ICS348RP - 200MHz Quad-PLL Clock Synthesizer | Renesas
MPN: ICS348RP ✓ सक्रियICS348RP अवलोकन
A clock generator is an integrated circuit that creates one or more timing references from a stable source. A frequency synthesizer extends this function by multiplying, dividing, or otherwise transforming a reference frequency. The ICS348RP places four PLLs and multiple output stages in one timing IC, allowing a system to distribute related reference and working clocks while avoiding a collection of separate oscillator and divider circuits.
The ICS348RP supports a crystal or clock input, includes PLL bypass capability, and can produce as many as nine clock outputs. These characteristics make it useful where a board needs several coordinated frequencies for processors, memory, serial links, converters, or data-conversion equipment. Because the device is field programmable, system designers can configure output behavior rather than relying only on fixed factory frequencies.
Its quad-PLL architecture provides the central mechanism for deriving multiple clock outputs from a common low-frequency reference. Maintaining a shared reference can simplify synchronization across subsystems and reduce the number of separate frequency-generation components. The bypass path is important during development because it provides a way to evaluate clock-source conditions without relying on every PLL operating at once.
Typical applications include communications equipment, test and measurement instruments, industrial control systems, data-acquisition modules, and embedded computing platforms. The device is especially relevant when a design needs several related high-frequency outputs but has limited board space or wants to centralize clock generation in one programmable component.
Layout should preserve short, controlled clock paths and place support components near their associated pins. Differential and high-speed routing requires careful return-path planning, while power and ground distribution should remain stable across the clock-generation domain. Designers should verify output frequency, jitter, phase relationship, and bypass behavior against the final system timing budget.
This product page organizes the key clock-synthesis facts, package information, practical use cases, and engineering guidance for ICS348RP. It also highlights the distinction between electrical substitutes and package-only order-code variants so procurement and design teams can evaluate compatibility correctly before making an engineering change.
के लिए ड्रॉप-इन विकल्प ICS348RP — समान पैकेज, पिन-टू-पिन संगत। PCB रीवर्क आवश्यक करने वाले भिन्न-पैकेज पार्ट्स शामिल नहीं हैं।
इस उत्पाद के लिए कोई drop-in alternatives उपलब्ध नहीं।
विकल्प अनुरोध करेंICS348RP विशेषताएं
| Product Type | Field-programmable clock synthesizer |
| PLL Architecture | Quad PLL |
| Maximum Output Frequency | 200 MHz |
| Maximum Number of Outputs | 9 outputs |
| Output Logic Type | LVCMOS |
| Input Types | Crystal or external clock |
| PLL Bypass | Supported |
| Device Family | VersaClock synthesizer |
| पैकेज | 20-pin QSOP/SSOP |
| Package Width | 3.90 mm |
| माउंटिंग प्रकार | Surface mount |
ICS348RP 3.90 mm पिन कॉन्फ़िगरेशन गाइड
ICS348RP (3.90 mm पैकेज) के लिए पिन कॉन्फ़िगरेशन। पिन नंबरिंग, फ़ंक्शन और कनेक्शन आरेख निर्माता डेटाशीट में परिभाषित हैं। सटीक फुटप्रिंट और सोल्डरिंग दिशानिर्देशों के लिए इसे देखें।
इसके लिए कोई विस्तृत pinout data उपलब्ध नहीं: ICS348RP.
देखें डेटाशीट पूर्ण पिन कॉन्फ़िगरेशन के लिए।
सामान्य अनुप्रयोग
ICS348RP के लिए उपयुक्त है 6 अनुप्रयोगs: Communications Module Clocking, Industrial Control and Automation, Test and Measurement Instrumentation, Data Acquisition and Conversion, Embedded Processor Platforms, Synchronized Data Processing.
Communications Module Clocking
The ICS348RP fits communications modules that need multiple related clock outputs rather than one isolated oscillator. Its four PLLs, maximum 200 MHz operating frequency, and capability to generate up to nine outputs allow a common reference to feed data converters, serial interfaces, processors, and other timing-sensitive blocks. A crystal or external clock can serve as the reference, while PLL bypass provides a useful diagnostic path during initialization. The primary design benefit is centralized clock planning: engineers can assign outputs to different functional domains while retaining a shared frequency relationship. Final suitability depends on the required output frequencies, jitter, channel timing, supply conditions, and receiver specifications, which should be checked against the manufacturer datasheet and validated at each endpoint.
अनुशंसित
Industrial Control and Automation
Industrial controls often combine a processor, data converters, communication links, and timing-sensitive peripherals that need predictable clock relationships. The ICS348RP can centralize those references in a programmable quad-PLL device capable of producing up to nine outputs with frequencies up to 200 MHz. A crystal input is useful where long-term frequency stability is required, while an external clock input allows the module to synchronize with a higher-level system reference. PLL bypass helps isolate source and distribution problems during commissioning. For factory equipment, designers should still verify industrial temperature requirements, supply-voltage tolerance, electromagnetic compatibility, and output jitter before releasing the design for production use.
