SY89540UMI Micrel Inc, SY89540UMI Datasheet
SY89540UMI
Specifications of SY89540UMI
Related parts for SY89540UMI
SY89540UMI Summary of contents
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General Description The SY89540U is a low-jitter, low skew, high-speed 4x4 crosspoint switch optimized for precision telecom and enterprise server/storage distribution applications. The SY89540U guarantees data-rates up to 3.2Gbps over temperature and voltage. The SY89540U differential input includes Micrel’s unique, ...
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Functional Block Diagram December 2007 2 hbwhelp@micrel.com M9999-120607-C or (408) 955-1690 ...
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... Ordering Information Part Number SY89540UMI (2) SY89540UMITR SY89540UMY (2) SY89540UMYTR Notes: 1. Contact factory for die availability. Dice are guaranteed Tape and Reel ordering option. Pin Configuration December 2007 Package Temperature Type Range QFN-44 Industrial QFN-44 Industrial QFN-44 Industrial QFN-44 Industrial = 25°C, DC electrical only. ...
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Pin Description Pin Number Pin Name 17, 15, IN0, /IN0, 10, 8 IN1, /IN1 IN2, /IN2, 41, 39 IN3, /IN3 16, 9, VT0, VT1 VT2, VT3 14, VREF_AC0, 11, VREF_AC1, 1, VREF_AC2, 42 VREF_AC3 18, 19 ...
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Functional Description Buffer Mode SY89540 can be used as a 1:4 fanout buffer. This is the default mode with LOAD and CONFIG being HIGH when the device is first powered up. The SIN0 and SIN1 inputs select the input signal ...
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Absolute Maximum Ratings Supply Voltage (V ) ..........................–0.5V to +4.0V CC Input Voltage (V ) ..................................–0. CML Output Voltage (V ) .... V OUT (3) Termination Current Source or sink current Input Current Source ...
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LVDS Outputs DC Electrical Characteristics V = 2.5V ±5 –40°C to +85° Symbol Parameter V Output HIGH Voltage OH (Q, /Q) V Output LOW Voltage OL (Q, /Q) V Output Voltage Swing OUT (Q, /Q) ...
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AC Electrical Characteristics V = 2.5V ±5 –40°C to +85° Symbol Parameter f Maximum Operating Frequency MAX t Propagation Delay Tempco Set-up Time t S SIN-to-LOAD SOUT-to-LOAD LOAD-to-CONFIG CONFIG-to-LOAD t Hold Time ...
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Single-Ended and Differential Swing Figure 1a. Single-Ended Voltage Swing Timing Diagram Truth Tables Input Select Address Table SIN1 SIN0 December 2007 Figure 1b. Differential Voltage Swing Figure 2. Timing Diagram Input SOUT1 ...
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Typical Operating Characteristics 100mV, at 25° Amplitude vs. Frequency 350 300 250 200 150 100 50 FREQUENCY (MHz) Channel-to-Channel Skew, Relative to Ch0 ...
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Functional Characteristics 100mV, at 25° Clock Pattern Data Pattern December 2007 11 hbwhelp@micrel.com M9999-120607-C or (408) 955-1690 ...
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Input and Output Stage Internal Termination Figure 3. Simplified Differential Input Stage December 2007 Output Stage Internal Termination On a nominal 1.25V common mode above ground, LVDS specifies a small swing of 350mV, typical. The common mode voltage has tight ...
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Input Interface Applications Figure 5a. LVPECL Interface (DC-Coupled) Figure 5d. CML Interface (AC-Coupled) Related Product and Support Documentation Part Number Function SY58540U Ultra Precision 4x4 CML Crosspoint Switch w/Internal I/O Termination HBW Solutions New Products and Applications December 2007 Figure ...
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Package Information MICREL, INC. 2180 FORTUNE DRIVE SAN JOSE, CA 95131 USA TEL +1 (408) 944-0800 FAX +1 (408) 474-1000 WEB http:/www.micrel.com The information furnished by Micrel in this data sheet is believed to be accurate and reliable. However, no ...