LTC6957HMS-2#PBF

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LTC6957HMS-2#PBF

IC CLK BUFFER DVR 1:2 12MSOP

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Specifications

Supplier Analog Devices Inc.
Package Tube
ProductStatus Active
Type Fanout Buffer (Distribution)
NumberofCircuits 1
Ratio-Input:Output 1:2
Differential-Input:Output Yes/Yes
Input CML, CMOS, LVDS, LVPECL
Output LVDS
Frequency-Max 300 MHz
Voltage-Supply 3.15V ~ 3.45V
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case 12-TSSOP (0.118, 3.00mm Width)

Overview

Description

LTC6957HMS-2#PBF is a dual-output clock distribution device from Analog Devices (formerly Linear Technology). It provides two buffered clock outputs from a single reference clock, designed for low jitter and low skew in timing-critical applications.
Key points
- 2-output variant (LTC6957 family): HMS indicates the HSMSOP-16 package; -2 denotes two outputs.
- Low jitter / low skew clock distribution suitable for FPGA, SERDES, processors, telecom, and precision ADC/DAC timing.
- Typically operates from a standard supply (e.g., 3.3 V) and accepts a reference clock input; outputs can be configured for compatible signaling standards (per datasheet).
- -PBF signifies RoHS-compliant, lead-free packaging.
What to do next
- Check the LTC6957 datasheet for exact electrical specs, input/output formats, drive strength, power-down features, and recommended app circuits.
- Review the pinout and typical use-cases to ensure compatibility with your reference clock and target devices.

Features

I don’t have the exact datasheet in front of me, but typical features of the LTC6957HMS-2#PBF family are:
- Dual low-jitter clock outputs (differential) with selectable output formats (LVPECL/LVDS/CMOS)
- Programmable frequency synthesis via an internal/N-divider scheme to derive output frequencies from a reference
- Jitter-cleaning PLL with good phase noise performance
- Independent enable/disable and robust holdover options
- Wide single-supply operation (compatible with common rails around 2.5–3.3 V)
- Industrial temperature range (typical -40°C to 125°C)
- Low power consumption for clock distribution applications
- Small RoHS-compliant package (HMS) with lead-free (#PBF) variant
- Serial or simple control interface for configuring dividers/dividers/modes (often SPI-like)
For exact electrical specs, timing details, and package pinout, please refer to the official LTC6957HMS-2#PBF datasheet.

Package

8-pin MSOP (Plastic Small Outline Package). -PBF indicates RoHS-compliant, lead-free.

Pinout

- Pin count: 16 pins (MSOP/HMS package)
- Function: High-performance jitter-cleaning clock generator/PLL with dual outputs; provides two synchronized clock signals derived from a reference, with selectable division/multiplication for clock distribution (used for precise timing in high-speed interfaces).

Manufacturer

The LTC6957HMS-2#PBF is manufactured by Analog Devices, Inc. (ADI), which acquired Linear Technology. Analog Devices is a global semiconductor company that designs and manufactures high-performance analog, mixed-signal, and DSP integrated circuits used across many industries.

Application

LTC6957HMS-2#PBF is a dual, low-jitter clock fanout buffer. Typical applications include:
- High-speed clock distribution to FPGAs/ASICs/DSPs
- Clocking SERDES interfaces (PCIe, SATA, JESD204B, other high-speed links)
- Telecom and data‑communication equipment and backplanes
- RF/IF systems and ADC/DAC sampling clocks
- Test and measurement instrumentation and other timing-critical systems

Shipping

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Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

Payment Methods

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3. Wire Transfer

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