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Image Part # Manufacturer Description Availability Pricing Quantity MountPackage / CaseSurface MountNumber of PinsWeightNumber of I/OsOperating Temperature (Max.)Operating Temperature (Min.)Usage LevelPackagingJESD-609 CodePbfree CodeMoisture Sensitivity Level (MSL)Number of TerminationsTerminationECCN CodeTerminal FinishMax Operating TemperatureMin Operating TemperatureAdditional FeatureHTS CodeTerminal PositionTerminal FormPeak Reflow Temperature (Cel)Supply VoltageTerminal PitchTime@Peak Reflow Temperature-Max (s)Pin CountQualification StatusOperating Supply VoltageSupply Voltage-Max (Vsup)Power SuppliesTemperature GradeNumber of ChannelsInterfaceMax Supply VoltageMin Supply VoltageMemory SizeOperating Supply CurrentNominal Supply CurrentuPs/uCs/Peripheral ICs TypeClock FrequencyPropagation DelayData RateAddress Bus WidthBoundary ScanLow Power ModeScreening LevelExternal Data Bus WidthRAM (words)Number of Serial I/OsBus CompatibilityAmbient Temperature Range HighData Transfer Rate-MaxCommunication ProtocolData Encoding/Decoding MethodHeightHeight Seated (Max)LengthWidthRadiation HardeningREACH SVHCRoHS StatusLead Free
Exar Corporation XR16L784IV-F
Mfr. Part #
XR16L784IV-F
Twicea Part #
3417-511-XR16L784IV-F 		Exar Corporation
EXAR XR16L784IV-F UART Interface
Datasheet Compare
1350 In Stock
    Min.:1
    Mult.:1
    		 Surface Mount LQFP - 64 342.689036mg - - - - - e3 yes 3 (168 Hours) 64 SMD/SMT 5A991 Matte Tin (Sn) 85°C -40°C ALSO OPERATES AT 5V SUPPLY - QUAD GULL WING 260 3.3V 0.5mm 40 64 - - - 3.3/5V INDUSTRIAL 4 - 5.5V 2.97V 64B 5mA 5mA SERIAL IO/COMMUNICATION CONTROLLER, SERIAL 50MHz - 6.25 Mbps - NO YES - - - 4 UART - 0.78125 MBps ASYNC, BIT NRZ 1.45mm - 10.1mm 10.1mm No Unknown RoHS Compliant Lead Free
    XR16L784IV-F
    XR16L784IV-F

    3417-511-XR16L784IV-F Exar Corporation
    RoHS :
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    In Stock : 1350
    1 : -
    Exar Corporation XR16V554IV80-F
    Mfr. Part #
    XR16V554IV80-F
    Twicea Part #
    3417-511-XR16V554IV80-F     		Exar Corporation
    IC
    Datasheet Compare
    119 In Stock
      Min.:1
      Mult.:1
      		 Surface Mount LQFP - 80 639.990485mg - - - - - - yes - - SMD/SMT - - 85°C -40°C - - - - - - - - 80 - - - - - 4 - 3.6V 2.25V 16B 3mA - - - - 4 Mbps - - - - - - - - - - - - - - - - - Unknown RoHS Compliant Lead Free
      XR16V554IV80-F
      XR16V554IV80-F

      3417-511-XR16V554IV80-F Exar Corporation
      RoHS :
      Package : -
      In Stock : 119
      1 : -
      Exar Corporation XR17D152IM-F
      Mfr. Part #
      XR17D152IM-F
      Twicea Part #
      3417-511-XR17D152IM-F       		Exar Corporation
      UART 2-CH 64byte FIFO 3.3V/5V 100-Pin TQFP
      Datasheet Compare
      15 In Stock
        Min.:1
        Mult.:1
        		 Surface Mount TQFP - 100 657.000198mg - - - - - e3 yes - 100 - - Matte Tin (Sn) 85°C -40°C - - QUAD GULL WING 260 5V 0.5mm 40 100 - 5V - - INDUSTRIAL 2 - 5.5V 3V 64B 4mA 4mA SERIAL IO/COMMUNICATION CONTROLLER, SERIAL 50MHz - 6.25 Mbps - NO YES - - - 2 PCI - - ASYNC, BIT NRZ 1.05mm - 14.1mm 14.1mm No - RoHS Compliant Lead Free
        XR17D152IM-F
        XR17D152IM-F

