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Image Part # Manufacturer Description Availability Pricing Quantity Factory Lead TimeContact PlatingMountMounting TypePackage / CaseSurface MountNumber of PinsOperating Temperature (Max.)Operating TemperaturePackagingPublishedJESD-609 CodePbfree CodePart StatusMoisture Sensitivity Level (MSL)Number of TerminationsECCN CodeTerminal FinishHTS CodeVoltage - SupplyTerminal PositionTerminal FormPeak Reflow Temperature (Cel)Number of FunctionsSupply VoltageTerminal PitchReach Compliance CodeTime@Peak Reflow Temperature-Max (s)Base Part NumberPin CountJESD-30 CodeFunctionQualification StatusOperating Supply VoltagePower SuppliesTemperature GradeInterfaceNumber of CircuitsOperating Supply CurrentMax Supply CurrentCurrent - SupplyLogic FunctionData RateTelecom IC TypeNumber of TransceiversNumber of ReceiversNumber of TransmittersHeight Seated (Max)LengthWidthRadiation HardeningRoHS StatusLead Free
Maxim Integrated DS2149Q
Mfr. Part #
DS2149Q
Twicea Part #
503-510-DS2149Q 		Maxim Integrated
IC TELECOM INTERFACE 28PLCC
Datasheet Compare
212 In Stock
    Min.:1
    Mult.:1
    		 6 Weeks - - Surface Mount 28-LCC (J-Lead) YES - - 0°C~70°C Tube 2003 e3 yes Active 3 (168 Hours) 28 EAR99 Matte Tin (Sn) - 4.75V~5.25V QUAD J BEND 260 - 5V - - NOT SPECIFIED DS2149 - S-PQCC-J28 Line Interface Unit (LIU) Not Qualified - 5V - LIU 1 - - - - - PCM TRANSCEIVER - - - 4.57mm - - - ROHS3 Compliant Lead Free
    DS2149Q
    DS2149Q

    503-510-DS2149Q Maxim Integrated
    RoHS :
    Package : -
    In Stock : 212
    1 : -
    Maxim Integrated DS21552L
    Mfr. Part #
    DS21552L
    Twicea Part #
    503-510-DS21552L     		Maxim Integrated
    IC TXRX T1 1-CHIP 5V 100-LQFP
    Datasheet Compare
    16 In Stock
      Min.:1
      Mult.:1
      		 - - Surface Mount Surface Mount 100-LQFP - 100 - 0°C~70°C Tray 2001 e0 no Obsolete 3 (168 Hours) 100 EAR99 Tin/Lead (Sn/Pb) - 4.75V~5.25V QUAD GULL WING 240 - 5V 0.5mm - 20 DS21552 - - Single-Chip Transceiver - 3.3V 5V - E1, HDLC, J1, T1 - 75mA 75mA - Transceiver 64 kbps - - 1 - - - - No Non-RoHS Compliant Contains Lead
      DS21552L
      DS21552L

      503-510-DS21552L Maxim Integrated
      RoHS :
      Package : -
      In Stock : 16
      1 : -
      Maxim Integrated DS2143
      Mfr. Part #
      DS2143
      Twicea Part #
      503-510-DS2143       		Maxim Integrated
      IC CONTROLLER E1 5V LP 40-DIP
      Datasheet Compare
        Min.:1
        Mult.:1
        		 - - Through Hole Through Hole 40-DIP (0.600, 15.24mm) - 40 - 0°C~70°C Tube 1999 e0 no Obsolete 1 (Unlimited) 40 EAR99 Tin/Lead (Sn/Pb) - 4.5V~5.5V DUAL - 240 1 5V 2.54mm - 20 DS2143 40 - - - 5V 5V - Parallel/Serial - 10mA 10mA - - - FRAMER 1 - - 5.08mm 52.075mm - No Non-RoHS Compliant Contains Lead
        DS2143
        DS2143

