SY100E111AEJC

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The SY100E111AEJC is a dual synchronous buffer designed for low skew and low jitter clock distribution. It is widely used in the fields of telecom, computing, and consumer electronics.

The SY100E111AEJC can drive up to 32 output loads, with the outputs being either 2.5V or 3.3V. The inputs can be as high as 5V or as low as 0.8V. It offers a skew of 0.2ns max, jitter of 0.5ps max and rise/fall time of 0.9ns/1.0ns max.

This device can be used to generate multiple clocks from one clock source and distribute those clock signals.

The SY100E111AEJC clock buffer operates on two types of input clock signals: a complementary clock source and an external clock source.

The complementary clock source is typically generated by an oscillator and then sent to the two CLKIN* signals of the device. The CLKIN* signals are connected to an AND gate and the output of the AND gate is then distributed to the output pairs, which are typically deskewed through careful placement.

The external clock source is typically driven directly from a system clock and is directly sent to the EXT_CLKIN* pins. This clock is distributed directly to the outputs of the device, without any deskewing.

The SY100E111AEJC uses a double-edge capture technique to guarantee that, even in the presence of spurious glitches or simultaneous clock edges, the output will still be stable and glitch-free.

The SY100E111AEJC also uses an internal delay chain for each channel. This chain, consisting of 10 stages of equal delay, is used to precisely adjust the output of the device to match the input clock with a resolution of 200ps.

Furthermore, the SY100E111AEJC has an enable/disable pin that can be used to power down the outputs to a low-current state while they are not in use.

Overall, the SY100E111AEJC is an extremely useful and versatile synchronous buffer that can be used in many applications ranging from low-skew clock distribution to precise delay control.

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