        3417-511-XR17D152IM-F Exar Corporation
        RoHS :
        Package : -
        In Stock : 15
        1 : -
        Exar Corporation ST16C554DIJ68-F
        Mfr. Part #
        ST16C554DIJ68-F
        Twicea Part #
        3417-511-ST16C554DIJ68-F         		Exar Corporation
        EXAR ST16C554DIJ68-F UART Interface
        Datasheet Compare
        35 In Stock
          Min.:1
          Mult.:1
          		 Surface Mount PLCC - 68 - - - - - - e3 yes 1 (Unlimited) 68 - 5A991 Matte Tin (Sn) 85°C -40°C - - QUAD J BEND 260 5V 1.27mm 30 68 - 5V - - INDUSTRIAL 4 - 5.5V 2.97V - - 6mA SERIAL IO/COMMUNICATION CONTROLLER, SERIAL - - 1.5 Mbps - NO NO - - - 4 - - 0.1875 MBps ASYNC, BIT NRZ 3.68mm - 24.33mm 24.33mm No Unknown RoHS Compliant Lead Free
          ST16C554DIJ68-F
          ST16C554DIJ68-F

          3417-511-ST16C554DIJ68-F Exar Corporation
          RoHS :
          Package : -
          In Stock : 35
          1 : -
          Exar Corporation ST16C550IJ44-F
          Mfr. Part #
          ST16C550IJ44-F
          Twicea Part #
          3417-511-ST16C550IJ44-F           		Exar Corporation
          IC UART FIFO 16B SGL 44PLCC
          Datasheet Compare
          611 In Stock
            Min.:1
            Mult.:1
            		 Surface Mount PLCC - 44 - - - - - - e3 yes 1 (Unlimited) 44 - - Matte Tin (Sn) 85°C -40°C - - QUAD J BEND 260 5V - 40 44 - 5V - - INDUSTRIAL 1 - 5.5V 2.97V - - 3mA SERIAL IO/COMMUNICATION CONTROLLER, SERIAL 24MHz - 1.5 Mbps - NO NO - - - 1 - - - ASYNC, BIT NRZ 3.68mm - 16.66mm 16.66mm No Unknown RoHS Compliant Lead Free
            ST16C550IJ44-F
            ST16C550IJ44-F

            3417-511-ST16C550IJ44-F Exar Corporation
            RoHS :
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            In Stock : 611
            1 : -
            Exar Corporation XR20M1172IG28TR-F
            Mfr. Part #
            XR20M1172IG28TR-F
            Twicea Part #
            3417-511-XR20M1172IG28TR-F             		Exar Corporation
            UART 2-CH 64Byte FIFO 1.8V/2.5V/3.3V 28-Pin TSSOP
            Datasheet Compare
            500 In Stock
              Min.:1
              Mult.:1
              		 - TSSOP YES 28 - - 85°C -40°C - - e3 yes 1 (Unlimited) 28 - - Matte Tin (Sn) - - - 8542.31.00.01 DUAL GULL WING 260 3.3V 0.65mm 40 28 Not Qualified 3.6V 3.63V 1.8/3.3V INDUSTRIAL - - - - - - - SERIAL IO/COMMUNICATION CONTROLLER, I2C BUS 24MHz - 16 Mbps 2 NO YES - - - 2 - - 2 MBps I2C NRZ - 1.2mm 9.7mm 4.4mm - - RoHS Compliant Lead Free
              XR20M1172IG28TR-F
              XR20M1172IG28TR-F

