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Image Part # Manufacturer Description Availability Pricing Quantity Factory Lead TimeContact PlatingMountMounting TypePackage / CaseSurface MountNumber of PinsSupplier Device PackageWeightOperating Temperature (Max.)Operating Temperature (Min.)Operating TemperaturePackagingPublishedJESD-609 CodePbfree CodePart StatusMoisture Sensitivity Level (MSL)Number of TerminationsECCN CodeResistanceTerminal FinishMax Operating TemperatureMin Operating TemperatureApplicationsHTS CodeMax Power DissipationVoltage - SupplyTerminal PositionTerminal FormPeak Reflow Temperature (Cel)Number of FunctionsSupply VoltageTerminal PitchReach Compliance CodeFrequencyTime@Peak Reflow Temperature-Max (s)Base Part NumberPin CountJESD-30 CodeFunctionQualification StatusOperating Supply VoltagePower SuppliesTemperature GradeNumber of ChannelsInterfaceNumber of CircuitsMax Supply VoltageMin Supply VoltageOperating Supply CurrentNominal Supply CurrentMax Supply CurrentSupply Current-MaxCurrent - SupplyLogic FunctionData RateSupply TypeResolutionSampling RateTelecom IC TypeNumber of TransceiversNumber of TransmittersHeightHeight Seated (Max)LengthWidthRadiation HardeningRoHS StatusLead Free
Maxim Integrated DS26504LNB2
Mfr. Part #
DS26504LNB2
Twicea Part #
503-510-DS26504LNB2 		Maxim Integrated
IC T1/E1/J1 64KCC ELEMENT 64LQFP
Datasheet Compare
3034 In Stock
    Min.:1
    Mult.:1
    		 6 Weeks - Surface Mount Surface Mount 64-LQFP - 64 - - - - -40°C~85°C Tube 2003 - - Obsolete 3 (168 Hours) - - - - - - - - - 3.14V~3.47V - - NOT SPECIFIED - - - - - NOT SPECIFIED DS26504 - - BITS Element - - - - - 64KCC, E1, T1 1 - - 150mA - - - - - - - - - FRAMER - - - - - - - ROHS3 Compliant -
    DS26504LNB2
    DS26504LNB2

    503-510-DS26504LNB2 Maxim Integrated
    RoHS :
    Package : -
    In Stock : 3034
    1 : -
    Maxim Integrated MAX2991ECM
    Mfr. Part #
    MAX2991ECM
    Twicea Part #
    503-510-MAX2991ECM     		Maxim Integrated
    IC TELECOM INTERFACE 48LQFP
    Datasheet Compare
    1 In Stock
      Min.:1
      Mult.:1
      		 - Tin Surface Mount Surface Mount 48-LQFP - 48 - 181.692094mg - - -40°C~85°C Tube 2010 e3 yes Active 2 (1 Year) 48 - - - - - - - 1.54W 3V~3.6V QUAD GULL WING 260 - 3.3V 0.5mm - - 30 MAX2991 - - Analog Front-End Transceiver - 3.3V - - - SPI Serial 1 - - 70mA - - - - Transceiver - - 1.25 B 1.2 Msps TELECOM CIRCUIT - - 1.45mm - 9.1mm 9.1mm No ROHS3 Compliant -
      MAX2991ECM
      MAX2991ECM

      503-510-MAX2991ECM Maxim Integrated
      RoHS :
      Package : -
      In Stock : 1
      1 : -
      Maxim Integrated DS21552LN
      Mfr. Part #
      DS21552LN
      Twicea Part #
      503-510-DS21552LN       		Maxim Integrated
      IC TXRX T1 1-CHIP 5V 100-LQFP
      Datasheet Compare
        Min.:1
        Mult.:1
        		 - - Surface Mount Surface Mount 100-LQFP - 100 - - - - -40°C~85°C Tray 2001 e0 - Obsolete 3 (168 Hours) - - - Tin/Lead (Sn/Pb) - - - - - 4.75V~5.25V QUAD GULL WING 240 - 5V 0.5mm not_compliant - 20 DS21552 - - Single-Chip Transceiver Not Qualified 3.3V 5V - - E1, HDLC, J1, T1 - - - 75mA - 75mA - - Transceiver 64 kbps - - - - - 1 - - - - - Non-RoHS Compliant Contains Lead
        DS21552LN
        DS21552LN

