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SY54020R - Low Voltage 1.2V/1.8V/2.5V CML 1:4 Fanout Buffer

Description

The SY54020R is a fully differential, low voltage 1.2V/1.8V/2.5V CML 1:4 Fanout Buffer with active-low Enable (/EN) and Fail-Safe Input (FSI).

The Enable is synchronous so that the outputs will only be enabled/disabled when they are already in the LOW state.

Features

  • 1.2V/1.8V/2.5V CML 1:4 Fanout Buffer with FSI.
  • Active-low Enable (/EN) input to disable the outputs.
  • Guaranteed AC performance over temperature and voltage:.
  • DC-to > 3.2Gbps Data throughput.
  • DC-to > 2.5GHz Clock throughput.

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Datasheet preview – SY54020R

Datasheet Details

Part number SY54020R
Manufacturer Micrel Semiconductor
File Size 620.45 KB
Description Low Voltage 1.2V/1.8V/2.5V CML 1:4 Fanout Buffer
Datasheet download datasheet SY54020R Datasheet
Additional preview pages of the SY54020R datasheet.

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Full PDF Text Transcription

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www.DataSheet.co.kr SY54020R Low Voltage 1.2V/1.8V/2.5V CML 1:4 Fanout Buffer with /EN and Fail-Safe Input 3.2Gbps, 2.5GHz General Description The SY54020R is a fully differential, low voltage 1.2V/1.8V/2.5V CML 1:4 Fanout Buffer with active-low Enable (/EN) and Fail-Safe Input (FSI). The Enable is synchronous so that the outputs will only be enabled/disabled when they are already in the LOW state. This avoids any chance of generating a runt clock pulse when the device is enabled/disabled as can happen with an asynchronous control. When this device is used as a clock fanout, disabling the downstream clock may reduce system power. FSI is a special circuit designed to sense the amplitude of the input signal and to latch the output when an invalid or no signal is present at the input.
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