        503-510-DS2143 Maxim Integrated
        RoHS :
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        In Stock : -
        1 : -
        Maxim Integrated DS2141AQN
        Mfr. Part #
        DS2141AQN
        Twicea Part #
        503-510-DS2141AQN         		Maxim Integrated
        IC TELECOM INTERFACE 44PLCC
        Datasheet Compare
          Min.:1
          Mult.:1
          		 - - Surface Mount Surface Mount 44-LCC (J-Lead) - 44 - 0°C~70°C Tube 1999 e3 yes Obsolete 3 (168 Hours) 44 - Matte Tin (Sn) - 4.5V~5.5V QUAD J BEND 260 1 5V - - 30 DS2141A 44 - - - 5V - - Parallel/Serial - 10mA 10mA - - 768 kbps FRAMER 1 - - 4.57mm - - No Non-RoHS Compliant Contains Lead
          DS2141AQN
          DS2141AQN

          503-510-DS2141AQN Maxim Integrated
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          Package : -
          In Stock : -
          1 : -
          Maxim Integrated DS3134
          Mfr. Part #
          DS3134
          Twicea Part #
          503-510-DS3134           		Maxim Integrated
          IC CTRLR HDLC CHATEAU 256-BGA
          Datasheet Compare
            Min.:1
            Mult.:1
            		 - - Surface Mount Surface Mount 256-BGA - 256 - 0°C~70°C Tray 2000 e0 - Obsolete 3 (168 Hours) 256 - Tin/Lead (Sn/Pb) - 3V~3.6V BOTTOM BALL 225 - 3.3V - not_compliant NOT SPECIFIED DS3134 - - Controller Not Qualified - - - Serial 1 500mA - - - - FRAMER - - - 2.34mm 27mm 27mm - Non-RoHS Compliant Contains Lead
            DS3134
            DS3134

            503-510-DS3134 Maxim Integrated
            RoHS :
            Package : -
            In Stock : -
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            Maxim Integrated DS26504LN
            Mfr. Part #
            DS26504LN
            Twicea Part #
            503-510-DS26504LN             		Maxim Integrated
            IC T1/E1/J1 64KCC ELEMENT 64LQFP
            Datasheet Compare
            3034 In Stock
              Min.:1
              Mult.:1
              		 6 Weeks Tin Surface Mount Surface Mount 64-LQFP - 64 - -40°C~85°C Tray 2003 e3 yes Obsolete 3 (168 Hours) 64 EAR99 - - 3.14V~3.47V QUAD GULL WING 260 - 3.3V 0.5mm - - DS26504 - - BITS Element - - 3.3V - 64KCC, E1, T1 1 150mA - - - - FRAMER - - - - - - No ROHS3 Compliant Lead Free
              DS26504LN
              DS26504LN

              503-510-DS26504LN Maxim Integrated
              RoHS :
              Package : -
              In Stock : 3034
              1 : -
              Maxim Integrated DS3252
              Mfr. Part #
              DS3252
              Twicea Part #
              503-510-DS3252               		Maxim Integrated
              IC TELECOM INTERFACE 144CSBGA
              Datasheet Compare
                Min.:1
                Mult.:1
                		 - - - Surface Mount 144-BGA, CSPBGA YES - - 0°C~70°C Tray 2006 e1 yes Obsolete 4 (72 Hours) 144 EAR99 Tin/Silver/Copper (Sn/Ag/Cu) - 3.3V BOTTOM BALL 260 - 3.3V 1mm - 30 DS3252 - S-PBGA-B144 Line Interface Unit (LIU) Not Qualified - 3.3V - LIU 2 - - 150mA - - PCM TRANSCEIVER - - - 1.76mm 13mm 13mm - ROHS3 Compliant Lead Free
                DS3252
                DS3252

                503-510-DS3252 Maxim Integrated
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                In Stock : -
                1 : -
                Maxim Integrated DS3152N
                Mfr. Part #
                DS3152N
                Twicea Part #
                503-510-DS3152N                 		Maxim Integrated
                IC TELECOM INTERFACE 144CSBGA
                Datasheet Compare
                  Min.:1
                  Mult.:1
                  		 - - Surface Mount Surface Mount 144-BGA, CSPBGA - - - -40°C~85°C Tray 2007 e3 yes Obsolete 4 (72 Hours) 144 EAR99 Matte Tin (Sn) - 3.135V~3.465V BOTTOM BALL 260 - 3.3V 1mm - - DS3152 - S-PBGA-B144 Line Interface Unit (LIU) - 3.3V - - LIU 2 - 200mA 150mA - 51.84 Mbps PCM TRANSCEIVER - - - 1.76mm 13mm 13mm No ROHS3 Compliant Lead Free
                  DS3152N
                  DS3152N