        503-510-DS21552LN Maxim Integrated
        RoHS :
        Package : -
        In Stock : -
        1 : -
        Maxim Integrated DS3172N
        Mfr. Part #
        DS3172N
        Twicea Part #
        503-510-DS3172N         		Maxim Integrated
        IC TELECOM INTERFACE 400BGA
        Datasheet Compare
        550 In Stock
          Min.:1
          Mult.:1
          		 - - - Surface Mount 349-BBGA, CSBGA Exposed Pad YES - - - - - -40°C~85°C Tray 2006 - yes Obsolete 2 (1 Year) 400 EAR99 - - - - - - - 3.135V~3.465V BOTTOM BALL 260 - 3.3V - - - 30 DS3172 - S-PBGA-B400 Single-Chip Transceiver Not Qualified - 3.3V - - DS3, E3 2 - - - - - - 328mA - - - - - FRAMER - - - - - - - ROHS3 Compliant -
          DS3172N
          DS3172N

          503-510-DS3172N Maxim Integrated
          RoHS :
          Package : -
          In Stock : 550
          1 : -
          Maxim Integrated DS21554L
          Mfr. Part #
          DS21554L
          Twicea Part #
          503-510-DS21554L           		Maxim Integrated
          IC TXRX E1 1-CHIP 5V 100-LQFP
          Datasheet Compare
          2365 In Stock
            Min.:1
            Mult.:1
            		 - - Surface Mount Surface Mount 100-LQFP - 100 - 1.319103g - - 0°C~70°C Tray 2004 e0 no Obsolete 3 (168 Hours) 100 EAR99 - Tin/Lead (Sn/Pb) - - - - - 4.75V~5.25V QUAD GULL WING 245 - 5V 0.5mm - - - DS21554 - - Single-Chip Transceiver - 5V 5V - - E1, HDLC, J1, T1 - - - 75mA - 75mA - - Transceiver 1.544 Mbps - - - - 1 - 1.45mm - 14mm 14mm No Non-RoHS Compliant Contains Lead
            DS21554L
            DS21554L

            503-510-DS21554L Maxim Integrated
            RoHS :
            Package : -
            In Stock : 2365
            1 : -
            Maxim Integrated DS21Q352
            Mfr. Part #
            DS21Q352
            Twicea Part #
            503-510-DS21Q352             		Maxim Integrated
            IC TXRX T1/E1 QUAD 3.3V 256-BGA
            Datasheet Compare
            500 In Stock
              Min.:1
              Mult.:1
              		 - - Surface Mount Surface Mount 256-BGA - 256 256-BGA (27x27) - - - - Tray 1998 - - Obsolete 3 (168 Hours) - - - - - - - - - 3.3V - - - - - - - - - DS21Q352 - - Transceiver - 3.3V - - 4 T1 4 - - - - - - - Transceiver - - - - - 4 - - - - - - Non-RoHS Compliant Contains Lead
              DS21Q352
              DS21Q352

              503-510-DS21Q352 Maxim Integrated
              RoHS :
              Package : -
              In Stock : 500
              1 : -
              Maxim Integrated DS2149QN
              Mfr. Part #
              DS2149QN
              Twicea Part #
              503-510-DS2149QN               		Maxim Integrated
              IC TELECOM INTERFACE 28PLCC
              Datasheet Compare
                Min.:1
                Mult.:1
                		 13 Weeks - - - - YES - - - 85°C -40°C - Tube 2003 e3 yes Active 3 (168 Hours) 28 EAR99 - Matte Tin (Sn) - - - 8542.39.00.01 - - QUAD J BEND 260 1 5V 1.27mm - - NOT SPECIFIED - 28 S-PQCC-J28 - Not Qualified - 5V INDUSTRIAL - - - - - - - - - - - - - - - PCM TRANSCEIVER - - - 4.57mm 11.5062mm 11.5062mm - ROHS3 Compliant Lead Free
                DS2149QN
                DS2149QN

