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
FST3384QSCX Fairchild Semiconductor

FST3384QSCX

IC BUS SWITCH 5 X 1:1 24QSOP

Fairchild Semiconductor

112,394
RFQ
FST3384QSCX Datasheet

Datasheet

- 24-SSOP (0.154", 3.90mm Width) Bulk Obsolete Bus Switch 5 x 1:1 2 - Single Supply 4V ~ 5.5V -40°C ~ 85°C - - Surface Mount 24-QSOP
N74F257AD,623 NXP USA Inc.

N74F257AD,623

IC MULTIPLEXER 4 X 2:1 16SO

NXP USA Inc.

3,746
RFQ
N74F257AD,623 Datasheet

Datasheet

74F 16-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Multiplexer 4 x 2:1 1 3mA, 24mA Single Supply 4.5V ~ 5.5V 0°C ~ 70°C - - Surface Mount 16-SO
QS3257S1G IDT, Integrated Device Technology Inc

QS3257S1G

IC MUX/DEMUX 4 X 2:1 16SOIC

IDT, Integrated Device Technology Inc

13,315
RFQ
QS3257S1G Datasheet

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Bulk Active Multiplexer/Demultiplexer 4 x 2:1 1 - Single Supply 4.75V ~ 5.25V -40°C ~ 85°C - - Surface Mount 16-SOIC
SN74HCT138D Texas Instruments

SN74HCT138D

IC DECODER/DEMUX 1X3:8 16SOIC

Texas Instruments

1,596
RFQ
SN74HCT138D Datasheet

Datasheet

74HCT 16-SOIC (0.154", 3.90mm Width) Bulk Obsolete Decoder/Demultiplexer 1 x 3:8 1 4mA, 4mA Single Supply 4.5V ~ 5.5V -40°C ~ 85°C - - Surface Mount 16-SOIC
SN74HCT139D Texas Instruments

SN74HCT139D

IC DECODER/DEMUX 1X2:4 16SOIC

Texas Instruments

3,742
RFQ
SN74HCT139D Datasheet

Datasheet

74HCT 16-SOIC (0.154", 3.90mm Width) Bulk Obsolete Decoder/Demultiplexer 1 x 2:4 2 4mA, 4mA Single Supply 4.5V ~ 5.5V -40°C ~ 85°C - - Surface Mount 16-SOIC
74VHC138SJX Fairchild Semiconductor

74VHC138SJX

IC DECODER/DEMUX 1X3:8 16SOP

Fairchild Semiconductor

9,839
RFQ
74VHC138SJX Datasheet

Datasheet

74VHC 16-SOIC (0.209", 5.30mm Width) Bulk Active Decoder/Demultiplexer 1 x 3:8 1 8mA, 8mA Single Supply 2V ~ 5.5V -40°C ~ 85°C (TA) - - Surface Mount 16-SOP
FSTU3384QSC Fairchild Semiconductor

FSTU3384QSC

BUS DRIVER

Fairchild Semiconductor

9,098
RFQ
FSTU3384QSC Datasheet

Datasheet

- 24-SSOP (0.154", 3.90mm Width) Bulk Active Bus Switch 5 x 1:1 2 - Single Supply 4V ~ 5.5V -40°C ~ 85°C - - Surface Mount 24-QSOP
FSTU3257QSC Fairchild Semiconductor

FSTU3257QSC

MUX AND DEMUX/DECODER

Fairchild Semiconductor

7,896
RFQ
FSTU3257QSC Datasheet

Datasheet

- 16-LSSOP (0.154", 3.90mm Width) Bulk Active Multiplexer/Demultiplexer 4 x 2:1 1 - Single Supply 4V ~ 5.5V -40°C ~ 85°C - - Surface Mount 16-QSOP
FST6800QSCX Fairchild Semiconductor

FST6800QSCX

IC BUS SWITCH 10 X 1:1 24QSOP

Fairchild Semiconductor

5,000
RFQ
FST6800QSCX Datasheet

Datasheet

- 24-SSOP (0.154", 3.90mm Width) Bulk Obsolete Bus Switch 10 x 1:1 1 - Single Supply 4V ~ 5.5V -40°C ~ 85°C - - Surface Mount 24-QSOP
CD74ACT157M Harris Corporation

