HIP9020 October 1993 Programmable Quad Buffer with Pre and Post Scaler Dividers Description The HIP9020 is a Vehicle Speed Sensor (VSS) Buffer IC.
It receives sinusoidal vehicle speed information from a speedometer signal source.
The signal is amplified and squared before frequency processing is done.
The circuit provides pin programmable integer prescaler and postscaler dividers to scale the output frequencies.
The prescaler divider output of the frequency doubler is mode selected for 1 and 6 through 11.
The postscaler mode is selected to the Output 3 with a divide by 1 or 2.
The four VOX outputs are open collector drivers.
Speed Sensor Input (SSI) - When current limited with a 40kΩ source ...

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