CD74HC4543 Data sheet acquired from Harris Semico.
Texas Instruments
CD74HC4543 - BCD to 7-Segment Latch/Decoder/Driver
CD74HC4543 Data sheet acquired from Harris Semiconductor SCHS217B February 1998 - Revised July 2003 High-Speed CMOS Logic BCD to 7-Segment Latch/Dec.
Texas Instruments
CD74HC4543E - BCD to 7-Segment Latch/Decoder/Driver
CD74HC4543 Data sheet acquired from Harris Semiconductor SCHS217B February 1998 - Revised July 2003 High-Speed CMOS Logic BCD to 7-Segment Latch/Dec.