MM54HC4543 MM74HC4543 BCD-to-7 Segment Latch Decod.
National Semiconductor
MM74HC4543 - BCD-to-7 Segment Latch/Decoder/Driver
MM54HC4543 MM74HC4543 BCD-to-7 Segment Latch Decoder Driver for Liquid Crystal Displays January 1988 MM54HC4543 MM74HC4543 BCD-to-7 Segment Latch De.