sy89231u Micrel Semiconductor, sy89231u Datasheet
sy89231u
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sy89231u Summary of contents
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... General Description The SY89231U is a precision, low jitter 3.2GHz ÷3, ÷5 clock divider with a LVDS output. The differential input includes Micrel’s unique, 3-pin internal termination architecture that allows the input to interface to any differential signal (AC- or DC- coupled) as small as 100mV (200mV level shifting or termination resistor networks in the signal path ...
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... Ordering Information Part Number Package SY89231UMG MLF-16 (2) SY89231UMGTR MLF-16 Notes: 1. Contact factory for die availability. Dice are guaranteed Tape and Reel. Pin Configuration November 2007 Operating Type Range Industrial Industrial = 25°C, DC Electricals Only. A 16-Pin MLF 2 Package Marking 231U with Pb-Free bar-line Indicator ...
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Pin Description Pin Number Pin Name 1, 4 IN, / VREF- / VCC 12 GND, 10, 11, 14,15 Exposed Pad 16 DIV_SEL Truth Table November 2007 Pin ...
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Absolute Maximum Ratings Supply Voltage (V ) ............................ –0.5V to +4.0V CC Input Voltage (V ) ....................................–0. LVPECL Output Current (I )...……………....±10mA OUT Current ( Source or sink current Input Current Source ...
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LVDS Outputs DC Electrical Characteristics V = +2.5V ±5 100_ across the outputs Symbol Parameter V Output Voltage Swing (Q, /Q) OUT V Differential Output Voltage Swing |Q – /Q| DIFF_OUT V Output Common Mode ...
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AC Electrical Characteristics V = 2.5V ±5 100Ω across the outputs Symbol Parameter f Maximum Input Operating MAX Frequency tw Minimum Pulse Width t Differential Propagation Delay pd In-to-Q /MR(H-L)-to-Q t Reset Recovery Time RR ...
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Functional Description Output Duty Cycle Equation For a non 50% input, derate the spec by: Divide 100 (0 x100 Divide 100 (0 x100, ...
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Timing Diagrams November 2007 Figure 1a. Propagation Delay 8 M9999-110507-A hbwhelp@micrel.com or (408) 955-1690 ...
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Figure 1b. Enable Output Timing Diagram Examples (divide by 3) November 2007 9 hbwhelp@micrel.com M9999-110507-A or (408) 955-1690 ...
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November 2007 Figure 1c. Divider Operation Timing Diagram 10 M9999-110507-A hbwhelp@micrel.com or (408) 955-1690 ...
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Typical Operating Characteristics V = 2.5V, GND = 0V ≤ 300ps Functional Characteristics V = 2.5V, GND = 0V 350mV Divide stated. November 2007 ...
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Single-Ended and Differential Swings Figure 2a. Single-Ended Voltage Swing Input Stage November 2007 Figure 3. Simplified Differential Input Stage 12 Figure 2b. Differential Voltage Swing M9999-110507-A hbwhelp@micrel.com or (408) 955-1690 ...
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Input Interface Applications Figure 4a. LVPECL Interface (DC-Coupled) Figure 4d. CML Interface (AC-Coupled) November 2007 Figure 4b. LVPECL Interface (AC-Coupled) Figure 4e. LVDS Interface (DC-Coupled) 13 Option: may connect Figure 4c. CML Interface (DC-Coupled) M9999-110507-A ...
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LVDS Output Interface Applications LVDS specifies a small swing of 325mV typical nominal 1.2V common mode above ground. The common mode voltage has tight limits to permit large variations in the ground between and LVDS driver and receiver. ...
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Package Information Packages Notes: 1. Package meets Level 2 Moisture Sensitivity Classification. 2. All parts are dry-packed before shipment. 3. Exposed pad must be soldered to a ground for proper thermal management. MICREL, INC. 2180 FORTUNE DRIVE SAN JOSE, CA ...