                503-510-DS2149QN Maxim Integrated
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                In Stock : -
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                Maxim Integrated DS26303L-75
                Mfr. Part #
                DS26303L-75
                Twicea Part #
                503-510-DS26303L-75                 		Maxim Integrated
                IC LIU E1/T1/J1 3.3V 144-ELQFP
                Datasheet Compare
                78 In Stock
                  Min.:1
                  Mult.:1
                  		 - - Surface Mount - LQFP - 144 - - - - - Tray 2007 e3 yes Obsolete 2A (4 Weeks) 144 EAR99 - Matte Tin (Sn) 70°C 0°C - 8542.39.00.01 - - QUAD GULL WING 260 1 3.3V 0.5mm - - NOT SPECIFIED - 144 - - Not Qualified 3.3V - COMMERCIAL - - - 3.465V 3.135V - - - - - - - - - - PCM TRANSCEIVER - - - 1.6mm 20mm 20mm - ROHS3 Compliant -
                  DS26303L-75
                  DS26303L-75

                  503-510-DS26303L-75 Maxim Integrated
                  RoHS :
                  Package : -
                  In Stock : 78
                  1 : -
                  Maxim Integrated DS21354LB
                  Mfr. Part #
                  DS21354LB
                  Twicea Part #
                  503-510-DS21354LB                   		Maxim Integrated
                  IC TELECOM INTERFACE 100LQFP
                  Datasheet Compare
                  163 In Stock
                    Min.:1
                    Mult.:1
                    		 10 Weeks - - Surface Mount 100-LQFP YES - - - - - 0°C~70°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 - - NOT SPECIFIED DS21354 - - Single-Chip Transceiver Not Qualified - - - - E1, HDLC 1 - - - - - - 75mA - - - - - PCM TRANSCEIVER - - - - - - - ROHS3 Compliant -
                    DS21354LB
                    DS21354LB

                    503-510-DS21354LB Maxim Integrated
                    RoHS :
                    Package : -
                    In Stock : 163
                    1 : -
                    Maxim Integrated DS2155G
                    Mfr. Part #
                    DS2155G
                    Twicea Part #
                    503-510-DS2155G                     		Maxim Integrated
                    IC TXRX T1/E1/J1 1-CHIP 100CSBGA
                    Datasheet Compare
                      Min.:1
                      Mult.:1
                      		 - - Surface Mount Surface Mount 100-LFBGA, CSPBGA - 100 - - - - 0°C~70°C Tray 2006 e0 no Obsolete 3 (168 Hours) 100 - - Tin/Lead (Sn/Pb) - - - - - 3.14V~3.47V BOTTOM BALL 240 - 3.3V 0.8mm - - 20 DS2155 - - Single-Chip Transceiver - 3.3V - - - E1, HDLC, J1, T1 - - - 75mA - 75mA - - Transceiver 64 kbps - - - FRAMER 1 - - - - - No Non-RoHS Compliant Contains Lead
                      DS2155G
                      DS2155G

                      503-510-DS2155G Maxim Integrated
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                      In Stock : -
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                      Maxim Integrated DS21554LN
                      Mfr. Part #
                      DS21554LN
                      Twicea Part #
                      503-510-DS21554LN                       		Maxim Integrated
                      IC TXRX E1 1-CHIP 5V 100-LQFP
                      Datasheet Compare
                      999 In Stock
                        Min.:1
                        Mult.:1
                        		 - - Surface Mount Surface Mount 100-LQFP - 100 - - - - -40°C~85°C Tray 2001 e0 no Obsolete 3 (168 Hours) - - - Tin/Lead (Sn/Pb) - - - - - 4.75V~5.25V QUAD GULL WING 240 - 5V 0.5mm not_compliant - 20 DS21554 - - Single-Chip Transceiver Not Qualified 3.3V 5V - - E1, HDLC, J1, T1 - - - 75mA - 75mA - - Transceiver 64 kbps - - - - - 1 - - - - - Non-RoHS Compliant Contains Lead
                        DS21554LN
                        DS21554LN

                        503-510-DS21554LN Maxim Integrated
                        RoHS :
                        Package : -
                        In Stock : 999
                        1 : -
                        Maxim Integrated DS21Q44T
                        Mfr. Part #
                        DS21Q44T
                        Twicea Part #
                        503-510-DS21Q44T                         		Maxim Integrated
                        IC FRAMER ENHANCED E1 4X 128TQFP
                        Datasheet Compare
                          Min.:1
                          Mult.:1
                          		 - - Surface Mount Surface Mount 128-LQFP - 128 - - - - 0°C~70°C Tube 2002 e0 - Obsolete 3 (168 Hours) 128 - - Tin/Lead (Sn/Pb) - - - - - 2.97V~3.63V QUAD GULL WING 240 1 3.3V 0.5mm not_compliant - 20 DS21Q44 128 - - Not Qualified 3.3V - - - Parallel/Serial 4 - - 75mA - 75mA - - - 1.544 Mbps - - - FRAMER - - - 1.6mm 20mm - - Non-RoHS Compliant Contains Lead
                          DS21Q44T
                          DS21Q44T

