Signal Switches, Multiplexers, Decoders

Manufacturer Series Package/Case Packaging Product Status Type Circuit Independent Circuits Current - Output High, Low Voltage Supply Source Voltage - Supply Operating Temperature Grade Qualification Mounting Type Supplier Device Package

























































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































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Photo Mfr. Part # Availability Price Quantity Datasheet Series Package/Case Packaging Product Status Type Circuit Independent Circuits Current - Output High, Low Voltage Supply Source Voltage - Supply Operating Temperature Grade Qualification Mounting Type Supplier Device Package
SN74CBT3253RGYR Texas Instruments

SN74CBT3253RGYR

IC MUX/DEMUX 2 X 4:1 16VQFN

Texas Instruments

1,559
RFQ
SN74CBT3253RGYR Datasheet

Datasheet

74CBT 16-VFQFN Exposed Pad Tape & Reel (TR) Obsolete Multiplexer/Demultiplexer 2 x 4:1 1 - Single Supply 4.5V ~ 5.5V -40°C ~ 85°C - - Surface Mount 16-VQFN (4x3.5)
M74HC251B1R STMicroelectronics

M74HC251B1R

IC MULTIPLEXER 1 X 8:1 16DIP

STMicroelectronics

1,764
RFQ
M74HC251B1R Datasheet

Datasheet

74HC 16-DIP (0.300", 7.62mm) Tube Obsolete Multiplexer 1 x 8:1 1 5.2mA, 5.2mA Single Supply 2V ~ 6V -55°C ~ 125°C - - Through Hole 16-DIP
74LS670PC National Semiconductor

74LS670PC

IC REGISTER FILE 1 x 1:1

National Semiconductor

1,500
RFQ
74LS670PC Datasheet

Datasheet

74LS - Bulk Active Register File 1 x 1:1 4 2.6mA, 8mA Single Supply 4.75V ~ 5.25V 0°C ~ 70°C (TA) - - - -
M74HC251TTR STMicroelectronics

M74HC251TTR

IC MULTIPLEXER 1 X 8:1 16TSSOP

STMicroelectronics

1,274
RFQ
M74HC251TTR Datasheet

Datasheet

74HC 16-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Obsolete Multiplexer 1 x 8:1 1 5.2mA, 5.2mA Single Supply 2V ~ 6V -55°C ~ 125°C - - Surface Mount 16-TSSOP
74HCT157DR2G onsemi

74HCT157DR2G

IC MULTIPLEXER 4 X 2:1 16SOIC

onsemi

4,554
RFQ
74HCT157DR2G Datasheet

Datasheet

74HCT 16-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Multiplexer 4 x 2:1 1 4mA, 4mA Single Supply 4.5V ~ 5.5V -55°C ~ 125°C - - Surface Mount 16-SOIC
SN74LVC139AZQNR Texas Instruments

SN74LVC139AZQNR

IC DECODER/DEMUX 1X2:4 20BGA

Texas Instruments

1,095
RFQ
SN74LVC139AZQNR Datasheet

Datasheet

74LVC 20-VFBGA Tape & Reel (TR) Obsolete Decoder/Demultiplexer 1 x 2:4 2 24mA, 24mA Single Supply 1.65V ~ 3.6V -40°C ~ 85°C - - Surface Mount 20-BGA MICROSTAR JUNIOR (4x3)
SN74LS258BD onsemi

SN74LS258BD

IC MULTIPLEXER 4 X 2:1 16SOIC

onsemi

28,044
RFQ
SN74LS258BD Datasheet

Datasheet

74LS 16-SOIC (0.154", 3.90mm Width) Tube Obsolete Multiplexer 4 x 2:1 1 2.6mA, 24mA Single Supply 4.75V ~ 5.25V 0°C ~ 70°C - - Surface Mount 16-SOIC
SN74LS139AD Texas Instruments

SN74LS139AD

IC DECODER/DEMUX 1X2:4 16SOIC

Texas Instruments

3,200
RFQ
SN74LS139AD Datasheet

Datasheet

74LS 16-SOIC (0.154", 3.90mm Width) Bulk Obsolete Decoder/Demultiplexer 1 x 2:4 2 400µA, 8mA Single Supply 4.75V ~ 5.25V 0°C ~ 70°C - - Surface Mount 16-SOIC
FST34X245QSPX Fairchild Semiconductor

