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
74AC399PC Fairchild Semiconductor

74AC399PC

IC MULTIPLEXER 4 X 2:1 16DIP

Fairchild Semiconductor

2,900
RFQ
74AC399PC Datasheet

Datasheet

74AC 16-DIP (0.300", 7.62mm) Tube Obsolete Multiplexer 4 x 2:1 1 24mA, 24mA Single Supply 2V ~ 6V -40°C ~ 85°C - - Through Hole 16-PDIP
NC7SP19P6X onsemi

NC7SP19P6X

IC DECODER/DEMUX 1 X 1:2 SC88

onsemi

1,574
RFQ
NC7SP19P6X Datasheet

Datasheet

7SP 6-TSSOP, SC-88, SOT-363 Tape & Reel (TR) Obsolete Decoder/Demultiplexer 1 x 1:2 1 2.6mA, 2.6mA Single Supply 0.9V ~ 3.6V -40°C ~ 85°C - - Surface Mount SC-88 (SC-70-6)
MC74F399M onsemi

MC74F399M

LOG TTL REGISTER

onsemi

1,563
RFQ

-

* - Bulk Active - - - - - - - - - - -
MC74LCX258DTG onsemi

MC74LCX258DTG

IC MULTIPLEXER 4 X 2:1 16TSSOP

onsemi

1,517
RFQ
MC74LCX258DTG Datasheet

Datasheet

74LCX 16-TSSOP (0.173", 4.40mm Width) Tube Active Multiplexer 4 x 2:1 1 8mA, 8mA Single Supply 2V ~ 3.6V -40°C ~ 85°C - - Surface Mount 16-TSSOP
SN74HC153D Texas Instruments

SN74HC153D

IC MULTIPLEXER 2 X 4:1 16SOIC

Texas Instruments

1,860
RFQ
SN74HC153D Datasheet

Datasheet

74HC 16-SOIC (0.154", 3.90mm Width) Bulk Obsolete Multiplexer 2 x 4:1 1 7.8mA, 7.8mA Single Supply 2V ~ 6V -40°C ~ 85°C - - Surface Mount 16-SOIC
74HCT251N,652 NXP USA Inc.

74HCT251N,652

IC MULTIPLEXER 1 X 8:1 16DIP

NXP USA Inc.

3,753
RFQ
74HCT251N,652 Datasheet

Datasheet

74HCT 16-DIP (0.300", 7.62mm) Tube Obsolete Multiplexer 1 x 8:1 1 4mA, 4mA Single Supply 4.5V ~ 5.5V -40°C ~ 125°C - - Through Hole 16-DIP
74HC251N,652 NXP USA Inc.

74HC251N,652

IC MULTIPLEXER 1 X 8:1 16DIP

NXP USA Inc.

4,182
RFQ
74HC251N,652 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 -40°C ~ 125°C - - Through Hole 16-DIP
SN74CBTD3306CPWRG4 Texas Instruments

SN74CBTD3306CPWRG4

IC BUS SWITCH 1 X 1:1 8TSSOP

Texas Instruments

4,654
RFQ
SN74CBTD3306CPWRG4 Datasheet

Datasheet

74CBTD 8-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Discontinued at Digi-Key Bus Switch 1 x 1:1 2 - Single Supply 4.5V ~ 5.5V -40°C ~ 85°C - - Surface Mount 8-TSSOP
CD74HC257M Harris Corporation

CD74HC257M

IC MULTIPLEXER 4 X 2:1 16SOIC

Harris Corporation

34,825
RFQ
CD74HC257M Datasheet

Datasheet

74HC 16-SOIC (0.154", 3.90mm Width) Tube Obsolete Multiplexer 4 x 2:1 1 7.8mA, 7.8mA Single Supply 2V ~ 6V -55°C ~ 125°C - - Surface Mount 16-SOIC
N74F138D,623 NXP USA Inc.

N74F138D,623

IC DECODER/DEMUX 1 X 3:8 16SO

NXP USA Inc.

1,724
RFQ
N74F138D,623 Datasheet

Datasheet

74F 16-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Decoder/Demultiplexer 1 x 3:8 1 1mA, 20mA Single Supply 4.5V ~ 5.5V 0°C ~ 70°C - - Surface Mount 16-SO
CY74FCT257CTQCT Texas Instruments

CY74FCT257CTQCT

IC MULTIPLEXER 4 X 2:1 16SSOP

Texas Instruments

1,659
RFQ
CY74FCT257CTQCT Datasheet

Datasheet

74FCT 16-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Multiplexer 4 x 2:1 1 32mA, 64mA Single Supply 4.75V ~ 5.25V -40°C ~ 85°C - - Surface Mount 16-SSOP
74HC137N,652 NXP USA Inc.

