Telecom

Manufacturer Series Package/Case Packaging Product Status Function Interface Number of Circuits Voltage - Supply Current - Supply Power (Watts) 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 Function Interface Number of Circuits Voltage - Supply Current - Supply Power (Watts) Operating Temperature Grade Qualification Mounting Type Supplier Device Package
ML2032CP Fairchild Semiconductor

ML2032CP

TONE DECODER CIRCUIT PDIP8

Fairchild Semiconductor

960
RFQ
ML2032CP Datasheet

Datasheet

- 8-DIP (0.300", 7.62mm) Bulk Active Tone Detector 4-Wire 1 4V ~ 6V 7.5mA - 0°C ~ 70°C - - Through Hole 8-PDIP
HC55184ECM96R4749 Intersil

HC55184ECM96R4749

SLIC, 2-4 CONVERSION, BIPOLAR,

Intersil

6,459
RFQ

-

* - Bulk Obsolete - - - - - - - - - - -
HC55185ECMR4854 Intersil

HC55185ECMR4854

SLIC, 2-4 CONVERSION, BIPOLAR

Intersil

680
RFQ
HC55185ECMR4854 Datasheet

Datasheet

* - Bulk Active - - - - - - - - - - -
HC5503TCB Intersil

HC5503TCB

SLIC, BIPOLAR, PDSO24

Intersil

200
RFQ
HC5503TCB Datasheet

Datasheet

- 24-SOIC (0.295", 7.50mm Width) Bag Obsolete Subscriber Line Interface Concept (SLIC) - 1 4.75V ~ 5.25V - - 0°C ~ 75°C - - Surface Mount 24-SOIC
LC73854M-TLM-E onsemi

LC73854M-TLM-E

IC TELECOM INTERFACE 18MFP

onsemi

3,410
RFQ

-

* - Tape & Reel (TR) Active - - - - - - - - - - -
TLE6237GNTMA1 Infineon Technologies

TLE6237GNTMA1

NETWORK INTERFACE CONTROLLER

Infineon Technologies

8,000
RFQ

-

* - Bulk Active - - - - - - - - - - -
HC5503CM Harris Corporation

HC5503CM

24V SLIC FOR PABX/KEY SYSTEM

Harris Corporation

3,519
RFQ
HC5503CM Datasheet

Datasheet

- 28-LCC (J-Lead) Bulk Active Subscriber Line Interface Concept (SLIC) 2-Wire, 4-Wire 1 -22V ~ -26V, 4.75V ~ 5.25V - 200 mW 0°C ~ 75°C - - Surface Mount 28-PLCC (11.51x11.51)
ISL5571AIB Intersil

ISL5571AIB

TELECOM CIRCUIT, 1-FUNC, BIMOS

Intersil

132
RFQ
ISL5571AIB Datasheet

Datasheet

- 16-SOIC (0.295", 7.50mm Width) Bag Obsolete Access High Voltage Switch - 1 4.5V ~ 5.5V - - -40°C ~ 85°C - - Surface Mount 16-SOIC
ISL5571AIB-T Intersil

ISL5571AIB-T

TELECOM CIRCUIT, 1-FUNC, BIMOS

Intersil

7,000
RFQ
ISL5571AIB-T Datasheet

Datasheet

- 16-SOIC (0.295", 7.50mm Width) Bulk Obsolete Access High Voltage Switch - 1 4.5V ~ 5.5V - - -40°C ~ 85°C - - Surface Mount 16-SOIC
LE87511NQC Microchip Technology

LE87511NQC

IC TELECOM INTERFACE 16QFN

Microchip Technology

2,448
RFQ
LE87511NQC Datasheet

Datasheet

- 16-VQFN Exposed Pad Tray Active Line Driver - 1 - - - - - - Surface Mount 16-QFN (4x4)
HC55185FCM Intersil

HC55185FCM

VOIP RINGING SLIC

Intersil

602
RFQ
HC55185FCM Datasheet

Datasheet

RSLIC18 28-LCC (J-Lead) Bag Obsolete Subscriber Line Interface Concept (SLIC) - 1 - - - 0°C ~ 85°C - - Surface Mount 28-PLCC (11.51x11.51)
LE87536NQCT Microchip Technology

LE87536NQCT

IC TELECOM INTERFACE 16QFN

Microchip Technology

5,000
RFQ

-

* - Tape & Reel (TR) Obsolete - - - - - - - - - - -
ML2031CP Fairchild Semiconductor

ML2031CP

TONE DECODER CIRCUIT PDIP8

Fairchild Semiconductor

1,000
RFQ
ML2031CP Datasheet

Datasheet

- 8-DIP (0.300", 7.62mm) Bulk Active Tone Detector 4-Wire 1 4V ~ 6V 7.5mA - 0°C ~ 70°C - - Through Hole 8-PDIP
HC5503PRCB Intersil

HC5503PRCB

SLIC, 2-4 CONVERSION, BIPOLAR

Intersil

8,928
RFQ
HC5503PRCB Datasheet

Datasheet

- 24-SOIC (0.295", 7.50mm Width) Bag Obsolete Subscriber Line Interface Concept (SLIC) - 1 4.75V ~ 5.25V - - 0°C ~ 75°C - - Surface Mount 24-SOIC
TPS9104IPTR Texas Instruments

TPS9104IPTR

TELECOM CIRCUIT, 1-FUNC, PQFP48

Texas Instruments

9,000
RFQ
TPS9104IPTR Datasheet

Datasheet

* - Bulk Active - - - - - - - - - - -
HC55120CM Harris Corporation

HC55120CM

LOW POWER UNIVERSAL SLIC FAMILY

Harris Corporation

1,146
RFQ
HC55120CM Datasheet

Datasheet

UniSLIC14 28-LCC (J-Lead) Bag Obsolete Subscriber Line Interface Concept (SLIC) - 1 4.75V ~ 5.25V 2.25mA 1.5 W 0°C ~ 70°C - - Surface Mount 28-PLCC (11.51x11.51)
HC55185ECR Intersil

HC55185ECR

SLIC, 2-4 CONVERSION, BIPOLAR

Intersil

488
RFQ
HC55185ECR Datasheet

Datasheet

RSLIC18 32-VQFN Exposed Pad Bag Obsolete Subscriber Line Interface Concept (SLIC) - 1 - - - 0°C ~ 75°C - - Surface Mount 32-QFN (7x7)
HC5517BCB Harris Corporation

HC5517BCB

RINGING SLIC FOR ISDN MODEM

Harris Corporation

1,040
RFQ
HC5517BCB Datasheet

Datasheet

- 28-SOIC (0.295", 7.50mm Width) Bulk Active Subscriber Line Interface Concept (SLIC) 2-Wire, 4-Wire, ISDN 1 4.75V ~ 5.25V 6mA 300 mW 0°C ~ 75°C - - Surface Mount 28-SOIC
HC5517BCB96S2495 Harris Corporation

HC5517BCB96S2495

3 REN RINGING SLIC FOR ISDN MODE

Harris Corporation

1,000
RFQ

-

* - Bulk Active - - - - - - - - - - -
HC55185FCR Intersil

HC55185FCR

SLIC, 2-4 CONVERSION, BIPOLAR

Intersil

260
RFQ
HC55185FCR Datasheet

Datasheet

RSLIC18 32-VQFN Exposed Pad Bag Obsolete Subscriber Line Interface Concept (SLIC) - 1 - - - 0°C ~ 85°C - - Surface Mount 32-QFN (7x7)
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Telecom 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 Telecom 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 Telecom 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.

Telecom FAQ

Can FPGAX source both active and end-of-life Telecom 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 Telecom 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.