CD74ACT157M

IC MULTIPLEXER 4 X 2:1 16SOIC

Harris Corporation

4,943
RFQ
CD74ACT157M Datasheet

Datasheet

74ACT 16-SOIC (0.154", 3.90mm Width) Tube Obsolete Multiplexer 4 x 2:1 1 24mA, 24mA Single Supply 4.5V ~ 5.5V -55°C ~ 125°C - - Surface Mount 16-SOIC
CD74ACT257M Harris Corporation

CD74ACT257M

IC MULTIPLEXER 4 X 2:1 16SOIC

Harris Corporation

3,150
RFQ
CD74ACT257M Datasheet

Datasheet

74ACT 16-SOIC (0.154", 3.90mm Width) Tube Obsolete Multiplexer 4 x 2:1 1 75mA, 75mA Single Supply 4.5V ~ 5.5V -55°C ~ 125°C - - Surface Mount 16-SOIC
SN74S139AN3 Texas Instruments

SN74S139AN3

IC DECODER/DRIVER S SERIES TTL

Texas Instruments

2,440
RFQ
SN74S139AN3 Datasheet

Datasheet

* - Bulk Active - - - - - - - - - - -
CD74FCT257ATNM Harris Corporation

CD74FCT257ATNM

FAST CMOS QUAD 2-INPUT MUXS

Harris Corporation

2,408
RFQ
CD74FCT257ATNM Datasheet

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Bulk Active Multiplexer 4 x 2:1 1 15mA, 48mA Single Supply 4.75V ~ 5.25V -40°C ~ 85°C - - Surface Mount 16-SOIC
MM74HCT257M National Semiconductor

MM74HCT257M

MUX, 4-FUNC, 2 LINE INPUT

National Semiconductor

1,659
RFQ
MM74HCT257M Datasheet

Datasheet

74HCT 16-SOIC (0.154", 3.90mm Width) Bulk Active Multiplexer 4 x 2:1 1 6mA, 6mA Single Supply 4.5V ~ 5.5V -55°C ~ 125°C - - Surface Mount 16-SOIC
SN74155N3 Texas Instruments

SN74155N3

IC DECODER/DRIVER

Texas Instruments

1,456
RFQ
SN74155N3 Datasheet

Datasheet

* - Bulk Active - - - - - - - - - - -
SN74LS145D Texas Instruments

SN74LS145D

IC DECODER 1 X 4:10 16SOIC

Texas Instruments

4,922
RFQ
SN74LS145D Datasheet

Datasheet

74LS 16-SOIC (0.154", 3.90mm Width) Bulk Obsolete Decoder 1 x 4:10 1 -, 80mA Single Supply 4.75V ~ 5.25V 0°C ~ 70°C - - Surface Mount 16-SOIC
CD74HCT251M Harris Corporation

CD74HCT251M

IC MULTIPLEXER 1 X 8:1 16SOIC

Harris Corporation

12,660
RFQ
CD74HCT251M Datasheet

Datasheet

74HCT 16-SOIC (0.154", 3.90mm Width) Tube Obsolete Multiplexer 1 x 8:1 1 4mA, 4mA Single Supply 4.5V ~ 5.5V -55°C ~ 125°C - - Surface Mount 16-SOIC
SN74CBT6845CRGYR Texas Instruments

SN74CBT6845CRGYR

IC BUS SWITCH 8 X 1:1 20VQFN

Texas Instruments

4,384
RFQ
SN74CBT6845CRGYR Datasheet

Datasheet

74CBT 20-VFQFN Exposed Pad Tape & Reel (TR) Active Bus Switch 8 x 1:1 1 - Single Supply 4.5V ~ 5.5V -40°C ~ 85°C - - Surface Mount 20-VQFN (3.5x4.5)
CD74HC237M Harris Corporation

CD74HC237M

IC DECODER/DEMUX 1X3:8 16SOIC

Harris Corporation

10,029
RFQ
CD74HC237M Datasheet

Datasheet

74HC 16-SOIC (0.154", 3.90mm Width) Tube Obsolete Decoder/Demultiplexer 1 x 3:8 1 5.2mA, 5.2mA Single Supply 2V ~ 6V -55°C ~ 125°C - - Surface Mount 16-SOIC
CD74HC151M Harris Corporation

CD74HC151M

IC MULTIPLEXER 1 X 8:1 16SOIC

Harris Corporation

8,837
RFQ
CD74HC151M Datasheet

Datasheet

74HC 16-SOIC (0.154", 3.90mm Width) Tube Obsolete Multiplexer 1 x 8:1 1 5.2mA, 5.2mA Single Supply 2V ~ 6V -55°C ~ 125°C - - Surface Mount 16-SOIC
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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.