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MC14543BDG The ON Semiconductor MC14543BDG is a BCD-to-seven segment latch/decoder/driver designed for liquid crystal displays. It operates from 3V to 18V and features a 10µA output current.
Mfr Part #:

MC14543BDG

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
The ON Semiconductor MC14543BDG is a BCD-to-seven segment latch/decoder/driver designed for liquid crystal displays. It operates from 3V to 18V and features a 10µA output current.
✓ Total Stock: 5,472 pcs
$ Price Range: $0.75

MC14543BDG Available from 1 distributor

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✓ Non-Authorised
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5,472 pcs
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MC14543BDG Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Configuration
Current
Display Type
Interface
Mounting Type
Operating Temperature
SVHC Present
Supplier Device Package
Supplier Package
Voltage
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MC14543BDG Description

Short technical summary and product information.

The MC14543B from ON Semiconductor is a versatile BCD-to-seven segment latch/decoder/driver IC specifically designed for use with liquid crystal (LC) readouts. Constructed with complementary MOS (CMOS) enhancement mode devices, it integrates a 4-bit storage latch and an 8421 BCD-to-seven segment decoder and driver. This device offers the capability to invert output logic levels and includes phase (Ph), blanking (BI), and latch disable (LD) inputs for controlling display behavior.

 

Key electrical specifications include a wide supply voltage range of 3.0 V to 18 V and a low output current capability of 10 µA. The MC14543B is suitable for driving LC readouts directly, with a square wave applied to the Ph input and the display's backplane. It also provides direct LED driving capability for common anode or cathode configurations.

 

Packaged in a 16-SOIC (0.154", 3.90mm Width) surface-mount package, this component is designed for operation within a temperature range of -55°C to 125°C. Applications include instrument displays, computer/calculator displays, cockpit displays, and various clock, watch, and timer functions. It is also noted as a pin-for-pin replacement for the CD4056A when pin 7 is tied to VSS.

MC14543BDG Quick Information

Product Type: Display Driver
Canonical Name: MC14543B BCD-to-Seven Segment Latch/Decoder/Driver for Liquid Crystals
Subcategory: Display Drivers

MC14543BDG Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

MC14543BDG Estimated Pricing

Qty Low High
1+ $0.75 $0.75

Estimated market price range - modelled values for guidance only, not live distributor offers.

MC14543BDG Features

  • BCD-to-seven segment latch/decoder/driver
  • Designed for liquid crystal readouts
  • Wide supply voltage range 3.0 V to 18 V
  • 10 µA output current capability
  • 16-SOIC surface mount package

MC14543BDG Applications

  • Instrument display driver
  • Calculator display driver
  • Cockpit display driver
  • Clock and timer uses

MC14543BDG FAQs

5 frequently asked questions generated from this part’s specifications.
What is the supply voltage range of the MC14543BDG?

The supply voltage range is 3.0V to 18V.

What is the operating temperature range?

The operating temperature range is -55°C to 125°C.

What package does the MC14543BDG come in?

It comes in a 16-SOIC surface-mount package.

What type of display does this driver support?

It drives a 7-segment LCD display.

What is the output current of the MC14543BDG?

The maximum output current is 10 µA.

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