FST34X245QSPX

IC BUS SWITCH 8 X 1:1 80QVSOP

Fairchild Semiconductor

4,000
RFQ
FST34X245QSPX Datasheet

Datasheet

- 80-FSOP (0.154", 3.90mm Width) Bulk Obsolete Bus Switch 8 x 1:1 4 - Single Supply 4V ~ 5.5V -40°C ~ 85°C - - Surface Mount 80-QVSOP
SN74CBTD3384DBR Texas Instruments

SN74CBTD3384DBR

IC BUS SWITCH 5 X 1:1 24SSOP

Texas Instruments

1,990
RFQ
SN74CBTD3384DBR Datasheet

Datasheet

74CBTD 24-SSOP (0.209", 5.30mm Width) Tape & Reel (TR) Active Bus Switch 5 x 1:1 2 - Single Supply 4.5V ~ 5.5V -40°C ~ 85°C - - Surface Mount 24-SSOP
7SB384DFT2G onsemi

7SB384DFT2G

IC BUS SWITCH 1 X 1:1 SC88A

onsemi

2,990
RFQ

-

- 5-TSSOP, SC-70-5, SOT-353 Tape & Reel (TR) Obsolete Bus Switch 1 x 1:1 1 - Single Supply 4V ~ 5.5V -55°C ~ 125°C - - Surface Mount SC-88A (SC-70-5/SOT-353)
SN74CBTD3384DGVR Texas Instruments

SN74CBTD3384DGVR

IC BUS SWITCH 5 X 1:1 24TVSOP

Texas Instruments

1,470
RFQ
SN74CBTD3384DGVR Datasheet

Datasheet

74CBTD 24-TFSOP (0.173", 4.40mm Width) Tape & Reel (TR) Obsolete Bus Switch 5 x 1:1 2 - Single Supply 4.5V ~ 5.5V -40°C ~ 85°C - - Surface Mount 24-TVSOP
74FST6800QG IDT, Integrated Device Technology Inc

74FST6800QG

IC BUS SWITCH 10 X 1:1 24QSOP

IDT, Integrated Device Technology Inc

1,150
RFQ
74FST6800QG Datasheet

Datasheet

74FST 24-SSOP (0.154", 3.90mm Width) Bulk Active Bus Switch 10 x 1:1 1 - Single Supply - -40°C ~ 85°C - - Surface Mount 24-QSOP
SN74CBT3257DR Texas Instruments

SN74CBT3257DR

IC MUX/DEMUX 4 X 2:1 16SOIC

Texas Instruments

2,129
RFQ
SN74CBT3257DR Datasheet

Datasheet

74CBT 16-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Multiplexer/Demultiplexer 4 x 2:1 1 - Single Supply 4.5V ~ 5.5V -40°C ~ 85°C - - Surface Mount 16-SOIC
NC7SZ66L6X onsemi

NC7SZ66L6X

IC BUS SWITCH 1 X 1:1 6MICROPAK

onsemi

96,000
RFQ

-

7SZ 6-UFDFN Tape & Reel (TR) Obsolete Bus Switch 1 x 1:1 1 - Single Supply 1.65V ~ 5.5V -40°C ~ 85°C - - Surface Mount 6-MicroPak
SN74CBT3257DBQR Texas Instruments

SN74CBT3257DBQR

IC MUX/DEMUX 4 X 2:1 16SSOP

Texas Instruments

4,323
RFQ
SN74CBT3257DBQR Datasheet

Datasheet

74CBT 16-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Multiplexer/Demultiplexer 4 x 2:1 1 - Single Supply 4.5V ~ 5.5V -40°C ~ 85°C - - Surface Mount 16-SSOP
SN74CBTK6800DGVR Texas Instruments

SN74CBTK6800DGVR

IC BUS SWITCH 10 X 1:1 24TVSOP

Texas Instruments

10,000
RFQ
SN74CBTK6800DGVR Datasheet

Datasheet

74CBTK 24-TFSOP (0.173", 4.40mm Width) Bulk Discontinued at Digi-Key Bus Switch 10 x 1:1 1 - Single Supply 4.5V ~ 5.5V -40°C ~ 85°C - - Surface Mount 24-TVSOP
SN74CBT3257DBR Texas Instruments

