25LC320-I/P EEPROM Memory IC Equivalent & Substitute Parts

Part Overview

The 25LC320-I/P is a 32Kbit Serial Peripheral Interface (SPI) EEPROM memory integrated circuit manufactured by Microchip Technology. This non-volatile memory device operates at 2 MHz clock frequency and is housed in an 8-pin DIP package suitable for through-hole mounting applications. The part is currently in active production status with full RoHS3 compliance and unlimited moisture sensitivity rating. Substitute parts are identified when equivalent memory capacity, interface protocol, package configuration, and electrical specifications align within acceptable operational parameters.

Substiute Parts

25LC320-I/P

Microchip TechnologyIn Stock: 235725LC320-I/P Datasheet

Current PartRFQ

25LC320A-I/P

Microchip TechnologyIn Stock: 235425LC320A-I/P Datasheet

DirectRFQ

25LC320/P

Microchip TechnologyIn Stock: 131225LC320/P Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 25LC320-I/P is determined by the following critical parameters: memory capacity (32Kbit), memory organization (4K x 8), SPI interface protocol, package type (8-DIP), and through-hole mounting configuration. Parts meeting these core requirements are classified as direct substitutes. Secondary parameters including clock frequency, operating temperature range, and supply voltage specifications define functional compatibility within specific application contexts. All identified substitutes maintain identical memory size, organization, interface type, and physical packaging, ensuring pin-compatible replacement capability.

Parameter Comparison

Engineering Selection Recommendations

The 25LC320-I/P and 25LC320/P are functionally equivalent for applications operating within the 0°C to 70°C temperature range, with both parts offering 2 MHz clock frequency and verified programmability status. The 25LC320A-I/P operates at 10 MHz clock frequency, providing enhanced speed capability while maintaining identical memory capacity and package configuration. Selection between these parts depends on application temperature requirements and clock frequency specifications. All three parts maintain active production status, full RoHS3 compliance, and REACH unaffected classification, supporting long-term supply chain stability.

Frequently Asked Questions (FAQ)

Q: Can the 25LC320A-I/P replace the 25LC320-I/P in existing designs?

A: The 25LC320A-I/P is pin-compatible and functionally compatible for applications not requiring the extended -40°C lower temperature limit. The 10 MHz clock frequency of the 25LC320A-I/P is backward compatible with designs specified for 2 MHz operation. Verification of application timing requirements is necessary before substitution.

Q: What is the difference between 25LC320-I/P and 25LC320/P?

A: Both parts operate at 2 MHz clock frequency with identical memory specifications. The primary difference is operating temperature range: 25LC320-I/P supports -40°C to 85°C, while 25LC320/P supports 0°C to 70°C. Selection depends on application environmental requirements.

Q: Are all substitute parts available in the same package configuration?

A: All identified substitutes are supplied in 8-DIP (0.300", 7.62mm) through-hole packages, ensuring mechanical and electrical pin compatibility for direct board-level replacement.

Q: Do substitute parts maintain the same write cycle time?

A: All substitute parts maintain a 5ms write cycle time specification, ensuring consistent data programming performance across equivalent devices.

Q: What compliance certifications apply to all substitute parts?

A: All parts listed maintain ROHS3 compliance, REACH unaffected status, and EAR99 export classification, supporting regulatory requirements for industrial and commercial applications.