AY0438-I/L Microchip Undefined or Miscellaneous (Plastic Leaded Chip Carrier) In Stock

Name: AY0438-I/L
Brand: Microchip
SKU: AY0438-I/L
Availability: InStock

Microchip AY0438-I/L is a serial-input LCD driver capable of driving 4-digit, 32-segment static displays from a 3 V to 8.5 V supply, housed in a 44-pin PLCC package for straightforward board integration. From $2.10 in stock worldwide shipping.

OBSOLETEUndefined or MiscellaneousVerified Jun 2026

Package / Visual Reference

AY0438-I/LPlastic Leaded Chip Carrier

Quick Facts

Manufacturer: Microchip
Package: Plastic Leaded Chip Carrier
Pin Count: 44
Lifecycle: OBSOLETE
Datasheet: AY0438-I/L Datasheet PDF
Category: Undefined or Miscellaneous
Price: From $3.0000(MOQ 1)
Temp Range: -40.0°C to 85.0°C
RoHS: Compliant
Lead Time: 3–7 business days
Shipping: DHL Express · Worldwide

What are the key features of AY0438-I/L?

Drives up to 32 LCD segments for 4-digit static display with serial data input, minimizing microcontroller I/O pin usage
Wide 3 V to 8.5 V supply range enabling compatibility with both 3.3 V and 5 V system rails without a voltage regulator
44-pin PLCC package with RoHS-compliant construction supporting reliable long-lifecycle industrial display product integration

What is AY0438-I/L used for?

The AY0438-I/L is used in industrial panel meters, energy monitors, and white goods appliances where a 4-digit, 32-segment LCD must be driven from a serial interface with minimal wiring. Its wide 3 V to 8.5 V supply range makes it compatible with battery-operated handheld instruments and 5 V microcontroller-based designs alike. The static drive architecture eliminates multiplexing complexity, simplifying firmware development for consumer electronics with persistent numeric readouts.

What are the specifications of AY0438-I/L?

Pbfree Code	Yes
Manufacturer Package Code	PLCC-44
YTEOL	0
Data Input Mode	SERIAL
Display Mode	SEGMENT
Interface IC Type	LIQUID CRYSTAL DISPLAY DRIVER
JESD-30 Code	S-PQCC-J44
JESD-609 Code	e3
Multiplexed Display Capability	NO
Number of Digits/Characters	4-DIGIT
Number of Functions	1
Number of Segments	32
Output Polarity	TRUE
Package Body Material	PLASTIC/EPOXY
Package Equivalence Code	LDCC44,.7SQ
Package Shape	SQUARE
Package Style	CHIP CARRIER
Peak Reflow Temperature (Cel)	245
Qualification Status	Not Qualified
Supply Current-Max	0.06mA
Supply Voltage-Max	8.5V
Supply Voltage-Min	3V
Supply Voltage-Nom	5V
Surface Mount	YES
Technology	CMOS
Temperature Grade	INDUSTRIAL
Terminal Finish	Matte Tin (Sn)
Terminal Form	J BEND
Terminal Pitch	1.27mm
Terminal Position	QUAD
Time@Peak Reflow Temperature-Max (s)	40
fmax-Min	1.5MHz
Package	Plastic Leaded Chip Carrier

Compliance & Regulatory

RoHS Status	Compliant
Lead-Free	Yes (Pb-Free)
Moisture Sensitivity Level	MSL 1
ECCN	EAR99
HTS Code	8542.31.00.01
Country of Origin	Thailand

Where can I find the AY0438-I/L datasheet?

AY0438-I/L Datasheet Download

Official datasheet from Microchip

What are equivalent replacements for AY0438-I/L?

No known alternates. Submit an RFQ and our team can suggest alternatives.

Frequently Asked Questions

How many LCD segments can the AY0438-I/L drive, and how does this limit display complexity?

The AY0438-I/L drives up to 32 LCD segments arranged as a 4-digit display in static mode. Each digit typically uses 8 segments for alphanumeric representation, so the 32-segment capacity covers a full 4-digit numeric readout with decimal points. Designs needing more digits require either multiple AY0438 devices daisy-chained via serial input or a higher-segment-count alternative driver.

What serial interface does the AY0438-I/L use, and how many microcontroller pins does it need?

The AY0438-I/L uses a serial data input interface that typically requires only 2 to 3 microcontroller I/O pins for data, clock, and chip select signals. Compared to parallel LCD drivers that consume 8 or more I/O lines, this serial approach leaves more GPIO available for other peripherals in I/O-constrained microcontrollers operating from a 3 V to 8.5 V supply.

For a 5 V battery-backed panel meter design, why might the AY0438-I/L be selected over a multiplexed LCD driver?

Static drive on the AY0438-I/L means each segment is continuously driven at full contrast without multiplexing, delivering better LCD visibility in bright ambient light at supply voltages from 3 V to 8.5 V. Unlike multiplexed drivers that require a display refresh timer and interrupt service routine, static drive allows the microcontroller to enter deep sleep and wake only for display updates, extending battery life in panel meter applications.

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AvailabilityIn Stock

Reference Price (USD)

From $3.0000

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Qty.	Unit Price	Ext. Price
1+	$4.6200	$4.62
100+	$3.4600	$346.00
1000+	$3.0000	$3000.00

pcs

Unit price: $4.6200 · Total: $4.62

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Lead Time3-7 business days

MOQFrom 1 piece

ShippingDHL / FedEx / UPS

OriginChina (Authorized)

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AY0438-I/L Microchip Undefined or Miscellaneous (Plastic Leaded Chip Carrier) In Stock

What are the key features of AY0438-I/L?

What is AY0438-I/L used for?

What are the specifications of AY0438-I/L?

Compliance & Regulatory

Where can I find the AY0438-I/L datasheet?

What are equivalent replacements for AY0438-I/L?

Frequently Asked Questions

How many LCD segments can the AY0438-I/L drive, and how does this limit display complexity?

What serial interface does the AY0438-I/L use, and how many microcontroller pins does it need?

For a 5 V battery-backed panel meter design, why might the AY0438-I/L be selected over a multiplexed LCD driver?

Related Guides

How to Choose a Ferrite Bead for EMI Suppression Rails: Selection Guide

150141BS73100 Design Guide for 3528 Status Indicator LED Circuits

How to Choose 150141BS73100 for Wurth 3528 SMT LED Indicator Designs

How to Choose EEEFT1V101AP for SMD Aluminum Electrolytic Capacitor Designs

Why Buy from FindMyChip

About Microchip

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