अनुशंसित
Test and Measurement Instrumentation
Test and measurement instruments often require several clock domains for acquisition, conversion, computation, and communication. The ICS348RP supports up to nine programmable outputs and a maximum frequency of 200 MHz, making it useful when a single reference must feed multiple functional blocks. The four-PLL arrangement permits related output frequencies to be organized around one timebase, reducing clock-source proliferation. For instrumentation, the bypass path can assist controlled troubleshooting, while the field-programmable architecture allows output assignments to be revised more readily than with a fixed oscillator. Engineers should budget the overall timing closure across ADC and DAC clock latency, serial-link margins, board skew, and the jitter contribution from every clock-consuming device.
अनुशंसित
Data Acquisition and Conversion
Data-acquisition cards can benefit from centralized clock generation when converters, control processors, and digital interfaces must operate from coordinated references. The ICS348RP accepts a crystal or external clock and generates up to nine LVCMOS outputs, allowing a compact timing architecture for multiple converter channels and support logic. At rates up to 200 MHz, the device supports systems that need more than a simple low-speed oscillator. The design challenge is maintaining a consistent clock topology across the card: route outputs according to their jitter and isolation requirements, match trace lengths where the interface specification calls for it, and verify converter aperture requirements separately from general processor timing. PLL bypass is valuable for separating reference-quality problems from downstream logic failures.
अनुशंसित
Embedded Processor Platforms
The ICS348RP is appropriate for embedded platforms that need more clock outputs than a processor's internal oscillator can economically provide. Its programmable quad-PLL design can derive multiple related frequencies from one crystal or clock source, covering processor, storage, communications, and peripheral clock requirements in a single 20-pin package. Up to nine outputs provide capacity for designs with several timing domains, and PLL bypass can simplify clock initialization and validation. The external clock option also permits synchronization with another board-level timing domain. Before implementation, confirm the processor's input tolerance, required duty cycle, maximum operating frequency, and sequencing requirements, and ensure each output remains within the clock-synthesizer's electrical and timing limits across the intended supply and temperature conditions.
अनुशंसित
Synchronized Data Processing
The ICS348RP can support systems where several processors, converters, and serial links must exchange data while sharing a stable timing relationship. A common reference feeding up to nine outputs simplifies synchronization compared with independent oscillators that can drift relative to one another. The four-PLL architecture supports programmable frequency generation, while the maximum 200 MHz output rate covers demanding digital timing domains. For robust implementation, define which clocks may share a PLL and which require independent phase relationships, then account for deterministic and random jitter separately. Preserve continuous return paths under high-speed outputs and observe any required trace-length matching. PLL bypass should be included in validation plans so engineers can isolate reference failures from downstream processing errors during production test.
अनुशंसित
अनुशंसित उत्पादों का सारांश
के लिए इंजीनियरिंग संदर्भ डेटा ICS348RP — तुलना, डिज़ाइन मार्गदर्शन और अनुपालन जानकारी।
चयन गाइड
विकल्पों के साथ तुलना
| पैरामीटर | यह उत्पाद |
|---|---|
| Manufacturer | Renesas Electronics |
| Brand | Renesas Electronics |
| Package | 20-pin QSOP/SSOP |
| Product Type | Field-programmable clock synthesizer |
| PLL Count | 4 PLLs |
| Maximum Output Frequency | 200 MHz |
| Maximum Output Count | 9 outputs |
| Output Logic | LVCMOS |
| Reference Input | Crystal or external clock |
| PLL Bypass | Supported |
मुख्य विशेषताएँ
- Nine-output clock-generation capacity (बनामICS348RPT)
- Shared 200 MHz timing capability (बनामICS348RPT)
- Integrated diagnostic clock path (बनामICS348RPT)
डिज़ाइन नोट्स
Place the reference-source components and clock output connections according to the manufacturer pin-description table and reference layout. Keep clock traces short, route them over a continuous ground plane, and avoid unnecessary reference-plane transitions. If outputs must cross split planes, provide a defined return path because a discontinuity can introduce cycle-to-cycle jitter that does not appear in a simple trace-length calculation.
Build the clock-distribution topology around each receiver's input impedance, load, and timing tolerance rather than treating every output as interchangeable. Terminate unused outputs according to the datasheet guidance, observe trace-length matching requirements where applicable, and keep clock routes away from high-current switching nodes. Validate rise time, fall time, duty cycle, and jitter at the endpoints after the complete board is assembled.
Do not treat the ICS348RPT suffix as a different functional clock device; it is a packaging order variant of the ICS348RP. Conversely, a component sharing the 20-pin package should not be considered a drop-in replacement without checking pin assignments, programming interface, reference input, output count, frequency range, and timing performance. Use PLL bypass during bring-up to distinguish reference-clock problems from downstream PLL or load issues.
अनुपालन जानकारी
The ICS348RP manufacturer datasheet and product listings do not state the requested compliance status. Confirm current environmental, automotive, and material declarations with Renesas before production release.
