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8T49N028 Datasheet PDF

Integrated Device Technology 8T49N028

The 8T49N028 is a low RMS phase jitter Clock Synthesizer with selectable internal crystal oscillator or external clock references and eight outputs, configurable as either LVDS, LVPECL or High Impedance. The third output frequency is from the B output divider.
Part No. 8T49N028
Datasheet 8T49N028 Download
Manufacturer
Integrated Device Technology
Description Multiple Frequency Clock Generator
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8T49N028 datasheet page 1 preview

GENERAL DESCRIPTION

After power up, two frequency select pins determine one of up to four different sets of factory preprogrammed crystal or input frequency and output frequency configurations. From a single input reference, as many as three different output frequencies may be selected for the output banks: two of these frequencies can be generated by the internal crystal oscillator, and/or external clock pre-divider, and/or A output divider, and/or B output divider. Device pre-programming can be overwritten through the provided I2C interface. Examples of valid frequency configuration setups illustrate this device's flexibility, and are shown in Table 3A. The specific internal register settings for each of the four frequency sets are specified by an IDT order code. Custom codes can be provided by contacting IDT.

FEATURES

● Fourth Generation FemtoClock NG PLL technology
● Eight selectable LVPECL or LVDS outputs (bank selectable, two output channels per bank)
● CLK, nCLK input pair can a...
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