              3417-511-XR20M1172IG28TR-F Exar Corporation
              RoHS :
              Package : -
              In Stock : 500
              1 : -
              Exar Corporation ST16C1550CQ48-F
              Mfr. Part #
              ST16C1550CQ48-F
              Twicea Part #
              3417-511-ST16C1550CQ48-F               		Exar Corporation
              IC UART FIFO 16B 48TQFP
              Datasheet Compare
              8 In Stock
                Min.:1
                Mult.:1
                		 Surface Mount TQFP - 48 - - - - - - e3 yes 3 (168 Hours) 48 - - MATTE TIN 70°C 0°C - - QUAD GULL WING 260 5V 0.5mm 40 48 - 5V - - COMMERCIAL 1 - 5.5V 2.97V - - 3mA SERIAL IO/COMMUNICATION CONTROLLER, SERIAL 24MHz - 1.5 Mbps 3 NO YES - 8 - 1 - - - ASYNC, BIT NRZ - - 7mm 7mm No - RoHS Compliant Lead Free
                ST16C1550CQ48-F
                ST16C1550CQ48-F

                3417-511-ST16C1550CQ48-F Exar Corporation
                RoHS :
                Package : -
                In Stock : 8
                1 : -
                Exar Corporation XR16V598IQ100-F
                Mfr. Part #
                XR16V598IQ100-F
                Twicea Part #
                3417-511-XR16V598IQ100-F                 		Exar Corporation
                IC UART FIFO 16B OCTAL 100QFP
                Datasheet Compare
                  Min.:1
                  Mult.:1
                  		 Surface Mount QFP - 100 8.190007g - - - - - e3 - 4 (72 Hours) 100 - - Matte Tin (Sn) 85°C -40°C - - QUAD GULL WING - - 0.635mm - - - - - 2.5/3.3V INDUSTRIAL 8 - 3.6V 2.25V 16B 2.5mA 2.5mA SERIAL IO/COMMUNICATION CONTROLLER, SERIAL - - 15 Mbps - - - - - - - - - - - - - - - - No - RoHS Compliant Lead Free
                  XR16V598IQ100-F
                  XR16V598IQ100-F

                  3417-511-XR16V598IQ100-F Exar Corporation
                  RoHS :
                  Package : -
                  In Stock : -
                  1 : -
                  Exar Corporation XR88C681CJ-F
                  Mfr. Part #
                  XR88C681CJ-F
                  Twicea Part #
                  3417-511-XR88C681CJ-F                   		Exar Corporation
                  EXAR XR88C681CJ-F UART Interface
                  Datasheet Compare
                  5000 In Stock
                    Min.:1
                    Mult.:1
                    		 Surface Mount PLCC - 44 - 4 - - - - e3 yes - 44 - EAR99 Matte Tin (Sn) 70°C 0°C - - QUAD J BEND - 5V - - 44 - 5V - 5V COMMERCIAL 2 - 5.25V 4.75V - - 15mA SERIAL IO/COMMUNICATION CONTROLLER, SERIAL - 400 ns 1 Mbps - NO YES - - 128 2 8080; 8080A; 8085; 8086; 8088; Z80; Z8000; 68XX; 65XX; 8051; 68HC11 - - ASYNC, BIT NRZ 4.57mm - 16.66mm 16.66mm No Unknown RoHS Compliant Lead Free
                    XR88C681CJ-F
                    XR88C681CJ-F

                    3417-511-XR88C681CJ-F Exar Corporation
                    RoHS :
                    Package : -
                    In Stock : 5000
                    1 : -
                    Exar Corporation XR68C681CJTR-F
                    Mfr. Part #
                    XR68C681CJTR-F
                    Twicea Part #
                    3417-511-XR68C681CJTR-F                     		Exar Corporation
                    IC UART CMOS DUAL 44PLCC
                    Datasheet Compare
                      Min.:1
                      Mult.:1
                      		 Surface Mount PLCC - 44 - - - - Military grade Tape and Reel e3 - - 44 - - Matte Tin (Sn) 70°C 0°C - - QUAD J BEND - 5V - - - Not Qualified 5V - 5V COMMERCIAL 2 - 5.25V 4.75V - - 15mA SERIAL IO/COMMUNICATION CONTROLLER, SERIAL 4MHz - 1 Mbps 4 NO NO MIL-STD-883 8 - 2 - - - ASYNC, BIT NRZ - 4.57mm 16.585mm 16.585mm - - RoHS Compliant Lead Free
                      XR68C681CJTR-F
                      XR68C681CJTR-F

