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FUNCTIONAL DESCRIPTION

The 3D7503 is a monolithic CMOS Manchester Encoder/Decoder combo chip. The device uses bi-phase-level encoding to embed a clock signal into a data stream for transmission across a communications link. In this encoding mode, a logic one is represented by a high-to-low transition in the center of the bit cell, while a logic zero is represented by a low-to-high transition.

FEATURES

¡¤ All-silicon, low-power CMOS technology

¡¤ Encoder and decoder function independently

¡¤ Encoder has buffered clock output

¡¤ TTL/CMOS compatible inputs and outputs

¡¤ Vapor phase, IR and wave solderable

¡¤ Auto-insertable (DIP pkg.)

¡¤ Low ground bounce noise

¡¤ Maximum data rate: 50 MBaud

¡¤ Data rate range: ¡À15

¡¤ Lock-in time: 1 bit