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
MC74F257AN onsemi

MC74F257AN

IC MULTIPLEXER 4 X 2:1 16DIP

onsemi

56,000
RFQ
MC74F257AN Datasheet

Datasheet

- 16-DIP (0.300", 7.62mm) Bulk Active Multiplexer 4 x 2:1 1 24mA, 3mA Single Supply 4.5V ~ 5.5V 0°C ~ 70°C (TA) - - Through Hole 16-PDIP
MC74HC147N onsemi

MC74HC147N

ENCODER, HC/UH SERIES, 9 BIT, CM

onsemi

47,233
RFQ
MC74HC147N Datasheet

Datasheet

74HC - Bulk Active Priority Encoder 1 x 10:4 1 5.2mA, 5.2mA Single Supply 2V ~ 6V -55°C ~ 125°C - - - -
FST3126QSCX Fairchild Semiconductor

FST3126QSCX

IC BUS SWITCH 1 X 1:1 16QSOP

Fairchild Semiconductor

39,080
RFQ
FST3126QSCX Datasheet

Datasheet

- 16-LSSOP (0.154", 3.90mm Width) Bulk Obsolete Bus Switch 1 x 1:1 4 - Single Supply 4V ~ 5.5V -40°C ~ 85°C - - Surface Mount 16-QSOP
FST3126QSC Fairchild Semiconductor

FST3126QSC

IC BUS SWITCH 1 X 1:1 16QSOP

Fairchild Semiconductor

36,378
RFQ
FST3126QSC Datasheet

Datasheet

- 16-LSSOP (0.154", 3.90mm Width) Tube Obsolete Bus Switch 1 x 1:1 4 - Single Supply 4V ~ 5.5V -40°C ~ 85°C - - Surface Mount 16-QSOP
74LCX138SJX Fairchild Semiconductor

74LCX138SJX

IC DECODER/DEMUX 1X3:8 16SOP

Fairchild Semiconductor

30,976
RFQ
74LCX138SJX Datasheet

Datasheet

74LCX 16-SOIC (0.209", 5.30mm Width) Bulk Obsolete Decoder/Demultiplexer 1 x 3:8 1 24mA, 24mA Single Supply 2V ~ 3.6V -40°C ~ 85°C - - Surface Mount 16-SOP
FST3125QSC Fairchild Semiconductor

FST3125QSC

IC BUS SWITCH 1 X 1:1 16QSOP

Fairchild Semiconductor

27,166
RFQ
FST3125QSC Datasheet

Datasheet

- 16-LSSOP (0.154", 3.90mm Width) Tube Obsolete Bus Switch 1 x 1:1 4 - Single Supply 4V ~ 5.5V -40°C ~ 85°C - - Surface Mount 16-QSOP
SN74CBTLV3857PWR Texas Instruments

SN74CBTLV3857PWR

IC BUS SWITCH 10 X 1:1 24TSSOP

Texas Instruments

1,033
RFQ
SN74CBTLV3857PWR Datasheet

Datasheet

74CBTLV 24-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Discontinued at Digi-Key Bus Switch 10 x 1:1 1 - Single Supply 3V ~ 3.6V -40°C ~ 85°C - - Surface Mount 24-TSSOP
74F257APC Fairchild Semiconductor

74F257APC

IC MULTIPLEXER 4 X 2:1 16DIP

Fairchild Semiconductor

14,851
RFQ
74F257APC Datasheet

Datasheet

74F 16-DIP (0.300", 7.62mm) Tube Obsolete Multiplexer 4 x 2:1 1 3mA, 24mA Single Supply 4.5V ~ 5.5V 0°C ~ 70°C - - Through Hole 16-PDIP
SN74LVC157ANS Texas Instruments

SN74LVC157ANS

IC DATASELCT/MUX 2-1 QUAD 16SO

Texas Instruments

14,700
RFQ
SN74LVC157ANS Datasheet

Datasheet

74LVC 16-SOIC (0.209", 5.30mm Width) Bulk Active Multiplexer 4 x 2:1 1 24mA, 24mA Single Supply 2V ~ 3.6V -40°C ~ 85°C - - Surface Mount 16-SO
MC74F148M onsemi

