and Detect DS3/E3 Alarms § Integrated HDLC Controller for Each Channel § Integrated FEAC Controller for Each Channel § Integrated Bit Error-Rate Tester (BERT) for Each Channel § Large Performance-Monitoring Counters § Line, Diagnostic, and Payload Loopbacks § Externally Controlled Transmit Overhead Insertion Port § Support External Timing or Loop-Timing § Framers can be Powered Down When Not Used § 8-Bit Processor Port Supports Muxed or Nonmuxed Bus Operation (Intel or Motorola) § 3.3V Supply with 5V Tolerant I/O § 144-Pin, 13mm x 13mm CSBGA Package § IEEE 1149.1 JTAG Support ORDERING INFORMATION PART NO. OF FRAMERS TEMP RANGE PIN-PACKAGE DS3141 1 0°C to +70 °C 144 CSBGA DS3141N 1 -40°C to +85 °C 144 CSBGA DS3142 2 0°C to +70 °C 144 CSBGA DS3142 2 -40°C to +85 °C 144 CSBGA DS3143 3 0°C to +70 °C 144 CSBGA DS3143N 3 -40°C to +85 °C 144 CSBGA DS3144 4 0°C to +70 °C 144 CSBGA DS3144N 4 -40°C to +85 °C 144 CSBGA www.maxim-ic.com DS3141/DS3142/DS3143/DS3144 Single/Dual/Triple/Quad DS3/E3 Framers POS/NRZ NEG/LCV CLK CLK DATA SYNC RECEIVE FRAMER TRANSMIT FORMATTER CLK DATA SYNC POS/NRZ NEG CLK LIU INTERFACE SYSTEM INTERFACE OVERHEAD EACH FRAMER Dallas Semiconductor DS314x Pin Configurations appear at end of data sheet. DESIGN KIT AVAILABLE |
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