                  503-510-DS3152N Maxim Integrated
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                  In Stock : -
                  1 : -
                  Maxim Integrated DS3112D1
                  Mfr. Part #
                  DS3112D1
                  Twicea Part #
                  503-510-DS3112D1                   		Maxim Integrated
                  IC TELECOM INTERFACE 256BGA
                  Datasheet Compare
                    Min.:1
                    Mult.:1
                    		 - - Surface Mount Surface Mount 256-BGA - 256 - 0°C~70°C Tray 2006 - no Obsolete 2 (1 Year) 256 EAR99 - - 3.135V~3.465V BOTTOM BALL 240 1 3.3V - - 20 DS3112 256 - - - 3.3V - - Parallel/Serial - 150mA 150mA - - 44.736 Mbps FRAMER 1 - - 2.34mm 27mm 27mm No ROHS3 Compliant -
                    DS3112D1
                    DS3112D1

                    503-510-DS3112D1 Maxim Integrated
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                    In Stock : -
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                    Maxim Integrated DS3150TNC1
                    Mfr. Part #
                    DS3150TNC1
                    Twicea Part #
                    503-510-DS3150TNC1                     		Maxim Integrated
                    IC TELECOM INTERFACE 48TQFP
                    Datasheet Compare
                      Min.:1
                      Mult.:1
                      		 6 Weeks - - Surface Mount 48-LQFP - - - -40°C~85°C Tray 2005 - - Obsolete 2 (1 Year) - - - - 3.135V~3.465V - - - - - - - - DS3150 - - Line Interface Unit (LIU) - - - - LIU 1 - - - - - - - - - - - - - ROHS3 Compliant -
                      DS3150TNC1
                      DS3150TNC1

                      503-510-DS3150TNC1 Maxim Integrated
                      RoHS :
                      Package : -
                      In Stock : -
                      1 : -
                      Maxim Integrated DS21354LN
                      Mfr. Part #
                      DS21354LN
                      Twicea Part #
                      503-510-DS21354LN                       		Maxim Integrated
                      IC TXRX E1 1-CHIP 3.3V 100-LQFP
                      Datasheet Compare
                      1 In Stock
                        Min.:1
                        Mult.:1
                        		 13 Weeks - - Surface Mount 100-LQFP YES - - -40°C~85°C Tray 2004 e3 yes Active 3 (168 Hours) 100 EAR99 Matte Tin (Sn) - 3.14V~3.47V QUAD GULL WING 260 - 3.3V 0.5mm - 30 DS21354 - - Single-Chip Transceiver Not Qualified - 3.3V - E1, HDLC 1 - - 75mA - - PCM TRANSCEIVER - - - - - - - ROHS3 Compliant Lead Free
                        DS21354LN
                        DS21354LN

                        503-510-DS21354LN Maxim Integrated
                        RoHS :
                        Package : -
                        In Stock : 1
                        1 : -
                        Maxim Integrated MAX79356ECM
                        Mfr. Part #
                        MAX79356ECM
                        Twicea Part #
                        503-510-MAX79356ECM                         		Maxim Integrated
                        IC TELECOM INTERFACE 48LQFP
                        Datasheet Compare
                        3567 In Stock
                          Min.:1
                          Mult.:1
                          		 8 Weeks - - Surface Mount 48-LQFP YES - - -40°C~85°C Tray 2015 e3 - Active 3 (168 Hours) 48 - Matte Tin (Sn) - 2.7V~3.6V QUAD GULL WING 260 1 3.3V 0.8mm - NOT SPECIFIED MAX79356 - S-PQFP-G48 - - - - - UART 1 - - 7.4mA - 230.4 Mbps MODEM - - - - 7mm 7mm - ROHS3 Compliant -
                          MAX79356ECM
                          MAX79356ECM

