ICS501AM - 200MHz PLL Clock Generator | Renesas Electronics
Référence : ICS501AM ✓ ActifICS501AM Présentation
A PLL clock generator is a timing IC that phase-locks its output to a reference source and multiplies the reference frequency to produce a stable, high-frequency clock. Within the broader semiconductor hierarchy, the ICS501AM belongs to the clock and timing IC family, specifically the clock-generator and PLL subcategory. Its role in electronic systems is to distribute a high-speed clock for digital logic, processors, communication equipment, and other clocked circuits while maintaining a defined relationship to the input reference.
The primary features of the ICS501AM are its maximum output frequency of 200 MHz, single-clock-generator configuration, 1:1 input-to-output ratio, PLL architecture, and CMOS output. The ability to operate from either a crystal or external clock gives the device flexibility in clock-tree design. Its 8-SOIC surface-mount package also allows relatively compact PCB placement compared with larger through-hole oscillator arrangements. These characteristics make the part useful where frequency generation, standard logic voltage compatibility, and manageable board area are important.
Technically, the ICS501AM uses a phase-locked loop to generate a higher-quality clock output from a lower-frequency reference. The PLL-based approach provides a controlled relationship between the input reference and generated output, while the CMOS output supports integration with conventional digital timing circuits. The 1:1 ratio identifies the device as a clock-generation solution rather than a programmable integer or fractional-N frequency synthesizer. Exact input frequency limits, operating-voltage range, output jitter, and load-drive capability should be confirmed in the manufacturer datasheet before final circuit release.
Typical applications include digital control systems, embedded processing platforms, communication modules, industrial control equipment, and general-purpose clock-distribution designs. In each case, the part can serve as the central clock source when a higher-frequency CMOS clock is required and a crystal or lower-frequency reference is already present. The absence of differential inputs or outputs also simplifies point-to-point clock routing, although signal-integrity and return-path design remain important at high clock rates.
When laying out a design using the ICS501AM, keep the crystal, reference clock, feedback network, and decoupling paths consistent with the manufacturer reference configuration. Confirm all capacitance, drive-strength, and grounding requirements before fabrication because incorrect peripheral-component values or long loop lengths can affect PLL stability and clock quality. Validate startup, jitter, and output amplitude across temperature and supply-voltage corners rather than relying only on nominal simulation results.
This product page combines the ICS501AM clock-generator specifications, verified package information, compatible same-family ordering options, and practical integration guidance. It provides engineers with a concise basis for initial design selection while directing detailed timing, electrical-limit, and qualification decisions to the Renesas manufacturer documentation.
Alternatives de remplacement direct pour ICS501AM — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
ICS501AMILFT
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
ICS501AMIT
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
ICS501AM Spécifications
| Product Type | PLL clock generator |
| Maximum Output Frequency | 200 MHz |
| Number of Clock Circuits | 1 circuit |
| Input Type | Crystal or clock input |
| Type de sortie | CMOS |
| Input-to-Output Ratio | 1:1 |
| PLL | Yes |
| Differential Input | No |
| Differential Output | No |
| Boîtier | 8-pin SOIC, 3.90 mm width |
| Type de montage | Surface mount |
| Statut RoHS | Non-compliant |
Guide de configuration des broches du ICS501AM 8-pin soic, 3.90 mm width
Configuration des broches du ICS501AM (boîtier 8-pin soic, 3.90 mm width). La numérotation des broches, les fonctions et les schémas de connexion sont définis dans la fiche technique du fabricant. Consultez-la pour l'empreinte exacte et les directives de soudage.
Aucune donnée de brochage détaillée disponible pour ICS501AM.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
ICS501AM convient pour 6 applications: Digital Logic Clock Tree, Communication Equipment Timing, Industrial Control Systems, Embedded Processor Clocking, Test and Measurement Instrumentation, Programmable Logic Clocking.
Digital Logic Clock Tree
The ICS501AM fits digital logic clock trees that require a single-ended CMOS clock at up to 200 MHz from a crystal or external reference. The 1:1 ratio and non-differential interface simplify distribution compared with differential clock architectures. Place the device close to the reference source and route the clock through a controlled impedance path, while observing output-loading and timing requirements from the manufacturer datasheet. Its 8-SOIC package supports compact surface-mount construction, and the PLL approach provides a systematic way to derive a high-frequency clock from a lower-frequency source. Confirm startup behavior and reference-network values during prototype validation.
