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
HC55143IM Intersil

HC55143IM

SLIC, 2-4 CONVERSION, PQCC32

Intersil

476
RFQ
HC55143IM Datasheet

Datasheet

UniSLIC14 32-LCC (J-Lead) Tube Obsolete Subscriber Line Interface Concept (SLIC) - 1 4.75V ~ 5.25V 2.25mA 1.4 W -40°C ~ 85°C - - Surface Mount 32-PLCC (11.43x13.97)
HC5517IM Harris Corporation

HC5517IM

RINGING SLIC FOR ISDN MODEM

Harris Corporation

2,259
RFQ
HC5517IM Datasheet

Datasheet

ST-BUS™ 28-LCC (J-Lead) Bulk Obsolete Subscriber Line Interface Concept (SLIC) 2-Wire, 4-Wire 1 4.75V ~ 5.25V 6mA 300 mW -40°C ~ 85°C - - Surface Mount 28-PLCC (11.51x11.51)
HC55171B Harris Corporation

HC55171B

LOW COST 5 REN RINGING SLIC FOR

Harris Corporation

1,716
RFQ

-

* - Bulk Active - - - - - - - - - - -
HC5517IB Harris Corporation

HC5517IB

RINGING SLIC FOR ISDN MODEM

Harris Corporation

1,000
RFQ
HC5517IB Datasheet

Datasheet

ST-BUS™ 28-SOIC (0.295", 7.50mm Width) Bulk Obsolete Subscriber Line Interface Concept (SLIC) 2-Wire, 4-Wire 1 4.75V ~ 5.25V 6mA 300 mW -40°C ~ 85°C - - Surface Mount 28-SOIC
HC5517IM96 Harris Corporation

HC5517IM96

3 REN RINGING SLIC FOR ISDN MODE

Harris Corporation

750
RFQ
HC5517IM96 Datasheet

Datasheet

ST-BUS™ 28-LCC (J-Lead) Bulk Active Subscriber Line Interface Concept (SLIC) 2-Wire, 4-Wire 1 4.75V ~ 5.25V 6mA 300 mW -40°C ~ 85°C - - Surface Mount 28-PLCC (11.51x11.51)
PSB1350A ZGU Lantiq

PSB1350A ZGU

WIRELESS LAN 802.11 B/G SOLUTION

Lantiq

336,160
RFQ

-

* - Bulk Active - - - - - - - - - - -
HC5513BIP Intersil

HC5513BIP

SLIC, 2-4 CONVERSION, PDIP22

Intersil

19,655
RFQ
HC5513BIP Datasheet

Datasheet

- 22-DIP (0.400", 10.16mm) Bulk Active Subscriber Line Interface Concept (SLIC) 2-Wire, 4-Wire 1 ±4.75V ~ 5.25V 5.5mA 150 mW -40°C ~ 85°C - - Through Hole 22-PDIP
HC55171CB Harris Corporation

HC55171CB

5 REN RINGING SLIC FOR ISDN

Harris Corporation

10,864
RFQ
HC55171CB Datasheet

Datasheet

- 28-SOIC (0.295", 7.50mm Width) Bulk Active Subscriber Line Interface Concept (SLIC) 2-Wire, 4-Wire 1 -16V ~ -80V, 4.75V ~ 5.25V 6mA 300 mW 0°C ~ 75°C - - Surface Mount 28-SOIC
UCC2751D Texas Instruments

UCC2751D

IC TELECOM INTERFACE 16SOIC

Texas Instruments

3,223
RFQ
UCC2751D Datasheet

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tube Obsolete Ring Generator Controller - 1 12V 1mA - -55°C ~ 125°C - - Surface Mount 16-SOIC
PSB1350A ZGUR Lantiq