                          503-510-DS21Q44T Maxim Integrated
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                          In Stock : -
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                          Maxim Integrated DS3141N
                          Mfr. Part #
                          DS3141N
                          Twicea Part #
                          503-510-DS3141N                           		Maxim Integrated
                          Telecom Interface ICs Single DS3/E3 Framer
                          Datasheet Compare
                            Min.:1
                            Mult.:1
                            		 - - Surface Mount Surface Mount 144-BGA, CSPBGA - 144 - - - - -40°C~85°C Tray 2003 e0 no Obsolete 1 (Unlimited) 144 EAR99 - Tin/Lead (Sn/Pb) - - - - - 3.135V~3.465V BOTTOM BALL 240 - 3.3V - - - 20 DS3141 - - Framer, Line Interface Unit (LIU) - 3.3V - - - LIU 1 - - 500mA - 90mA - - - 2.048 Mbps - - - - - - - - - - No Non-RoHS Compliant -
                            DS3141N
                            DS3141N

                            503-510-DS3141N Maxim Integrated
                            RoHS :
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                            In Stock : -
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                            Maxim Integrated DS31256B
                            Mfr. Part #
                            DS31256B
                            Twicea Part #
                            503-510-DS31256B                             		Maxim Integrated
                            I/O Controller Interface IC 256Ch High Thruput HDLC Cntlr
                            Datasheet Compare
                              Min.:1
                              Mult.:1
                              		 - - Surface Mount Surface Mount 256-BGA - 256 - - - - 0°C~70°C Tray 2006 e0 no Obsolete 1 (Unlimited) 256 EAR99 - Tin/Lead (Sn/Pb) - - - 8542.31.00.01 - 3V~3.6V BOTTOM BALL - 1 3.3V 1.27mm - - - DS31256 256 - - - 3.3V - - - Serial - - - 500mA - - - - - 132 Mbps - - - TELECOM CIRCUIT - - - 2.54mm 27mm 27mm No ROHS3 Compliant -
                              DS31256B
                              DS31256B

                              503-510-DS31256B Maxim Integrated
                              RoHS :
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                              Maxim Integrated 78P2352-IGT/F
                              Mfr. Part #
                              78P2352-IGT/F
                              Twicea Part #
                              503-510-78P2352-IGT/F                               		Maxim Integrated
                              Interface - Specialized Dual Ch OC-3/STM1-1e/E4 LIU
                              Datasheet Compare
                              89 In Stock
                                Min.:1
                                Mult.:1
                                		 10 Weeks Tin Surface Mount Surface Mount 128-LQFP Exposed Pad - - - - - - -40°C~85°C Bulk 2006 - no Not For New Designs 3 (168 Hours) 128 5A991 - - - - SONET;SDH - - 3.15V~3.45V QUAD GULL WING NOT SPECIFIED - 3.3V 0.4mm - - NOT SPECIFIED 78P2352 - - Line Interface Unit (LIU) Not Qualified - 3.3V - - CMOS 2 - - - - - - 325mA - - - - - ATM/SONET/SDH TRANSCEIVER - - - 1.6mm 14mm 14mm - ROHS3 Compliant -
                                78P2352-IGT/F
                                78P2352-IGT/F

                                503-510-78P2352-IGT/F Maxim Integrated
                                RoHS :
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                                In Stock : 89
                                1 : -
                                Maxim Integrated DS2141A
                                Mfr. Part #
                                DS2141A
                                Twicea Part #
                                503-510-DS2141A                                 		Maxim Integrated
                                IC TELECOM INTERFACE 40DIP
                                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) - - - 8542.31.00.01 - 4.5V~5.5V DUAL - 240 1 5V 2.54mm - - 20 DS2141A 40 - - - 5V 5V - - Parallel/Serial - - - 10mA - 10mA - - - 2.048 Mbps - - - FRAMER - - - 5.08mm 52.075mm 15.24mm No Non-RoHS Compliant Contains Lead
                                  DS2141A
                                  DS2141A

