LMK00304SQ The Texas Instruments LMK00304SQ is a 3.1-GHz differential clock buffer and level translator with 4 configurable outputs. It operates across an industrial temperature range.
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LMK00304SQ

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Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments LMK00304SQ is a 3.1-GHz differential clock buffer and level translator with 4 configurable outputs. It operates across an industrial temperature range.
✓ Total Stock: 4,520 pcs
$ Price Range: $3.00

LMK00304SQ Available from 1 distributor

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LMK00304SQ Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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Manufacturer Name
SVHC Present

LMK00304SQ Description

Short technical summary and product information.

The LMK00304SQ from Texas Instruments is a high-performance differential clock buffer and level translator designed for demanding high-frequency applications. It features a 3.1-GHz maximum input frequency and supports a variety of input signal types including LVPECL, LVDS, CML, SSTL, HSTL, HCSL, and single-ended clocks. The device offers a 3:1 input multiplexer and a crystal input that accepts frequencies from 10 MHz to 40 MHz.

 

This clock buffer provides two banks, each with two differential outputs that are selectable between LVPECL, LVDS, HCSL, or Hi-Z states. It boasts very low additive jitter, with typical values of 20 fs RMS (10 kHz to 1 MHz) and 51 fs RMS (12 kHz to 20 MHz) when used with an LMK03806 clock source at 156.25 MHz. High Power Supply Rejection Ratio (PSRR) is also a key feature, with -65 dBc for LVPECL and -76 dBc for LVDS at 156.25 MHz.

 

The LMK00304SQ supports a core supply voltage of 3.3 V ± 5% and three independent VCCO output supplies of 3.3 V or 2.5 V ± 5%. Configuration is managed via pin control, and it includes an LVCMOS output with a synchronous enable input. The device operates within an industrial temperature range of -40°C to +85°C.

 

Packaged in a 32-lead WQFN (5 mm x 5 mm) with surface mount termination, the LMK00304SQ is suitable for various high-frequency timing distribution needs.

LMK00304SQ Quick Information

Product Type: Clock Buffer/Driver
Canonical Name: LMK00304SQ 3.1-GHz Differential Clock Buffer/Level Translator
Subcategory: Differential Clock Buffer/Level Translator

LMK00304SQ Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): Level-3-260C-168 HR
REACH Status: REACH Unaffected

LMK00304SQ Estimated Pricing

Qty Low High
1+ $3.00 $3.00

Estimated market price range - modelled values for guidance only, not live distributor offers.

LMK00304SQ Features

  • 3.1 GHz maximum input frequency.
  • 4 configurable differential outputs.
  • Low LVPECL additive jitter.
  • High PSRR for noise immunity.
  • Industrial temperature range operation.

LMK00304SQ Applications

  • High-speed clock distribution.
  • Signal level translation.
  • Low jitter timing systems.
  • RF and communication systems.

LMK00304SQ FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating temperature range of the LMK00304SQ?

The LMK00304SQ operates from -40°C to 85°C.

What package does the LMK00304SQ come in?

The LMK00304SQ is offered in a 32-lead WQFN (RTV) package measuring 5 mm x 5 mm.

What input multiplexer configuration does the LMK00304SQ have?

The device features a 3:1 input multiplexer.

What is the maximum frequency for the universal inputs?

The universal inputs operate up to 3.1 GHz.

What output signal types are supported?

Each output bank can be configured as LVPECL, LVDS, HCSL, or Hi-Z.

What is the additive jitter performance?

Typical LVPECL additive jitter is 20 fs RMS (10 kHz – 1 MHz) and 51 fs RMS (12 kHz – 20 MHz) with an LMK03806 clock source at 156.25 MHz.

What are the supply voltage requirements?

The core supply (VCC) is 3.3 V ±5%, and the output supplies (VCCO) are 3.3 V or 2.5 V ±5%.

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