SI2415-D-FS 14.4 kbps ISOMODEM 16-SOIC | Skyworks
MPN： SI2415-D-FS ✓ 啟用中SI2415-D-FS 概覽
An ISOMODEM is a semiconductor implementation of a modem, combining modulation and demodulation functions with the control logic needed to communicate over a telephone or communications line. The SI2415 series is associated with the ISOMODEM product family, which provides a modem solution for systems operating with legacy V-series and Bell protocols. In a system-level design, the device sits between a host controller or data terminal and the line interface, where it manages modem signaling and data transfer functions.
The SI2415-D-FS is identified by Skyworks Solutions as a 14.4 kbps ISOMODEM system-side device. Its supported protocol set includes V.21, V.22, V.23, V.29, V.32, Bell 103, and Bell 212A. These standards cover asynchronous and synchronous modem operation used in telecommunications and data equipment, allowing the same IC family to address different line conditions and legacy communication environments.
The 16-SOIC package provides a surface-mount format suitable for production PCB assembly. The suffix -FS identifies the package and ordering configuration. Distributor records associate SI2415-D-FS with a tube package, while another supplier record reports a 16-SOIC case with a 3.90 mm body width. The exact electrical limits, operating temperature range, supply requirements, clocking method, and detailed register organization must be confirmed in the Si2415 manufacturer datasheet before final circuit design.
Typical applications include legacy telephone equipment, modem cards, industrial communications equipment, data terminal equipment, and embedded telecommunications controllers. In these applications, the SI2415-D-FS can handle modem protocol processing while the surrounding circuitry supplies the required interface functions. The IC is most appropriate when the target system already uses a compatible ISOMODEM architecture and supports the protocols listed for the SI2415 family.
When designing a replacement board, verify the package footprint, supply voltage, interface signals, crystal or timing requirements, and protocol compatibility against the original design. Do not assume that a similarly named SI2415 variant is interchangeable solely because it belongs to the same family. Use the manufacturer pin-description table and application information when assigning PCB nets and selecting supporting components.
直接替換替代品，適用於 SI2415-D-FS — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
SI2415-C-FS
✅ 直接替換聯絡詢價
查看資料表 →SI2415-D-FS 規格
| Product Type | System-side ISOMODEM modem IC |
| 資料速率 | 14.4 kbps |
| Supported Modem Standards | V.21, V.22, V.23, V.29, V.32, Bell 103, Bell 212A |
| 封裝 | 16-SOIC |
| Package Type | Surface-mount SOIC |
| Package Body Width | 3.90 mm |
| Manufacturer | Skyworks Solutions |
| Part Number | SI2415-D-FS |
| Packaging | Tube |
| 生命週期狀態 | Active |
| RoHS 狀態 | ROHS3 compliant |
| Moisture Sensitivity Level | MSL 3, 168 hours |
| Minimum Order Quantity | 1 unit |
| Reported Lead Time | 16 weeks |
| 類別 | Integrated Circuits (ICs) > Interface ICs > Modems - ICs |
SI2415-D-FS 3.90 mm 腳位配置指南
SI2415-D-FS（3.90 mm 封裝）的腳位配置。 腳位編號、功能與連接圖定義於製造商資料手冊中。請參閱該手冊以取得確切的封裝尺寸與焊接指引。
無詳細腳位定義資料： SI2415-D-FS.
請參閱 資料表 以查看完整腳位配置。
典型應用
SI2415-D-FS 適用於 6 應用s: Legacy Telephone Data Equipment, Industrial Modem Cards, Data Terminal Equipment, Embedded Telecommunications Controllers, Fax and Facsimile Interfaces, Remote Monitoring and Control.
Legacy Telephone Data Equipment
SI2415-D-FS fits legacy telephone and data equipment built around V.21, V.22, V.23, V.29, V.32, Bell 103, and Bell 212A modem behavior. Its 14.4 kbps system-side modem function places it between the host controller and the communications line interface. Designers should confirm timing, supply, and signal levels against the Si2415 datasheet. External isolation and line coupling remain dependent on the final telephone-network interface and should not be assumed to be integrated into the IC.
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Industrial Modem Cards
SI2415-D-FS is suitable for industrial modem cards that need a dedicated system-side ISOMODEM rather than a host modem implemented in general-purpose software. Its listed V-series and Bell protocol support provides compatibility with established telecommunications equipment. A 16-SOIC surface-mount package simplifies assembly into compact communications boards. The design must account for line-interface isolation, surge protection, grounding, and the electrical requirements listed in the Si2415 manufacturer documentation.
