DS3678 PDF datasheet can download.
This product has DS1648 DS3648 DS1678 DS3678 TRI-STATE(RM) TTL to MOS Multiplexers/Drivers (Rev. A) functions.
This is one of the semiconductor types. This part name is DS3678.
Manufacturers of the product is Texas Instruments.
Image and pinout :
Some of the text files within the PDF file
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Please refer to the file for details.