LCD-14074 Equivalent & Substitute Parts

Part Overview

The LCD-14074 is a character display module manufactured by SparkFun Electronics, featuring an 80-character monochrome LCD with a 20 x 4 display format. This module supports multiple communication interfaces including I2C, Serial, and SPI, with a 3.3V supply voltage requirement. The display features a red/green/blue background with black text output.

The LCD-14074 is classified as obsolete. Given its discontinued status, identifying equivalent and substitute components is essential for maintaining system compatibility, ensuring continued availability for replacement applications, and supporting legacy system maintenance.

Substiute Parts

LCD-14074

SparkFun ElectronicsIn Stock: 807LCD-14074 Datasheet

Current PartRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the LCD-14074 is determined by strict alignment with the following critical parameters:

Display Specifications: Character count (80 characters), display format (20 x 4 rows and columns), and display type (monochrome LCD) must match exactly to ensure physical and functional compatibility.

Electrical Requirements: Supply voltage (3.3V) and interface protocols (I2C, Serial, SPI) must be identical or backward-compatible to prevent circuit redesign and firmware modification.

Visual Output: Text color (black) and background color (red/green/blue) must correspond to maintain consistent user interface appearance and readability.

Compliance & Status: RoHS compliance and MSL rating must meet or exceed the original specification to ensure regulatory adherence and reliability in storage and handling.

No substitute parts have been identified for the LCD-14074 based on the provided component database. Direct equivalents with identical specifications are not currently available.

Parameter Comparison

Engineering Selection Recommendations

The LCD-14074 is an obsolete component with no identified direct substitutes in the current component database. For applications requiring this specific display module, the following engineering approaches are applicable:

Inventory Sourcing: 713 units of the LCD-14074 remain available as new original stock. For immediate requirements, procurement from existing inventory is the most direct solution.

Compliance Verification: Any future substitute component must maintain RoHS compliance and MSL Level 1 rating to meet regulatory and reliability standards equivalent to the original specification.

Interface Compatibility: Substitute components must support all three communication protocols (I2C, Serial, SPI) to ensure compatibility with existing firmware and circuit designs without modification.

Frequently Asked Questions (FAQ)

Q: Why is the LCD-14074 classified as obsolete? A: The LCD-14074 has been discontinued by the manufacturer. Obsolete status indicates that new production has ceased, though existing inventory may remain available.

Q: What are the critical parameters for finding a substitute? A: Display format (20 x 4), character count (80), monochrome LCD type, 3.3V supply voltage, and multi-protocol interface support (I2C, Serial, SPI) are the primary criteria determining substitution eligibility.

Q: Can I use a different display format as a substitute? A: No. The 20 x 4 display format is a fixed specification. Alternative formats would require firmware modification and circuit redesign, making them incompatible substitutes.

Q: Are there any RoHS compliance concerns with the LCD-14074? A: No. The LCD-14074 is RoHS compliant and carries MSL Level 1 rating, meeting current regulatory standards.

Q: What should I do if I cannot source the LCD-14074? A: Contact the manufacturer or authorized distributors to confirm availability. If unavailable, a custom display solution or alternative product line evaluation may be necessary.