                                  503-510-DS2141A Maxim Integrated
                                  RoHS :
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                                  In Stock : -
                                  1 : -
                                  Maxim Integrated DS21372TN
                                  Mfr. Part #
                                  DS21372TN
                                  Twicea Part #
                                  503-510-DS21372TN                                   		Maxim Integrated
                                  Communication ICs - Various 3.3V Bit Error Rate Tester (BERT)
                                  Datasheet Compare
                                    Min.:1
                                    Mult.:1
                                    		 6 Weeks - Surface Mount Surface Mount 32-TQFP - 32 - - - - -40°C~85°C Tray 2000 e3 yes Obsolete 3 (168 Hours) 32 EAR99 - MATTE TIN - - - - - 3V~3.6V QUAD GULL WING 260 - 3.3V 0.8mm - - 30 DS21372 - - Bit Error Rate Tester (BERT) - 3.3V - - - T1 1 - - 10mA 10mA - - - - - Digital - - TELECOM CIRCUIT - - - - 7mm 7mm No ROHS3 Compliant Lead Free
                                    DS21372TN
                                    DS21372TN

                                    503-510-DS21372TN Maxim Integrated
                                    RoHS :
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                                    In Stock : -
                                    1 : -
                                    Maxim Integrated DS2174QN
                                    Mfr. Part #
                                    DS2174QN
                                    Twicea Part #
                                    503-510-DS2174QN                                     		Maxim Integrated
                                    IC TELECOM INTERFACE 44PLCC
                                    Datasheet Compare
                                      Min.:1
                                      Mult.:1
                                      		 - Tin Surface Mount Surface Mount 44-LCC (J-Lead) - 44 - 2.386605g - - -40°C~85°C Tube 2002 e3 yes Obsolete 3 (168 Hours) 44 EAR99 - - - - - - - 3V~3.6V QUAD J BEND 260 - 3.3V - - 80MHz - DS2174 - - Enhanced Bit Error Rate Tester (EBERT) - 3.3V - - - E1, J1, T1 1 - - 50mA - - 0.06mA - - 622 Mbps - - - TELECOM CIRCUIT - - - 4.57mm - - No ROHS3 Compliant Lead Free
                                      DS2174QN
                                      DS2174QN

                                      503-510-DS2174QN Maxim Integrated
                                      RoHS :
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                                      In Stock : -
                                      1 : -
                                      Maxim Integrated DS3150TC1
                                      Mfr. Part #
                                      DS3150TC1
                                      Twicea Part #
                                      503-510-DS3150TC1                                       		Maxim Integrated
                                      IC TELECOM INTERFACE 48TQFP
                                      Datasheet Compare
                                        Min.:1
                                        Mult.:1
                                        		 6 Weeks - Surface Mount Surface Mount 48-LQFP - 48 - - - - -40°C~85°C Tray 2005 - - Obsolete 3 (168 Hours) - - - - - - - - - 3.135V~3.465V - - - - - - - - - DS3150 - - Line Interface Unit (LIU) - - - - - LIU 1 - - - - 110mA - - - 51.84 Mbps - - - - - - - - - - - ROHS3 Compliant -
                                        DS3150TC1
                                        DS3150TC1

                                        503-510-DS3150TC1 Maxim Integrated
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                                        In Stock : -
                                        1 : -
                                        Maxim Integrated MAX2990ECB
                                        Mfr. Part #
                                        MAX2990ECB
                                        Twicea Part #
                                        503-510-MAX2990ECB                                         		Maxim Integrated
                                        IC PLC MODEM OFDM BASED 64-LQFP
                                        Datasheet Compare
                                        753 In Stock
                                          Min.:1
                                          Mult.:1
                                          		 - Tin Surface Mount Surface Mount 64-LQFP - 64 - 342.689036mg - - -40°C~85°C Tube 2005 - yes Active 3 (168 Hours) - - 10kOhm - - - - - - - - - - - - - - 490kHz - MAX2990 - - Power Line Communication Modem (PLC) - 1.8V - - - I2C, SPI, UART 1 1.98V 1.7V 80mA - - - - - 100 kbps - - - - - - 1.45mm - 10.2mm 10.2mm No ROHS3 Compliant -
                                          MAX2990ECB
                                          MAX2990ECB

                                          503-510-MAX2990ECB Maxim Integrated
                                          RoHS :
                                          Package : -
                                          In Stock : 753
                                          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: DS26504LNB2 ,MAX2991ECM ,DS21552LN,DS3172N ,DS21554L.Integrated Circuits (ICs) type:Embedded - Microcontrollers(134273),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.