Recommandé
Communication Equipment Timing
The ICS501AM can provide the central CMOS timing reference for communication equipment built around single-ended digital logic. Its maximum output frequency of 200 MHz supports high-speed internal clocking, while the crystal or external-clock input offers flexibility in reference architecture. The non-differential output reduces component and routing complexity for moderate-speed internal clock trees. Ensure the clock route has a continuous return path and validate edge quality at the receiver, especially where source-synchronous interfaces operate close to the generator's maximum frequency.
Recommandé
Industrial Control Systems
The ICS501AM is appropriate for industrial control assemblies requiring a deterministic, compact clock source in an 8-SOIC package. A crystal reference can support a stable system clock, while an external reference allows synchronization with a broader control architecture. The 200 MHz maximum output supports digital processors, programmable logic, and high-speed interface blocks without requiring a large oscillator package. Validate operation across the intended industrial temperature range, power-supply tolerance, and grounding environment before production release.
Recommandé
Embedded Processor Clocking
The ICS501AM can serve as the PLL clock source for an embedded processor or programmable-logic design that requires a CMOS clock above common low-frequency crystal rates. Supporting either a crystal or external clock input lets the designer select the reference architecture that best matches stability and startup requirements. The single-ended 1:1 interface is straightforward to integrate with conventional digital clock inputs. Check processor clock-input limits, PLL multiplication capability, maximum operating frequency, and bypass behavior during hardware bring-up.
Recommandé
Test and Measurement Instrumentation
The ICS501AM is suitable for instrumentation clock trees that need a compact, single-ended CMOS timing source with output capability up to 200 MHz. It can support sampling systems, state machines, counters, and data-conversion sequencing where a stable reference relationship is needed. The 8-SOIC format permits placement near timing-critical circuitry and reduces board area compared with larger oscillator packages. For measurement accuracy, evaluate clock edge quality, output jitter, supply sensitivity, and isolation from noisy analog sections rather than considering maximum frequency alone.
Recommandé
Programmable Logic Clocking
The ICS501AM can supply a high-speed clock to programmable logic or other synchronous digital blocks requiring a reference-linked CMOS waveform. A 200 MHz ceiling and 1:1 ratio suit clock trees built around compatible logic families, while the 8-SOIC footprint simplifies routing to device clock pins. Confirm the logic family's voltage tolerance and clock-input timing requirements, and place bypass capacitance close to the power pins. Account for board delay and skew when deciding whether the clock should be distributed through a dedicated buffer.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour ICS501AM — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | ICS501AMILFT | ICS501AMIT |
|---|---|---|---|
| Package | 8-SOIC | 8-SOIC - same | 8-SOIC - same |
| Brand | Renesas Electronics | Renesas Electronics | Renesas Electronics |
| Product Type | PLL clock generator | PLL clock generator | PLL clock generator |
| PLL Architecture | Yes | Yes | Yes |
Principaux différenciateurs
- Same-family ordering alternatives preserve the established clock-generator architecture (vs ICS501AMILFT)
- Single-ended CMOS output reduces clock-tree interface complexity (vs ICS501AMIT)
- Compact 8-SOIC construction supports space-constrained digital designs (vs ICS501AMILFT)
Notes de conception
Place the ICS501AM, crystal, decoupling capacitors, and any required feedback components according to the manufacturer reference layout. Keep the clock output route short, provide a continuous ground reference beneath the route, and avoid switching-regulator nodes and high-current return paths. If a crystal is used, minimize connection length and ground coupling around the oscillator pins. Confirm footprint dimensions and pin numbering against the 8-SOIC mechanical drawing before releasing artwork.
Validate clock-edge quality at the receiving device rather than relying only on the generator's 200 MHz maximum rating. Account for trace loss, load capacitance, slew rate, clock skew, and the receiver's input threshold in the timing budget. If the clock fans out to multiple loads, use an appropriate clock-buffer structure instead of daisy-chaining outputs. Simulation and oscilloscope measurements should include startup and worst-case supply conditions.
Do not select an ordering-code alternative solely because it shares the clock-generator function and package. Confirm pin functions, crystal-load requirements, supply range, temperature grade, PLL configuration, lifecycle status, and qualification requirements for ICS501AMILFT or ICS501AMIT. Keep the exact manufacturer ordering code under change control and avoid replacing a crystal or reference source without recalculating the timing and component values.
Decouple the supply pins with the capacitance and placement specified by the manufacturer, then check supply ripple at the IC rather than only at the power-source connector. PLL and clock circuits can convert supply variation into timing variation even when the nominal output frequency appears correct. Keep sensitive analog or reference sections separated from noisy switching paths, and verify startup sequencing when the clock source shares a rail with other loads.
Informations de conformité
The ICS501AM product listing identifies the device as RoHS non-compliant. Other compliance attributes and the IT-grade qualification status require confirmation from the manufacturer documentation.