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

Renesas 8N3QV01EG-0102CDI

Name: 8N3QV01EG-0102CDI
Brand: Renesas
SKU: 8N3QV01EG-0102CDI
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: 8N3QV01EG-0102CDI

Manufacturer:: Renesas

Category:: Programmable Timers and Oscillators

Package:: 10-CLCC

Datasheet:: 8N3QV01EG-0102CDI.pdf

Description:: IC OSC VCXO QD FREQ 10CLCC

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Product details

Overview

8N3QV01EG-0102CDI from Renesas Electronics is a quad-frequency programmable VCXO using fourth-generation FemtoClock® NG technology, delivering LVPECL differential output with 15.476–866.67 MHz and 975–1300 MHz frequency range, ±4.5 to ±754.5 ppm absolute pull-range (APR), and 0.487 ps RMS phase jitter (12 kHz–20 MHz) at 156.25 MHz - deployed in wireless infrastructure baseband timing and telecom line-card clock synthesis.

For engineers reviewing the 8N3QV01EG-0102CDI datasheet, 8N3QV01EG-0102CDI pinout, 8N3QV01EG-0102CDI application, or 8N3QV01EG-0102CDI equivalent, this page provides verified package mapping (CD10 ceramic 5 mm × 7 mm), I²C-programmable PLL register architecture, FSEL0/FSEL1 default-frequency selection logic, VCXO control voltage linearity (±0.1% BSL), and LVPECL termination guidance for 50 Ω differential routing.

Technical Context

The 8N3QV01EG-0102CDI integrates a 114.285 MHz 3rd-overtone crystal oscillator, a fractional-N PLL with 7-bit integer (MINT) and 18-bit fractional (MFRAC) feedback dividers, pre-divider (P), and post-divider (N), enabling precise frequency synthesis across two disjoint bands. Its VCO operates at 1950–2600 MHz, supporting output resolution of 435.9 Hz ÷ N.

It implements four factory-programmed configuration registers (P₀–P₃, MINT₀–MINT₃, MFRAC₀–MFRAC₃, N₀–N₃), selected by FSEL0/FSEL1 pins at power-up and reprogrammable via I²C. The device supports APR programming via ADC_GAIN[5:0] register (7.57–477.27 ppm/V at 3.3 V) and features internal pulldown/pullup resistors on all digital control inputs.

Key Specifications

Parameter	Value and Actual Design Meaning
Output Frequency Range	15.476–866.67 MHz and 975–1300 MHz - covers Ethernet, CPRI, OTU4, and SerDes reference clocking with dual-band flexibility.
RMS Phase Jitter (12 kHz–20 MHz)	0.487 ps typical at 156.25 MHz - meets stringent OC-192/SONET and 10G/25G Ethernet jitter budgets.
Absolute Pull Range (APR)	Programmable ±4.5 to ±754.5 ppm - enables fine-tuning for network synchronization (e.g., IEEE 1588 PTP slave lock).
Supply Voltage	2.5 V or 3.3 V ±5% - dual-voltage support simplifies integration into mixed-supply telecom platforms.
Operating Temperature	−40°C to +85°C - qualified for industrial-grade wireless infrastructure and carrier-grade networking equipment.
Output Interface	LVPECL differential (Q/nQ) - delivers 0.55–1.0 Vpp swing into 50 Ω, compatible with FPGA transceivers and ASIC clock inputs.
Control Interface	I²C (SDATA/SCLK) + dual LVCMOS/LVTTL FSEL0/FSEL1 - enables both factory-default boot and field reprogramming without hardware change.

Pinout & Package

8N3QV01EG-0102CDI uses a RoHS-compliant 10-lead ceramic CLCC package (5 mm × 7 mm × 1.55 mm, package code CD10), with 2.54 mm pitch and metallized bottom pad per IPC-7351B NSMD land pattern.

