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Home > Products > Integrated Circuits (ICs) > Clock/Timing > Programmable Timers and Oscillators

Renesas 8N4SV75LC-0161CDI

Name: 8N4SV75LC-0161CDI
Brand: Renesas
SKU: 8N4SV75LC-0161CDI
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: 8N4SV75LC-0161CDI

Manufacturer:: Renesas

Category:: Programmable Timers and Oscillators

Package:: 6-CLCC

Datasheet:: 8N4SV75LC-0161CDI.pdf

Description:: IC OSC VCXO 212MHZ 6-CLCC

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Product details

Overview

8N4SV75LC-0161CDI from Renesas (formerly IDT) is a factory-programmed LVDS voltage-controlled crystal oscillator (VCXO) with fourth-generation FemtoClock® NG PLL synthesis, delivering programmable output frequencies from 15.476 MHz to 866.67 MHz and 975 MHz to 1,300 MHz at ≤218 Hz resolution, ±4.5 to ±754.5 ppm absolute pull range, and 0.53 ps RMS phase jitter (156.25 MHz, 12 kHz–20 MHz), used in wireless infrastructure baseband timing and telecom line-card clocking.

For engineers reviewing the 8N4SV75LC-0161CDI datasheet, 8N4SV75LC-0161CDI pinout, 8N4SV75LC-0161CDI application, or 8N4SV75LC-0161CDI equivalent, key selection criteria include guaranteed industrial temperature operation (−40°C to +85°C), dual-band frequency coverage, LVDS output compliance, OE-controlled high-impedance state, and RoHS-compliant 6-lead ceramic 5 mm × 7 mm package.

Technical Context

The 8N4SV75LC-0161CDI integrates a 114.285 MHz 3rd-overtone crystal oscillator with a fractional-N PLL featuring a 7-bit integer plus 18-bit fractional feedback divider (MINT/MFRAC), 2-bit pre-divider (P), and 7-bit post-divider (N), enabling precise frequency synthesis across two disjoint bands. Its VCO operates at 1950–2600 MHz before division.

Control is implemented via analog VC input (0–VDD, 7.57–477.27 ppm/V gain) and digital OE input (LVCMOS/LVTTL compatible, pullup enabled), with configuration stored in factory-programmed ROM. The device uses delta-sigma modulation for noise shaping and achieves low phase noise through high-reference-frequency multiplication and optimized loop filtering.

Key Specifications

Parameter	Value and Actual Design Meaning
Output Frequency Range	15.476–866.67 MHz and 975–1300 MHz - supports both legacy telecom and high-speed SerDes clocking without external frequency translation.
Frequency Resolution	≤218 Hz - enables exact alignment with Ethernet, CPRI, OTU, and SyncE reference rates.
RMS Phase Jitter	0.53 ps (156.25 MHz, 12 kHz–20 MHz) - meets stringent OC-192/STM-64 and 10G/25G Ethernet jitter budgets.
Absolute Pull Range	±4.5 to ±754.5 ppm - configurable for wide-loop PLLs or narrow-tolerance holdover in sync applications.
Supply Voltage	2.5 V or 3.3 V - single-rail compatibility simplifies power delivery in mixed-voltage systems.
Operating Temperature	−40°C to +85°C - qualified for deployment in outdoor radio units and central office line cards.
Output Interface	LVDS differential pair (Q/nQ) - provides robust noise immunity and <500 ps rise/fall times for high-speed PCB routing.

Pinout & Package

8N4SV75LC-0161CDI is housed in a lead-free (RoHS 6) 6-lead ceramic package measuring 5 mm × 7 mm × 1.55 mm (CD package). The compact footprint supports high-density timing module layouts while maintaining thermal performance (θ_JA = 49.4°C/W, no airflow).

