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
CD74ACT258M Texas Instruments

CD74ACT258M

IC MULTIPLEXER 4 X 2:1 16SOIC

Texas Instruments

520
RFQ
CD74ACT258M Datasheet

Datasheet

74ACT 16-SOIC (0.154", 3.90mm Width) Bulk Obsolete Multiplexer 4 x 2:1 1 75mA, 75mA Single Supply 4.5V ~ 5.5V -55°C ~ 125°C - - Surface Mount 16-SOIC
SN74CBT6800CDBR Texas Instruments

SN74CBT6800CDBR

IC BUS SWITCH 10 X 1:1 24SSOP

Texas Instruments

8,000
RFQ
SN74CBT6800CDBR Datasheet

Datasheet

74CBT 24-SSOP (0.209", 5.30mm Width) Bulk Obsolete Bus Switch 10 x 1:1 1 - Single Supply 4V ~ 5.5V -40°C ~ 85°C - - Surface Mount 24-SSOP
SN74CBT6800CDBQR Texas Instruments

SN74CBT6800CDBQR

IC BUS SW 10 X 1:1 24SSOP/QSOP

Texas Instruments

1,588
RFQ
SN74CBT6800CDBQR Datasheet

Datasheet

74CBT 24-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Bus Switch 10 x 1:1 1 - Single Supply 4V ~ 5.5V -40°C ~ 85°C - - Surface Mount 24-SSOP
SN74CBT6800ADBR Texas Instruments

SN74CBT6800ADBR

IC BUS SWITCH 10 X 1:1 24SSOP

Texas Instruments

6,000
RFQ
SN74CBT6800ADBR Datasheet

Datasheet

74CBT 24-SSOP (0.209", 5.30mm Width) Bulk Obsolete Bus Switch 10 x 1:1 1 - Single Supply 4V ~ 5.5V -40°C ~ 85°C - - Surface Mount 24-SSOP
SN74LS155ANSR Texas Instruments

SN74LS155ANSR

IC DECODER/DEMUX 1 X 2:4 16SO

Texas Instruments

2,352
RFQ
SN74LS155ANSR Datasheet

Datasheet

74LS 16-SOIC (0.209", 5.30mm Width) Tape & Reel (TR) Active Decoder/Demultiplexer 1 x 2:4 2 400µA, 8mA Single Supply 4.75V ~ 5.25V 0°C ~ 70°C - - Surface Mount 16-SO
SN74CBTLV16292DL Texas Instruments

SN74CBTLV16292DL

IC MUX/DEMUX 12 X 1:2 56SSOP

Texas Instruments

1,999
RFQ
SN74CBTLV16292DL Datasheet

Datasheet

74CBTLV 56-BSSOP (0.295", 7.50mm Width) Bulk Active Multiplexer/Demultiplexer 12 x 1:2 1 - Single Supply 2.3V ~ 3.6V -40°C ~ 85°C - - Surface Mount 56-SSOP
QS54FCT138CTSO Quality Semiconductor

QS54FCT138CTSO

DECODER/DRIVER, FCT SERIES

Quality Semiconductor

311
RFQ
QS54FCT138CTSO Datasheet

Datasheet

* - Bulk Active - - - - - - - - - - -
SN74CBT16800CDLR Texas Instruments

SN74CBT16800CDLR

IC BUS SWITCH 10 X 1:1 48SSOP

Texas Instruments

1,938
RFQ
SN74CBT16800CDLR Datasheet

Datasheet

74CBT 48-BSSOP (0.295", 7.50mm Width) Tape & Reel (TR) Obsolete Bus Switch 10 x 1:1 2 - Single Supply 4.5V ~ 5.5V -40°C ~ 85°C - - Surface Mount 48-SSOP
CY74FCT399CTSOCT Texas Instruments

CY74FCT399CTSOCT

IC MULTIPLEXER 4 X 1:1 16SOIC

Texas Instruments

2,692
RFQ
CY74FCT399CTSOCT Datasheet

Datasheet

74FCT 16-SOIC (0.295", 7.50mm Width) Tape & Reel (TR) Discontinued at Digi-Key Multiplexer 4 x 1:1 1 32mA, 64mA Single Supply 4.75V ~ 5.25V -40°C ~ 85°C - - Surface Mount 16-SOIC
PCA8550DBR Texas Instruments

PCA8550DBR

IC MULTIPLEXER 1 X 4:4 16SSOP

Texas Instruments

2,648
RFQ
PCA8550DBR Datasheet

Datasheet

- 16-SSOP (0.209", 5.30mm Width) Tape & Reel (TR) Obsolete Multiplexer 1 x 4:4 1 2mA, 2mA Single Supply 3V ~ 3.6V 0°C ~ 70°C - - Surface Mount 16-SSOP
PCA8550DR Texas Instruments