                      3417-511-XR68C681CJTR-F Exar Corporation
                      RoHS :
                      Package : -
                      In Stock : -
                      1 : -
                      Exar Corporation XR68C681CJ-F
                      Mfr. Part #
                      XR68C681CJ-F
                      Twicea Part #
                      3417-511-XR68C681CJ-F                       		Exar Corporation
                      IC
                      Datasheet Compare
                      2000 In Stock
                        Min.:1
                        Mult.:1
                        		 Surface Mount PLCC - 44 2.386605g - - - Military grade - e3 yes 1 (Unlimited) 44 SMD/SMT EAR99 Matte Tin (Sn) 70°C 0°C - - QUAD J BEND 260 5V - 40 44 - 5V - 5V COMMERCIAL 2 - 5.25V 4.75V 3B 15mA 15mA SERIAL IO/COMMUNICATION CONTROLLER, SERIAL 4MHz 400 ns 1 Mbps - NO NO MIL-STD-883 - - 2 - - - ASYNC, BIT NRZ 4.57mm - 16.66mm 16.66mm No - RoHS Compliant Lead Free
                        XR68C681CJ-F
                        XR68C681CJ-F

                        3417-511-XR68C681CJ-F Exar Corporation
                        RoHS :
                        Package : -
                        In Stock : 2000
                        1 : -
                        Exar Corporation ST16C554DCJ68TR-F
                        Mfr. Part #
                        ST16C554DCJ68TR-F
                        Twicea Part #
                        3417-511-ST16C554DCJ68TR-F                         		Exar Corporation
                        UART 4-CH 16Byte FIFO 3.3V/5V 68-Pin PLCC T/R
                        Datasheet Compare
                          Min.:1
                          Mult.:1
                          		 Surface Mount PLCC - 68 - - - - - Tape and Reel e3 - - 68 - - Matte Tin (Sn) 70°C 0°C - - QUAD J BEND - - 1.27mm - - - 5V - - COMMERCIAL 4 - 5.5V 2.97V - - 6mA SERIAL IO/COMMUNICATION CONTROLLER, SERIAL - - 1.5 Mbps - - - - - - - - - - - - - - - - No - RoHS Compliant Lead Free
                          ST16C554DCJ68TR-F
                          ST16C554DCJ68TR-F

                          3417-511-ST16C554DCJ68TR-F Exar Corporation
                          RoHS :
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                          In Stock : -
                          1 : -
                          Exar Corporation ST16C2550IJ44-F
                          Mfr. Part #
                          ST16C2550IJ44-F
                          Twicea Part #
                          3417-511-ST16C2550IJ44-F                           		Exar Corporation
                          IC UART FIFO 16B DUAL 44PLCC
                          Datasheet Compare
                          2365 In Stock
                            Min.:1
                            Mult.:1
                            		 Surface Mount PLCC - 44 - - - - - - e3 yes - 44 - - Matte Tin (Sn) 85°C -40°C ALSO OPERATES AT 3.3V SUPPLY - QUAD J BEND 260 5V - 40 44 - - - 3.3/5V INDUSTRIAL 2 - 5.5V 2.97V - - 3mA SERIAL IO/COMMUNICATION CONTROLLER, SERIAL 64MHz - 4 Mbps - NO NO - - - 2 - - 0.5 MBps ASYNC, BIT NRZ 4.57mm - 16.66mm 16.66mm No - RoHS Compliant Lead Free
                            ST16C2550IJ44-F
                            ST16C2550IJ44-F

                            3417-511-ST16C2550IJ44-F Exar Corporation
                            RoHS :
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                            In Stock : 2365
                            1 : -
                            Exar Corporation XR16C2550IM-F
                            Mfr. Part #
                            XR16C2550IM-F
                            Twicea Part #
                            3417-511-XR16C2550IM-F                             		Exar Corporation
                            UART 2-CH 16Byte FIFO 3.3V/5V 48-Pin TQFP
                            Datasheet Compare
                            128 In Stock
                              Min.:1
                              Mult.:1
                              		 Surface Mount TQFP - 48 - - - - - - e3 yes 3 (168 Hours) 48 - - MATTE TIN 70°C 0°C - - QUAD GULL WING 260 5V 0.5mm 40 48 - 5V - - INDUSTRIAL 2 - 5.5V 2.97V - - 3mA SERIAL IO/COMMUNICATION CONTROLLER, SERIAL 64MHz - 4 Mbps 3 NO NO - 8 - 2 - - 0.5 MBps ASYNC, BIT NRZ - - 7mm 7mm No - RoHS Compliant Lead Free
                              XR16C2550IM-F
                              XR16C2550IM-F

