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HCC4054B/55B/56B HCF4054B/55B/56B
LIQUID-CRYSTAL DISPLAY DRIVERS
4054B 4-SEGMENT DISPLAY DRIVER STROBED LATCH FUNCTION 4055B BCD TO 7-SEGMENT DECODER/DRIVER, WITH ”DISPLAY-FREQUENCY” OUTPUT 4056B BCD TO 7-SEGMENT DECODER/DRIVER WITH STROBED LATCH FUNCTION QUIESCENT CURRENT SPECIFIED TO 20V FOR HCC DEVICE OPERATION OF LIQUID CRYSTALS WITH COS/MOS CIRCUITS PROVIDES ULTRALOW-POWER DISPLAYS EQUIVALENT AC OUTPUT DRIVE FOR LIQUID-CRYSTAL DISPLAYS-NO EXTERNAL CAPACITOR REQUIRED VOLTAGE DOUBLING ACROSS DISPLAY [(VDD – VEE) = 18V)] RESULTS IN EFFECTIVE 36V (p-p) DRIVE ACROSS SELECTED DISPLAY SEGMENTS LOW-OR HIGH-OUTPUT LEVEL DC DRIVE FOR OTHER TYPES OF DISPLAYS ON-CHIP LOGIC-LEVEL CONVERSION FOR DIFFERENT INPUT AND OUTPUT-LEVEL SWINGS FULL DECODING OF ALL INPUT COMBINATIONS : ”0 – 9, L, H, P, A– ”