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Partname: | SY89823LHZTR |
Description: | 3.3V, 500MHz 1:22 DIFFERENTIAL HSTL (1.5V) FANOUT BUFFER/TRANSLATOR |
Manufacturer: | Micrel |
Datasheet: | PDF (121K). Click here to download *) |
The SY89823L is a high-performance bus clock driver with 22 differential High-Speed Transceiver Logic (HSTL), 1.5V compatible output pairs. The device is designed for use in low-voltage (3.3V/ 1.8V) applications that require a large number of outputs to drive precisely aligned, ultra-low skew signals to their destination. The input is multiplexed from either HSTL or Low-Voltage PositiveEmitter-Coupled Logic (LVPECL) by the CLK_SEL pin. The Output Enable (OE) is synchronous and triple-buffered so that the outputs will only be enabled/disabled when they are already in the LOW state. This avoids any potential of generating a runt clock pulse when the device is enabled/disabled, as can occur with an asynchronous control. The triple-buffering feature provides a threeclock delay from the time the OE input is asserted/de-asserted to when the clock appears at the outputs. |
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Click here to download SY89823LHZTR Datasheet*) |
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