74HC137N,652

IC DECODER/DEMUX 1X3:8 16DIP

NXP USA Inc.

2,121
RFQ
74HC137N,652 Datasheet

Datasheet

74HC 16-DIP (0.300", 7.62mm) Tube Obsolete Decoder/Demultiplexer 1 x 3:8 1 5.2mA, 5.2mA Single Supply 2V ~ 6V -40°C ~ 125°C - - Through Hole 16-DIP
CY74FCT257CTQCT-CY Cypress Semiconductor Corp

CY74FCT257CTQCT-CY

MULTIPLEXER, FCT SERIES, 4 FUNC,

Cypress Semiconductor Corp

7,500
RFQ
CY74FCT257CTQCT-CY Datasheet

Datasheet

74FCT 16-SSOP (0.154", 3.90mm Width) Bulk Active Multiplexer 4 x 2:1 1 64mA, 32mA Single Supply 4.75V ~ 5.25V -40°C ~ 85°C - - Surface Mount 16-SSOP
74HCT253N,652 NXP USA Inc.

74HCT253N,652

IC MULTIPLEXER 2 X 4:1 16DIP

NXP USA Inc.

4,630
RFQ
74HCT253N,652 Datasheet

Datasheet

74HCT 16-DIP (0.300", 7.62mm) Tube Obsolete Multiplexer 2 x 4:1 1 6mA, 6mA Single Supply 4.5V ~ 5.5V -40°C ~ 125°C - - Through Hole 16-DIP
74HC257N,652 NXP USA Inc.

74HC257N,652

IC MULTIPLEXER 4 X 2:1 16DIP

NXP USA Inc.

3,789
RFQ
74HC257N,652 Datasheet

Datasheet

74HC 16-DIP (0.300", 7.62mm) Tube Obsolete Multiplexer 4 x 2:1 1 7.8mA, 7.8mA Single Supply 2V ~ 6V -40°C ~ 125°C - - Through Hole 16-DIP
CD74HC251M Harris Corporation

CD74HC251M

IC MULTIPLEXER 1 X 8:1 16SOIC

Harris Corporation

4,810
RFQ
CD74HC251M 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 (TA) - - Surface Mount 16-SOIC
SN74HC151DE4 Texas Instruments

SN74HC151DE4

IC MULTIPLEXER 1 X 8:1 16SOIC

Texas Instruments

4,052
RFQ
SN74HC151DE4 Datasheet

Datasheet

74HC 16-SOIC (0.154", 3.90mm Width) Bulk Obsolete Multiplexer 1 x 8:1 1 7.8mA, 7.8mA Single Supply 2V ~ 6V -40°C ~ 85°C - - Surface Mount 16-SOIC
74AHCT138S16-13 Diodes Incorporated

74AHCT138S16-13

IC DECODER/DEMUX 1 X 3:8 16SO

Diodes Incorporated

1,993
RFQ
74AHCT138S16-13 Datasheet

Datasheet

74AHCT 16-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Decoder/Demultiplexer 1 x 3:8 1 8mA, 8mA Single Supply 4.5V ~ 5.5V -40°C ~ 125°C - - Surface Mount 16-SO
74VHC139MTC onsemi

74VHC139MTC

IC DECODER/DEMUX 1X2:4 16TSSOP

onsemi

3,896
RFQ
74VHC139MTC Datasheet

Datasheet

74VHC 16-TSSOP (0.173", 4.40mm Width) Tube Obsolete Decoder/Demultiplexer 1 x 2:4 2 8mA, 8mA Single Supply 2V ~ 5.5V -40°C ~ 85°C - - Surface Mount 16-TSSOP
SN74LS257BN onsemi

SN74LS257BN

IC MULTIPLEXER 4 X 2:1 16DIP

onsemi

39,675
RFQ
SN74LS257BN Datasheet

Datasheet

74LS 16-DIP (0.300", 7.62mm) Tube Obsolete Multiplexer 4 x 2:1 1 2.6mA, 24mA Single Supply 4.75V ~ 5.25V 0°C ~ 70°C - - Through Hole 16-PDIP
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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.