                              3417-511-XR16C2550IM-F Exar Corporation
                              RoHS :
                              Package : -
                              In Stock : 128
                              1 : -
                              Exar Corporation XR17V352IB113-F
                              Mfr. Part #
                              XR17V352IB113-F
                              Twicea Part #
                              3417-511-XR17V352IB113-F                               		Exar Corporation
                              UART IC
                              Datasheet Compare
                              1300 In Stock
                                Min.:1
                                Mult.:1
                                		 Surface Mount FBGA - 113 - - - - - - e1 - 4 (72 Hours) 113 - - Tin/Silver/Copper (Sn/Ag/Cu) 85°C -40°C - - BOTTOM BALL - 1.2V 0.8mm - 113 - 3.3V - - INDUSTRIAL 2 - 3.6V 3V - - 70mA SERIAL IO/COMMUNICATION CONTROLLER, SERIAL - - 25 Mbps - NO YES - - - 2 PCI - - ASYNC, BIT NRZ 1.15mm - 9.1mm 9.1mm No - RoHS Compliant Lead Free
                                XR17V352IB113-F
                                XR17V352IB113-F

                                3417-511-XR17V352IB113-F Exar Corporation
                                RoHS :
                                Package : -
                                In Stock : 1300
                                1 : -
                                Exar Corporation ST16C450CJ44-F
                                Mfr. Part #
                                ST16C450CJ44-F
                                Twicea Part #
                                3417-511-ST16C450CJ44-F                                 		Exar Corporation
                                IC UART SINGLE 44PLCC
                                Datasheet Compare
                                1060 In Stock
                                  Min.:1
                                  Mult.:1
                                  		 Surface Mount PLCC - 44 - - - - - - e3 yes - 44 - - Matte Tin (Sn) 70°C 0°C - - QUAD J BEND 260 5V - 40 44 - - - 3.3/5V COMMERCIAL 1 - 5.5V 2.97V - - 3mA SERIAL IO/COMMUNICATION CONTROLLER, SERIAL 24MHz - 1.5 Mbps - NO NO - - - 1 - - - ASYNC, BIT NRZ 4.57mm - 16.66mm 16.66mm No - RoHS Compliant Lead Free
                                  ST16C450CJ44-F
                                  ST16C450CJ44-F

                                  3417-511-ST16C450CJ44-F Exar Corporation
                                  RoHS :
                                  Package : -
                                  In Stock : 1060
                                  1 : -
                                  Exar Corporation ST16C2550IQ48-F
                                  Mfr. Part #
                                  ST16C2550IQ48-F
                                  Twicea Part #
                                  3417-511-ST16C2550IQ48-F                                   		Exar Corporation
                                  EXAR ST16C2550IQ48-F UART Interface
                                  Datasheet Compare
                                  500 In Stock
                                    Min.:1
                                    Mult.:1
                                    		 Surface Mount TQFP - 48 9.071791g - - - - - e3 yes 3 (168 Hours) 48 SMD/SMT 5A991.B Matte Tin (Sn) 85°C -40°C ALSO OPERATES AT 3.3V SUPPLY - QUAD GULL WING 260 5V 0.5mm 40 48 - - - 3.3/5V INDUSTRIAL 2 UART 5.5V 2.97V 16B 3mA 3mA SERIAL IO/COMMUNICATION CONTROLLER, SERIAL 64MHz - 4 Mbps - NO NO - - 0 2 - 85°C 0.5 MBps ASYNC, BIT NRZ 1.2mm - 7.1mm 7.1mm No Unknown RoHS Compliant Lead Free
                                    ST16C2550IQ48-F
                                    ST16C2550IQ48-F