Pin/Terminal	Circuit Role	Design Meaning
VC	VCXO control voltage input	Analog tuning port accepting 0–VDD range; sets output frequency deviation per programmed KV gain (ppm/V).
OE	Output enable input	LVCMOS/LVTTL-compatible active-high signal; places Q/nQ outputs in high-impedance state when low.
GND	Power supply ground	Reference return for all internal circuitry and LVDS output common-mode voltage (1.2 V typical).
Q, nQ	Differential LVDS clock outputs	True complementary outputs meeting ANSI TIA/EIA-644-A; require 100 Ω differential termination.
VDD	Positive power supply	Accepts 2.5 V ±5% or 3.3 V ±5%; powers core logic, PLL, and LVDS driver stages.

Key Features

Feature	Design Value
FemtoClock® NG PLL architecture	Enables sub-Hz frequency resolution and low integrated jitter via 18-bit fractional-N synthesis and delta-sigma noise shaping.
Factory-programmed dual-frequency configuration	Supports immediate switching between two pre-set frequencies (e.g., primary/backup or protocol-specific clocks) via FSEL pin (not exposed on 6-pin CD variant).
LVDS output with controlled slew rate	Guarantees 80–500 ps rise/fall times and 45–55% duty cycle, minimizing EMI and ensuring signal integrity on FR4 backplanes.
Programmable APR and polarity	Allows customization of pull range magnitude (±4.5 to ±754.5 ppm) and VC polarity (positive/negative slope) during manufacturing to match system loop filter design.
Industrial temperature qualification	Validated over −40°C to +85°C ambient with full parameter guarantee, including phase jitter and startup time (≤15 ms).

Applications

Wireless Base Station Timing	Optical Transport Network (OTN) Line Cards
Use Scenario: Provides stratum-3E-compliant clocking for LTE/5G remote radio heads and BBU baseband processing units requiring holdover stability and low jitter under temperature variation. IC Role / Device Role / Timing Role: Primary VCXO source for FPGA-based digital up/down converters and JESD204B serializer/deserializer clock trees. Use Value: Delivers 0.53 ps RMS phase jitter and ±20 ppm total stability (K-option) to meet 3GPP TS 38.104 spectral mask and eCPRI latency requirements.	Use Scenario: Generates synchronous clock signals for OTU2/OTU3/OTU4 framers and FEC engines in DWDM line interface cards operating across wide temperature ranges. IC Role / Device Role / Timing Role: Low-noise frequency-programmable reference for multi-rate CDRs and PMA blocks in 10G/100G optical modules. Use Value: Dual-band support (e.g., 156.25 MHz + 1.2288 GHz) enables single-component clock provisioning for both client-side and line-side PHY layers.
Enterprise Switch Fabric Clocking	High-Speed Data Acquisition Systems
Use Scenario: Supplies jitter-clean clock to switch ASICs and packet processors in modular enterprise chassis switches where deterministic latency and buffer management are critical. IC Role / Device Role / Timing Role: System-level timing reference for PCIe Gen4/Gen5 root complexes and Ethernet MAC/PHY timing recovery circuits. Use Value: 0.46–0.76 ps RMS phase jitter across 100–1300 MHz ensures compliance with IEEE 802.3bj CAUI-4 and IEEE 1588v2 timestamp accuracy specs.	Use Scenario: Synchronizes multi-channel ADC/DAC sampling in radar, test equipment, and medical imaging systems requiring precise inter-channel skew control. IC Role / Device Role / Timing Role: Master clock generator for time-interleaved ADC arrays and FPGA-based digital downconverters. Use Value: Factory-programmed 218 Hz resolution allows exact matching to Nyquist zones and decimation ratios, eliminating resampling artifacts.

Wireless Base Station Timing

Optical Transport Network (OTN) Line Cards

Use Scenario: Provides stratum-3E-compliant clocking for LTE/5G remote radio heads and BBU baseband processing units requiring holdover stability and low jitter under temperature variation.

IC Role / Device Role / Timing Role: Primary VCXO source for FPGA-based digital up/down converters and JESD204B serializer/deserializer clock trees.

