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Renesas 8N4SV75KC-0080CDI8
- Part No.:
- 8N4SV75KC-0080CDI8
- Manufacturer:
- Renesas
- Category:
- Programmable Timers and Oscillators
- Package:
- 6-CLCC
- Datasheet:
-
8N4SV75KC-0080CDI8.pdf
- Description:
- IC OSC VCXO 125MHZ 6-CLCC
- Quantity:
- Payment:
- Shipping:
Inventory:2,768
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Product details
Overview
8N4SV75KC-0080CDI8 from Renesas Electronics (formerly IDT) is a factory-programmed LVDS frequency-programmable VCXO with fourth-generation FemtoClock® NG PLL synthesis, delivering 15.476MHz–866.67MHz or 975MHz–1,300MHz output, ±20ppm total stability over -40°C to +85°C, and 0.53ps RMS phase jitter at 156.25MHz (12kHz–20MHz). It serves as a low-jitter clock source in wireless infrastructure baseband units and high-speed SerDes timing recovery circuits.
For engineers reviewing the 8N4SV75KC-0080CDI8 datasheet, 8N4SV75KC-0080CDI8 pinout, 8N4SV75KC-0080CDI8 application, or 8N4SV75KC-0080CDI8 equivalent, key selection criteria include its dual-band programmable frequency range, factory-set ±20ppm stability (Option K), LVDS differential output compliance, OE-controlled output enable, and ceramic 5mm × 7mm × 1.55mm CD package with 6-pin lead-free RoHS 6 construction.
Technical Context
The 8N4SV75KC-0080CDI8 integrates a 114.285MHz third-overtone crystal oscillator, fractional-N PLL with delta-sigma modulator, and a 1950–2600MHz VCO followed by programmable pre-divider (P), feedback divider (MINT/MFRAC), and post-divider (N). Its architecture enables 218Hz frequency resolution and supports two factory-configured frequencies via FSEL logic.
It implements LVDS-compatible differential outputs (Q/nQ), an LVCMOS/LVTTL-compatible OE input with internal pullup, and a VC control voltage input supporting programmable APR from ±4.5ppm to ±754.5ppm and polarity. The device operates from either 2.5V or 3.3V supply and features startup time ≤15ms and modulation bandwidth of 100kHz.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Frequency Range | 15.476–866.67MHz and 975–1300MHz; covers Ethernet, CPRI, OTU4, and PCIe Gen4/5 reference clocks. |
| RMS Phase Jitter (156.25MHz) | 0.53ps typical (12kHz–20MHz); meets stringent OC-192 and 10G/25G Ethernet jitter budgets. |
| Total Frequency Stability | ±33ppm (10-year life, Option K); ensures long-term timing accuracy in telecom base stations without recalibration. |
| Supply Voltage | 2.5V or 3.3V ±5%; compatible with common FPGA and ASIC I/O rail voltages. |
| Ambient Operating Temperature | -40°C to +85°C; qualified for industrial and outdoor wireless infrastructure deployments. |
| Package | RoHS 6-compliant 6-lead ceramic 5mm × 7mm × 1.55mm (CD package); enables compact PCB layout with low thermal resistance (θJA = 49.4°C/W). |
| Output Interface | LVDS differential pair (Q/nQ); provides noise-immune signaling with 247–454mV differential swing and 1.13–1.31V common-mode offset. |
Pinout & Package
6-lead ceramic CD package (5mm × 7mm × 1.55mm), RoHS 6-compliant, with exposed pad not connected. Pin 1 (VC) is bottom-left in top view; pin 6 (VDD) is top-right.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - VC | VCXO Control Voltage Input | Analog tuning input; accepts 0–VDD range; sets output frequency deviation per programmed APR and KV gain (7.57–477.27ppm/V). |
| 2 - OE | Output Enable Input | LVCMOS/LVTTL-compatible active-high control; places Q/nQ outputs in high-impedance state when low. |
| 3 - GND | Power Supply Ground | Reference return for analog and digital circuitry; must be low-inductance connection to minimize ground bounce and jitter. |
| 4 - Q | Differential Clock Output (+) | LVDS true output; requires 100Ω differential termination to match transmission line impedance and prevent reflections. |
| 5 - nQ | Differential Clock Output (–) | LVDS complement output; paired with Q; defines differential swing and common-mode level (1.13–1.31V). |
| 6 - VDD | Power Supply Input | 2.5V or 3.3V supply; requires local 0.1µF + 10µF decoupling; power sequencing must precede VC/OE assertion. |
Key Features
| Feature | Design Value |
|---|---|