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Data Terminal Equipment
The SI2415-D-FS supports data terminal equipment requiring standardized modem signaling at 14.4 kbps. It can provide the modem-specific processing function while a host processor handles application data and device control. This division keeps communications protocol handling separate from the terminal's main workload. System designers should verify clocking or timing requirements, interface polarity, and the supported operating mode before finalizing the host-controller connection and line-side circuitry.
推薦
Embedded Telecommunications Controllers
SI2415-D-FS can serve as the modem engine inside an embedded telecommunications controller. The system-side ISOMODEM implementation supports several established V-series and Bell modem standards, allowing reuse across legacy communications products. Its 16-SOIC package is practical for compact surface-mount assemblies, although PCB fanout, exposed routing space, and decoupling must match the manufacturer layout guidance. Firmware selection and host signaling must align with the protocol configuration supported by the selected SI2415 variant.
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Fax and Facsimile Interfaces
SI2415-D-FS is applicable to facsimile and fax-related interfaces that rely on compatible legacy modem protocols, particularly V-series and Bell operating modes. It can support the modem communication layer while the surrounding fax controller handles image processing, document handling, and user interaction. Because the available package information identifies a 16-SOIC modem controller, engineers should confirm the specific signaling rates and call-control functions required by the fax system rather than assuming full fax-controller functionality.
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Remote Monitoring and Control
SI2415-D-FS can be used in remote monitoring equipment that must connect through a legacy modem network for configuration, status reporting, or service access. The supported protocol list enables interoperability with older telecommunications infrastructure, while the system-side modem role offloads communications handling from a main controller. Designers must add appropriate line protection, isolation, and surge withstand capability, and should confirm whether the target network provides the required signaling and data rates for each operating region.
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推薦產品摘要
工程參考資料，適用於 SI2415-D-FS — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | SI2415-C-FS |
|---|---|---|
| Package | 16-SOIC | 16-SOIC |
| Brand | Skyworks Solutions | Skyworks Solutions |
| Product Type | System-side ISOMODEM modem IC | ISOMODEM modem IC |
| Data Rate | 14.4 kbps | 14.4 kbps |
| Supported Standards | V.21, V.22, V.23, V.29, V.32, Bell 103, Bell 212A | SI2415 family modem standards; exact differences require datasheet confirmation |
| Series | SI2415 | SI2415 |
| RoHS Status | ROHS3 compliant | RoHS details listed |
主要差異化特點
- Matches the documented 16-SOIC system-side modem configuration (對比SI2415-D-FT)
- Supports seven listed V-series and Bell modem standards (對比SI2415-C-FS)
- Exact target package and tube configuration (對比SI2415-D-FTR)
設計說明
Use the 16-SOIC footprint specified by the Si2415 package drawing and preserve the manufacturer-recommended pin-1 orientation. Keep the modem clock, timing, supply, and ground connections short, and route sensitive communications nets away from switching nodes and high-current return paths. Because the complete pin description is not reproduced here, assign every PCB net from the manufacturer pin table before fabrication.
Place the required supply bypass capacitors close to the SI2415-D-FS supply and ground pins, using the capacitance, voltage rating, and placement specified in the Si2415 application information. Keep analog and communications return currents in a controlled ground path to reduce noise coupling into the modem interface. The exact supply voltage and allowable ripple must be taken from the manufacturer electrical tables rather than inferred from the 14.4 kbps data-rate designation.
Do not treat every SI2415 order code as an interchangeable replacement. The comparison results associate SI2415-D-FS with 16-SOIC while SI2415-D-FT and SI2415-D-FTR are associated with 24-TSSOP, and SI2415-C-FT is also identified as 24-pin TSSOP. Those parts require a different footprint. For SI2415-C-FS, verify pin functions, protocol behavior, electrical limits, and timing before approving it as a drop-in substitution.
A telephone-network modem board normally requires careful treatment of the line-side interface even when the SI2415-D-FS is described as a system-side device. Maintain separation between line-side and host-side circuits, provide the required isolation and surge protection, and follow the applicable safety and network-interface requirements. The IC's active status and RoHS compliance do not by themselves determine the compliance status of the completed modem product.
合規資訊
The product record states ROHS3 Compliant. No separate REACH, lead-free, halogen-free, conflict-minerals, or automotive qualification statement is available for the exact order code.