Pin/Terminal	Circuit Role	Design Meaning
1 (VC)	VCXO control voltage input	Analog tuning port; accepts 0–VCC range; gain set by ADC_GAIN[5:0]; linearity ±0.1% BSL ensures stable frequency vs. voltage response.
2 (OE)	Output enable (LVCMOS/LVTTL)	Asynchronous active-high control; drives Q/nQ into high-Z when low - enables dynamic clock gating in power-aware systems.
3 (VEE)	Negative supply	Ground reference for LVPECL outputs; must be connected to system ground with low-inductance path to minimize jitter.
4 (FSEL0), 5 (FSEL1)	Default frequency select inputs	LVCMOS/LVTTL inputs with internal pulldowns; select one of four factory-configured PLL register sets at power-up (00→Freq0, 11→Freq3).
6 (Q), 7 (nQ)	Differential LVPECL clock outputs	Low-impedance emitter-follower pair; requires 50 Ω termination to VCC–2 V (3.3 V) or ground (2.5 V); 100–425 ps rise/fall time.
8 (VCC)	Positive supply	2.5 V or 3.3 V ±5%; separate VCC/VEE rails isolate PLL core from output stage noise - critical for sub-0.5 ps jitter performance.
9 (SDATA)	I²C bidirectional data	Open-drain output / CMOS input; supports standard-mode I²C (100 kHz); used to read/write PLL configuration registers and APR settings.
10 (SCLK)	I²C clock input	LVCMOS/LVTTL-compatible clock; synchronizes register access; internal pullup enables bus operation with single external master.

Key Features

Feature	Design Value
Quad-frequency default selection	Four independent PLL configurations stored in volatile I²C registers, selectable at power-up via FSEL0/FSEL1 - eliminates need for external configuration EEPROM.
Fractional-N PLL with delta-sigma modulation	Enables ultra-fine frequency resolution (435.9 Hz ÷ N) and robust noise shaping - achieves <0.5 ps jitter while supporting wide output band coverage.
Programmable APR via ADC_GAIN register	6-bit ADC_GAIN[5:0] controls oscillator gain from 7.57 to 477.27 ppm/V - allows APR optimization for specific loop bandwidth and stability requirements.
Internal input biasing	FSEL0/FSEL1 have internal pulldowns; OE, SCLK, SDATA have internal pullups - reduces external component count and PCB footprint in space-constrained modules.
High-reference-frequency architecture	114.285 MHz crystal oscillator minimizes multiplication-induced phase noise - key enabler for meeting ITU-T G.8262 EEC-2 wander and jitter masks.

Applications

Wireless Base Station Radio Unit	Optical Transport Network Line Card
Use Scenario: Provides synchronized reference clocks for multiple 5G NR massive MIMO RFICs and ADC/DACs in an O-RAN compliant RU. IC Role / Device Role / Timing Role: Quad-frequency VCXO supplying 122.88 MHz (CPRI), 156.25 MHz (eCPRI), 245.76 MHz (FR2), and 307.2 MHz (FR1) with APR tuning for fronthaul delay compensation. Use Value: Eliminates need for four discrete XO/VCXOs; single-device multi-frequency agility reduces BOM cost and board area by >60% versus discrete solutions.	Use Scenario: Generates SONET/SDH and OTU4 reference clocks in a multi-service transport platform with packet-optical convergence. IC Role / Device Role / Timing Role: Programmable VCXO delivering 155.52 MHz (STM-1), 622.08 MHz (STM-4), 2488.32 MHz (STM-16), and 9953.28 MHz (OTU4) with APR for TSG holdover calibration. Use Value: Meets GR-1244-CORE jitter compliance across all rates; APR programmability enables traceable calibration against primary reference clocks (PRCs).
Enterprise Switch Fabric Timing	Industrial Ethernet Gateway
Use Scenario: Supplies low-jitter clocks to switch ASICs, PHYs, and PCIe Gen4 SerDes in a 10/25/100 GbE top-of-rack switch. IC Role / Device Role / Timing Role: LVPECL VCXO generating 156.25 MHz (10GBASE-R), 312.5 MHz (25GBASE-R), 625 MHz (50GBASE-R), and 1.25 GHz (100GBASE-R) with APR for PTP boundary clock alignment. Use Value: Sub-0.5 ps jitter ensures <1 ns time stamp uncertainty in IEEE 1588v2 implementations; I²C reprogrammability supports firmware-based rate switching.	Use Scenario: Provides deterministic clocking for PROFINET IRT, EtherCAT, and Time-Sensitive Networking (TSN) endpoints in factory automation gateways. IC Role / Device Role / Timing Role: Industrial-temp VCXO delivering 8 MHz (microcontroller sysclk), 25 MHz (USB PHY), 125 MHz (GigE MAC), and 200 MHz (PCIe root complex) with APR for temperature drift compensation. Use Value: −40°C to +85°C operation ensures timing stability across harsh plant-floor environments; LVPECL output drives long backplane traces with minimal skew.