                          503-510-MAX79356ECM Maxim Integrated
                          RoHS :
                          Package : -
                          In Stock : 3567
                          1 : -
                          Maxim Integrated DS2143QN
                          Mfr. Part #
                          DS2143QN
                          Twicea Part #
                          503-510-DS2143QN                           		Maxim Integrated
                          IC CONTROLLER E1 5V LP 44-PLCC
                          Datasheet Compare
                            Min.:1
                            Mult.:1
                            		 - - Surface Mount Surface Mount 44-LCC (J-Lead) - 44 - -40°C~85°C Tube 1999 e0 no Obsolete 3 (168 Hours) 44 EAR99 Tin/Lead (Sn/Pb) - 4.5V~5.5V QUAD J BEND 240 1 5V - - 20 DS2143 44 - - - 5V 5V - Parallel/Serial - 10mA 10mA - - - FRAMER 1 - - 4.57mm - - No Non-RoHS Compliant Contains Lead
                            DS2143QN
                            DS2143QN

                            503-510-DS2143QN Maxim Integrated
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                            In Stock : -
                            1 : -
                            Maxim Integrated DS21Q554
                            Mfr. Part #
                            DS21Q554
                            Twicea Part #
                            503-510-DS21Q554                             		Maxim Integrated
                            IC TRANSCEIVER E1 QUAD 5V 256BGA
                            Datasheet Compare
                            500 In Stock
                              Min.:1
                              Mult.:1
                              		 18 Weeks - Surface Mount Surface Mount 256-BGA - 256 70°C - Tray 1998 - no Obsolete 3 (168 Hours) 256 EAR99 - - - BOTTOM BALL 240 - 5V 1.27mm - 20 DS21Q554 - - Transceiver - 5V - COMMERCIAL E1 4 - - - - - - - - - - 27mm 27mm No Non-RoHS Compliant Contains Lead
                              DS21Q554
                              DS21Q554

                              503-510-DS21Q554 Maxim Integrated
                              RoHS :
                              Package : -
                              In Stock : 500
                              1 : -
                              Maxim Integrated DS3112
                              Mfr. Part #
                              DS3112
                              Twicea Part #
                              503-510-DS3112                               		Maxim Integrated
                              IC TELECOM INTERFACE 256BGA
                              Datasheet Compare
                              142 In Stock
                                Min.:1
                                Mult.:1
                                		 - - - Surface Mount 256-BGA YES - - 0°C~70°C Tray 2004 e0 no Obsolete 3 (168 Hours) 256 EAR99 Tin/Lead (Sn/Pb) 8542.39.00.01 3.135V~3.465V BOTTOM BALL 240 1 3.3V 1.27mm not_compliant 20 DS3112 256 S-PBGA-B256 - Not Qualified - 3.3V - Parallel/Serial - - - 150mA - - FRAMER - - - 2.34mm 27mm 27mm - Non-RoHS Compliant -
                                DS3112
                                DS3112

                                503-510-DS3112 Maxim Integrated
                                RoHS :
                                Package : -
                                In Stock : 142
                                1 : -
                                Maxim Integrated DS21FT44N
                                Mfr. Part #
                                DS21FT44N
                                Twicea Part #
                                503-510-DS21FT44N                                 		Maxim Integrated
                                IC FRAMER E1 4X3 12CH IND 300BGA
                                Datasheet Compare
                                  Min.:1
                                  Mult.:1
                                  		 - - Surface Mount Surface Mount 300-BBGA - 300 - -45°C~85°C Tray 2002 e0 no Obsolete 4 (72 Hours) 300 EAR99 Tin/Lead (Sn/Pb) 8542.39.00.01 2.97V~3.63V BOTTOM BALL 240 1 3.3V 1.27mm - 20 DS21FT44 300 - - - 3.3V - - Parallel/Serial - 225mA 225mA - - 1.544 Mbps FRAMER 12 - - 2.54mm 27mm 27mm No Non-RoHS Compliant Contains Lead
                                  DS21FT44N
                                  DS21FT44N

                                  503-510-DS21FT44N Maxim Integrated
                                  RoHS :
                                  Package : -
                                  In Stock : -
                                  1 : -
                                  Maxim Integrated DS2143Q
                                  Mfr. Part #
                                  DS2143Q
                                  Twicea Part #
                                  503-510-DS2143Q                                   		Maxim Integrated
                                  IC CONTROLLER E1 5V LP 44-PLCC
                                  Datasheet Compare
                                    Min.:1
                                    Mult.:1
                                    		 - - - Surface Mount 44-LCC (J-Lead) YES - - 0°C~70°C Tube 1999 e3 yes Obsolete 3 (168 Hours) 44 EAR99 Matte Tin (Sn) 8542.31.00.01 4.5V~5.5V QUAD J BEND 260 1 5V 1.27mm - 30 DS2143 44 S-PQCC-J44 - Not Qualified - - - Parallel/Serial - - - 10mA - - FRAMER - - - 4.57mm 16.585mm 16.585mm - ROHS3 Compliant Lead Free
                                    DS2143Q
                                    DS2143Q

