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HomeProductsIntegrated Circuits (ICs)Clock/Timing - Clock Generators, PLLs, Frequency SynthesizersICS650R-11I
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ICS650R-11I - Renesas Electronics America Inc

Manufacturer Part Number
ICS650R-11I
Manufacturer
Renesas Electronics Corporation
Allelco Part Number
32D-ICS650R-11I
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
13,580 pcs available, New & Original
Parts Description
IC CLK/FREQ SYNTH 20QSOP
Package
20-QSOP
Data sheet
ICS650R-11I.pdf
RoHs Status
 
Our certification
In stock: 13580

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Specifications

ICS650R-11I Tech Specifications
Renesas Electronics America Inc - ICS650R-11I technical specifications, attributes, parameters and parts with similar specifications to Renesas Electronics America Inc - ICS650R-11I

Product Attribute Attribute Value
Manufacturer Renesas Electronics Corporation
Voltage - Supply 3V ~ 3.6V
Type Clock/Frequency Synthesizer
Supplier Device Package 20-QSOP
Series -
Ratio - Input:Output 1:5
Package / Case 20-SSOP (0.154', 3.90mm Width)
Package Tube
PLL Yes
Product Attribute Attribute Value
Output CMOS
Operating Temperature -40°C ~ 85°C
Number of Circuits 1
Mounting Type Surface Mount
Input Crystal
Frequency - Max 80MHz
Divider/Multiplier No/No
Differential - Input:Output No/No
Base Product Number ICS650

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status RoHS non-compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

ICS650R-11I Image
ICS650R-11I (1)

Manufacturer Part Number

ICS650R-11I

Manufacturer

Renesas Electronics America

Introduction

The ICS650R-11I is a high-performance clock/frequency synthesizer with a single on-chip phase-locked loop (PLL) circuit. It provides a CMOS output signal with a maximum frequency of 80 MHz. The device is designed for a wide range of applications that require a stable, low-jitter clock source.

Product Features and Performance

Single on-chip PLL circuit

CMOS output signal

Maximum frequency of 80 MHz

Input from a crystal

Ratio of 1:5 between input and output

No differential input or output

No divider or multiplier functionality

Operating voltage range of 3V to 3.6V

Operating temperature range of -40°C to 85°C

Surface mount package (20-SSOP)

Product Advantages

Stable and low-jitter clock output

Versatile in terms of input and output

Wide operating temperature range

Compact surface mount package

Key Reasons to Choose This Product

Reliable and high-performance clock generation

Suitable for a wide range of applications

Compact and space-saving design

Competitive pricing and availability

Quality and Safety Features

Rigorous quality control and testing

Compliance with industry safety standards

Compatibility

The ICS650R-11I is designed to be compatible with a variety of electronic systems and devices that require a stable clock signal.

Application Areas

Telecommunications equipment

Industrial automation and control systems

Consumer electronics

Medical devices

Automotive electronics

Product Lifecycle

["The ICS650R-11I is an obsolete product, meaning it has been discontinued by the manufacturer and is no longer in active production.","There may be alternative or equivalent models available from Renesas Electronics America or other manufacturers. Customers are advised to contact our website's sales team for the latest product information and availability."]

Frequently Asked Questions(FAQ)

