Keyboard Encoder Serial Output for up to 16 switches

The KBDSER16 IC is designed to provide a serial ASCII output encoder for keyboards up to 16 keys. The KBDSER16 IC contains all the logic necessary to encode a SPST keyboard switch array up to 4 by 4 in size and provide a serial ASCII output. The output is standard asynchronous format, using 8 bits, ? Asynchronous serial output.\r\n? Fully encodes a key switch array. (up to 4 x 4)\r\n? No external parts required.\r\n? Low power consumption 5 mA typical.\r\n? Supply voltage 2.4 to 5.25 volts.\r\n? All timing internally generated.\r\n? 2 Key rollover.\r\n? On chip row input resistors.\r\n? Intern;

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Serial output encoder keyboards up to 16 switches

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