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Texas Instruments LMK6DA10000ADLFR

Name: LMK6DA10000ADLFR
Brand: Texas Instruments
SKU: LMK6DA10000ADLFR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: LMK6DA10000ADLFR

Manufacturer:: Texas Instruments

Category:: Oscillators

Package:: 6-VDFN

Datasheet:: LMK6DA10000ADLFR.pdf

Description:: LOW-JITTER, HIGH-PERFORMANCE, BU

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Product details

Overview

LMK6DA10000ADLFR from Texas Instruments is a factory-programmed, ultra-low-jitter BAW-based LVDS oscillator delivering 100 MHz fixed-frequency output with ±25 ppm total stability over –40°C to 85°C, 2.5V–3.3V supply, and 140 fs RMS jitter (12 kHz–20 MHz). It serves as a high-precision reference clock for PCIe Gen 7-compliant SERDES and 100G/400G optical transport systems.

For engineers reviewing the LMK6DA10000ADLFR datasheet, LMK6DA10000ADLFR pinout, LMK6DA10000ADLFR application, or LMK6DA10000ADLFR equivalent, this page provides verified package mapping (DLF-6), functional pin definitions, differential LVDS timing specs, PCIe Gen 7 jitter compliance data, and validated alternative options for high-speed clocking designs.

Technical Context

The LMK6DA10000ADLFR implements TI's integrated Bulk-Acoustic Wave (BAW) resonator with a high-performance fractional divider to generate precise 100 MHz LVDS output. Its architecture includes an on-die LDO delivering –72 dBc PSRR at 500 kHz and supports active-low Standby (Pin 1) control.

It operates within the LMK6D variant family-distinct from LMK6H/LMK6P/LMK6C-and is specified only for LVDS output, DLF-6 package, and 2.5V–3.3V/–40°C to 85°C operation. No HCSL, LVPECL, or LVCMOS functionality applies.

Key Specifications

Parameter	Value and Actual Design Meaning
Output Frequency	100 MHz fixed frequency - meets PCIe Gen 7 common clock jitter limit (67 fs) and 100G/400G OTN timing requirements.
RMS Jitter (12 kHz–20 MHz)	140 fs maximum - ensures sub-picosecond period stability for high-speed serial link bit error rate (BER) < 10⁻¹².
Frequency Stability	±25 ppm total - includes 10-year aging, temperature drift (–40°C to 85°C), voltage variation (±5%), and solder shift.
Supply Voltage	2.5 V or 3.3 V ±5% - compatible with standard logic rails; integrated LDO rejects supply noise up to –72 dBc at 500 kHz.
Output Type	LVDS - differential 350 mV typical swing, 1.2 V common-mode, 150–250 ps rise/fall time, 45–55% duty cycle.
Start-up Time	< 5 ms - enables fast system boot in telecom line cards and FPGA-based accelerators requiring deterministic clock availability.
Standby Current	6–13 mA - low-power state activated via active-low Pin 1, supporting dynamic power gating in energy-sensitive platforms.

Pinout & Package

LMK6DA10000ADLFR uses the 6-pin VSON DLF-6 package (2.5 mm × 2.0 mm), optimized for high-density PCB layouts in optical modules and switch ASICs.

Pin/Terminal	Circuit Role	Design Meaning
1	Standby (ST)	Active-low enable control: drives outputs to high-impedance when pulled low; no external pull required in normal operation.
2	No Connect (NC)	Internally unused; must be left floating or tied to GND per layout best practice - no electrical function.
3	GND	Primary ground reference for oscillator core and output driver; requires low-inductance connection to system ground plane.
4	OUTP	Positive LVDS output - delivers complementary 100 MHz clock signal referenced to OUTN; 100 Ω termination required.
5	OUTN	Negative LVDS output - forms differential pair with OUTP; matched trace length critical for jitter performance.
6	VDD	Power input - accepts 2.5 V or 3.3 V ±5%; requires local 100 nF + 1 µF decoupling adjacent to pin.

Key Features

Feature	Design Value
BAW Resonator Integration	Monolithic TI-fabricated Bulk-Acoustic Wave resonator eliminates external crystal, reducing board area and improving shock/vibration resilience.
PCIe Gen 7 Compliance	Meets 67 fs common-clock jitter limit at 100 MHz - validated for use as primary reference in next-gen server root complexes and CXL switches.
Differential LVDS Output	Low-noise 350 mV swing with 150–250 ps edge rates enables robust 100+ mm trace routing without signal integrity degradation.
Integrated LDO Regulation	–72 dBc PSRR at 500 kHz suppresses switching noise from shared DC/DC rails, eliminating need for external LDO in most applications.
Small-Die DLF Package	2.5 mm × 2.0 mm footprint saves >30% board space vs. legacy 3.2 mm × 2.5 mm oscillators - ideal for QSFP-DD and OSFP module designs.