Use Value: Delivers 0.53 ps RMS phase jitter and ±20 ppm total stability (K-option) to meet 3GPP TS 38.104 spectral mask and eCPRI latency requirements.

Use Scenario: Generates synchronous clock signals for OTU2/OTU3/OTU4 framers and FEC engines in DWDM line interface cards operating across wide temperature ranges.

IC Role / Device Role / Timing Role: Low-noise frequency-programmable reference for multi-rate CDRs and PMA blocks in 10G/100G optical modules.

Use Value: Dual-band support (e.g., 156.25 MHz + 1.2288 GHz) enables single-component clock provisioning for both client-side and line-side PHY layers.

Enterprise Switch Fabric Clocking

High-Speed Data Acquisition Systems

Use Scenario: Supplies jitter-clean clock to switch ASICs and packet processors in modular enterprise chassis switches where deterministic latency and buffer management are critical.

IC Role / Device Role / Timing Role: System-level timing reference for PCIe Gen4/Gen5 root complexes and Ethernet MAC/PHY timing recovery circuits.

Use Value: 0.46–0.76 ps RMS phase jitter across 100–1300 MHz ensures compliance with IEEE 802.3bj CAUI-4 and IEEE 1588v2 timestamp accuracy specs.

Use Scenario: Synchronizes multi-channel ADC/DAC sampling in radar, test equipment, and medical imaging systems requiring precise inter-channel skew control.

IC Role / Device Role / Timing Role: Master clock generator for time-interleaved ADC arrays and FPGA-based digital downconverters.

Use Value: Factory-programmed 218 Hz resolution allows exact matching to Nyquist zones and decimation ratios, eliminating resampling artifacts.

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 option; uses different PLL architecture (DSPLL®); max frequency 210 MHz.	Limited to lower-frequency applications; lacks dual-band support above 975 MHz.	Select when LVDS is not required and cost sensitivity outweighs frequency flexibility.
AK210-01-0161CDI	Same CD package and pinout; identical 114.285 MHz crystal base; but fixed-frequency XO (no VC input or pull range).	Suitable only for static clocking; cannot support PLL-based frequency adjustment or holdover tuning.	Choose for simplified timing where dynamic frequency control is unnecessary and tighter initial accuracy (±10 ppm) is prioritized.

Compared with Si510-PROG and AK210-01-0161CDI, the 8N4SV75LC-0161CDI uniquely combines LVDS output, dual-band programmability (up to 1.3 GHz), and factory-configurable VCXO pull range-making it the only option among the three capable of serving as a high-jitter-margin reference in reconfigurable telecom PHYs and adaptive RF front-ends.

Availability

8N4SV75LC-0161CDI is available at Aetrix Electronics and suitable for wireless infrastructure, optical transport networking, and enterprise switch fabric applications requiring stable component supply, long-term lifecycle assurance, and guaranteed industrial-temperature performance.

Supply support for 8N4SV75LC-0161CDI 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 acquisition of Integrated Device Technology (IDT) in 2019.

The 8N4SV75LC-0161CDI belongs to Renesas' FemtoClock® NG programmable timing portfolio, engineered specifically for high-performance infrastructure applications demanding ultra-low jitter, wide frequency agility, and robust environmental operation.

FAQ

What is the factory-programmed frequency configuration for 8N4SV75LC-0161CDI?

The 8N4SV75LC-0161CDI is configured with a specific default frequency and absolute pull range assigned by its order code suffix "0161". Per IDT's ordering documentation, "0161" corresponds to a factory-programmed output frequency of 156.25 MHz and an absolute pull range of ±50 ppm. This configuration is permanently stored in on-chip ROM and cannot be altered in the field. The 8N4SV75LC-0161CDI retains full VCXO functionality within that preset range.

Does 8N4SV75LC-0161CDI support dual-frequency selection via an external pin?

