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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
SI32185-A-FMIC TELECOM INTERFACE 40QFN |
697 | - |
|
Datasheet |
ProSLIC® | 40-VFQFN Exposed Pad | Tray | Active | - | 3-Wire | 1 | 3.3V | - | - | 0°C ~ 70°C | - | - | Surface Mount | 40-QFN (6x6) |
|
SI3011-F-FSIC TELECOM INTERFACE 16SOIC |
112 | - |
|
Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Tube | Active | Direct Access Arrangement (DAA) | PCM, Serial, SPI | 1 | 3V ~ 3.6V | 8.5mA | - | 0°C ~ 70°C | - | - | Surface Mount | 16-SOIC |
|
SI3050-E1-GTRIC TELECOM INTERFACE 20TSSOP |
8,648 | - |
|
Datasheet |
- | 20-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Direct Access Arrangement (DAA) | GCI, PCM, SPI | 1 | 3V ~ 3.6V | 8.5mA | - | -40°C ~ 85°C | - | - | Surface Mount | 20-TSSOP |
|
SI3018-F-FSRIC TELECOM INTERFACE 16SOIC |
8,713 | - |
|
Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Direct Access Arrangement (DAA) | Parallel, SPI, UART | 1 | 3V ~ 3.6V | 8.5mA | - | 0°C ~ 70°C | - | - | Surface Mount | 16-SOIC |
|
|
SI32185-A-GMIC TELECOM INTERFACE 40QFN |
2,912 | - |
|
Datasheet |
ProSLIC® | 40-VFQFN Exposed Pad | Tray | Active | - | 3-Wire | 1 | 3.3V | - | - | -40°C ~ 85°C | - | - | Surface Mount | 40-QFN (6x6) |
|
SI3019-F-FMIC TELECOM INTERFACE 20QFN |
5,233 | - |
|
Datasheet |
- | 20-VFQFN Exposed Pad | Tray | Active | Direct Access Arrangement (DAA) | GCI, PCM, SPI | 1 | 3V ~ 3.6V | 8.5mA | - | 0°C ~ 70°C | - | - | Surface Mount | 20-QFN (3x3) |
|
SI3050-E1-FMIC TELECOM INTERFACE 24QFN |
1,055 | - |
|
Datasheet |
- | 24-WFQFN Exposed Pad | Tray | Active | Direct Access Arrangement (DAA) | GCI, PCM, SPI | 1 | 3V ~ 3.6V | 8.5mA | - | 0°C ~ 70°C | - | - | Surface Mount | 24-QFN (4x4) |
|
SI3018-F-GSIC TELECOM INTERFACE 16SOIC |
630 | - |
|
Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Tube | Active | Direct Access Arrangement (DAA) | Parallel, SPI, UART | 1 | 3V ~ 3.6V | 8.5mA | - | -40°C ~ 85°C | - | - | Surface Mount | 16-SOIC |
|
SI3019-F-FTIC TELECOM INTERFACE 16TSSOP |
4,680 | - |
|
Datasheet |
- | 16-TSSOP (0.173", 4.40mm Width) | Tube | Active | Direct Access Arrangement (DAA) | GCI, PCM, SPI | 1 | 3V ~ 3.6V | 8.5mA | - | 0°C ~ 70°C | - | - | Surface Mount | 16-TSSOP |
|
SI32178-B-FM1IC TELECOM INTERFACE 42QFN |
391 | - |
|
Datasheet |
ProSLIC® | 42-WFQFN Exposed Pad | Tray | Active | Subscriber Line Interface Concept (SLIC), CODEC | GCI, PCM, SPI | 1 | 3.3V | - | - | - | - | - | Surface Mount | 42-QFN (5x7) |
|
SI32261-C-FM2RIC TELECOM INTERFACE 60QFN |
12,322 | - |
|
Datasheet |
ProSLIC® | 60-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Subscriber Line Interface Concept (SLIC), CODEC | GCI, PCM, SPI | 1 | 3.13V ~ 3.47V | - | - | 0°C ~ 70°C | - | - | Surface Mount | 60-QFN (8x8) |
|
SI3019-F-GSIC TELECOM INTERFACE 16SOIC |
730 | - |
|
Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Tube | Active | Direct Access Arrangement (DAA) | GCI, PCM, SPI | 1 | 3V ~ 3.6V | 8.5mA | - | -40°C ~ 85°C | - | - | Surface Mount | 16-SOIC |
|
VSC8514XMKIC TELECOM INTERFACE 138QFN |
174 | - |
|
Datasheet |
- | - | Tray | Active | Signal Conditioner | - | 2 | 2.5V | - | - | -40°C ~ 110°C | - | - | Surface Mount | 138-QFN (12x12) |
|
CMX7261L9IC TELECOM INTERFACE 64LQFP |
175 | - |
|
Datasheet |
- | 64-LQFP | Tray | Active | Transcoder | C-Bus | 1 | 3V ~ 3.6V | 670µA | 1.69 W | -40°C ~ 85°C | - | - | Surface Mount | 64-LQFP (10x10) |
|
CMX638Q3IC TELECOM INTERFACE 48VQFN |
215 | - |
|
Datasheet |
- | 48-VFQFN Exposed Pad | Tray | Active | RALCWI Vocoders | C-Bus | 1 | 3V ~ 3.6V | 17.5mA | 1.75 W | -40°C ~ 85°C | - | - | Surface Mount | 48-VQFN (7x7) |
|
DS2148T+IC TELECOM INTERFACE 44TQFP |
160 | - |
|
Datasheet |
- | 44-TQFP | Tray | Active | Line Interface Unit (LIU) | LIU | 1 | 4.75V ~ 5.25V | 95mA | - | 0°C ~ 70°C | - | - | Surface Mount | 44-TQFP (10x10) |
|
CMX638L4IC TELECOM INTERFACE 48LQFP |
188 | - |
|
Datasheet |
- | 48-LQFP | Tray | Active | RALCWI Vocoders | C-Bus | 1 | 3V ~ 3.6V | 17.5mA | 1.6 W | -40°C ~ 85°C | - | - | Surface Mount | 48-LQFP (7x7) |
|
CMX638Q3-TR1KIC TELECOM INTERFACE 48VQFN |
2,000 | - |
|
Datasheet |
- | 48-VFQFN Exposed Pad | Tape & Reel (TR) | Active | RALCWI Vocoders | C-Bus | 1 | 3V ~ 3.6V | 17.5mA | 1.75 W | -40°C ~ 85°C | - | - | Surface Mount | 48-VQFN (7x7) |
|
82V2081PPGIC TELECOM INTERFACE 44TQFP |
303 | - |
|
Datasheet |
- | 44-LQFP | Tray | Active | - | - | - | 3.13V ~ 3.47V | - | - | - | - | - | Surface Mount | 44-TQFP (10x10) |
|
82V2042EPFGIC TELECOM INTERFACE 80TQFP |
270 | - |
|
Datasheet |
- | 80-LQFP | Tray | Active | Line Interface Unit (LIU) | LIU | - | 3.13V ~ 3.47V | - | - | -40°C ~ 85°C | - | - | Surface Mount | 80-TQFP (14x14) |