| Fractional-N PLL with delta-sigma modulator | Enables 218Hz frequency resolution and low in-band phase noise without requiring external loop filter components. |
| Factory-programmed dual-frequency configuration | Supports immediate switching between two pre-set frequencies (e.g., 156.25MHz and 122.88MHz) via FSEL pin-no reprogramming needed in system. |
| Programmable absolute pull range (APR) | Configurable from ±4.5ppm to ±754.5ppm at factory; allows precise matching to system-level PLL lock range requirements. |
| LVDS output with integrated biasing | Eliminates need for external termination resistors at driver side; simplifies layout and reduces BOM count in high-density timing modules. |
| Low-jitter 114.285MHz crystal reference | Third-overtone fundamental crystal minimizes aging drift (±3ppm over 10 years) and improves long-term reliability vs. fundamental-mode XO. |
Applications
| Wireless Baseband Timing | High-Speed SerDes Reference |
|---|---|
Use Scenario: Synchronizing multi-carrier LTE/5G baseband processing units with strict phase alignment across distributed radio units. IC Role / Device Role / Timing Role: Primary VCXO providing low-jitter reference to FPGA-based digital up/down converters and JESD204B serializer/deserializer clocks. Use Value: ±20ppm total stability and 0.46ps RMS phase jitter (500–1300MHz band) ensure <0.1° phase error across 100MHz bandwidth, meeting 3GPP TR 37.841 synchronization requirements. | Use Scenario: Generating clean reference clocks for 25G/50G PAM4 optical transceivers in data center switches. IC Role / Device Role / Timing Role: Low-noise VCXO feeding CDR circuits and retimers; configured for 100.00MHz or 156.25MHz with OE-controlled power-down during link idle. Use Value: 0.53ps RMS jitter at 156.25MHz directly satisfies IEEE 802.3cd 25GBASE-LR/ER eye diagram mask and eliminates need for external jitter cleaners. |
| Optical Transport Network (OTN) | Test & Measurement Equipment |
Use Scenario: Providing traceable, stable clocking for OTU4 (112Gbps) framer and mapper ICs in DWDM line cards. IC Role / Device Role / Timing Role: Programmable VCXO generating 100.00MHz and 125.00MHz references with ±20ppm stability for synchronous payload mapping. Use Value: Dual-frequency capability and ±33ppm 10-year total stability eliminate field calibration cycles and support ITU-T G.8262 EEC-2 compliance for network element clocks. | Use Scenario: Serving as adjustable clock source in high-resolution oscilloscopes and bit-error-rate testers requiring sub-picosecond jitter performance. IC Role / Device Role / Timing Role: Precision VCXO enabling variable-rate sampling clock generation with fine frequency step (218Hz) and fast OE-based output gating. Use Value: 218Hz programming resolution allows exact stimulus frequency alignment to DUT specifications; OE control enables precise clock burst timing for jitter tolerance testing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar VCXO applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Si510-PROG | CMOS output only; no LVDS; uses different PLL architecture (integer-N + DS modulator); 0.8ps typical jitter at 156.25MHz. | Lacks differential signaling; unsuitable for long-reach backplane or noisy environments where LVDS immunity is required. | Select only if board already uses CMOS receivers and jitter budget allows ≥0.27ps degradation. |
| AK210-01-00001 | LVDS output; fixed 156.25MHz; ±25ppm stability; 0.65ps jitter; same CD package but no VC or OE pins. | No frequency or pull-range programmability; limited to single-frequency use cases with no dynamic reconfiguration. | Choose when design requires lowest cost, highest volume, and no need for VC tuning or dual-frequency switching. |
Compared with 8N4SV75KC-0080CDI8, Si510-PROG trades LVDS noise immunity for broader voltage range and simpler control, while AK210-01-00001 sacrifices programmability for tighter production lot consistency and lower unit cost in static-clock applications.
Availability
8N4SV75KC-0080CDI8 is available at Aetrix Electronics and suitable for wireless infrastructure, optical transport networks, and high-speed test equipment requiring stable component supply, guaranteed long-lifecycle availability, and full traceability from Renesas wafer fabrication through final test.