SN74CBT3257DBR

IC MUX/DEMUX 4 X 2:1 16SSOP

Texas Instruments

203
RFQ
SN74CBT3257DBR Datasheet

Datasheet

74CBT 16-SSOP (0.209", 5.30mm Width) Tape & Reel (TR) Obsolete Multiplexer/Demultiplexer 4 x 2:1 1 - Single Supply 4.5V ~ 5.5V -40°C ~ 85°C - - Surface Mount 16-SSOP
SN74CBTK6800DWR Texas Instruments

SN74CBTK6800DWR

IC BUS SWITCH 10 X 1:1 24SOIC

Texas Instruments

4,000
RFQ
SN74CBTK6800DWR Datasheet

Datasheet

74CBTK 24-SOIC (0.295", 7.50mm Width) Bulk Obsolete Bus Switch 10 x 1:1 1 - Single Supply 4.5V ~ 5.5V -40°C ~ 85°C - - Surface Mount 24-SOIC
SN74CBT3257PWR Texas Instruments

SN74CBT3257PWR

IC MUX/DEMUX 4 X 2:1 16TSSOP

Texas Instruments

2,810
RFQ
SN74CBT3257PWR Datasheet

Datasheet

74CBT 16-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Obsolete Multiplexer/Demultiplexer 4 x 2:1 1 - Single Supply 4.5V ~ 5.5V -40°C ~ 85°C - - Surface Mount 16-TSSOP
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Signal Switches, Multiplexers, Decoders Electronic Components Sourcing and Lifecycle Support

FPGAX is a global sourcing partner specializing in FPGA and programmable logic solutions for engineering and manufacturing organizations worldwide. For customers sourcing Signal Switches, Multiplexers, Decoders components, we support both current production requirements and long-term component availability across demanding product lifecycles.

Our sourcing approach combines traceability, supply stability, and technical coordination. FPGAX is certified to AS9120B, ISO 9001:2008, and ISO 14001 standards and supports procurement programs where continuity, documentation, and dependable component supply are important.

How FPGAX Supports Signal Switches, Multiplexers, Decoders Requirements

  • Active component sourcing: support for current FPGA, programmable logic, and related semiconductor requirements.
  • End-of-life sourcing: assistance with obsolete and hard-to-find parts when designs must remain in production.
  • Lifecycle management: sourcing support during product transitions, allocation periods, and supply interruptions.
  • Design continuity: long-term supply support intended to reduce redesign pressure and production disruption.
  • Major programmable logic brands: sourcing coverage includes Xilinx, Intel/Altera, Lattice, Microchip, and QuickLogic.

Supply Support at a Glance

Requirement FPGAX Support
Current production Active FPGA, programmable logic, and semiconductor component sourcing
Legacy programs End-of-life and hard-to-find component sourcing
Supply continuity Lifecycle transition and long-term availability support
Quality requirements Traceable sourcing and quality-management processes

Focused on FPGA and Programmable Logic Supply

FPGAX focuses on helping customers maintain access to critical programmable devices throughout the full component lifecycle. Whether the requirement is for a current design, an established production program, or an older platform facing component obsolescence, our goal is to provide a stable sourcing path and help customers maintain design and manufacturing continuity.

Signal Switches, Multiplexers, Decoders FAQ

Can FPGAX source both active and end-of-life Signal Switches, Multiplexers, Decoders components?

Yes. FPGAX supports sourcing for both active components and end-of-life or hard-to-find parts, with an emphasis on maintaining supply continuity for engineering and manufacturing programs.

Which programmable logic manufacturers does FPGAX support?

Our core sourcing coverage includes major FPGA and programmable logic manufacturers such as Xilinx, Intel/Altera, Lattice, Microchip, and QuickLogic, subject to specific part requirements and availability.

How does FPGAX help with component lifecycle changes?

We support customers through lifecycle transitions by helping locate current or legacy supply, reducing exposure to supply disruptions, and supporting long-term availability for designs that need to remain in production.

What quality and traceability standards does FPGAX follow?

FPGAX states certification to AS9120B, ISO 9001:2008, and ISO 14001 standards. Our sourcing services are structured around traceability, stable supply, and quality-management requirements.

What information should I provide for a Signal Switches, Multiplexers, Decoders sourcing request?

Providing the manufacturer part number, required quantity, target delivery schedule, and any lifecycle or traceability requirements helps us evaluate the sourcing request more efficiently.