LMK00301SQ/NOPB

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LMK00301SQ/NOPB

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IC CLK BUFFER 3:10 3.1GHZ 48WQFN

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Spezifikationen

Attribut Wert
Supplier Texas Instruments
Package / Case Tape & Reel (TR),Cut Tape (CT)
Part Status Active
Type Fanout Buffer (Distribution), Multiplexer, Translator
Number of Circuits 1
Ratio - Input: Output 3:11
Differential - Input: Output Yes/Yes
Input CML, HCSL, HSTL, LVDS, LVPECL, SSTL, Crystal
Output HCSL, LVCMOS, LVDS, LVPECL
Frequency - Max 3.1 GHz
Voltage - Supply 3.15V ~ 3.45V
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount

Übersicht

Description

LMK00301SQ/NOPB is TI’s low-jitter clock buffer with a built‑in jitter cleaner and 4-output fanout in a lead-free (NOPB) package (SQ package type). It cleans a reference clock and distributes a low-skew clock to multiple loads, making it ideal for synchronizing FPGAs, ASICs, and processors.
Key points:
- One reference, four outputs (low skew across outputs)
- Built‑in jitter cleaner to improve timing budgets
- Packaged in the SQ/lead-free package (LMK00301SQ) with NOPB suffix
- Used for clock distribution in high-speed digital systems; supports common clock formats and power-down/enable features
- Read the datasheet for exact input freq range, jitter specs, drive capabilities, and pinout
For a detailed introduction and design guidelines, refer to TI’s LMK00301 data sheet and application notes.

Features

Here are the typical features of TI’s LMK00301SQ/NOPB clock buffer/jitter cleaner:
- 1 clock input, 3 clock outputs (fanout 3)
- Output formats: selectable LVCMOS, LVDS, or LVPECL per output
- Input/output supply options around 3.3V (I/O could be 2.5V-compatible in some configurations)
- Low jitter and low skew clock distribution
- Spread-spectrum clocking to reduce EMI
- Enable/PWROFF control and per-output enable
- Power-down when unused (low power mode)
- Pb-free / RoHS-compliant (NOPB suffix)
- Small package and footprint (typical 8-pin package)
- Operating temperature range suitable for many embedded applications (typically -40°C to 85°C)
Note: exact voltage ranges, jitter specs, and package details are provided in the datasheet; confirm specific configuration for your design.

Pinout

Pin count: 16 pins (LMK00301SQ/NOPB in a 16‑pin QFN). Function: Low‑jitter clock generator and fanout buffer (jitter cleaner) that takes a reference clock and provides multiple cleaned output clocks for timing distribution.

Manufacturer

- Manufacturer: Texas Instruments Incorporated (TI).
- Company type: American multinational semiconductor company that designs and manufactures analog and embedded processing integrated circuits.

Application

LMK00301SQ/NOPB is a low-jitter, three-output clock generator/distributor with PLL. Typical application areas include:
- Clock generation/distribution for FPGAs, ASICs, and DSPs
- High-speed SERDES and memory timing (PCIe, SATA, USB, Ethernet; DDR/LPDDR)
- Telecom and data-center networking equipment
- Test and measurement equipment requiring multiple synchronized clocks
- Industrial and consumer electronics needing precise, clean clock references
It supports low jitter, reference conditioning, and spread-spectrum options for multiple synchronized clock outputs.

Package

LMK00301SQ/NOPB uses a 16-pin QFN package (4×4 mm) with an exposed pad; lead-free, RoHS-compliant (NOPB).

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