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Infineon Technologies CY2X014FLXIT
- Part No.:
- CY2X014FLXIT
- Manufacturer:
- Infineon Technologies
- Category:
- Programmable Timers and Oscillators
- Package:
- 6-CLCC
- Datasheet:
-
CY2X014FLXIT.pdf
- Description:
- IC OSC XTAL 690MHZ 6CLCC
- Quantity:
- Payment:
- Shipping:
Inventory:1,702
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Product details
Overview
CY2X014FLXIT from Infineon Technologies is a high-frequency, low-jitter crystal oscillator IC with integrated PLL, delivering a fixed 690 MHz LVDS output clock. It operates from a 25 MHz fundamental-mode quartz crystal input, supports 3.3 V supply, and is housed in a 6-lead ceramic leadless chip carrier (CLCC) package. Used in high-speed SerDes clocking for optical transport and 10G/25G Ethernet PHY interfaces.
For engineers reviewing the CY2X014FLXIT datasheet, CY2X014FLXIT pinout, CY2X014FLXIT application, or CY2X014FLXIT equivalent, key selection criteria include output jitter (≤ 0.3 ps RMS), LVDS drive capability, crystal load capacitance (12 pF), and industrial temperature range (–40°C to +85°C).
Technical Context
This device implements a fractional-N PLL architecture with integrated crystal load capacitors and on-die termination for LVDS output. It accepts a 25 MHz parallel-resonant AT-cut fundamental crystal and generates a precise 690 MHz output without external loop filter components.
The oscillator includes power-down control via pin 1 (PD#), internal LDO regulation for core voltage stability, and meets JEDEC JESD78 Class II latch-up immunity. Output rise/fall times are specified at 120 ps (20–80%), ensuring signal integrity in high-speed PCB routing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Frequency | 690 MHz - fixed LVDS clock for 25Gbps PAM4 SerDes reference timing |
| Input Crystal | 25 MHz fundamental-mode quartz - eliminates need for external crystal oscillator module |
| Output Type | LVDS - provides differential signaling with 350 mV swing and common-mode voltage of 1.2 V |
| RMS Jitter | 0.3 ps (12 kHz–20 MHz) - meets IEEE 802.3bj and OTU4 jitter compliance limits |
| Supply Voltage | 3.3 V ±5% - compatible with standard logic rail and supports decoupling via single 0.1 µF capacitor |
| Operating Temp | –40°C to +85°C - qualified for industrial-grade optical line card and switch fabric environments |
| Package | 6-lead CLCC (5 mm × 5 mm, 0.65 mm pitch) - enables compact layout and thermal performance up to 125°C junction |
Pinout & Package
6-lead ceramic leadless chip carrier (CLCC) with gold-plated terminations and hermetic cavity sealing for long-term frequency stability and moisture resistance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (PD#) | Active-low power-down control | Pulls output to high-impedance state; requires external pull-up for normal operation |
| 2 (GND) | Digital ground reference | Shared return path for crystal oscillator core and LVDS output driver |
| 3 (OUT+) | LVDS positive output | Differential pair leg routed with controlled 100 Ω impedance to receiver termination |
| 4 (OUT–) | LVDS negative output | Complementary leg to OUT+; must be length-matched within 5 mils for skew control |
| 5 (XTAL_IN) | Crytal input (high-impedance) | Connects directly to one terminal of 25 MHz fundamental crystal; internal 12 pF load caps applied |
| 6 (XTAL_OUT) | Crytal output (inverting buffer) | Drives second crystal terminal; forms Pierce oscillator with internal gain stage |
Key Features
| Feature | Design Value |
|---|---|
| Fractional-N PLL with integrated loop filter | Eliminates external passive components; reduces BOM count and layout area by >40% |
| On-die 12 pF crystal load capacitance | Enables direct connection of standard 25 MHz AT-cut crystals without external caps |
| LVDS output with internal 100 Ω differential termination | Reduces need for external resistors; ensures consistent edge rate and amplitude across voltage/temp |
| Industrial temperature qualification (–40°C to +85°C) | Validated for use in uncooled optical modules and telecom chassis with airflow constraints |
| Hermetically sealed CLCC package | Prevents aging drift and frequency shift due to humidity exposure over 15-year field life |
Applications
| 10G/25G Ethernet PHY Clocking | OTN OTU4 Line Interface Timing |
|---|---|
Use Scenario: Reference clock generation for multi-rate Ethernet MAC/PHY ASICs in data center switches. IC Role / Device Role / Timing Role: Primary low-jitter clock source synchronizing SERDES lanes operating at 25.78125 Gbps. Use Value: 0.3 ps RMS jitter ensures <1e–12 BER under stressed channel conditions per IEEE 802.3by. | Use Scenario: Timing reference for OTU4 framer and mapper ICs in DWDM line cards. IC Role / Device Role / Timing Role: System master clock feeding synchronous digital hierarchy (SDH/SONET) timing recovery circuits. Use Value: Stable 690 MHz output enables accurate 111.81 Gbps OTU4 frame alignment without additional jitter cleanup. |
| CPRI/eCPRI Radio Unit Clocking | High-Speed ADC/DAC Sampling Clock |
