LMK00308SQX The Texas Instruments LMK00308SQX is a high-performance differential clock buffer and level translator. It features 8 configurable outputs and supports input frequencies up to 3.1 GHz.
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LMK00308SQX

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Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments LMK00308SQX is a high-performance differential clock buffer and level translator. It features 8 configurable outputs and supports input frequencies up to 3.1 GHz.
✓ Total Stock: 6,027 pcs
$ Price Range: $3.00

LMK00308SQX Available from 1 distributor

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LMK00308SQX Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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LMK00308SQX Description

Short technical summary and product information.

The LMK00308SQX from Texas Instruments is a 3-GHz, 8-output differential fanout buffer designed for high-frequency, low-jitter applications. It offers a versatile 3:1 input multiplexer with two universal inputs that can accept LVPECL, LVDS, CML, SSTL, HSTL, HCSL, or single-ended clocks up to 3.1 GHz. A dedicated crystal input accepts a 10 to 40 MHz crystal or single-ended clock.

 

The device provides two banks, each with 4 differential outputs that are selectable per bank, supporting LVPECL, LVDS, HCSL, or Hi-Z configurations. It boasts low additive jitter for LVPECL outputs and high PSRR for both LVPECL and LVDS outputs. The LMK00308SQX includes an LVCMOS output with a synchronous enable input and pin-controlled configuration.

 

This clock buffer operates with a 3.3V core supply and independent 3.3V/2.5V output supplies. It is housed in a 40-lead WQFN package measuring 6 mm x 6 mm and operates within an industrial temperature range of -40°C to +85°C. The LMK00308SQX is suitable for various timing distribution needs in complex electronic systems.

LMK00308SQX Quick Information

Product Type: Differential Clock Buffer/Level Translator
Series: LMK00308
Canonical Name: LMK00308SQX 3.1-GHz 8-Output Differential Clock Buffer/Level Translator
Subcategory: Clock Buffer/Level Translator

LMK00308SQX Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

LMK00308SQX Estimated Pricing

Qty Low High
1+ $3.00 $3.00

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

LMK00308SQX Features

  • 3.1 GHz differential clock buffer/level translator.
  • 8 configurable differential outputs.
  • Supports multiple input clock types.
  • Low additive jitter for LVPECL outputs.
  • Industrial temperature range: -40°C to +85°C.

LMK00308SQX Applications

  • High-frequency clock distribution.
  • Low-jitter timing applications.
  • Systems requiring multiple clock outputs.
  • Level translation for clock signals.

LMK00308SQX FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input frequency range of the LMK00308SQX?

The universal inputs operate up to 3.1 GHz, and the crystal input accepts 10 to 40 MHz.

What output types are supported?

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

What is the additive jitter performance?

Additive jitter is 20 fs RMS (10 kHz to 1 MHz) and 51 fs RMS (12 kHz to 20 MHz) with a 156.25 MHz clock source.

What is the supply voltage requirement?

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

What is the operating temperature range?

The operating temperature range is -40°C to 85°C.

What package is the LMK00308SQX available in?

It is available in a 40-pin WQFN (RTA) package measuring 6 mm x 6 mm.

Does the device have a crystal input?

Yes, it has one crystal input that accepts a 10 to 40 MHz crystal or single-ended clock.

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