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MM54HC4543 - BCD-to-7 Segment Latch/Decoder/Driver

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

Key Features

  • Y Typical propagation delay 60 ns Y Supply voltage range 2.
  • 6V Y Maximum input current 1 mA Y Maximum quiescent supply current 80 mA (74HC) Y Display blanking Y Low dynamic power consumption Connection Diagram Dual-In-Line Package Top View TL F 5128.
  • 1 Order Number MM54HC4543 or MM74HC4543 Display Format TL F 5128.
  • 2 Truth Table Inputs Outputs LE Bl Ph D C B A a b c d e f g Display X H L X X X X L L L L L L L Blank H L L L L L.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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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 PH