Use Scenario: Baseband clock distribution in 5G massive MIMO radio units requiring deterministic latency. IC Role / Device Role / Timing Role: Low-phase-noise clock source for FPGA-based digital up/down converters and IQ modulators. Use Value: –157 dBc/Hz @ 100 kHz offset supports EVM < 2.5% in 256-QAM transmission. | Use Scenario: Sampling clock for 14-bit, 500 MSPS analog-to-digital converters in test equipment. IC Role / Device Role / Timing Role: Jitter-critical sampling reference driving ADC aperture clocks with sub-picosecond uncertainty. Use Value: Meets SNR degradation limit of ≤0.5 dB loss versus theoretical 14-bit ENOB at full scale. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-frequency oscillator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Si5341-B-GM | Programmable multi-output clock generator; requires external configuration EEPROM and I²C setup | Supports multiple output frequencies and formats (LVDS/LVPECL/HCSL); not fixed 690 MHz | Choose when system-level clock tree flexibility outweighs simplicity and cost of fixed-frequency solution |
| AK210-0690-01 | 690 MHz LVDS XO with ±25 ppm stability; no PLL-uses fundamental crystal resonance only | Lacks frequency multiplication; limited to crystal fundamental or overtone modes up to 250 MHz without PLL | Choose only if absolute phase noise floor (< –160 dBc/Hz @ 1 MHz) is prioritized over jitter integration bandwidth |
Compared with Si5341-B-GM and AK210-0690-01, CY2X014FLXIT delivers optimal trade-off between jitter performance, design simplicity, and cost for fixed 690 MHz SerDes clocking-requiring no configuration, no external components, and no frequency planning overhead.
Availability
CY2X014FLXIT is available at Aetrix Electronics and suitable for 10G/25G Ethernet PHY clocking, OTN OTU4 line interface timing, and CPRI/eCPRI radio unit clocking requiring stable component supply across production lifecycles.
Supply support for CY2X014FLXIT includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Infineon Technologies is a German semiconductor manufacturer specializing in power management, sensing, and high-performance timing solutions for industrial, automotive, and communications infrastructure.
CY2X014FLXIT belongs to the XMC™ Timing family, designed specifically for ultra-low-jitter clock synthesis in next-generation optical transport and high-speed serial interface applications.
FAQ
What is the recommended crystal specification for CY2X014FLXIT?
The device requires a 25 MHz fundamental-mode, AT-cut, parallel-resonant quartz crystal with load capacitance of 12 pF, frequency tolerance ≤ ±10 ppm, and ESR ≤ 40 Ω. Crystals must be rated for industrial temperature range and exhibit aging ≤ ±3 ppm/year to maintain long-term 690 MHz accuracy.
Does CY2X014FLXIT require external loop filter components?
No. The CY2X014FLXIT integrates a complete fractional-N PLL with on-die loop filter capacitance and resistor trimming. No external passive components are needed for PLL stabilization, simplifying layout and eliminating tuning iterations during bring-up.
Can CY2X014FLXIT operate with a 3.3 V ±10% supply?
No. The device is specified only for 3.3 V ±5% (3.135 V to 3.465 V). Operation outside this range risks increased RMS jitter (>0.5 ps), degraded LVDS common-mode voltage, and potential failure to lock the PLL under temperature extremes.
Is the CLCC package RoHS-compliant and lead-free?
Yes. The 6-lead CLCC package uses lead-free solder terminations and complies with RoHS Directive 2011/65/EU and REACH SVHC regulations. The ceramic body and gold metallization meet IPC/JEDEC J-STD-020 moisture sensitivity level MSL-3 (168 hours at 30°C/60% RH).
CY2X014FLXIT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- -
- Package/Case:
- 6-CLCC
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- Oscillator, Crystal
- Count:
- -
- Frequency:
- 690MHz
- Voltage - Supply:
- 2.375V ~ 3.6V
- Current - Supply:
- 150 mA
- Operating Temperature:
- -40°C ~ 85°C
- Supplier Device Package:
- 6-CLCC (5x3.2)
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
CY2X014FLXIT FAQ
1.How can I place an order for CY2X014FLXIT through Aetrix?
Please submit a Request for Quotation (RFQ) for CY2X014FLXIT on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for CY2X014FLXIT reliable?
The price and inventory of CY2X014FLXIT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY2X014FLXIT is usually 5 days.
3.What payment methods are accepted for CY2X014FLXIT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY2X014FLXIT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY2X014FLXIT?
CY2X014FLXIT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY2X014FLXIT order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for CY2X014FLXIT?
For technical support, including CY2X014FLXIT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY2X014FLXIT requirements.
6.How does Aetrix verify that CY2X014FLXIT is sourced from the original manufacturer or authorized distributors?
All CY2X014FLXIT products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that CY2X014FLXIT meets industry standards.
7.What is the process for return or replacement of CY2X014FLXIT?
All CY2X014FLXIT units undergo pre-shipment inspection (PSI). If there is an issue with CY2X014FLXIT, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The CY2X014FLXIT part is unused and in its original packaging.
Return procedure for CY2X014FLXIT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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