IDT49FCT20805QI

IDT49FCT20805QI is part of a large family of clock buffers, drivers, and dividers from IDT, formerly known as Integrated Device Technology, Inc. (IDT). This is a high-performance, low-power, low-cost, and highly integrated clock buffer and driver device. It is used in a wide range of applications, including communications, computing and consumer electronics.

The IDT49FCT20805QI device supports multiple clock frequencies, including 25 MHz, 50 MHz, and 100 MHz. It provides high-speed and low-power clock buffering, bus interface applications, and supporting inter-IC (I2C) clock applications. This device is capable of buffering both positive-edge triggered and negative-edge triggered clock signals. It contains one primary 3.3V input with one buffered 3.3V output and seven buffered 2.5V outputs.

In terms of working principle, the IDT49FCT20805QI is designed to use the choice of combinations of flip-flops and logic gates to provide a wide range of applications. It consists of one internal clock source – the primary clock, which is connected to a voltage-controlled oscillator, alternating between two frequencies. This oscillator drives the clock outputs depending on the state of the data input. Furthermore, each of the outputs can be individually configured using the control pins.

The IDT49FCT20805QI also has integrated pin drivers and buffers. More specifically, each output can be enabled or disabled via two separate pins or by a mode control signal. Each output driver has adjustable drive current so that its impedance can be modified. Each 2.5V output consists of a pair of flip-flop and a delay line.

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