ICS343MP - 200MHz Triple-Output Clock Synthesizer | Renesas
料号： ICS343MP ✓ 量产中ICS343MP 概述
A clock synthesizer is a timing IC that accepts a reference frequency and uses one or more phase-locked loops to produce stable, independently configurable clock outputs. The ICS343 belongs to the clock generator and PLL hierarchy within the broader clock and timing IC category. Its three-output architecture can replace multiple discrete oscillators or divider networks when a board requires several related frequencies from one reference source.
The ICS343MP provides three programmable outputs, PLL-based frequency synthesis, LVCMOS output signaling, and maximum frequency operation of 200 MHz. Separate output divide values from 2 through 20 allow the output clock banks to support widely different frequencies from the same reference. These features make the device useful where a system needs flexible clock partitioning without allocating a separate synthesizer for every rail.
Its architecture supports low-cost field-programmable clock generation from a crystal or clock source. Independent output programming is particularly valuable in mixed-signal, communications, and data-conversion systems where the processor, serial interface, and peripheral blocks may not require the same frequency. The 8-SOIC package also offers a familiar surface-mount footprint for designs that must support external oscillators or frequency dividers.
Typical applications include processor and interface clocking, communications modules, industrial automation equipment, test and measurement instrumentation, and embedded control systems. In each case, the synthesizer can centralize reference distribution while allowing output frequencies and divide ratios to be selected during configuration. The result is a smaller clock tree and potentially fewer discrete timing components.
Designers should evaluate loop bandwidth, output jitter, supply requirements, and board-level noise using the manufacturer's application guidance before high-volume release. Reference-crystal layout, grounding, and output-routing practices are especially important in low-jitter systems. Because output-edge quality depends on the complete clock tree, PCB trace geometry and supply decoupling should be evaluated together with the programmed divider and PLL settings.
This product page consolidates the device classification, functional characteristics, sourcing information, and engineering-oriented usage guidance. It also distinguishes the verified ICS343MP configuration from related suffix variants and identifies the limitations of the available replacement records, helping engineers make a more informed drop-in decision without treating broadly similar clock ICs as electrically interchangeable.
直接替换替代料： ICS343MP ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： ICS343MP （相同外形与封装尺寸） ——差异在于 Architecture, Number of Outputs, PLL, Package.
343MPLF
✅ 直接替换📋 参考替代料（不在目录中）
343MIPLF
✅ 直接替换📋 参考替代料（不在目录中）
ICS343MP 规格参数
| Product Type | Field-programmable triple-output clock synthesizer |
| Architecture | VersaClock clock synthesizer |
| Maximum Output Frequency | 200 MHz |
| Minimum Output Frequency | 250 kHz |
| 输出数量 | 3 outputs |
| PLL | Yes; up to three independently configurable PLLs |
| Input Type | Clock or crystal |
| Output Logic Type | LVCMOS |
| Output Divide Range | 2 to 20 |
| 封装 | 8-SOIC |
| Package Width | 3.90 mm |
| 安装类型 | Surface mount |
| RoHS Compliance | unknown |
| REACH Compliance | unknown |
| AEC-Q100 Qualification | not_applicable |
ICS343MP 3.90 mm 引脚配置指南
ICS343MP（3.90 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： ICS343MP.
请参阅 数据手册 以查看完整引脚配置。
典型应用
ICS343MP 适用于 6 应用s: Communications Module Clocking, Processor and Peripheral Clock Distribution, Industrial Automation Timing, Test and Measurement Instrumentation, Data Acquisition and Conversion Systems, Network and Edge Equipment.
Communications Module Clocking
The ICS343MP fits communications modules that need several related clocks but have limited board area. Its three independently programmable outputs can derive clocks for a processor, serial interface, and peripheral block from one crystal or external reference, reducing the number of separate oscillator packages. The 200 MHz maximum output frequency supports higher-speed digital interfaces, while programmable divide values from 2 through 20 allow widely separated output rates. Designers should minimize reference-loop area, maintain a clean supply rail, and route each LVCMOS clock away from switching-node return currents.
Processor and Peripheral Clock Distribution
The ICS343MP is appropriate for embedded systems in which processor, bus, and peripheral timing do not all use the same frequency. Three independently programmable outputs replace a collection of oscillators and dividers, while the 8-SOIC package supports compact surface-mount layouts. The clock synthesizer can accept either a crystal or an external clock source, allowing the design to follow the system's reference architecture. Validate PLL bandwidth, output-edge requirements, and the final divide settings against the manufacturer's datasheet before production use.
