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MM74HC4543

National Semiconductor
Part Number MM74HC4543
Manufacturer National Semiconductor
Description BCD-to-7 Segment Latch/Decoder/Driver
Published Jan 4, 2016
Detailed Description MM54HC4543 MM74HC4543 BCD-to-7 Segment Latch Decoder Driver for Liquid Crystal Displays January 1988 MM54HC4543 MM74HC...
Datasheet PDF File MM74HC4543 PDF File

MM74HC4543
MM74HC4543

Overview
MM54HC4543 MM74HC4543 BCD-to-7 Segment Latch Decoder Driver for Liquid Crystal Displays January 1988 MM54HC4543 MM74HC4543 BCD-to-7 Segment Latch Decoder Driver for Liquid Crystal Displays General Description The MM54HC4543 MM74HC4543 BCD-to-7 segment latch decoder driver utilize advanced silicon-gate CMOS technology and can be used either as a high speed decoder or as a display driver This circuit contains a 4-bit latch BCD-to-7 segment decoder and 7 output drivers Data on the input pins flow through to the output when the LATCH ENABLE (LE) is high and is latched on the high to low transition of the LE input The PHASE input (PH) controls the polarity of the 7 segment outputs When PH is low the outputs are true 7 segment and when PH is high the outputs are inverted 7 segment When the PHASE input is driven by a liquid crystal display (LCD) backplane waveform the segment pins output the correct segment waveform for proper LCD AC drive voltages In addition a BLANKING INPUT (Bl) is prov...


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