sm843251-156 Micrel Semiconductor, sm843251-156 Datasheet
sm843251-156
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sm843251-156 Summary of contents
Page 1
... The device synthesizes a 156.25MHz, low-noise, LVPECL output for Ethernet applications. The crystal reference frequency is 25MHz. The SM843251-156 is an excellent replacement for IDT FemtoClocks®, with improved waveform integrity, and jitter. Data sheets and support documentation can be found on Micrel’ ...
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... Micrel, Inc. (1) Ordering Information Part Number SM843251-156KA (2) SM843251-156KA TR Notes: 1. Devices are Green-, RoHS-, and PFOS-compliant. 2. Tape and Reel. Pin Configuration Pin Description Pin Number Pin Name 1 V DDA XTAL_OUT 4 XTAL_IN / October 2010 Package Type Operating Range ...
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... Min. Typ. 2.375 2.50 2.375 2. Min. Typ. Max. V – 1.145 V – 0.97 V – 0.845 – 1.945 V – 1.77 V – 1.645 0.6 0.8 1.0 hbwhelp@micrel.com SM843251-156 Max. Units 3.465 V 3.465 110 mA Max. Units 2.625 V 2.625 100 mA Units M9999-100110-A or (408) 955-1690 ...
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... Equivalent Series Resistance (ESR) Shunt Capacitor, C0 Correlation Drive Level October 2010 (5) = –40°C to +85°C, unless noted. A Condition 25MHz Crystal Integration Range: 1.875MHz to 20MHz 20% to 80% Condition Min. 12pF Load 4 SM843251-156 Min. Typ. Max. 156.25 110 80 175 350 Typ. Max. Fundamental, Parallel Resonant ...
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... Micrel, Inc. October 2010 Figure 1. Duty Cycle Timing Figure 2. All Outputs Rise/Fall Time Figure 3. RMS Phase Noise/Jitter 5 SM843251-156 M9999-100110-A hbwhelp@micrel.com or (408) 955-1690 ...
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... Micrel, Inc. October 2010 Figure 4. LVPECL Output Load and Test Circuit Figure 5. Crystal Input Interface 6 SM843251-156 M9999-100110-A hbwhelp@micrel.com or (408) 955-1690 ...
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... Purchaser’s use or sale of Micrel Products for use in life support appliances, devices or systems is a Purchaser’s own risk and Purchaser agrees to fully October 2010 8-Pin TSSOP (K-8) indemnify Micrel for any damages resulting from such use or sale. © 2010 Micrel, Incorporated. 7 SM843251-156 http://www.micrel.com M9999-100110-A hbwhelp@micrel.com or (408) 955-1690 nt ...