HCF4054B - LIQUID-CRYSTAL DISPLAY DRIVERS
OF ”B” SERIES CMOS DEVICES” EY (Plastic Package) F (Ceramic Frit Seal Package) .
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M1 (Micro Package) C1 (Plastic Chip Carrier) ORDER CODES : HCC40XXBF HCF40XXBM1 HCF40XXBEY HCF40XXBC1 DESCRIPTION The HCC4054B, HCC4055B and HCC4056B (extended temperature range) and the HCF4054B,
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
HCF4054B Features
* output) t T HL , t TL H Transition Time (any output) t se t u p
* Data Setup Time
* 5 0 0 tW
* Strobe Pulse Width
* 5 0 0
* HCC/HCF4054B and HCC/HCF4056B only. Figure 1 : Typical Output Low (sink) Current Characteristics. Figure 2 : Minimum Output High (source)