Wireless Base Station Radio Unit

Optical Transport Network Line Card

Use Scenario: Provides synchronized reference clocks for multiple 5G NR massive MIMO RFICs and ADC/DACs in an O-RAN compliant RU.

IC Role / Device Role / Timing Role: Quad-frequency VCXO supplying 122.88 MHz (CPRI), 156.25 MHz (eCPRI), 245.76 MHz (FR2), and 307.2 MHz (FR1) with APR tuning for fronthaul delay compensation.

Use Value: Eliminates need for four discrete XO/VCXOs; single-device multi-frequency agility reduces BOM cost and board area by >60% versus discrete solutions.

Use Scenario: Generates SONET/SDH and OTU4 reference clocks in a multi-service transport platform with packet-optical convergence.

IC Role / Device Role / Timing Role: Programmable VCXO delivering 155.52 MHz (STM-1), 622.08 MHz (STM-4), 2488.32 MHz (STM-16), and 9953.28 MHz (OTU4) with APR for TSG holdover calibration.

Use Value: Meets GR-1244-CORE jitter compliance across all rates; APR programmability enables traceable calibration against primary reference clocks (PRCs).

Enterprise Switch Fabric Timing

Industrial Ethernet Gateway

Use Scenario: Supplies low-jitter clocks to switch ASICs, PHYs, and PCIe Gen4 SerDes in a 10/25/100 GbE top-of-rack switch.

IC Role / Device Role / Timing Role: LVPECL VCXO generating 156.25 MHz (10GBASE-R), 312.5 MHz (25GBASE-R), 625 MHz (50GBASE-R), and 1.25 GHz (100GBASE-R) with APR for PTP boundary clock alignment.

Use Value: Sub-0.5 ps jitter ensures <1 ns time stamp uncertainty in IEEE 1588v2 implementations; I²C reprogrammability supports firmware-based rate switching.

Use Scenario: Provides deterministic clocking for PROFINET IRT, EtherCAT, and Time-Sensitive Networking (TSN) endpoints in factory automation gateways.

IC Role / Device Role / Timing Role: Industrial-temp VCXO delivering 8 MHz (microcontroller sysclk), 25 MHz (USB PHY), 125 MHz (GigE MAC), and 200 MHz (PCIe root complex) with APR for temperature drift compensation.

Use Value: −40°C to +85°C operation ensures timing stability across harsh plant-floor environments; LVPECL output drives long backplane traces with minimal skew.

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 LVPECL; fixed 10-pin SOIC package; max output 210 MHz; no APR programming - only frequency programmable via I²C.	Limited to single-ended clock trees; unsuitable for high-speed differential SerDes interfaces requiring LVPECL drive strength and noise immunity.	Select only if system uses CMOS-only receivers and operates below 210 MHz; verify layout can accommodate higher jitter (1.2 ps typical).
8A34002	Multi-output (4x LVDS/LVPECL); includes integrated jitter cleaner; requires external crystal; larger 32-pin QFN; higher power (220 mA).	Targets jitter-cleaning applications (e.g., retiming 10G WAN PHY); adds complexity and cost where simple VCXO functionality suffices.	Choose only when sub-0.1 ps integrated jitter cleaning is required; avoid if design needs compact size, low power (<150 mA), or direct VCXO control.

Compared with Si510-PROG and 8A34002, the 8N3QV01EG-0102CDI uniquely balances quad-frequency flexibility, LVPECL output, APR programmability, and compact ceramic packaging - making it optimal for space-constrained, multi-rate telecom and industrial timing where differential signaling and fine-tuning are mandatory.

Availability

8N3QV01EG-0102CDI is available at Aetrix Electronics and suitable for wireless infrastructure, optical transport networks, and industrial Ethernet gateway designs requiring stable component supply, guaranteed lead times, and full RoHS-6 compliance.

Supply support for 8N3QV01EG-0102CDI 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 for automotive, industrial, and communications markets.

The 8N3QV01EG-0102CDI belongs to Renesas' FemtoClock® NG high-performance clock family, engineered specifically for low-jitter, multi-frequency programmable timing in carrier-grade wireless and optical infrastructure equipment.

FAQ

What is the factory-programmed default frequency set for 8N3QV01EG-0102CDI?

