sy89218u Micrel Semiconductor, sy89218u Datasheet
sy89218u
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sy89218u Summary of contents
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... A four-clock delay after de-asserting /MR allows the counters to synchronize and start the outputs from the same state without any runt pulse. The SY89218U is part of Micrel’s Precision Edge product family. All support documentation can be found at Micrel's web site at: www.micrel.com. Precision Edge is a registered trademark of Micrel, Inc. ...
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... Micrel, Inc. Functional Block Diagram January 2007 2 hbwhelp@micrel.com SY89218U M9999-012407-B or (408) 955-1690 ...
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... Contact factory for die availability. Dice are guaranteed Tape and Reel. Pin Configuration January 2007 Operating Package Marking Type Range T64-1 Industrial SY89218UHY with Pb-Free bar-line indicator T64-1 Industrial SY89218UHY with Pb-Free bar-line indicator = 25°C, DC Electricals only. A 64-Pin EPAD-TQFP (T64-1) 3 SY89218U Lead Finish Pb-Free Matte-Sn Pb-Free Matte-Sn M9999-012407-B hbwhelp@micrel ...
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... Bank B LVDS differential output pairs controlled by FSELB1 and FSELB0. Refer to “Function Table” for details. Unused output pairs should be terminated with 100 across the differential pair 4 SY89218U –1.2V. They are used for AC-coupling CC M9999-012407-B hbwhelp@micrel.com or (408) 955-1690 /2 ...
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... Ground and exposed pad must be connected to the same GND plane on the board. (4) (4) FSELx0 FSELx1 IN0÷1 IN1÷1 IN0÷2 IN1÷2 IN0÷4 IN1÷ M9999-012407-B hbwhelp@micrel.com or (408) 955-1690 SY89218U ...
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... A (4) TQFP Still-air ( )...............................................35°C/W JA Junction-to-board ( ) ............................20°C/W JB Min Typ 2.375 325 90 100 45 50 1.2 0 0.1 200 30 V –1.3 V –1 Min Typ 2 –125 -300 hbwhelp@micrel.com SY89218U Max Units 2.625 V 420 mA 110 –0 2 100 mV V –1 1.28 V Max Units V 0 ...
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... The circuit is designed to meet the DC specifications shown in the above table after thermal equilibrium has been established. January 2007 (7) = –40°C to +85°C, unless otherwise stated. A Condition See Figure 1a See Figure 1b See Figure 5b See Figure 5b 7 SY89218U Min Typ Max Units 250 325 500 650 1.125 1.20 1.275 – ...
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... T is the time between rising edges of the output n–1 M9999-012407-B hbwhelp@micrel.com or (408) 955-1690 SY89218U Max Units GHz 1600 ps 1400 ps 1400 ps ps fs/° ...
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... PK PP Maximum frequency of the SY89218U is limited by the FSI function. Refer to Figure 2b. Input Clock Failure Case If the input clock fails to a floating, static, or extremely low signal swing, the FSI function will eliminate a metastable condition and guarantee a stable output signal ...
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... Micrel, Inc. Single-Ended Differential Swings Figure 1a. Single-Ended Voltage Swing Timing Diagrams January 2007 Figure 1b. Differential Voltage Swing Figure 2a. Propagation Delay Figure 2b. Fail Safe Feature 10 SY89218U M9999-012407-B hbwhelp@micrel.com or (408) 955-1690 ...
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... Micrel, Inc. Timing Diagrams January 2007 Figure 2c. Reset with Output Enabled 11 SY89218U M9999-012407-B hbwhelp@micrel.com or (408) 955-1690 ...
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... Micrel, Inc. Timing Diagrams January 2007 Figure 2d. Enable Timing Figure 2e. Disable Timing 12 SY89218U M9999-012407-B hbwhelp@micrel.com or (408) 955-1690 ...
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... Micrel, Inc. Typical Operating Characteristics V = 2.5V, GND = 0V 100mV January 2007 = 100 across the outputs 25°C, unless otherwise stated SY89218U M9999-012407-B hbwhelp@micrel.com or (408) 955-1690 ...
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... Micrel, Inc. Functional Characteristics V = 2.5V, GND = 0V 100mV January 2007 = 100 across the outputs 25°C, unless otherwise stated SY89218U M9999-012407-B hbwhelp@micrel.com or (408) 955-1690 ...
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... Input Stage Internal Termination Input Interface Applications Figure 4a. CML Interface (DC-Coupled) Option: May connect V to VCC T Figure 4d. LVPECL Interface (AC-Coupled) January 2007 Figure 3. Simplified Differential Input Stage Figure 4b. CML Interface (AC-Coupled) Figure 4e. LVDS Interface 15 SY89218U Figure 4c. LVPECL Interface (DC-Coupled) M9999-012407-B hbwhelp@micrel.com or (408) 955-1690 ...
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... LVDS driver and receiver. Also, change in common mode voltage function of data input, is kept to a minimum, to keep EMI low. Figure 5a. LVDS Differential Measurement January 2007 Figure 5b. LVDS Common Mode Measurement 16 hbwhelp@micrel.com SY89218U M9999-012407-B or (408) 955-1690 ...
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... Output Banks SY89202U Ultra-Precision 1:8 LVPECL Fanout with Three ÷1/÷2/÷4 Clock Divider Output Banks HBW New Products and Applications Solutions January 2007 Data Sheet Link http://www.micrel.com/_PDF/HBW/sy89221u.pdf http://www.micrel.com/_PDF/HBW/sy89200u.pdf http://www.micrel.com/_PDF/HBW/sy89202u.pdf http://www.micrel.com/page.do?page=/product-info/as/HBWsolutions.shtml 17 hbwhelp@micrel.com SY89218U M9999-012407-B or (408) 955-1690 ...
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... A 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 indemnify Micrel for any damages resulting from such use or sale. January 2007 64-Pin EPAD-TQFP (T64-1) © 2006 Micrel, Incorporated. 18 SY89218U M9999-012407-B hbwhelp@micrel.com or (408) 955-1690 ...