PSB1350A ZGUR

WIRELESS LAN 802.11 B/G SOLUTION

Lantiq

5,500
RFQ

-

* - Bulk Active - - - - - - - - - - -
HC5513BIMX6176C Harris Corporation

HC5513BIMX6176C

DLC/FLC SLIC WITH LOW POWER STAN

Harris Corporation

2,928
RFQ

-

* - Bulk Active - - - - - - - - - - -
UCC2751D Unitrode

UCC2751D

TELECOM CIRCUIT, 1-FUNC, BICMOS,

Unitrode

2,477
RFQ
UCC2751D Datasheet

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Bulk Active Ring Generator Controller - 1 12V 1mA - -55°C ~ 125°C - - Surface Mount 16-SOIC
HC5513BIM Harris Corporation

HC5513BIM

DLC/FLC SLIC

Harris Corporation

925
RFQ
HC5513BIM Datasheet

Datasheet

UniSLIC14 22-DIP (0.400", 10.16mm) Tube Obsolete Subscriber Line Interface Concept (SLIC) - 1 - 2.25mA 1.5 W -40°C ~ 85°C - - Through Hole 22-PDIP
HC5517CB Harris Corporation

HC5517CB

RINGING SLIC FOR ISDN MODEM

Harris Corporation

803
RFQ
HC5517CB Datasheet

Datasheet

ST-BUS™ 28-SOIC (0.295", 7.50mm Width) Bulk Active Subscriber Line Interface Concept (SLIC) 2-Wire, 4-Wire 1 4.75V ~ 5.25V 6mA 300 mW 0°C ~ 75°C - - Surface Mount 28-SOIC
HC5513BIM96 Harris Corporation

HC5513BIM96

DLC/FLC SLIC W/LOW POWER STANDBY

Harris Corporation

750
RFQ
HC5513BIM96 Datasheet

Datasheet

- 28-LCC (J-Lead) Bulk Active Subscriber Line Interface Concept (SLIC) 2-Wire, 4-Wire 1 ±4.75V ~ 5.25V 5.5mA 150 mW -40°C ~ 85°C - - Surface Mount 28-PLCC (11.51x11.51)
HC9P5509B-5 Harris Corporation

HC9P5509B-5

ITU CO/LOOP CARRIER SLIC

Harris Corporation

1,604
RFQ
HC9P5509B-5 Datasheet

Datasheet

- 28-SOIC (0.295", 7.50mm Width) Bulk Obsolete Subscriber Line Interface Concept (SLIC) 2-Wire, 4-Wire 1 -42V ~ -58V, 4.75V ~ 5.25V - 200 mW 0°C ~ 75°C - - Surface Mount 28-SOIC
HC9P5524-5R3054 Harris Corporation

HC9P5524-5R3054

EIA/ITU 24V PABX SLIC WITH 25MA

Harris Corporation

967
RFQ

-

* - Bulk Active - - - - - - - - - - -
HC55180CIM Harris Corporation

HC55180CIM

RINGING SLIC FAMILY

Harris Corporation

453
RFQ
HC55180CIM Datasheet

Datasheet

- 28-LCC (J-Lead) Bulk Obsolete Subscriber Line Interface Concept (SLIC) 2-Wire, 4-Wire 1 -16V ~ -100V, 4.75V ~ 5.25V 5mA 290 mW -40°C ~ 85°C - - Surface Mount 28-PLCC (11.51x11.51)
MC33121P Motorola

MC33121P

SLIC, PDIP20

Motorola

15,279
RFQ
MC33121P Datasheet

Datasheet

- 14-DIP (0.300", 7.62mm) Bulk Active Subscriber Line Interface Concept (SLIC) 2-Wire, 4-Wire 1 -21.6V ~ -42V, 3.5V ~ 5.5V, 4.5V ~ 47.5V 14mA - -40°C ~ 85°C - - Through Hole 14-PDIP
PSB8430ZDW Infineon Technologies

PSB8430ZDW

LANTIQ PSB8430 TELECOMS IC

Infineon Technologies

8,500
RFQ

-

* - Bulk Active - - - - - - - - - - -
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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.