LCD-09351 Equivalent & Substitute Parts

Part Overview

The LCD-09351 is a Graphic LCD Display Module featuring a 128 x 64 pixel STN (Super-Twisted Nematic) transflective blue display with serial interface and LED backlight, manufactured by SparkFun Electronics. This product is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing design support and component procurement.

The obsolete status necessitates sourcing equivalent models that maintain compatibility with existing designs while offering active product availability and continued manufacturer support.

Substiute Parts

LCD-09351

SparkFun ElectronicsIn Stock: 1238LCD-09351 Datasheet

Current PartRFQ

LCM-H12864GSF/H-Y

Lumex Opto/Components Inc.In Stock: 971LCM-H12864GSF/H-Y Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the LCD-09351 is determined by the following critical parameters:

Display Resolution & Physical Dimensions: The 128 x 64 pixel resolution and 60.00mm W x 32.50mm H viewing area define the functional display footprint. Equivalent parts must maintain these specifications to ensure compatibility with existing mechanical assemblies and software implementations.

Display Technology: STN transflective technology with LED backlight is the core display architecture. Substitute parts must employ the same display type and mode to preserve optical characteristics and viewing performance.

Interface Compatibility: The serial interface is a primary electrical requirement. While the main part uses serial communication, substitute parts may employ parallel interfaces if the design permits controller-level adaptation.

Physical Parameters: Dot size (0.39mm W x 0.39mm H) and dot pitch (0.43mm W x 0.43mm H) determine pixel density and visual clarity. Substitutes with equivalent or superior dot specifications maintain display quality.

Environmental Compliance: RoHS compliance and MSL rating ensure regulatory conformance and handling requirements are met across the supply chain.

The LCM-H12864GSF/H-Y qualifies as a substitute based on matching resolution, viewing area, display technology, transflective mode, LED backlight, and environmental compliance, despite differences in interface type and color characteristics.

Parameter Comparison

Engineering Selection Recommendations

The LCM-H12864GSF/H-Y is an active product with current manufacturer support and ROHS3 compliance, providing supply chain continuity for applications currently using the obsolete LCD-09351.

Primary Consideration: The interface difference between serial (LCD-09351) and parallel 8-bit (LCM-H12864GSF/H-Y) requires controller-level evaluation. Systems with flexible interface support can accommodate this substitute without mechanical or optical redesign.

Secondary Considerations: The graphics color transition from blue to gray and background color variation from yellow/green to green represent visual differences that may affect display contrast and readability in specific lighting conditions. Dot size increases marginally from 0.39mm to 0.40mm, resulting in negligible visual impact given the identical dot pitch specification.

Compliance Status: Both parts meet MSL 1 requirements and RoHS standards, ensuring equivalent environmental handling and regulatory compliance across manufacturing and field deployment.

Frequently Asked Questions (FAQ)

Q: Can the LCM-H12864GSF/H-Y directly replace the LCD-09351 without design modifications?

A: Direct mechanical and optical replacement is possible due to identical viewing area and pixel resolution. However, the interface change from serial to parallel 8-bit requires controller firmware or hardware adaptation. Designs with flexible interface support can implement this substitute without redesign.

Q: What are the implications of the color difference between the two displays?

A: The LCD-09351 features blue graphics on a yellow/green background, while the LCM-H12864GSF/H-Y displays gray graphics on a green background. This affects visual contrast and readability. Applications sensitive to specific color characteristics should evaluate display samples under intended operating lighting conditions.

Q: Are both parts suitable for the same environmental and handling requirements?

A: Yes. Both parts carry MSL 1 (Unlimited) ratings and meet RoHS compliance standards, ensuring equivalent moisture sensitivity and environmental compliance across manufacturing, storage, and field deployment.

Q: What is the significance of the dot size difference?

A: The dot size increases from 0.39mm to 0.40mm, a 2.6% increase. With identical dot pitch (0.43mm), this results in negligible visual impact on pixel density and display clarity.

Q: Why is the LCD-09351 classified as obsolete?

A: Obsolete status indicates the manufacturer has discontinued production and support. The LCM-H12864GSF/H-Y, maintained as an active product by Lumex, provides ongoing availability and manufacturer technical support for equivalent applications.