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MC14511 - BCD-TO-SEVEN SEGMENT LATCH/DECODER/DRIVER

General Description

The UTC MC14511 BCD to

seven segment latch/decoder/driver is constructed with complementary MOS (CMOS) enhancement mode devices and NPN bipolar output drivers in a single monolithic structure.

Key Features

  • S.
  • Low Logic Circuit Power Dissipation.
  • High.
  • Current Sourcing Outputs (Up to 25 mA).
  • Latch Storage of Code.
  • Blanking Input.
  • Lamp Test Provision.
  • Readout Blanking on all Illegal Input Combinations.
  • Lamp Intensity Modulation Capability.
  • Time Share (Multiplexing) Facility.
  • Supply Voltage Range = 3.0V ~ 18V.

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UNISONIC TECHNOLOGIES CO., LTD MC14511 BCD-TO-SEVEN SEGMENT LATCH/DECODER/DRIVER  DESCRIPTION The UTC MC14511 BCD–to–seven segment latch/decoder/driver is constructed with complementary MOS (CMOS) enhancement mode devices and NPN bipolar output drivers in a single monolithic structure. The circuit provides the functions of a 4-bit storage latch, an 8421 BCD-to-seven segment decoder, and an output drive capability. Lamp test ( LT ), blanking ( BI ), and latch enable (LE) inputs are used to test the display, to turn-off or pulse modulate the brightness of the display, and to store a BCD code, respectively. It can be used with seven-segment light-emitting diodes (LED), incandescent, fluorescent, gas discharge, or liquid crystal readouts either directly or indirectly.