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MAX9232 - Programmable Spread-Spectrum and DC-Balance 21-Bit Deserializer

General Description

The MAX9232 deserializes three LVDS serial-data inputs into 21 single-ended LVCMOS/LVTTL outputs.

A separate parallel-rate LVDS clock provides the timing for deserialization.

Key Features

  • spread-spectrum capability, allowing the output data and clock frequency to spread over a specified range to reduce EMI. The single-ended data and clock outputs are programmable for a frequency spread of ±2%, ±4%, or no spread. The spread-spectrum function is also available when the MAX9232 operates in non-DC-balanced mode. The modulation rate of the spread is 32kHz for a 33MHz LVDS clock input and scales linearly with frequency. Using VSYNC on RxOUT13 and HSYNC on RxOUT6, a reset of the spread-.

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www.DataSheet4U.com XX-XXXX; Rev 0; 9/05 Programmable Spread-Spectrum and DC-Balance 21-Bit Deserializer General Description The MAX9232 deserializes three LVDS serial-data inputs into 21 single-ended LVCMOS/LVTTL outputs. A separate parallel-rate LVDS clock provides the timing for deserialization. The MAX9232 features spread-spectrum capability, allowing the output data and clock frequency to spread over a specified range to reduce EMI. The single-ended data and clock outputs are programmable for a frequency spread of ±2%, ±4%, or no spread. The spread-spectrum function is also available when the MAX9232 operates in non-DC-balanced mode. The modulation rate of the spread is 32kHz for a 33MHz LVDS clock input and scales linearly with frequency.