DESCRIPTION

· HCF4511B is a BCD to 7-segment decoder driver with CMOS logic and n-p-n bipolar transistor output devices.
· It is available in DIP and SOP packages.
· Combines low quiescent power dissipation and high noise immunity of CMOS with high output sourcing capability of n-p-n bipolar transistors.
· Directly drives LEDs and other displays with up to 25mA output sourcing capability.

FEATURES

· High output sourcing capability (up to 25mA).
· Input latches for BCD code storage.
· Lamp test and blanking capability.
· 7-segment outputs blanked for BCD input codes > 1001.
· Quiescent current specified up to 20V.
· Standardized symmetrical output characteristics.
· 5V, 10V, and 15V parametric ratings.
· Input leakage current II = 100nA (max) at VDD = 18V, TA = 25°C.
· 100% tested for quiescent current.
· Meets all requirements of JEDEC JESD13B "Standard Specifications for Description of B Series CMOS Devices".

APPLICATIONS

· Directly drives LEDs and other displays.
· Suitable for multiplexing and displaying different signals with external multiplexing circuitry.
· Lamp test, blanking, and latch enable inputs for display testing, intensity modulation, and BCD code storage.