MC74F148M

PRIOR,ENCODER

onsemi

8,800
RFQ

-

* - Bulk Active - - - - - - - - - - -
DM74ALS157SJX Fairchild Semiconductor

DM74ALS157SJX

IC MULTIPLEXER 4 X 2:1 16SOP

Fairchild Semiconductor

8,081
RFQ
DM74ALS157SJX Datasheet

Datasheet

74ALS 16-SOIC (0.209", 5.30mm Width) Bulk Obsolete Multiplexer 4 x 2:1 1 400µA, 8mA Single Supply 4.5V ~ 5.5V 0°C ~ 70°C - - Surface Mount 16-SOP
CY74FCT257CTDR Texas Instruments

CY74FCT257CTDR

IC MULTIPLEXER 4 X 2:1 16SOIC

Texas Instruments

7,500
RFQ
CY74FCT257CTDR Datasheet

Datasheet

74FCT 16-SOIC (0.154", 3.90mm Width) Bulk 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
SN74HCT138PWT Texas Instruments

SN74HCT138PWT

IC DECODER/DEMUX 1X3:8 16TSSOP

Texas Instruments

3,928
RFQ
SN74HCT138PWT Datasheet

Datasheet

74HCT 16-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Discontinued at Digi-Key Decoder/Demultiplexer 1 x 3:8 1 4mA, 4mA Single Supply 4.5V ~ 5.5V -40°C ~ 85°C - - Surface Mount 16-TSSOP
DM74ALS153SJX Fairchild Semiconductor

DM74ALS153SJX

IC MULTIPLEXER 2 X 4:1 16SOP

Fairchild Semiconductor

5,224
RFQ
DM74ALS153SJX Datasheet

Datasheet

74ALS 16-SOIC (0.209", 5.30mm Width) Bulk Obsolete Multiplexer 2 x 4:1 1 2.6mA, 24mA Single Supply 4.5V ~ 5.5V 0°C ~ 70°C - - Surface Mount 16-SOP
SN74HCT139DT Texas Instruments

SN74HCT139DT

IC DECODER/DEMUX 1X2:4 16SOIC

Texas Instruments

3,543
RFQ
SN74HCT139DT Datasheet

Datasheet

74HCT 16-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Decoder/Demultiplexer 1 x 2:4 2 4mA, 4mA Single Supply 4.5V ~ 5.5V -40°C ~ 85°C - - Surface Mount 16-SOIC
MC74F251MEL onsemi

MC74F251MEL

MULTIPLEXER

onsemi

4,000
RFQ

-

* - Bulk Active - - - - - - - - - - -
MC74HC157ADTEL Motorola

MC74HC157ADTEL

MULTIPLEXER CMOS 8-IN 16PIN TSSO

Motorola

3,750
RFQ

-

74HC 16-TSSOP (0.173", 4.40mm Width) Bulk Active Data Selector/Multiplexer 4 x 2:1 1 7.8mA, 7.8mA Single Supply 2V ~ 6V -55°C ~ 125°C - - Surface Mount 16-TSSOP
74HC157DB,112 NXP USA Inc.

74HC157DB,112

IC QUAD 2-IN MUX 16-SSOP

NXP USA Inc.

2,955
RFQ
74HC157DB,112 Datasheet

Datasheet

74HC 16-SSOP (0.209", 5.30mm Width) Tube Active Multiplexer 4 x 2:1 1 5.2mA, 5.2mA Single Supply 2V ~ 6V -40°C ~ 125°C - - Surface Mount 16-SSOP
MC74HC157AF Motorola

MC74HC157AF

IC DATA SELECTOR/MUX 16-SOEIAJ

Motorola

2,650
RFQ
MC74HC157AF Datasheet

Datasheet

74HC 16-SOIC (0.209", 5.30mm Width) Bulk Active Data Selector/Multiplexer 4 x 2:1 1 7.8mA, 7.8mA Single Supply 2V ~ 6V -55°C ~ 125°C - - Surface Mount 16-SOEIAJ
74F258ASCX Fairchild Semiconductor

74F258ASCX

MUX, F/FAST SERIES

Fairchild Semiconductor

2,500
RFQ
74F258ASCX Datasheet

Datasheet

74F 16-SOIC (0.154", 3.90mm Width) Bulk Active Multiplexer 4 x 2:1 1 3mA, 24mA Single Supply 4.5V ~ 5.5V 0°C ~ 70°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.