MC14543BD – BCD To Seven Segment Latch/Decoder/Driver For Liquid Crystals – SOIC-16 Package
The MC14543B BCD−to−seven segment latch/decoder/driver is designed for use with liquid crystal readouts, and is constructed with complementary MOS (CMOS) enhancement mode devices. The circuit provides the functions of a 4−bit storage latch and an 8421 BCD−to−seven segment decoder and driver. The device has the capability to invert the logic levels of the output combination. The phase (Ph), blanking (BI), and latch disable (LD) inputs are used to reverse the truth table phase, blank the display, and store a BCD code, respectively. For liquid crystal (LC) readouts, a square wave is applied to the Ph input of the circuit and the electrically common backplane of the display. The outputs of the circuit are connected directly to the segments of the LC readout. For other types of readouts, such as light−emitting diode (LED), incandescent, gas discharge, and fluorescent readouts, connection diagrams are given on this data sheet. Applications include instrument (e.g., counter, DVM etc.) display driver, computer/calculator display driver, cockpit display driver, and various clock, watch, and timer uses.
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Features
- Latch Storage of Code
- Blanking Input
- Readout Blanking on All Illegal Input Combinations
- Direct LED (Common Anode or Cathode) Driving Capability
- Supply Voltage Range = 3.0V to 18V
Features/Specs:
- Manufacturer Part No: MC14543BD
- Manufacturer: onsemi
- Product Type: Encoders, Decoders, Multiplexers & Demultiplexers
- Logic Family: MC14
- Operating Temperature Range: -55°C ~ +125°C
- Function: Decoder and Demux
- High-Level Output Current: -4.2 mA
- Logic Type: BCD to Seven Segment Latch Decoder Driver
- Low-Level Output Current: 4.2 mA
- Number of Circuits: 1 Circuit
- Operating Supply Voltage: 3V ~ 18V
- Power Dissipation: 500 mW (1/2 W)
- Supply Current: 20 uA
- Mounting Style: SMD/SMT
- Package/Case: SOIC-16
Application:
- Air conditioning
- Household products
- Set-Top boxes
- DVD / VCD
- Display Applications
Datasheet: MC14543BD
Package includes:
- 1 x MC14543BD – BCD To Seven Segment Latch/Decoder/Driver For Liquid Crystals – SOIC-16 Package
Note: Product Images are shown for illustrative purposes only and may differ from the actual product.
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