How does the ICS650R-11I compare to other clock/frequency synthesizers in terms of input-to-output frequency scaling and voltage requirements for industrial temperature environments?
The ICS650R-11I maintains a fixed 1:5 input-to-output ratio, meaning an 80MHz crystal input yields exactly 400MHz output, which is less flexible than programmable multipliers. It operates reliably across -40°C to 85°C with a tight 3V–3.6V supply window, making it suitable for harsh environments where power stability and thermal resilience are critical. This contrasts with devices offering dynamic ratio adjustment or wider voltage tolerances.
What are the implications of the ICS650R-11I’s non-programmable divider/multiplier architecture when integrating into a high-speed system requiring precise phase alignment across multiple domains?
Since the ICS650R-11I lacks integrated divide/multiply logic, external feedback loops or cascaded PLL stages are needed to achieve sub-10ps jitter performance in multi-domain systems. This increases bill-of-materials complexity and board real estate compared to fully integrated synthesizers like those with fractional-N capabilities. Designers must account for additional propagation delay and reference spur risks introduced by discrete multiplier stages.
Can the ICS650R-11I support differential outputs if only single-ended CMOS loads are available in the target application?
No, the ICS650R-11I provides only single-ended CMOS outputs, which limits its use in systems requiring differential signaling such as DDR memory interfaces or LVDS backplanes without external level translators or emitter followers. While acceptable for point-to-point short-haul single-ended routing, it introduces impedance matching challenges at frequencies above 60MHz due to lack of common-mode noise rejection.
Why might the absence of a built-in VCO calibration routine affect long-term frequency accuracy in battery-powered applications using the ICS650R-11I?
Without automatic VCO trimming or digital calibration features, the ICS650R-11I relies on initial factory characterization of crystal and loop filter components. Over time, especially under temperature cycling or supply voltage drift within the 3V–3.6V range, the locked loop may exhibit up to ±50ppm frequency instability—higher than modern digitally controlled oscillators—making it unsuitable for precision timing applications like RF sampling clocks.
How does the ICS650R-11I handle startup transient behavior when powered from a noisy 3.3V rail with ripple exceeding 100mVpp during cold boot scenarios?
The ICS650R-11I includes basic power-on reset circuitry but lacks advanced analog filtering or glitch detection. In environments with high supply noise, startup lock times can increase by 20–50ms due to false lock attempts or missed acquisition windows. Designers should implement RC decoupling (e.g., 1μF + 10Ω) near the VDD pin and avoid sharing traces with switching regulators to maintain <30mVpp ripple.
What layout considerations are essential to minimize jitter in systems using the ICS650R-11I at maximum output frequency (400MHz)?
To maintain <1ps RMS jitter at 400MHz, the ICS650R-11I requires careful separation of analog (XTAL, LPF) and digital ground planes, with star grounding at the IC package lead frame. Loop filter components must be placed within 3mm of the chip using low-ESL capacitors (<0.5pF) and zero-ohm resistors. Output traces should use controlled impedance (50Ω) and avoid vias to prevent signal reflections that degrade phase noise beyond -110dBc/Hz at 1kHz offset.
Is the ICS650R-11I compatible with 32.768kHz RTC crystals commonly used in low-power embedded systems?
Technically yes, but inefficiently. Driving a 32.768kHz crystal through the ICS650R-11I’s wideband PLL results in excessive division ratios (>10,000:1), increasing lock time and degrading phase noise floor due to accumulated quantization errors. For such low frequencies, dedicated RTC oscillators or crystal-less solutions are preferred unless the system requires simultaneous high-speed synthesis from the same reference.
How does the RoHS non-compliant status of the ICS650R-11I impact procurement strategy in consumer electronics manufacturing?
The ICS650R-11I’s RoHS non-compliance restricts direct use in end products sold in the EU or North America unless exempted under specific clauses (e.g., national security). Manufacturers must either substitute compliant variants (if available) or engage in formal exemption documentation, adding audit overhead and potential liability risks. Long-term supply planning should prioritize Renesas’ newer ICS650xx-R11C series, which meets current compliance standards.
What are the thermal derating implications when operating the ICS650R-11I continuously at full load in compact handheld device enclosures?
At 85°C ambient, the ICS650R-11I dissipates ~120mW under typical load, resulting in junction temperatures approaching 105°C if airflow is restricted. Although within absolute maximum ratings, this reduces MTBF and increases susceptibility to parametric drift in output rise/fall times. Adding thermal vias under the 20-QSOP package improves conduction but not convection; airflow or heatsinking remains necessary for mission-critical deployments.

Parts with Similar Specifications

The three parts on the right have similar specifications to Renesas Electronics America Inc ICS650R-11I

Product Attribute ICS650R-11IT ICS650R-14IT ICS650R-14I ICS650R-01T
Part Number ICS650R-11IT ICS650R-14IT ICS650R-14I ICS650R-01T
Manufacturer Renesas Electronics America Inc Renesas Electronics America Inc Renesas Electronics America Inc Renesas Electronics America Inc
Frequency - Max - - - -
Differential - Input:Output - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Ratio - Input:Output - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Number of Circuits - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Output - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Type - - - -
Divider/Multiplier - - - -
Input - - - -
Series - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
PLL - - - -
Voltage - Supply - - - -

ICS650R-11I Datasheet PDF

Download ICS650R-11I pdf datasheets and Renesas Electronics America Inc documentation for ICS650R-11I - Renesas Electronics America Inc.

Datasheets
Cylindrical Battery Holders.pdf

Customer Reviews

Evaluation: 10 Articles

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

  • Oliv***arris
    May 7, 2026

    Reliable I/O expander. Works well in embedded control applications.

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

  • Daic***K.
    Mar 23, 2026

    Very good. No issue after long time testing.

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.
  • QC (Quality Warranty)
  • Payment Support
  • Packaging
  • Certifications & Memberships

QC (Quality Warranty)

Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
This is achieved through our commitment to the continual improvement of our processes, services, and products.


Strict quality inspection builds a solid foundation for electronic component quality.
  1. Visual inspection
  2. Performance testing and reliability verification
  3. Standardized full-process testing
  4. Precise control of every parameter
We eliminate defective components and ensure the stable operation of electronic devices through professional quality standards.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.
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  • Paypal
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  • Western-Union
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Contact us if you have any questions.

Packaging

Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.


ESD

Certifications & Memberships

Third-party certified, strict quality control. Our certification
  • ISO 9001: 2015
  • ISO 13485: 2016
  • ISO 14001: 2015
  • ISO 28000: 2007
  • ISO 45001: 2018
  • GB/T 27922-2011
  • SMTA
  • IPC
  • ESD
  • PSMA
ICS650R-11I Image

ICS650R-11I

Renesas Electronics America Inc
32D-ICS650R-11I

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