                                    503-510-DS2143Q Maxim Integrated
                                    RoHS :
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                                    In Stock : -
                                    1 : -
                                    Maxim Integrated DS2152L
                                    Mfr. Part #
                                    DS2152L
                                    Twicea Part #
                                    503-510-DS2152L                                     		Maxim Integrated
                                    IC TXRX T1 1CHIP ENHNCD 100-LQFP
                                    Datasheet Compare
                                    69 In Stock
                                      Min.:1
                                      Mult.:1
                                      		 - - - Surface Mount 100-LQFP YES - - 0°C~70°C Tray 2006 e3 yes Obsolete 3 (168 Hours) 100 EAR99 Matte Tin (Sn) - 4.75V~5.25V QUAD GULL WING 260 - 5V 0.5mm - 30 DS2152 - - Single-Chip Transceiver Not Qualified - 5V - T1 1 - - 75mA - - FRAMER - - - - - - - ROHS3 Compliant Lead Free
                                      DS2152L
                                      DS2152L

                                      503-510-DS2152L Maxim Integrated
                                      RoHS :
                                      Package : -
                                      In Stock : 69
                                      1 : -
                                      Maxim Integrated DS3251N
                                      Mfr. Part #
                                      DS3251N
                                      Twicea Part #
                                      503-510-DS3251N                                       		Maxim Integrated
                                      IC TELECOM INTERFACE 144CSBGA
                                      Datasheet Compare
                                        Min.:1
                                        Mult.:1
                                        		 - - Surface Mount Surface Mount 144-BGA, CSPBGA - 144 - -40°C~85°C Tray 2006 e1 yes Obsolete 4 (72 Hours) - EAR99 Tin/Silver/Copper (Sn/Ag/Cu) - 3.135V~3.465V BOTTOM BALL 260 - 3.3V - - - DS3251 - - Line Interface Unit (LIU) - - 3.3V - LIU - - 120mA 80mA - 51.84 Mbps PCM TRANSCEIVER - - 1 - - - No ROHS3 Compliant Lead Free
                                        DS3251N
                                        DS3251N

                                        503-510-DS3251N Maxim Integrated
                                        RoHS :
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                                        In Stock : -
                                        1 : -
                                        Maxim Integrated DS21Q554BN
                                        Mfr. Part #
                                        DS21Q554BN
                                        Twicea Part #
                                        503-510-DS21Q554BN                                         		Maxim Integrated
                                        IC TELECOM INTERFACE 256BGA
                                        Datasheet Compare
                                          Min.:1
                                          Mult.:1
                                          		 10 Weeks - Surface Mount Surface Mount 256-BGA - 256 - - Tray 1998 - - Obsolete 3 (168 Hours) - - - - 5V - - - - - - - - DS21Q554 - - Transceiver - - - - E1 4 - - - - - - - - - - - - No ROHS3 Compliant -
                                          DS21Q554BN
                                          DS21Q554BN

                                          503-510-DS21Q554BN Maxim Integrated
                                          RoHS :
                                          Package : -
                                          In Stock : -
                                          1 : -

                                          Integrated Circuits (ICs)

                                          Interface - Telecom definition: Telecom Interface device is a low-cost telephone line termination and protection device that provides additional surge protection against tr... Interface - Telecom Product Listing: DS2149Q ,DS21552L,DS2143,DS2141AQN,DS3134.Integrated Circuits (ICs) type:Embedded - Microcontrollers(134263),Memory(116337),PMIC - Voltage Regulators - Linear(107072),PMIC - Supervisors(101983),Embedded - FPGAs (Field Programmable Gate Array)(62862) .Interface - Telecom has 346 pieces of spot stock price information, you can click the "RFQ" button to confirm the inventory and price with the Twicea.