The 8N3QV01EG-0102CDI is factory-programmed with four default frequencies corresponding to order code "0102": 100 MHz, 122.88 MHz, 125 MHz, and 156.25 MHz. These are loaded into registers P₀–P₃, MINT₀–MINT₃, MFRAC₀–MFRAC₃, and N₀–N₃ at power-up and selected via FSEL0/FSEL1 pin states. The exact values are confirmed in Renesas' FemtoClock NG Ordering Product Information document for code 0102.

Does 8N3QV01EG-0102CDI support both 2.5 V and 3.3 V supply operation simultaneously?

No - the 8N3QV01EG-0102CDI operates exclusively at either 2.5 V or 3.3 V, as defined by its option code "E" (3.3 V ±5%). It does not support dual-supply or auto-detect modes. Supply voltage must be stable within ±5% tolerance; VCC and VEE must be decoupled with 0.1 µF ceramic capacitors placed adjacent to pins 8 and 3 respectively to maintain sub-0.5 ps jitter performance.

How is the Absolute Pull Range (APR) programmed on 8N3QV01EG-0102CDI?

The APR of 8N3QV01EG-0102CDI is programmed via the 6-bit ADC_GAIN[5:0] register over I²C, which sets oscillator gain from 7.57 ppm/V to 477.27 ppm/V at 3.3 V. Combined with VC input range (0–VCC), this yields APR from ±4.5 ppm to ±754.5 ppm. The setting is volatile and must be reloaded after each power cycle unless shadowed externally.

Can 8N3QV01EG-0102CDI generate frequencies outside the 15.476–866.67 MHz and 975–1300 MHz ranges?

No - the 8N3QV01EG-0102CDI's PLL architecture and VCO range (1950–2600 MHz) constrain valid output frequencies strictly to those two bands. Frequencies between 866.67 MHz and 975 MHz are unsupported due to VCO and divider limitations. Attempting to program values outside these ranges results in undefined behavior or failure to lock.

What termination is required for the LVPECL outputs of 8N3QV01EG-0102CDI at 3.3 V supply?

At 3.3 V, the 8N3QV01EG-0102CDI LVPECL outputs (Q/nQ) require termination to VCC – 2 V = 1.3 V. Recommended topology uses two 84 Ω resistors from Q and nQ to 3.3 V, plus a 125 Ω resistor from the differential pair midpoint to 1.3 V - forming a Thevenin-equivalent 50 Ω load per leg. This matches the device's 50 Ω differential drive capability and minimizes reflections on high-speed PCB traces.

8N3QV01EG-0102CDI Specifications

Product attributes: Attribute value

Manufacturer:: Renesas

Series:: FemtoClock® NG

Package/Case:: 10-CLCC

Packaging:: Tray

Product Status:: Active

Type:: VCXO

Count:: -

Frequency:: 25MHz, 50MHz, 100MHz, 125MHz

Voltage - Supply:: 3.135V ~ 3.465V

Current - Supply:: 150 mA

Operating Temperature:: -40°C ~ 85°C

Supplier Device Package:: 10-CLCC (7x5)

Mounting Type:: Surface Mount

Grade:: -

Qualification:: -

8N3QV01EG-0102CDI FAQ

1.How can I place an order for 8N3QV01EG-0102CDI through Aetrix?

Please submit a Request for Quotation (RFQ) for 8N3QV01EG-0102CDI 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 8N3QV01EG-0102CDI reliable?

The price and inventory of 8N3QV01EG-0102CDI are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 8N3QV01EG-0102CDI is usually 5 days.

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We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 8N3QV01EG-0102CDI transactions.

Note: Certain payment methods may incur a processing fee.

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8N3QV01EG-0102CDI orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your 8N3QV01EG-0102CDI 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 8N3QV01EG-0102CDI?

For technical support, including 8N3QV01EG-0102CDI datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 8N3QV01EG-0102CDI requirements.

6.How does Aetrix verify that 8N3QV01EG-0102CDI is sourced from the original manufacturer or authorized distributors?

All 8N3QV01EG-0102CDI 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 8N3QV01EG-0102CDI meets industry standards.

7.What is the process for return or replacement of 8N3QV01EG-0102CDI?

All 8N3QV01EG-0102CDI units undergo pre-shipment inspection (PSI). If there is an issue with 8N3QV01EG-0102CDI, 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 8N3QV01EG-0102CDI part is unused and in its original packaging.

Return procedure for 8N3QV01EG-0102CDI:

1.Submit a request within 90 days.

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

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