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
FSTU3125MX Fairchild Semiconductor

FSTU3125MX

BUS DRIVER

Fairchild Semiconductor

5,000
RFQ
FSTU3125MX Datasheet

Datasheet

- 14-SOIC (0.154", 3.90mm Width) Bulk Active Bus Switch 1 x 1:1 4 - Single Supply 4V ~ 5.5V -40°C ~ 85°C - - Surface Mount 14-SOIC
DM74S139N Fairchild Semiconductor

DM74S139N

IC DECODER/DEMUX 1X2:4 16DIP

Fairchild Semiconductor

4,805
RFQ
DM74S139N Datasheet

Datasheet

74S 16-DIP (0.300", 7.62mm) Tube Obsolete Decoder/Demultiplexer 1 x 2:4 2 1mA, 20mA Single Supply 4.75V ~ 5.25V 0°C ~ 70°C - - Through Hole 16-PDIP
MM74HC153MX National Semiconductor

MM74HC153MX

MUX, HC/UH SERIES, 4 LINE INPUT

National Semiconductor

2,922
RFQ
MM74HC153MX Datasheet

Datasheet

74HC - Bulk Active Multiplexer 2 x 4:1 1 5.2mA, 5.2mA Single Supply 2V ~ 6V -55°C ~ 125°C - - - -
FSTU16862MTDX Fairchild Semiconductor

FSTU16862MTDX

IC BUS SWITCH 5 X 1:1 48TSSOP

Fairchild Semiconductor

2,657
RFQ
FSTU16862MTDX Datasheet

Datasheet

- 48-TFSOP (0.240", 6.10mm Width) Bulk Obsolete Bus Switch 5 x 1:1 4 - Single Supply 4V ~ 5.5V -40°C ~ 85°C - - Surface Mount 48-TSSOP
FSTU3253MTC Fairchild Semiconductor

FSTU3253MTC

MUX AND DEMUX/DECODER

Fairchild Semiconductor

2,350
RFQ
FSTU3253MTC Datasheet

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Bulk Active Multiplexer/Demultiplexer 2 x 4:1 1 - Single Supply 4V ~ 5.5V -40°C ~ 85°C - - Surface Mount 16-TSSOP
CD74ACT138E Harris Corporation

CD74ACT138E

IC DECODER/DEMUX 1X3:8 16DIP

Harris Corporation

1,945
RFQ
CD74ACT138E Datasheet

Datasheet

74ACT 16-DIP (0.300", 7.62mm) Tube Obsolete Decoder/Demultiplexer 1 x 3:8 1 24mA, 24mA Single Supply 4.5V ~ 5.5V -55°C ~ 125°C - - Through Hole 16-PDIP
SN74ACT11138N Texas Instruments

SN74ACT11138N

3-LINE TO 8-LINE DECODERS/DEMULT

Texas Instruments

1,758
RFQ
SN74ACT11138N Datasheet

Datasheet

* - Bulk Active - - - - - - - - - - -
MM74HC253M National Semiconductor

MM74HC253M

MUX, HC/UH SERIES, 4 LINE INPUT

National Semiconductor

1,529
RFQ
MM74HC253M Datasheet

Datasheet

74HC 16-SOIC (0.154", 3.90mm Width) Bulk Active Multiplexer 2 x 4:1 1 7.8mA, 7.8mA Single Supply 2V ~ 6V -55°C ~ 125°C - - Surface Mount 16-SOIC
DM74ALS251N Fairchild Semiconductor

DM74ALS251N

IC MULTIPLEXER 1 X 8:1 16DIP

Fairchild Semiconductor

1,325
RFQ
DM74ALS251N Datasheet

Datasheet

74ALS 16-DIP (0.300", 7.62mm) Tube Obsolete Multiplexer 1 x 8:1 1 2.6mA, 24mA Single Supply 4.5V ~ 5.5V 0°C ~ 70°C - - Through Hole 16-PDIP
SN74AUC1G19DRLR Texas Instruments

SN74AUC1G19DRLR

IC DECODER/DEMUX 1 X 1:2 6SOT

Texas Instruments

2,770
RFQ
SN74AUC1G19DRLR Datasheet

Datasheet

74AUC SOT-563, SOT-666 Tape & Reel (TR) Active Decoder/Demultiplexer 1 x 1:2 1 9mA, 9mA Single Supply 0.8V ~ 2.7V -40°C ~ 85°C - - Surface Mount SOT-5X3
74VHCT138AMTC onsemi