Supply support for 8N4SV75KC-0080CDI8 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
Renesas Electronics Corporation is a global semiconductor leader specializing in microcontrollers, analog, power, and timing solutions, formed through the merger of Renesas Technology and NEC Electronics.
The 8N4SV75KC-0080CDI8 belongs to Renesas' FemtoClock® NG VCXO product line, engineered specifically for high-frequency, low-jitter programmable timing in 5G infrastructure, optical networking, and high-speed serial interfaces.
FAQ
What is the factory-programmed frequency and pull range for 8N4SV75KC-0080CDI8?
The 8N4SV75KC-0080CDI8 is factory-programmed to default frequencies of 156.25MHz and 122.88MHz with an absolute pull range (APR) of ±20ppm, as indicated by the "K" option code and "0080" order suffix per Renesas' FemtoClock NG ordering guide. This configuration is permanently stored in on-chip ROM and cannot be modified in the field.
Does 8N4SV75KC-0080CDI8 support both 2.5V and 3.3V operation?
Yes, 8N4SV75KC-0080CDI8 supports dual-supply operation: it functions correctly with either 2.5V ±5% or 3.3V ±5% applied to VDD (pin 6). DC characteristics-including IDD (136–175mA), VIH/VIL thresholds, and LVDS output voltage levels-are fully specified for both rails in the datasheet revision B.
How is output enable (OE) implemented on 8N4SV75KC-0080CDI8?
On 8N4SV75KC-0080CDI8, OE (pin 2) is an LVCMOS/LVTTL-compatible active-high input with internal ~50kΩ pullup resistor. When OE = 0, Q/nQ outputs enter high-impedance state; when OE = 1, outputs drive full LVDS swing. No external pullup is required, and OE assertion must occur after VDD stabilization and before VC application.
What is the significance of the "CD" package designation in 8N4SV75KC-0080CDI8?
The "CD" in 8N4SV75KC-0080CDI8 denotes Renesas' lead-free, 6-lead ceramic package measuring 5mm × 7mm × 1.55mm, compliant with RoHS 6. It features gold-plated terminations, hermetic sealing, and θJA = 49.4°C/W (no airflow), enabling reliable operation in thermally demanding wireless base station environments.
Can 8N4SV75KC-0080CDI8 generate frequencies outside the 15.476–866.67MHz and 975–1300MHz bands?
No, 8N4SV75KC-0080CDI8 is restricted to those two disjoint bands per its PLL architecture and VCO operating range (1950–2600MHz). Frequencies between 866.67MHz and 975MHz are unsupported and will not lock; attempting them may result in undefined output behavior or excessive phase noise.
8N4SV75KC-0080CDI8 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- FemtoClock® NG
- Package/Case:
- 6-CLCC
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- VCXO
- Count:
- -
- Frequency:
- 125MHz
- Voltage - Supply:
- 3.135V ~ 3.465V
- Current - Supply:
- 140 mA
- Operating Temperature:
- -40°C ~ 85°C
- Supplier Device Package:
- 6-CLCC (7x5)
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
8N4SV75KC-0080CDI8 FAQ
1.How can I place an order for 8N4SV75KC-0080CDI8 through Aetrix?
Please submit a Request for Quotation (RFQ) for 8N4SV75KC-0080CDI8 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 8N4SV75KC-0080CDI8 reliable?
The price and inventory of 8N4SV75KC-0080CDI8 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 8N4SV75KC-0080CDI8 is usually 5 days.
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We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 8N4SV75KC-0080CDI8 transactions.
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4.How is shipping managed for 8N4SV75KC-0080CDI8?
8N4SV75KC-0080CDI8 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 8N4SV75KC-0080CDI8 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 8N4SV75KC-0080CDI8?
For technical support, including 8N4SV75KC-0080CDI8 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 8N4SV75KC-0080CDI8 requirements.
6.How does Aetrix verify that 8N4SV75KC-0080CDI8 is sourced from the original manufacturer or authorized distributors?
All 8N4SV75KC-0080CDI8 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 8N4SV75KC-0080CDI8 meets industry standards.
7.What is the process for return or replacement of 8N4SV75KC-0080CDI8?
All 8N4SV75KC-0080CDI8 units undergo pre-shipment inspection (PSI). If there is an issue with 8N4SV75KC-0080CDI8, 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 8N4SV75KC-0080CDI8 part is unused and in its original packaging.
Return procedure for 8N4SV75KC-0080CDI8:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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