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MC14489B - Multy-Character LED Display/Lamp Driver

Datasheet Summary

Description

section.

This device contains protection circuitry to guard against damage due to high static voltages or electric fields.

impedance circuit.

Features

  • data retention plus decode and scan circuitry, thus relieving processor overhead. A single, current-setting resistor is the only ancillary component required. A single device can drive anyone of the following: a 5-digit display plus decimals, a 4-112-digit display plus decimals and sign, or 25 lamps. A special technique allows driving 5 112 digits; see Figure 16. A configuration register allows the drive capability to be partitioned off to suit many additional.

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Datasheet preview – MC14489B

Datasheet Details

Part number MC14489B
Manufacturer Motorola
File Size 2.27 MB
Description Multy-Character LED Display/Lamp Driver
Datasheet download datasheet MC14489B Datasheet
Additional preview pages of the MC14489B datasheet.

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Full PDF Text Transcription

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www.DataSheet.co.kr MOTOROLA SEMICONDUCTOR TECHNICAL DATA M u Iti-Character lED CMOS The MC144898 is a flexible light-emitting-diode driver which directly interfaces to individual lamps, 7-segment displays, or various combinations of both. LEOs wired with common cathodes are driven in a multiplexed-by-5 fashion. Communication with an MCUIMPU is established through a synchronous serial port. The MC 144898 features data retention plus decode and scan circuitry, thus relieving processor overhead. A single, current-setting resistor is the only ancillary component required. A single device can drive anyone of the following: a 5-digit display plus decimals, a 4-112-digit display plus decimals and sign, or 25 lamps. A special technique allows driving 5 112 digits; see Figure 16.
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