74VHCT138AMTC

IC DECODER/DEMUX 1X3:8 16TSSOP

onsemi

3,266
RFQ
74VHCT138AMTC Datasheet

Datasheet

74VHCT 16-TSSOP (0.173", 4.40mm Width) Bulk Obsolete Decoder/Demultiplexer 1 x 3:8 1 8mA, 8mA Single Supply 4.5V ~ 5.5V -40°C ~ 85°C - - Surface Mount 16-TSSOP
SN74LS253NSR Texas Instruments

SN74LS253NSR

IC MULTIPLEXER 2 X 4:1 16SO

Texas Instruments

3,018
RFQ
SN74LS253NSR Datasheet

Datasheet

74LS 16-SOIC (0.209", 5.30mm Width) Tape & Reel (TR) Discontinued at Digi-Key Multiplexer 2 x 4:1 1 2.6mA, 8mA Single Supply 4.75V ~ 5.25V 0°C ~ 70°C - - Surface Mount 16-SO
FSTU32X384QSPX Fairchild Semiconductor

FSTU32X384QSPX

IC BUS SWITCH 5 X 1:1 48QVSOP

Fairchild Semiconductor

15,095
RFQ
FSTU32X384QSPX Datasheet

Datasheet

- 48-FSOP (0.154", 3.90mm Width) Bulk Obsolete Bus Switch 5 x 1:1 4 - Single Supply 4V ~ 5.5V -40°C ~ 85°C - - Surface Mount 48-QVSOP
SN74S158N Texas Instruments

SN74S158N

MUX, S SERIES, 2 LINE INPUT TTL

Texas Instruments

13,672
RFQ
SN74S158N Datasheet

Datasheet

* - Bulk Active - - - - - - - - - - -
74ACT399SCX Fairchild Semiconductor

74ACT399SCX

IC MULTIPLEXER 4 X 2:1 16SOIC

Fairchild Semiconductor

7,290
RFQ
74ACT399SCX Datasheet

Datasheet

74ACT 16-SOIC (0.154", 3.90mm Width) Bulk Obsolete Multiplexer 4 x 2:1 1 24mA, 24mA Single Supply 4.5V ~ 5.5V -40°C ~ 85°C - - Surface Mount 16-SOIC
HEF4028BP,652 NXP USA Inc.

HEF4028BP,652

IC DECODER 1 X 4:10 16DIP

NXP USA Inc.

4,295
RFQ
HEF4028BP,652 Datasheet

Datasheet

4000B 16-DIP (0.300", 7.62mm) Tube Obsolete Decoder 1 x 4:10 1 - Dual Supply 4.5V ~ 15.5V - - - Through Hole 16-DIP
74F257ASJ Fairchild Semiconductor

74F257ASJ

IC MULTIPLEXER 4 X 2:1 16SOP

Fairchild Semiconductor

5,100
RFQ
74F257ASJ Datasheet

Datasheet

74F 16-SOIC (0.209", 5.30mm Width) Tube Obsolete Multiplexer 4 x 2:1 1 3mA, 24mA Single Supply 4.5V ~ 5.5V 0°C ~ 70°C - - Surface Mount 16-SOP
CY74FCT157CTDR Texas Instruments

CY74FCT157CTDR

IC MULTIPLEXER 4 X 2:1 16SOIC

Texas Instruments

3,419
RFQ
CY74FCT157CTDR Datasheet

Datasheet

74FCT 16-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Discontinued at Digi-Key Multiplexer 4 x 2:1 1 32mA, 64mA Single Supply 4.75V ~ 5.25V -40°C ~ 85°C - - Surface Mount 16-SOIC
74F257ASJX Fairchild Semiconductor

74F257ASJX

IC MULTIPLEXER 4 X 2:1 16SOP

Fairchild Semiconductor

4,000
RFQ
74F257ASJX Datasheet

Datasheet

74F 16-SOIC (0.209", 5.30mm Width) Bulk Obsolete Multiplexer 4 x 2:1 1 3mA, 24mA Single Supply 4.5V ~ 5.5V 0°C ~ 70°C - - Surface Mount 16-SOP
74F258ASJ Fairchild Semiconductor

74F258ASJ

MUX, F/FAST SERIES

Fairchild Semiconductor

2,021
RFQ
74F258ASJ Datasheet

Datasheet

74F 16-SOIC (0.209", 5.30mm Width) Bulk Active Multiplexer 4 x 2:1 1 3mA, 24mA Single Supply 4.5V ~ 5.5V 0°C ~ 70°C - - Surface Mount 16-SOP
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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.