KSZ8381Q - VoIP ATA ASSP with Voice Codecs | Microchip
料号： KSZ8381Q ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
KSZ8381Q 概述
A VoIP ATA ASSP is an application-specific processor optimized to control packetized voice endpoints and perform protocol-oriented signal processing. In the product hierarchy, an ASSP belongs to application-specific semiconductors, processors, network controller and processor ICs, and VoIP interface or telecom ICs. Integrating voice codec functionality into the same PQFP device can reduce the number of surrounding components required by a voice terminal design while providing a vendor-defined control interface for carrier-grade telephone adapters and related VoIP equipment.
The strongest verified product facts are the Microchip Technology manufacturer name, the KSZ8381Q MPN, its classification as a VoIP IP phone ASSP with voice codecs, and its 128-PQFP package. Distributor listings categorize it variously as a telecom IC, telecom circuit, or network controller and processor IC. This indicates a specialized networking and telecom role, but the supplied snippets do not define the supported media types, SIP or H.323 protocol set, channel count, LAN interface, audio interface, clocking requirements, firmware environment, or power rails.
The KSZ8381Q is relevant to embedded voice gateways, IP telephone adapters, voice terminals, digital PBX interfaces, and other packet-telephony products. Suitability cannot be established from the category alone: an engineer must confirm firmware, host interface, audio topology, magnetics, timing, supply rails, thermal margin, and regulatory requirements against the official Microchip documentation. These checks are especially important because an ASSP is less interchangeable than a general-purpose processor and is usually supported by a device-specific software stack.
Package-level planning is also incomplete from the supplied data. The verified 128-PQFP outline can support a detailed footprint, but pin names, exposed-pad status, dimensions beyond 14 mm by 20 mm, pin pitch, soldering profile, and thermal resistance require the official package drawing. Power and clock design should not be inferred from another Microchip PHY or controller. Treat the KSZ8381Q as an opaque application-specific block until its complete datasheet, hardware guide, errata, and reference design are obtained.
This page synthesizes the verified distributor classifications, package information, sourcing links, and unresolved engineering fields. It does not import unverified parameters from KSZ8001L, KSZ8862, KSZ8851, or unrelated site MPNs. For procurement, request a quote rather than relying on a single distributor's landing-page price, and obtain the exact Microchip ordering information before committing the design to production.
KSZ8381Q 规格参数
| Device Type | VoIP IP Phone ASSP |
| Integrated Function | Voice codec |
| Manufacturer | Microchip Technology |
| Product Category | Telecom IC |
| Secondary Product Category | Network controller and processor IC |
| Application Category | VoIP ATA |
| Package Type | 128-pin PQFP |
| Package Designation | 128-PQFP |
| Package Length | 20 mm |
| Package Width | 14 mm |
KSZ8381Q 14 mm 引脚配置指南
KSZ8381Q（14 mm 封装）的引脚配置。 引脚编号、功能和连接图在制造商数据手册中定义。请参阅该手册以了解确切的封装尺寸和焊接指南。
暂无详细引脚数据： KSZ8381Q.
请参阅 数据手册 以查看完整引脚配置。
典型应用
KSZ8381Q 适用于 6 应用s: VoIP IP Phone, Analog Terminal Adapter, Packet Voice Gateway, Digital PBX Line Card, Voice Terminal Controller, Embedded VoIP Control Module.
VoIP IP Phone
The KSZ8381Q is a candidate for a packet-telephony telephone because verified distributor listings describe it as a VoIP IP Phone ASSP with voice codec functionality. That role can align with a design that needs a vendor-defined controller for packet voice and local telephone-interface behavior. The supplied evidence does not confirm channel count, codec format, audio bus, handset interface, keypad/display control, protocol stack, or Ethernet rate, so engineers must verify those requirements before schematic capture. The 128-PQFP package is documented at 14 mm by 20 mm, but its pitch, pinout, power rails, and thermal data remain unavailable.
Analog Terminal Adapter
An analog terminal adapter is the closest verified functional context for the KSZ8381Q because the product is categorized as a VoIP ATA ASSP. The device may consolidate application-specific packet-voice processing and voice codec functions needed around a line-side terminal interface. Adoption is conditional on confirming supported signaling, media codecs, host interfaces, line-side audio architecture, clocking, and firmware. The supplied sources do not provide analog telephone parameters, hook-state interfaces, ring voltage, codec resolution, or channel capacity, so no electrical line-design assumptions should be made from the category alone.
