Data sheet acquired from Harris Semiconductor SCHS.
Texas Instruments
CD74HC237 - High-Speed CMOS Logic 3 to 8-Line Decoder/Demultiplexer
Data sheet acquired from Harris Semiconductor SCHS146F March 1998 - Revised October 2003 CD74HC137, CD74HCT137, CD54HC237, CD74HC237, CD74HCT237 High.