ICS512MI - 160MHz PLL Clock Multiplier | Renesas Electronics
부품 번호: ICS512MI ✓ 활성ICS512MI 개요
A PLL clock multiplier is a timing IC that derives one or more stable clock outputs from a lower-frequency reference. Its phase-locked loop compares the reference with an internal feedback signal and adjusts the generated output to maintain phase and frequency relationships. In the ICS512MI, the input can be a clock signal or crystal, while PLL bypass allows the system to select a direct clock path when required. This combination supports frequency conversion and clock distribution in computing, networking, communication, and industrial systems.
Principal features include a maximum clock frequency of 160 MHz, one clock-generation circuit, CMOS output, PLL capability with bypass, and a stated input-to-output ratio of 1:2. The 8-pin SOIC package provides a compact surface-mount form factor suitable for conventional PCB assembly. The device is positioned as a low-cost oscillator alternative when a system needs a high-quality multiplied clock or reference clock derived from a lower-frequency source.
Technically, the important design consideration is that the reference source, loop behavior, output stability, and bypass mode must all be evaluated as one clock-generation system. A crystal-connected design provides a stable reference, while an externally driven clock offers flexibility in systems that already have a reference available. The bypass path should be evaluated for startup sequencing, glitch behavior, and output-source transitions using the manufacturer’s recommended circuit and timing information.
Typical uses include processor and peripheral clock generation, communication-system reference clocks, network-interface timing, industrial control modules, and general-purpose frequency multiplication. The ICS512MI can be especially useful where replacing a higher-cost crystal oscillator with a programmable PLL-based clock source simplifies board-level frequency planning.
When laying out a PCB, route the input, feedback, ground, and clock-output paths with attention to return paths and switching-edge behavior. Follow the manufacturer datasheet for recommended crystal-load components, decoupling, grounding, and maximum operating conditions. Validate timing margin in the assembled system rather than relying only on nominal frequency figures.
This page combines the ICS512MI specifications, package details, practical clock-design guidance, and clearly qualified replacement information to support faster engineering evaluation and sourcing.
드롭인 대체품: ICS512MI — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: ICS512MI (동일 폼 팩터 및 풋프린트) — 차이점: Number of Circuits, Package.
ICS512MLFT
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
ICS512MI 사양
| Device Type | PLL clock multiplier |
| Maximum Frequency | 160 MHz |
| Number of Circuits | 1 |
| Input Type | Clock or crystal |
| 출력 유형 | CMOS |
| PLL | Yes, with bypass |
| Input-to-Output Ratio | 1:2 |
| 공급 전압 | 5 V |
| 패키지 | 8-pin SOIC |
| Package Width | 3.90 mm |
| Package Length | 0.154 in |
| Terminal Count | 8 |
| 실장 유형 | Surface mount |
ICS512MI 0.154 in 핀 구성 가이드
ICS512MI(0.154 in 패키지)의 핀 구성입니다. 핀 번호, 기능, 연결 다이어그램은 제조사 데이터시트에 정의되어 있습니다. 정확한 풋프린트와 솔더링 지침은 해당 문서를 참조하십시오.
다음에 대한 상세 핀아웃 데이터 없음: ICS512MI.
다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.
일반적인 애플리케이션
ICS512MI 적합 용도: 6 애플리케이션s: Network Interface Clock Generation, Processor and Peripheral Timing, Industrial Control Module Clocks, Communication Equipment Reference Clock, Data Acquisition and Timing Reference, General-Purpose Clock Tree.
Network Interface Clock Generation
The ICS512MI is suitable for supplying a multiplied or reference clock to network-interface and communication subsystems that require a stable timing source. Its maximum output frequency of 160 MHz, CMOS output, and PLL bypass provide the basic clocking functions needed by clock trees, while the 8-pin SOIC package simplifies assembly on conventional communication boards. Use a low-noise reference source and verify the design’s jitter, phase-noise, and edge-quality requirements against the complete clock architecture. The PLL path can produce a higher-frequency clock from a lower-frequency reference, whereas bypass mode can support direct reference distribution. Validate startup, lock behavior, and output transitions across every operating state before using it in a production network product.
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Processor and Peripheral Timing
The ICS512MI can serve as the clock-generation element for processor, controller, and peripheral clock trees that need a higher-frequency output derived from a lower-frequency reference. Its single PLL clock circuit, 160 MHz maximum frequency, and clock-or-crystal input flexibility make it useful in embedded industrial and control systems. The 8-pin SOIC footprint allows placement near the active circuitry and limits routing distance for sensitive clock edges. The design must include stable reference generation, suitable decoupling, and a ground arrangement that supports predictable PLL behavior. Bypass operation can be useful during initialization or when a system needs to route the source clock directly. Confirm acquisition time and output stability for the exact reference frequency before finalizing the timing budget.