Packet Voice Gateway
The KSZ8381Q may be evaluated for a packet voice gateway when its undocumented VoIP ASSP resources match the required signaling, media, and voice-codec functions. Such gateways commonly need deterministic real-time behavior, but the supplied snippets contain no CPU architecture, clock rate, memory capacity, interface map, or protocol list. Consequently, throughput and latency cannot be estimated from the product name. A responsible design review starts with the official datasheet and software documentation, then checks interoperability, firmware lifecycle, thermal margin, and whether the 128-PQFP assembly is practical for the enclosure.
Digital PBX Line Card
A digital PBX line card is another potential evaluation target because voice codec functionality can be relevant to endpoint and line-card signal processing. The verified material does not establish how many channels the KSZ8381Q supports, whether it includes line drivers, what audio interface it exposes, or whether its firmware supports the intended switching and signaling environment. The 128-PQFP package provides a defined mechanical starting point at 14 mm by 20 mm, but high-density routing cannot begin without an authoritative pinout and complete electrical specifications.
Voice Terminal Controller
The KSZ8381Q may fit a dedicated voice terminal controller architecture if its application-specific processor, codec, and host peripherals match the product. Using an ASSP can simplify the software organization for a narrowly defined endpoint, but it also creates supplier-specific firmware and support dependencies. The supplied data confirms neither general-purpose processor features nor downloadable media resources. Engineers should verify boot flow, firmware protection, field update method, watchdog behavior, host protocol, and recovery strategy before deciding whether a more flexible processor-based design is preferable.
Embedded VoIP Control Module
The KSZ8381Q can be investigated for an embedded VoIP control module that combines packetized-voice handling with a telephone-oriented feature set. Its verified VoIP IP Phone ASSP classification and integrated voice codec designation make it more targeted than a generic communications controller. However, the source data does not specify interfaces such as Ethernet, USB, PCM, I2S, SPI, host processor ports, or memory controllers. Schematic, firmware, and thermal feasibility therefore depend on obtaining complete Microchip documentation rather than relying on the marketplace category labels.
工程参考数据： KSZ8381Q ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 |
|---|---|
| Brand | Microchip Technology |
| Package | 128-PQFP, 14 mm x 20 mm |
| Device Classification | VoIP IP Phone ASSP |
| Integrated Voice Codec | Yes, according to verified distributor listing |
关键差异点
- Verified VoIP-specific device classification （对比 KSZ8862-16MQL-FX)
- Verified package body size （对比 KSZ8862-16MQL-FX)
- Targeted application positioning （对比 KSZ8851-16MQL)
设计说明
Do not begin PCB power planning from related Microchip network devices. The verified KSZ8381Q snippets do not state core voltage, I/O voltage, current limits, sequencing, or power-pin names. Obtain the official datasheet and hardware guide, identify every supply domain and its tolerance, then size regulators and local decoupling from those verified limits. Estimated: no power dissipation value is provided because the necessary voltage and current inputs are unavailable.
The only verified mechanical facts are a 128-PQFP package and a 14 mm by 20 mm body size. Pin pitch, courtyard, solder-mask clearance, land pattern, and whether the package has an exposed thermal pad remain unverified. Do not infer a footprint from the generic package name or from another Microchip PQFP. Download the official package drawing and cross-check every terminal before releasing copper, solder paste, or assembly documentation.
Clocking, Ethernet, voice-codec, and power interfaces may impose layout constraints, but the supplied data confirms none of their detailed topologies. Treat KSZ8381Q as an opaque block until the official pinout and reference design are available. After documentation review, separate noisy or high-current paths appropriately, provide local return paths, and reproduce the manufacturer's reference stack-up and termination arrangements. Signal-integrity limits cannot be calculated from the verified snippets alone.
The most likely procurement and design mistake is treating KSZ8862-16MQL-FX or KSZ8851-16MQL as drop-in alternatives merely because comparison pages associate them with Microchip and PQFP-128 packaging. Same package count does not prove pin compatibility, protocol support, firmware compatibility, or electrical equivalence. Require an official cross-reference, complete pin table, lifecycle statement, and application review before approving any substitution.
合规信息
A reseller snippet contains a RoHS label, but no formal declaration or test evidence was supplied. All compliance fields remain unknown until traceable manufacturer or authorized-distributor documentation is obtained.
