MC14543B - ON Semiconductor

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

MC14543B
Manufacturer

ON Semiconductor
ChipWorker Part#

CW361588124
RoHS

Lead free / RoHS Compliant
Description

BCD-to-7-Segment Latch/Decoder/Driver for Liquid Crystals
Documentation

Datasheet

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MC14543B Specifications

Attribute	Attribute Value

Part Number	MC14543B
Manufacturer	ON Semiconductor
ChipWorker Part#	CW361588124
Documentation	Datasheet
	expand all
Product Lifecycle Status	Unknown
RoHS	RoHS Compliant
Lead-Free Status	Lead Free

Product Description

BCD−to−Seven Segment Latch/Decoder/Driver for Liquid Crystals
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.
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 = 3.0 V to 18 V
•Capable of Driving 2 Low−power TTL Loads, 1 Low−power Schottky
TTL Load or 2 HTL Loads Overthe Rated Temperature Range
•Pin−for−Pin Replacement for CD4056A (with Pin 7 Tied to VSS).
•Chip Complexity: 207 FETs or 52 Equivalent Gates
•Pb−Free Packages are Available

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