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LMK00304SQE/NOPB

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Clock Buffer 3.1GHz Diff Clock Bfr/Level Trans

  • Package/Case :
  • QFN-32
  • Product Categories :
  • Clock Buffer
  • RoHs Status:
  • Rohs
  • Marking Code:
  • K00304
  • In-stock:
  • 857

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LMK00304SQE/NOPB Product Details

The LMK00304SQE/NOPB is a 3-GHz 4-output differential fanout buffer intended for high-frequency,low-jitter clock/data distribution and level translation. The input clock can be selected from twouniversal inputs or one crystal input. The selected input clock is distributed to two banks of 2differential outputs and one LVCMOS output. The differential output banks can be mutuallyconfigured as LVPECL, LVDS, or HCSL drivers, or disabled. The LVCMOS output has a synchronousenable input for runt-pulse-free operation when enabled or disabled. The LMK00304SQE/NOPB operates from a3.3 V core supply and 3 independent 3.3 V/2.5 V output supplies.

The LMK00304SQE/NOPB provides high performance, versatility, and power efficiency, making itideal for replacing fixed-output buffer devices while increasing timing margin in thesystem.

LMK00304SQE/NOPB

Feature

  • 3:1 InputMultiplexer
    • Two Universal Inputs Operate up to 3.1 GHz and Accept LVPECL,LVDS, CML, SSTL, HSTL, HCSL, or Single-Ended Clocks
    • One Crystal Input Accepts a10-MHz to 40-MHz Crystal or Single-Ended Clock
  • TwoBanks With 2 Differential Outputs Each
    • LVPECL, LVDS, HCSL, or Hi-Z(Selectable)
    • LVPECL Additive Jitter with LMK03806 Clock Source at 156.25MHz:
      • 20 fs RMS (10 kHz to 1 MHz)
      • 51 fs RMS (12 kHz to 20 MHz)
  • High PSRR: –65 /–76 dBc (LVPECL/LVDS) at 156.25 MHz
  • LVCMOS Output with Synchronous EnableInput
  • Pin-ControlledConfiguration
  • VCC Core Supply: 3.3 V ±5%
  • 3 Independent VCCO Output Supplies: 3.3 V/2.5 V ±5%
  • Industrial Temperature Range: –40°C to +85°C
  • 32-leadWQFN (5 mm × 5 mm)

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LMK00304SQE/NOPB Block Diagram
(Picture: Diagram)

Technical Parameters

  • Number of Outputs
  • 2
  • Max Input Freq
  • 3.1 GHz
  • Propagation Delay (Max)
  • 1550 ps
  • Supply Voltage Max
  • 3.45 V
  • Supply Voltage Min
  • 3.15 V
  • Maximum Operating Temperature
  • + 85 C
  • Minimum Operating Temperature
  • - 40 C
  • Package / Case
  • LLP-32
  • Packaging
  • Reel
  • Mounting Style
  • SMD/SMT
  • Factory Pack Quantity
  • 250
  • Supply Current
  • 13.5 mA

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2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.

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Q: What is the process for returns or replacement of LMK00304SQE/NOPB?
All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the LMK00304SQENOPB we delivered, we will accept the replacement or return of the LMK00304SQE/NOPB only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of LMK00304SQE/NOPB.
(3)The LMK00304SQE/NOPB is unused and only in the original unpacked packaging.
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(1)Inform us within 90 days
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More details about return electronic components please see our Return & Change Policy.
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Texas Instruments, Inc

TI
Texas Instruments Incorporated designs and manufactures analog technologies, digital signal processing (DSP) and microcontroller (MCU) semiconductors. TI is a leader in semiconductor solutions for analog and digital embedded and applications processing....
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