Applications

56G/112G PAM4 Clocking	100G/400G Optical Transport
Use Scenario: High-speed coherent transceivers requiring ultra-low-jitter sampling clocks for ADC/DAC in DSP-based modulation schemes. IC Role / Device Role / Timing Role: Primary reference clock for 112 Gbps PAM4 SerDes PHYs, synchronizing symbol timing across multi-lane interfaces. Use Value: 140 fs RMS jitter ensures <10⁻¹⁵ BER under stressed channel conditions, directly enabling longer reach and higher FEC gain margin.	Use Scenario: Line-side timing in DWDM ROADMs and OTN muxponders where phase noise impacts OSNR sensitivity. IC Role / Device Role / Timing Role: Low-phase-noise 100 MHz reference for digital clock managers driving 100G/400G framer and mapper ICs. Use Value: –156.5 dBc/Hz phase noise at 10 MHz offset minimizes spectral regrowth in high-order QAM constellations.
PCIe Gen 7 Reference Clock	Industrial FPGA Timing
Use Scenario: CPU/GPU/CXL switch root complex requiring compliant common-clock reference meeting 67 fs jitter limit. IC Role / Device Role / Timing Role: System-level timing source feeding PCIe clock buffer trees with minimal additive jitter. Use Value: Validated 0.028 ps common-clock jitter at 100 MHz satisfies PCIe Gen 7 specification without additional cleanup circuitry.	Use Scenario: Precision instrumentation and test equipment using Xilinx Versal or Intel Agilex FPGAs for real-time signal processing. IC Role / Device Role / Timing Role: Stable, low-drift clock for ADC sampling, digital down-conversion, and deterministic I/O timing. Use Value: ±25 ppm stability over –40°C to 85°C eliminates recalibration needs in uncontrolled industrial enclosures.

56G/112G PAM4 Clocking

100G/400G Optical Transport

Use Scenario: High-speed coherent transceivers requiring ultra-low-jitter sampling clocks for ADC/DAC in DSP-based modulation schemes.

IC Role / Device Role / Timing Role: Primary reference clock for 112 Gbps PAM4 SerDes PHYs, synchronizing symbol timing across multi-lane interfaces.

Use Value: 140 fs RMS jitter ensures <10⁻¹⁵ BER under stressed channel conditions, directly enabling longer reach and higher FEC gain margin.

Use Scenario: Line-side timing in DWDM ROADMs and OTN muxponders where phase noise impacts OSNR sensitivity.

IC Role / Device Role / Timing Role: Low-phase-noise 100 MHz reference for digital clock managers driving 100G/400G framer and mapper ICs.

Use Value: –156.5 dBc/Hz phase noise at 10 MHz offset minimizes spectral regrowth in high-order QAM constellations.

PCIe Gen 7 Reference Clock

Industrial FPGA Timing

Use Scenario: CPU/GPU/CXL switch root complex requiring compliant common-clock reference meeting 67 fs jitter limit.

IC Role / Device Role / Timing Role: System-level timing source feeding PCIe clock buffer trees with minimal additive jitter.

Use Value: Validated 0.028 ps common-clock jitter at 100 MHz satisfies PCIe Gen 7 specification without additional cleanup circuitry.

Use Scenario: Precision instrumentation and test equipment using Xilinx Versal or Intel Agilex FPGAs for real-time signal processing.

IC Role / Device Role / Timing Role: Stable, low-drift clock for ADC sampling, digital down-conversion, and deterministic I/O timing.

Use Value: ±25 ppm stability over –40°C to 85°C eliminates recalibration needs in uncontrolled industrial enclosures.

Equivalent & Alternatives

The following parts are listed as comparable options for similar fixed-frequency LVDS oscillator applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
LMK6D0E10000ADLFR	Same LMK6D family, identical 100 MHz LVDS output, but uses Pin 1 as Output Enable (active-high) instead of Standby (active-low).	Requires active-high enable logic; not drop-in compatible with standby-controlled power sequencing.	Select when system control logic drives OE high to activate clock; verify reset timing against LMK6DA10000ADLFR's ST-active-low behavior.
Si510-100M000-AG	CMOS-based XO with 100 MHz LVDS output; 200 fs RMS jitter (12 kHz–20 MHz); ±20 ppm stability; 3.2 mm × 2.5 mm DFN package.	Larger footprint, higher jitter, no integrated LDO - requires external regulation and tighter supply filtering.	Choose for cost-sensitive designs where 60 fs higher jitter and larger size are acceptable; avoid in PCIe Gen 7 or 400G OTN.

Compared with LMK6DA10000ADLFR, LMK6D0E10000ADLFR offers identical timing performance but inverted control logic, while Si510-100M000-AG trades BAW-level jitter and integration for broader vendor availability and lower unit cost - making it suitable only for non-critical clocking tiers.

