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B12 Datasheet (PDF) - Micrel Semiconductor

B12 Datasheet PDF - Micrel Semiconductor
Part # B12
Download  B12 Download

File Size   941.04 Kbytes
Page   14 Pages
Manufacturer  MICREL [Micrel Semiconductor]
Direct Link  http://www.micrel.com
Logo MICREL - Micrel Semiconductor
Description Flexible Ultra-Low Jitter Clock Synthesizer

B12 Datasheet (PDF)

Go To PDF Page Download Datasheet
B12 Datasheet PDF - Micrel Semiconductor

Part # B12
Download  B12 Click to download

File Size   941.04 Kbytes
Page   14 Pages
Manufacturer  MICREL [Micrel Semiconductor]
Direct Link  http://www.micrel.com
Logo MICREL - Micrel Semiconductor
Description Flexible Ultra-Low Jitter Clock Synthesizer

B12 Datasheet (HTML) - Micrel Semiconductor


B12 Product details

General Description
The SM803020 is a dual-PLL clock generator that achieves ultra-low, 74.2fs_rms output jitter at 156.25MHz output frequency. It accepts a crystal input or a reference input.
Each output channel is individually configurable to a differential PECL, LVDS, HCSL, or CMOS output logic level. PECL is selected by default, but can be overridden through SPI. It is packaged in a dual-row 84-pin 7mm x 7mm package.

Features
• Generates twelve 156.25MHz outputs
• Independently programmable output logic:
   − Output logic: LVPECL (default), LVDS, HCSL,
      LVCMOS
• 74.2fs jitter at 156.25MHz (1.875MHz to 20MHz)
• Selectable inputs require 39.0625MHz input frequency
   − XTAL (default)
   − Differential or single-ended reference clock (SPI
      selectable)
• 2.5V or 3.3V operating power supply
• Separate output power supplies:
   − Different banks can be at different levels
• Industrial temperature range (–40°C to +85°C)
• Green, RoHS, and PFOS compliant
• Available in 84-pin 7mm × 7mm QFN package

Applications
• 1/10/40/100 Gigabit Ethernet




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