MM54HC4511 - National Semiconductor

MM54HC4511 BCD-to-7 Segment Latch/Decoder/Driver

This high speed latch decoder driver utilizes advanced silicon-gate CMOS technology It has the high noise immunity and low power consumption of standard CMOS integrated circuits as well as the ability to drive 10 LS-TTL loads The circuit provides the functions of a 4-bit storage latch an 8421 BCD-to-seven segment decoder and an output drive capability Lamp t.

Features

Y Y Y Y Y Y Y Latch storage of input data Blanking input Lamp test input Low power consumption characteristics of CMOS devices Wide operating voltage range 2 to 6 volts Low input current 1 mA maximum Low quiescent current 80 mA maximum over full temperature range (74 Series) Connection Diagram Dual-In-Line Package Truth Table INPUTS OUTPUTS LE BI LT D C B A a b c d e f g DISPLAY x x L L L L L L L L L L L L L L L L H x L H H H H H H H H H H H H H H H H H L H H H H H H H H H H H H H H H H H H x x L L L L L L L L H H H H H H H H x x x L L L L H H H H L L L L H H H H x x x L L H H L L H H L L.