Industrial Automation Timing
Industrial automation equipment often combines controller logic, communication circuitry, and data-conversion blocks that require coordinated clocking. The ICS343MP generates up to three programmable outputs from one reference and covers frequencies from 250 kHz to 200 MHz, allowing a compact controller design to serve several timing domains. In machinery, the device should be paired with careful grounding, short reference routing, and supply filtering. Its industrial suitability must be confirmed from the ordering information and temperature rating rather than assumed from the function alone.
Test and Measurement Instrumentation
Test and measurement instruments benefit from multiple internally related clocks for acquisition, conversion, control, and communication sections. The ICS343MP's triple-output VersaClock architecture can provide independently programmed frequencies up to 200 MHz from one stable reference, simplifying synchronization across instrument subsystems. For sensitive measurements, evaluate output jitter and reference quality using the manufacturer's data, keep supply decoupling close to the device, and use controlled impedance routing to avoid degradation of clock edges.
Data Acquisition and Conversion Systems
Data-acquisition systems may require a sampling clock, interface clock, and processor reference derived from a common source. The ICS343MP can supply three programmable LVCMOS outputs and supports output divide ratios from 2 through 20, making it useful when the converter and digital sections need related but nonidentical rates. Use short, direct clock traces and maintain a continuous ground reference beneath the device. Confirm output jitter, supply voltage, and temperature limits against the system requirements before selecting the exact suffix.
Network and Edge Equipment
Edge gateways and compact network equipment often need several clock domains for a communications processor, memory interface, and status peripherals. The ICS343MP consolidates these requirements into an 8-SOIC clock synthesizer capable of three independently programmed outputs and a maximum frequency of 200 MHz. This can reduce oscillator count and simplify clock-tree documentation. In compact systems, pay particular attention to reference-crystal placement, power-supply return paths, and isolation from Ethernet or radio-interface switching circuitry to protect timing quality.
工程参考数据： ICS343MP ——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 | 343MPLF | 343MIPLF |
|---|---|---|---|
| Brand | Renesas Electronics | Renesas Electronics | Renesas Electronics |
| Package | 8-SOIC | 8-SOIC - same | 8-SOIC - same |
| Product Type | Triple-output field-programmable clock synthesizer | VersaClock clock synthesizer | VersaClock clock synthesizer |
| Maximum Output Frequency | 200 MHz | 200 MHz | 200 MHz |
| Minimum Output Frequency | 250 kHz | 250 kHz | 250 kHz |
| Number of Outputs | 3 outputs | 3 outputs | 3 outputs |
| Output Logic | LVCMOS | LVCMOS | LVCMOS |
| Output Divide Range | 2 to 20 | 2 to 20 | 2 to 20 |
| Input Type | Clock or crystal | Clock or crystal | Clock or crystal |
关键差异点
- Three independently programmable clock outputs （对比 343MPLF)
- Compact 8-SOIC implementation （对比 343MIPLF)
- Single-reference multi-clock architecture （对比 343MPLF)
设计说明
Place the ICS343MP close to the crystal or external clock source and keep the reference path short. Follow the manufacturer's reference-circuit layout, including the specified load capacitance and grounding arrangement. A long or poorly terminated reference path can degrade phase noise and make output behavior less predictable across PCB revisions.
Route each LVCMOS clock output as a controlled-impedance transmission line when its endpoint, length, or edge rate requires it. Avoid routing clock nets beneath switching regulators, inductors, or other high-current paths, and provide a continuous ground reference beneath the traces. Confirm the receiver's input capacitance and the PCB stack-up before finalizing output termination.
Place the required input and output capacitors close to their associated device pins and maintain a low-impedance ground return. Program the PLL and divider values only after confirming that the selected reference frequency satisfies the synthesizer's operating conditions. Validate supply tolerance, startup behavior, and clock outputs across the full intended temperature range.
合规信息
No explicit compliance declarations for RoHS, REACH, lead-free construction, halogen-free construction, or conflict-minerals reporting were identified. The device is a clock and timing IC rather than an automotive-qualified AEC-Q100 product unless a specific ordering option states otherwise.