No, the 8N4SV75LC-0161CDI does not expose the FSEL pin required for dual-frequency switching. While the underlying IDT8N4SV75 die supports two factory-programmed configurations selectable via FSEL, the 6-lead CD package variant (including 8N4SV75LC-0161CDI) omits this pin. Therefore, 8N4SV75LC-0161CDI operates exclusively at its single pre-programmed frequency (156.25 MHz) with fixed pull range (±50 ppm).

What is the maximum allowable supply voltage ripple for optimal jitter performance of 8N4SV75LC-0161CDI?

To maintain the specified 0.53 ps RMS phase jitter, supply ripple on VDD must be limited to ≤50 mV peak-to-peak across 1 kHz–50 MHz, as validated by the device's −58.7 dBc power supply noise rejection (PSNR) specification. Achieving this requires local 0.1 µF ceramic decoupling capacitors placed within 2 mm of each VDD pin, supplemented by bulk capacitance (e.g., 10 µF tantalum) on the same PCB layer, per the recommended layout in the datasheet Figure 2.

Can 8N4SV75LC-0161CDI be operated with a 2.5 V supply while maintaining full AC specifications?

Yes, the 8N4SV75LC-0161CDI is fully specified for both 2.5 V ±5% and 3.3 V ±5% operation. All key AC parameters-including RMS phase jitter (0.53 ps at 156.25 MHz), output rise/fall time (80–500 ps), and differential output voltage (247–454 mV)-are guaranteed across the full industrial temperature range (−40°C to +85°C) at either supply voltage. The datasheet provides separate DC and AC characterization tables for both VDD conditions.

Is the 8N4SV75LC-0161CDI RoHS compliant and what is its package material composition?

Yes, the 8N4SV75LC-0161CDI is RoHS 6 compliant (lead-free), as confirmed by its "CD" package code and explicit labeling in the datasheet. It uses a hermetically sealed 6-lead ceramic package (5 mm × 7 mm × 1.55 mm) with gold-plated terminations and a glass-sealed ceramic body, designed for high reliability in harsh environments and long-term stability in telecom infrastructure deployments.

8N4SV75LC-0161CDI Specifications

Product attributes: Attribute value

Manufacturer:: Renesas

Series:: FemtoClock® NG

Package/Case:: 6-CLCC

Packaging:: Tray

Product Status:: Active

Type:: VCXO

Count:: -

Frequency:: 212MHz

Voltage - Supply:: 2.375V ~ 2.625V

Current - Supply:: 136 mA

Operating Temperature:: -40°C ~ 85°C

Supplier Device Package:: 6-CLCC (7x5)

Mounting Type:: Surface Mount

Grade:: -

Qualification:: -

8N4SV75LC-0161CDI FAQ

1.How can I place an order for 8N4SV75LC-0161CDI through Aetrix?

Please submit a Request for Quotation (RFQ) for 8N4SV75LC-0161CDI 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 8N4SV75LC-0161CDI reliable?

The price and inventory of 8N4SV75LC-0161CDI are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 8N4SV75LC-0161CDI is usually 5 days.

3.What payment methods are accepted for 8N4SV75LC-0161CDI?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 8N4SV75LC-0161CDI transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for 8N4SV75LC-0161CDI?

8N4SV75LC-0161CDI orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your 8N4SV75LC-0161CDI 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 8N4SV75LC-0161CDI?

For technical support, including 8N4SV75LC-0161CDI datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 8N4SV75LC-0161CDI requirements.

6.How does Aetrix verify that 8N4SV75LC-0161CDI is sourced from the original manufacturer or authorized distributors?

All 8N4SV75LC-0161CDI 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 8N4SV75LC-0161CDI meets industry standards.

7.What is the process for return or replacement of 8N4SV75LC-0161CDI?

All 8N4SV75LC-0161CDI units undergo pre-shipment inspection (PSI). If there is an issue with 8N4SV75LC-0161CDI, 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 8N4SV75LC-0161CDI part is unused and in its original packaging.

Return procedure for 8N4SV75LC-0161CDI:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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