49FCT805BTSOG

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The 49FCT805BTSOG is a differential PECL buffer designed to support advanced clock frequency selection techniques used in peripheral clock generators in multistandard (AC-3/Dolby) monitoring systems. It is capable of producing low skew output at high clock frequencies (up to 50MHz) with precision accuracy. The advanced features of the 49FCT805BTSOG make it a perfect fit for applications requiring selectable frequency clocks at higher data rates.

The 49FCT805BTSOG is a high-performance buffer/driver which provides exceptional frequency select capability for clock information. The device is an 8-bit differential PECL buffer with output data formats of TTL, and LVCMOS. The device is capable of providing differential and single-ended output data at the same time. The differential outputs are capable of transmitting data rates up to 50 MHz. Moreover, the device is capable of matching and blending the buffer outputs with a precisely engineered, 50%, duty cycle amplifier.

The 49FCT805BTSOG features two clock input lines which allow the frequency select channels to be driven independently. The two independent clock inputs, IN1 and IN2, correspond to the two internal frequency select channels, CH1 and CH2. The device configures the two frequency select channels, CH1 and CH2, to modulate the output data signals accordingly. When both clock inputs are at the same frequency, the device can divide the output data in such a way that the period of the output data remains the same.

The 49FCT805BTSOG can be powered from 3.3 V or 5 V single-ended TTL or input levels. It is capable of operating in a single or dual-clock operating mode. In single-clock mode, the user has to provide a single clock signal to both clock inputs. In dual-clock mode, the user can provide two independent clock signals, one to each clock input.

The 49FCT805BTSOG also has an internal divided clock output (CLKOUT) which is used to generate an additional frequency-divided clock output. This output is available at either the same frequency as the incoming clock, or at a frequency that is one-half the input frequency. This feature is useful for applications where a lower frequency signal is required, such as for driving slower ASICs or memory devices.

The 49FCT805BTSOG can be used to generate a wide range of clock outputs from a single clock signal. By using the frequency select channels, CH1 and CH2, the user can select a frequency from the range of frequencies offered by the device. For example, if a user requires an output frequency of 40 MHz and an input frequency of 20 MHz, the user can set CH1 and CH2 to divide the input signal by 2 and 4 respectively. This will result in a total output frequency of 40 MHz.

The 49FCT805BTSOG is designed to be used in applications where timing, accuracy and repeatability are critical. The device has precision accuracy, which is measured in units of +/- 50 picoseconds in terms of its frequency select accuracy. The clock output signals generated by the device have very low jitter, making it suitable for applications such as digital audio and video systems. Additionally, the device also features very low power consumption.

In summary, the 49FCT805BTSOG is a versatile, high-performance differential PECL buffer/driver, designed to generate a wide range of clock outputs from a single clock signal. It is capable of providing low skew output at high clock frequencies with precision accuracy, making it ideal for applications requiring selectable frequency clocks at higher data rates. Moreover, the device features an internal divided clock output and low power consumption, making it suitable for applications where timing, accuracy and repeatability are essential.

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