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Telecom Interface ICs are semiconductor devices used for signal transmission, line interface, communication control and system connectivity in telecom and networking equipment. They are widely used in communication infrastructure, industrial communication systems, modems, routers, PBX systems, access equipment, VoIP devices, test instruments and embedded communication products.
This category includes telecom interface ICs, line interface devices, subscriber line interface circuits, communication controllers, signal conditioning ICs and related interface components. These devices are commonly selected based on communication standard, line voltage, data rate, channel count, protection features, package type and system compatibility.
TomatoElec supplies original Telecom Interface ICs from recognized semiconductor manufacturers such as Texas Instruments, Analog Devices, STMicroelectronics, Microchip, NXP, onsemi, Diodes Incorporated, Infineon, Renesas and other major brands. As an in-stock electronic components supplier and independent distributor, TomatoElec provides inventory support, original component sourcing and BOM sourcing services for global customers.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
HT18LG-GIC TELECOM INTERFACE 8SOIC |
0 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Switch | - | 1 | - | - | - | 0°C ~ 50°C | - | - | Surface Mount | 8-SOIC |
|
HT19LG-GIC TELECOM INTERFACE 8SOIC |
0 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Switch | - | 1 | - | - | - | 0°C ~ 50°C | - | - | Surface Mount | 8-SOIC |
|
MT88L70AN1IC TELECOM INTERFACE 20SSOP |
0 | - |
|
Datasheet |
- | 20-SSOP (0.209", 5.30mm Width) | Tube | Active | DTMF Receiver | - | 1 | 2.7V ~ 3.6V | 2mA | - | -40°C ~ 85°C | - | - | Surface Mount | 20-SSOP |
|
U4037B-NFLG3YIC TELECOM INTERFACE 24SO |
0 | - |
|
Datasheet |
- | 24-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Obsolete | Speech and Ringer Circuit | - | 1 | 3.1V ~ 3.6V | - | 520 W | -25°C ~ 75°C | - | - | Surface Mount | 24-SO |
|
U4037B-NFLYIC TELECOM INTERFACE 24SO |
0 | - |
|
Datasheet |
- | 24-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | Speech and Ringer Circuit | - | 1 | 3.1V ~ 3.6V | - | 520 W | -25°C ~ 75°C | - | - | Surface Mount | 24-SO |
|
U3761MB-XFNGIC TELECOM INTERFACE 44SSO |
0 | - |
|
- |
- | 44-BSOP (0.295", 7.50mm Width) | Tube | Obsolete | Universal Telephone Circuit | - | 1 | - | 3.8mA | 900 mW | -25°C ~ 75°C | - | - | Surface Mount | 44-SSO |
|
U3761MB-XFNG3GIC TELECOM INTERFACE 44SSO |
0 | - |
|
- |
- | 44-BSOP (0.295", 7.50mm Width) | Tape & Reel (TR) | Obsolete | Universal Telephone Circuit | - | 1 | - | 3.8mA | 900 mW | -25°C ~ 75°C | - | - | Surface Mount | 44-SSO |
|
PEF41078VV11DATA COMM PEF41078VV11 VQFN48 SL |
0 | - |
|
- |
- | - | Tape & Reel (TR) | Active | - | - | - | - | - | - | - | - | - | - | - |
|
PEF31001VSV12CODEC |
0 | - |
|
- |
- | - | Tray | Active | - | - | - | - | - | - | - | - | - | - | - |
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PEF32001VSV12DATA COMM PEF32001VSV12 VQFN44 S |
0 | - |
|
- |
- | - | Tray | Active | - | - | - | - | - | - | - | - | - | - | - |
|
MT8870DN1IC TELECOM INTERFACE 20SSOP |
0 | - |
|
Datasheet |
- | 20-SSOP (0.209", 5.30mm Width) | Tube | Active | DTMF Receiver | - | 1 | 4.75V ~ 5.25V | 3mA | - | -40°C ~ 85°C | - | - | Surface Mount | 20-SSOP |
|
LE87271EQCIC TELECOM INTERFACE |
0 | - |
|
- |
- | - | Tray | Active | - | - | - | - | - | - | - | - | - | - | - |
|
MT88L70ANR1IC TELECOM INTERFACE 20SSOP |
0 | - |
|
Datasheet |
- | 20-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | DTMF Receiver | - | 1 | 2.7V ~ 3.6V | 2mA | - | -40°C ~ 85°C | - | - | Surface Mount | 20-SSOP |
|
SI32391-B-FM1RIC TELECOM INTERFACE 48QFN |
0 | - |
|
- |
ProSLIC® | 48-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Subscriber Line Interface Concept (SLIC) | - | 1 | 3.15V ~ 3.45V | - | - | 0°C ~ 70°C | - | - | Surface Mount | 48-QFN (7x7) |
|
|
VSC8540XMV-03IC TELECOM INTERFACE 68QFN |
0 | - |
|
Datasheet |
- | 68-VFQFN Exposed Pad | Tray | Obsolete | Ethernet | RMII | 1 | - | - | - | -40°C ~ 125°C | - | - | Surface Mount | 68-QFN (8x8) |
|
MC34017A-1PIC TELECOM INTERFACE 8DIP |
0 | - |
|
Datasheet |
- | 8-DIP (0.300", 7.62mm) | Tube | Obsolete | Tone Ringer | - | 1 | 5V | 20mA | 1 W | -20°C ~ 60°C | - | - | Through Hole | 8-PDIP |
|
MC34017A-2PIC TELECOM INTERFACE 8DIP |
0 | - |
|
Datasheet |
- | 8-DIP (0.300", 7.62mm) | Tube | Obsolete | Tone Ringer | - | 1 | 5V | 20mA | 1 W | -20°C ~ 60°C | - | - | Through Hole | 8-PDIP |
|
MC34017A-3PIC TELECOM INTERFACE 8DIP |
0 | - |
|
Datasheet |
- | 8-DIP (0.300", 7.62mm) | Tube | Obsolete | Tone Ringer | - | 1 | 5V | 20mA | 1 W | -20°C ~ 60°C | - | - | Through Hole | 8-PDIP |
|
LE87557NQCIC TELECOM INTERFACE 1CH |
0 | - |
|
- |
* | - | Tray | Active | - | - | - | - | - | - | - | - | - | - | - |
|
SI32391-B-FMRIC TELECOM INTERFACE 48QFN |
0 | - |
|
- |
ProSLIC® | 48-VFQFN Exposed Pad | Tape & Reel (TR) | Not For New Designs | Subscriber Line Interface Concept (SLIC) | - | 1 | 3.15V ~ 3.45V | - | - | 0°C ~ 70°C | - | - | Surface Mount | 48-QFN (7x7) |