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Industrial Control Module Clocks
The ICS512MI fits industrial control modules that need a compact clock source for sampling, communication, sequencing, and peripheral control. The 160 MHz maximum output and 1:2 input-to-output ratio support clock multiplication from an appropriate lower-frequency reference, while PLL bypass offers a direct-source path for system bring-up or dual-path sequencing. Its 8-pin SOIC package is widely compatible with industrial board assembly methods. For factory equipment, the reference oscillator and all timing components should be selected for the required temperature range and long-term stability. Because jitter and phase-noise values are not published in the available product summary, engineers should evaluate those characteristics against the control-loop and communication requirements using the manufacturer datasheet and application circuit.
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Communication Equipment Reference Clock
The ICS512MI can generate a high-quality reference or multiplied clock for communication equipment requiring deterministic CMOS clock outputs. The manufacturer describes the ICS512 as a cost-effective way to produce a high-frequency clock and reference clock from a lower-frequency crystal or clock input. PLL bypass increases flexibility when the system must switch between locked and direct clock paths. The device is appropriate for board designs where a dedicated high-frequency crystal oscillator would add cost or complicate sourcing, provided that the reference and loop parameters meet the system’s phase-noise requirements. Place the reference network and decoupling close to the IC, maintain a continuous return path for clock and ground, and verify eye margin at downstream receivers under worst-case temperature and supply conditions.
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Data Acquisition and Timing Reference
The ICS512MI can provide a deterministic clock reference for data-acquisition, test, and measurement systems that need a stable timing origin. Its single PLL circuit and clock-or-crystal input support both local crystal references and externally distributed clocks, while the CMOS output can feed counters, converters, or timing controllers. The 8-pin SOIC package is appropriate for a conventional instrument or industrial controller, although measurement accuracy may be limited by the reference and the device’s jitter. Use the PLL bypass path during calibration or source validation, and ensure the selected reference remains within the device’s specified operating conditions. Board-level validation should include clock-jitter measurement, supply sensitivity, temperature drift, and comparison against the acquisition system’s timing requirement.
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General-Purpose Clock Tree
The ICS512MI is useful in general-purpose clock trees where one lower-frequency reference must feed multiple timing functions or a higher-frequency CMOS domain. Its 160 MHz maximum output and PLL bypass provide a compact way to combine multiplication and direct-source routing in one 8-pin SOIC device. This makes the part suitable for embedded controllers, interface modules, and industrial peripherals that need local clock generation without a large oscillator assembly. The clock distribution network should provide short, controlled routes, adequate return paths, and termination appropriate to the edge rate. Verify source impedance, duty-cycle distortion, and power-supply rejection at the final load. The system designer should also account for clock enable and sequencing needs, because the ICS512MI’s bypass feature must be controlled in a way that produces acceptable transitions at every receiver.
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추천 제품 요약
엔지니어링 참조 데이터: ICS512MI — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | ICS512MLFT |
|---|---|---|
| Package | 8-pin SOIC | 8-pin SOIC |
| Brand | Renesas Electronics | Renesas Electronics |
| Device Type | PLL clock multiplier | ICS512-family PLL clock multiplier |
주요 차별점
- Combines PLL multiplication with direct bypass operation (vs ICS512MLFT)
- Supports flexible reference architecture (vs ICS512MLFT)
- Compact standard surface-mount integration (vs ICS512MLFT)
설계 노트
Place the clock input, crystal network, decoupling, and output routing close to the ICS512MI. Keep the clock return path continuous and avoid sharing return-current paths with noisy switching nodes. Follow the manufacturer’s recommended application circuit for crystal-load capacitance and component placement because PCB parasitic capacitance can materially affect oscillator startup and frequency accuracy.
Treat every PLL output edge as a high-speed signal even when its fundamental frequency is moderate. Route outputs over a continuous reference plane, minimize stubs, and use only terminations that preserve signal integrity at the actual load. Validate duty-cycle distortion, overshoot, ring, and jitter at the receiver because nominal frequency and logic-level specifications alone do not guarantee adequate downstream timing margin.
Do not assume that bypass mode is electrically interchangeable with a locked PLL output without checking startup and transition behavior. Confirm the reference frequency, input-to-output ratio, lock timing, and operating limits in the Renesas datasheet. Also distinguish the ICS512MI ordering code from other ICS512 suffixes before ordering, because package, temperature range, and shipping format can change with the suffix.
Place local supply and ground decoupling at the ICS512MI pins and provide a low-impedance connection to the reference source. The 5 V operating supply should be filtered if nearby digital or switching circuitry creates supply disturbances. Check the device’s current consumption and clock-output loading in the manufacturer specifications, then verify that supply droop does not disturb reference amplitude or PLL operation.
규정 준수 정보
Current manufacturer declarations for RoHS, REACH, AEC-Q100, lead-free status, halogen-free status, and conflict-minerals compliance were not identified in the retrieved product information. Confirm the status for the exact ICS512MI ordering code before production release.