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AY0438 Datasheet PDF

Part Series:AY0438 Series
Category:Semiconductors & Actives
Description:Segment Display LCD Driver 3.3V/5V 44Pin PLCC Tube
Document:AY0438-I/L Datasheet PDF (44 Pages)

AY0438 Semiconductors & Actives Datasheet PDF

AY0438 Datasheet PDF Semiconductors & Actives

44 Pages
Microchip
LCD DRVR 3.3V/5V 44Pin PLCC
44 Pages
Microchip
LCD DRVR 3.3V/5V 44Pin PLCC

AY0438-I/L - Microchip Specifications

TYPE
DESCRIPTION
Mounting Style
Surface Mount
Frequency
1.5 MHz
Number of Pins
44 Pin
Supply Voltage (DC)
3.00V (min)
Operating Voltage
3V ~ 8.5V
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AY0438-I/L - Microchip Function Overview

The AY0438-I/L is a CMOS LCD Driver acts as a smart peripheral that drives up to 32 LCD segments. The AY0438 is a CMOS integrated device that drives a liquid crystal display, usually under microprocessor control. It needs only three control lines due to its serial input construction. It latches the data to be displayed and relieves the microprocessor from the task of generating the required waveforms. The AY0438 can drive any standard or custom parallel drive LCD display, whether it be field effect or dynamic scattering; 7/9/14/16-segment characters, decimals, leading + or - or special symbols. Several AY0438 devices can be cascaded. The AC frequency of the LCD waveforms can either be supplied by the user or generated by attaching a capacitor to the LCD input, which controls the frequency of an internal oscillator.
CMOS and TTL-compatible inputs
Electrostatic discharge protection on all pins
Cascadable
On-chip oscillator
Requires only three control lines
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