sy89875u Micrel Semiconductor, sy89875u Datasheet
sy89875u
Available stocks
Related parts for sy89875u
sy89875u Summary of contents
Page 1
... TYPICAL PERFORMANCE CML/LVPECL/LVDS Q0 /Q0 MUX Q1 /Q1 /Q0 1 Precision Edge Precision Edge SY89875U pin. This feature allows the device to T OC-12 to OC-3 Translator/Divider Divide-by-4 622MHz Clock In 622MHz In IN /IN 155.5MHz Out Q0 Rev.: D Issue Date: August 2007 ® ® SY89875U REF-AC LVDS 155.5MHz Clock Out Amendment: /0 ...
Page 2
... Pb-Free package is recommended for new designs. /2. CC –1.4V (approx.). Used for AC-coupled applications only. CC pin with a 0.01µF capacitor. See “Input Interface Applications” section. REF–AC 2 Precision Edge SY89875U Package Range Marking 875U 875U 875U with Pb-Free bar line indicator 875U with Pb-Free bar line indicator = 25° ...
Page 3
... Note 4 JB Min Typ Max 2.375 2.625 70 90 100 110 0.1 – –0.3 – 0.1 – V 0.2 – – – V –1.525 V –1.425 inputs. Do not apply a combination T pin. T ® SY89875U Units ý +0.3 V –0 – –1.325 V ...
Page 4
... The circuit is designed to meet the DC specifications shown in the above table after thermal equilibrium has been established. Note 2. Specification for packaged product only. M9999-082407 hbwhelp@micrel.com or (408) 955-1690 (Notes 1, 2) Condition Note 3, 4 Note 3 Note 3 Note 4 (Notes 1, 2) Condition 4 Precision Edge SY89875U Min Typ Max Units 250 350 400 mV 1.475 V 0.925 V 1.125 1.375 V – ...
Page 5
... Swing 5 Precision Edge Min Typ Max 2.0 2.5 590 690 870 540 690 820 5 15 280 600 10 70 120 200 jitter_cc 12 output edges will deviate by more than V CC Swing OUT ® SY89875U Units GHz RMS – n+1 ...
Page 6
... Propagation Delay vs. Input Swing 800 750 700 650 600 550 500 0 200 400 600 INPUT SWING (mV) Output Duty Cycle vs. Frequency 500 1000 1500 2000 2500 3000 FREQUENCY (MHz) 6 ® Precision Edge SY89875U 800 1000 ...
Page 7
... CC A 622MHz Output TIME (300ps/div.) DEFINITION OF SINGLE-ENDED AND DIFFERENTIAL SWINGS Figure 1a. Single-Ended Swing M9999-082407 hbwhelp@micrel.com or (408) 955-1690 2.5GHz Output TIME (80ps/div IN, OUT 350mV (typical) Figure 1b. Differential Swing 7 ® Precision Edge SY89875U 1.25GHz Output TIME (140ps/div DIFF_IN DIFF_OUT 700mV (typical) ...
Page 8
... LVDS driver and receiver. Also, change in common mode voltage function of data input, is also kept tight, to keep EMI low. v 100Ω Figure 3b. LVDS Common Mode Measurement 8 Precision Edge SY89875U V CC 25kΩ /RESET R GND 50Ω ...
Page 9
... GND REF_AC Figure 4e. LVDS Input Interface Data Sheet Link http://www.micrel.com/product-info/products/sy89872u.shtml http://www.amkor.com/products/notes_papers/mlf_appnote_0902.pdf http://www.micrel.com/product-info/products/solutions.shtml 9 Precision Edge SY89875U PECL /IN SY89875U GND V – 0.01µF 39Ω V REF_AC Figure 4c. DC-Coupled PECL Input Interface STL /IN ;&'&%#7 ...
Page 10
... Exposed pads must be soldered to a ground for proper thermal management (408) 474-1000 FAX Micrel for any damages resulting from such use or sale. © 2005 Micrel, Incorporated. 10 Package EP- Exposed Pad Die ® Package http://www.micrel.com WEB ® Precision Edge SY89875U ...