PCA8550DR

IC NON-VOLATILE REG MUX 16-SOIC

Texas Instruments

4,165
RFQ
PCA8550DR Datasheet

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Digi-Reel® Obsolete Multiplexer 1 x 4:4 1 2mA, 2mA Single Supply 3V ~ 3.6V 0°C ~ 70°C - - Surface Mount 16-SOIC
GX4201-CKA Gennum

GX4201-CKA

IC CROSSPOINT SWITCH 1 X 1:1

Gennum

37,266
RFQ
GX4201-CKA Datasheet

Datasheet

GX4201 - Bulk Obsolete Crosspoint Switch 1 x 1:1 1 12mA, 80µA Single Supply 5V 0°C ~ 70°C - - Surface Mount -
FSTU32160AMTDX Fairchild Semiconductor

FSTU32160AMTDX

MUX AND DEMUX/DECODER

Fairchild Semiconductor

16,410
RFQ
FSTU32160AMTDX Datasheet

Datasheet

- 56-TFSOP (0.240", 6.10mm Width) Bulk Active Multiplexer/Demultiplexer 16 x 1:2 1 - Single Supply 4V ~ 5.5V -40°C ~ 85°C - - Surface Mount 56-TSSOP
SN74ALS257ANSR Texas Instruments

SN74ALS257ANSR

IC MULTIPLEXER 4 X 2:1 16SO

Texas Instruments

3,882
RFQ
SN74ALS257ANSR Datasheet

Datasheet

74ALS 16-SOIC (0.209", 5.30mm Width) Tape & Reel (TR) Active Multiplexer 4 x 2:1 1 2.6mA, 24mA Single Supply 4.5V ~ 5.5V 0°C ~ 70°C - - Surface Mount 16-SO
FSTD32211GX Fairchild Semiconductor

FSTD32211GX

IC BUS SWITCH 12 X 1:1 114FBGA

Fairchild Semiconductor

3,080
RFQ
FSTD32211GX Datasheet

Datasheet

- 114-LFBGA Bulk Obsolete Bus Switch 12 x 1:1 4 - Single Supply 4.5V ~ 5.5V -40°C ~ 85°C - - Surface Mount 114-FBGA (16x5.5)
SN74CB3Q16211ZQLR Texas Instruments

SN74CB3Q16211ZQLR

IC BUS SWITCH 12 X 1:1 56BGA

Texas Instruments

1,916
RFQ
SN74CB3Q16211ZQLR Datasheet

Datasheet

74CB 56-VFBGA Tape & Reel (TR) Obsolete Bus Switch 12 x 1:1 2 - Single Supply 2.3V ~ 3.6V -40°C ~ 85°C - - Surface Mount 56-BGA Microstar Junior (7x4.5)
SN74AS258D Texas Instruments

SN74AS258D

IC MULTIPLEXER 4 X 2:1 16SOIC

Texas Instruments

4,932
RFQ
SN74AS258D Datasheet

Datasheet

74AS 16-SOIC (0.154", 3.90mm Width) Tube Obsolete Multiplexer 4 x 2:1 1 2.6mA, 24mA Single Supply 4.5V ~ 5.5V 0°C ~ 70°C - - Surface Mount 16-SOIC
QS74FCT2251TQ Quality Semiconductor

QS74FCT2251TQ

MUX, FCT SERIES

Quality Semiconductor

896
RFQ
QS74FCT2251TQ Datasheet

Datasheet

* - Bulk Active - - - - - - - - - - -
SN74CB3Q3245ZQNR Texas Instruments

SN74CB3Q3245ZQNR

IC BUS SWITCH 8 X 1:1 20BGA

Texas Instruments

1,912
RFQ
SN74CB3Q3245ZQNR Datasheet

Datasheet

74CB 20-VFBGA Tape & Reel (TR) Obsolete Bus Switch 8 x 1:1 1 - Single Supply 2.3V ~ 3.6V -40°C ~ 85°C - - Surface Mount 20-BGA MICROSTAR JUNIOR (4x3)
QS74FCT139TQ Quality Semiconductor

QS74FCT139TQ

IC DECODER 2 X 4:2

Quality Semiconductor

14,958
RFQ
QS74FCT139TQ Datasheet

Datasheet

QS74FCT139 - Bulk Obsolete Decoder 2 x 4:2 2 12mA, 32mA Single Supply 5V 0°C ~ 70°C - - Surface Mount -
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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.