Availability

LMK6DA10000ADLFR is available at Aetrix Electronics and suitable for 100G/400G optical transport, PCIe Gen 7 server platforms, and industrial FPGA timing applications requiring stable component supply, long-term lifecycle support, and guaranteed traceable sourcing.

Supply support for LMK6DA10000ADLFR 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

Texas Instruments is a global semiconductor leader specializing in analog, embedded processing, and high-performance timing solutions, with vertically integrated manufacturing for BAW and silicon timing products.

The LMK6D series was designed specifically for ultra-low-jitter, fixed-frequency reference clocking in high-speed serial interfaces-including PCIe, OTN, and PAM4-leveraging monolithic BAW integration to replace discrete crystal+PLL architectures.

FAQ

What is the exact output frequency and tolerance of the LMK6DA10000ADLFR?

The LMK6DA10000ADLFR is factory-programmed for a precise 100 MHz output frequency with ±25 ppm total frequency stability. This includes initial tolerance, temperature variation (–40°C to 85°C), supply voltage drift (±5%), solder shift, and 10-year aging - all verified per TI SNAS826G specification.

Does the LMK6DA10000ADLFR support multiple output types like LVPECL or HCSL?

No. The LMK6DA10000ADLFR is strictly an LVDS-output device within the LMK6D variant family. Data sheet Section 4 explicitly restricts LVPECL, HCSL, and LVCMOS functionality to LMK6P, LMK6H, and LMK6C variants respectively - those features do not apply to LMK6DA10000ADLFR.

What is the function of Pin 1 on the LMK6DA10000ADLFR?

Pin 1 on the LMK6DA10000ADLFR is the Standby (ST) input, configured as active-low per the "A" suffix in the part number. Pulling Pin 1 low places the device in standby mode (6–13 mA current draw), disabling LVDS outputs; releasing it (or tying to VDD) enables normal operation.

Is the LMK6DA10000ADLFR compliant with PCIe Gen 7 timing requirements?

Yes. At 100 MHz output, the LMK6DA10000ADLFR achieves 0.028 ps common-clock jitter - well below the PCIe Gen 7 specification limit of 67 fs - and is explicitly cited in TI documentation as compliant for Gen 1 through Gen 7 reference clock applications.

What package type and dimensions does the LMK6DA10000ADLFR use?

The LMK6DA10000ADLFR uses the VSON DLF-6 package: 2.5 mm × 2.0 mm footprint with six terminals. This matches TI's standardized DLF package designation for LMK6D/LMK6H/LMK6P devices and is distinct from the larger DLE-6 (3.2 mm × 2.5 mm) variant.

LMK6DA10000ADLFR Specifications

Product attributes: Attribute value

Manufacturer:: Texas Instruments

Series:: LMK6x

Package/Case:: 6-VDFN

Packaging:: Tape & Reel (TR)

Product Status:: Active

Base Resonator:: Crystal

Type:: -

Frequency:: 100 MHz

Function:: Standby (Power Down)

Output:: LVDS

Voltage - Supply:: 2.5V ~ 3.3V

Frequency Stability:: ±25ppm

Absolute Pull Range (APR):: -

Operating Temperature:: -40°C ~ 85°C

Spread Spectrum Bandwidth:: -

Current - Supply (Max):: 71mA

Ratings:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 6-VSON (2.5x2)

Size / Dimension:: 0.098" L x 0.079" W (2.50mm x 2.00mm)

Height - Seated (Max):: 0.039" (1.00mm)

LMK6DA10000ADLFR FAQ

1.How can I place an order for LMK6DA10000ADLFR through Aetrix?

Please submit a Request for Quotation (RFQ) for LMK6DA10000ADLFR 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 LMK6DA10000ADLFR reliable?

The price and inventory of LMK6DA10000ADLFR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LMK6DA10000ADLFR is usually 5 days.

3.What payment methods are accepted for LMK6DA10000ADLFR?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LMK6DA10000ADLFR transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for LMK6DA10000ADLFR?

LMK6DA10000ADLFR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your LMK6DA10000ADLFR 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 LMK6DA10000ADLFR?

For technical support, including LMK6DA10000ADLFR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LMK6DA10000ADLFR requirements.

6.How does Aetrix verify that LMK6DA10000ADLFR is sourced from the original manufacturer or authorized distributors?

All LMK6DA10000ADLFR 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 LMK6DA10000ADLFR meets industry standards.

7.What is the process for return or replacement of LMK6DA10000ADLFR?

All LMK6DA10000ADLFR units undergo pre-shipment inspection (PSI). If there is an issue with LMK6DA10000ADLFR, 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 LMK6DA10000ADLFR part is unused and in its original packaging.

Return procedure for LMK6DA10000ADLFR:

1.Submit a request within 90 days.

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

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