                                    3417-511-ST16C2550IQ48-F Exar Corporation
                                    RoHS :
                                    Package : -
                                    In Stock : 500
                                    1 : -
                                    Exar Corporation ST16C452CJ68TR-F
                                    Mfr. Part #
                                    ST16C452CJ68TR-F
                                    Twicea Part #
                                    3417-511-ST16C452CJ68TR-F                                     		Exar Corporation
                                    UART 2-CH 3.3V/5V 68-Pin PLCC T/R
                                    Datasheet Compare
                                    5101 In Stock
                                      Min.:1
                                      Mult.:1
                                      		 Surface Mount PLCC - 68 - - - - - Tape and Reel e3 - 3 (168 Hours) 68 - EAR99 Matte Tin (Sn) 70°C 0°C - - QUAD J BEND - 3.3V - - - - 5V - - COMMERCIAL 2 - 5.5V 2.97V - - 5mA SERIAL IO/COMMUNICATION CONTROLLER, SERIAL - - 1.5 Mbps 3 NO YES - 8 - 2 - - 0.1875 MBps ASYNC, BIT; UART - - 5.08mm - - No - RoHS Compliant Lead Free
                                      ST16C452CJ68TR-F
                                      ST16C452CJ68TR-F

                                      3417-511-ST16C452CJ68TR-F Exar Corporation
                                      RoHS :
                                      Package : -
                                      In Stock : 5101
                                      1 : -
                                      Exar Corporation ST16C654DCQ64-F
                                      Mfr. Part #
                                      ST16C654DCQ64-F
                                      Twicea Part #
                                      3417-511-ST16C654DCQ64-F                                       		Exar Corporation
                                      IC UART FIFO 64B QUAD 64LQFP
                                      Datasheet Compare
                                        Min.:1
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                                        		 Surface Mount LQFP - 64 342.689036mg - - - - - e3 yes 3 (168 Hours) 64 - EAR99 Matte Tin (Sn) 70°C 0°C - - QUAD GULL WING 260 5V 0.5mm 40 64 - - - 3.3/5V COMMERCIAL 4 - 5.5V 2.97V - 6mA 6mA SERIAL IO/COMMUNICATION CONTROLLER, SERIAL - - 1.5 Mbps - NO YES - - - 4 - - 0.1875 MBps ASYNC, BIT NRZ 1.45mm - 10.1mm 10.1mm No Unknown RoHS Compliant Lead Free
                                        ST16C654DCQ64-F
                                        ST16C654DCQ64-F

                                        3417-511-ST16C654DCQ64-F Exar Corporation
                                        RoHS :
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                                        In Stock : -
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                                        Exar Corporation XR17D158CV-F
                                        Mfr. Part #
                                        XR17D158CV-F
                                        Twicea Part #
                                        3417-511-XR17D158CV-F                                         		Exar Corporation
                                        UART
                                        Datasheet Compare
                                          Min.:1
                                          Mult.:1
                                          		 Surface Mount LQFP - 144 - - - - - - e3 yes - 144 SMD/SMT - MATTE TIN 70°C 0°C ALSO REQUIRES 3.3V SUPPLY - QUAD GULL WING - 5V 0.5mm - 144 - 5V - - COMMERCIAL 8 - 5.5V 4.5V - - 5mA SERIAL IO/COMMUNICATION CONTROLLER, SERIAL 50MHz - 6.25 Mbps - NO YES - - - 8 PCI - - ASYNC, BIT NRZ 1.45mm - 20.1mm 20.1mm No Unknown RoHS Compliant Lead Free
                                          XR17D158CV-F
                                          XR17D158CV-F

                                          3417-511-XR17D158CV-F Exar Corporation
                                          RoHS :
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                                          In Stock : -
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                                          Integrated Circuits (ICs)

                                          Interface - UARTs (Universal Asynchronous Receiver Transmitter) definition: A universal asynchronous receiver-transmitter (UART) is a computer hardware device for asynchronous serial communication in which the data f... Interface - UARTs (Universal Asynchronous Receiver Transmitter) Product Listing: XR16L784IV-F,XR16V554IV80-F,XR17D152IM-F,ST16C554DIJ68-F,ST16C550IJ44-F.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 - UARTs (Universal Asynchronous Receiver Transmitter) has 556 pieces of spot stock price information, you can click the "RFQ" button to confirm the inventory and price with the Twicea.