SY89468UHY-TR

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The SY89468UHY-TR is a clock buffer device that is designed to provide two outputs from a single reference clock input and is a member of the SY89400 family from Integrated Device Technology, Inc. This buffer is ideal for high-speed signal distribution and synchronization applications. The SY89468UHY-TR is a low-skew, single-ended driver that is capable of driving two different signal types with HCSL differential outputs and LVTTL single-ended outputs. This buffer utilizes a proprietary Skew-Reduction architecture developed by Integrated Device Technology, Inc. that provides a unique combination of low-skew and low jitter performance.

The SY89468UHY-TR features an adjustable output enable circuit that allows easy control of the clock outputs. This feature can be used to disable clock outputs when they are not in use or during various standby or diagnostic modes. There is also an adjustable reference input voltage that can be used to reduce the jitter intensity and total supply power consumption. On-chip clock programming circuitry provides an ease of use when adjusting the clock output to provide the desired performance.

The SY89468UHY-TR is a high-speed clock device operating from 3.3 VDC and is capable of handling frequencies up to 123 MHz. It is built with a 4-bit binary counter and a programmable digital delay line for precise clock division and timing functions. This device also features an adjustable digital skew detector that allows the user to set the point at which the counter or the buffer will reset if a measured the difference between the rising-edge of the reference clock and the generated clock exceeds a predetermined value. These features help to ensure that the device will never miss a situation where two clocks are discrepant.

The SY89468UHY-TR has two separate clock outputs that can be controlled by the same clock input. The buffer itself has a programmable function that allow the clocks to be phased-aligned within a predetermined range of measurement spectrums. This provides accurate synchronization for applications that require a high level of timing accuracy. The flexibility to adjust the delay line and skew detection thresholds make this device an ideal choice for a wide range of clocking applications.

The SY89468UHY-TR has a wide operating temperature range from -40°C to +85°C and is housed in a 20-pin TSSOP-20 thermally enhanced package with an exposed pad. This device is RoHS compliant with respect to lead and halogen elements.

The SY89468UHY-TR is an ideal choice for a wide range of clock and timing applications. Its unique combination of low-skew and low-jitter performance and its adjustable output enable, reference input voltage, digital delay line, and skew detection features make this device an ideal choice for synchronizing clock signals in high-speed distribution applications. The device is RoHS compliant and housed in a 20-pin TSSOP-20 package with an exposed pad for effective thermal management.

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