24AA515-I/P EEPROM Memory IC Equivalent & Substitute Parts

Part Overview

The 24AA515-I/P is a 512Kbit I2C EEPROM memory integrated circuit manufactured by Microchip Technology. This non-volatile memory device operates at 400 kHz clock frequency with 900 ns access time, housed in an 8-PDIP through-hole package. The component is actively produced and ROHS3 compliant, making it suitable for embedded systems requiring persistent data storage with I2C serial interface connectivity.

Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained across the same product category, allowing direct replacement in circuit designs without functional degradation.

Substiute Parts

24AA515-I/P
Microchip TechnologyIn Stock: 120324AA515-I/P Datasheet
24AA515-I/P
Current Part
24AA512-I/P
Microchip TechnologyIn Stock: 182724AA512-I/P Datasheet
24AA512-I/P
MFR Recommended
24FC512-I/P
Microchip TechnologyIn Stock: 198024FC512-I/P Datasheet
24FC512-I/P
MFR Recommended

Key Parameters

Parameter Value
Memory Size 512Kbit
Memory Organization 64K x 8
Memory Interface I2C
Clock Frequency 400 kHz
Access Time 900 ns
Write Cycle Time 5ms
Voltage Supply Range 1.8V ~ 5.5V
Operating Temperature -40°C ~ 85°C
Package Type 8-DIP (0.300", 7.62mm)
Mounting Type Through Hole
RoHS Status ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the 24AA515-I/P are qualified based on the following criteria:

Critical Parameters for Substitution:

  • Memory capacity: 512Kbit
  • Memory organization: 64K x 8
  • Interface protocol: I2C
  • Package type: 8-DIP through-hole
  • Supply voltage compatibility: minimum 1.8V operation
  • Operating temperature range: -40°C ~ 85°C
  • RoHS compliance status

The 24AA512-I/P maintains identical electrical and mechanical specifications with the exception of minimum supply voltage (1.7V vs 1.8V), representing a broader operational envelope. The 24FC512-I/P operates at higher clock frequency (1 MHz vs 400 kHz) and faster access time (400 ns vs 900 ns), with equivalent minimum supply voltage of 1.7V. Both substitutes share identical package geometry, memory capacity, and I2C interface protocol.

Parameter Comparison

Parameter 24AA515-I/P 24AA512-I/P 24FC512-I/P
Memory Size 512Kbit 512Kbit 512Kbit
Memory Organization 64K x 8 64K x 8 64K x 8
Memory Interface I2C I2C I2C
Clock Frequency 400 kHz 400 kHz 1 MHz
Access Time 900 ns 900 ns 400 ns
Write Cycle Time 5ms 5ms 5ms
Voltage Supply Range 1.8V ~ 5.5V 1.7V ~ 5.5V 1.7V ~ 5.5V
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C
Package / Case 8-DIP (0.300", 7.62mm) 8-DIP (0.300", 7.62mm) 8-DIP (0.300", 7.62mm)
Mounting Type Through Hole Through Hole Through Hole
RoHS Status ROHS3 Compliant ROHS3 Compliant ROHS3 Compliant
Product Status Active Active Active

Engineering Selection Recommendations

Both 24AA512-I/P and 24FC512-I/P are qualified substitutes for the 24AA515-I/P based on maintained electrical and mechanical compatibility. All three components are actively manufactured by Microchip Technology, ROHS3 compliant, and rated for identical operating temperature ranges.

The 24AA512-I/P provides direct functional equivalence with extended minimum supply voltage tolerance (1.7V operation). The 24FC512-I/P offers enhanced performance characteristics through increased clock frequency and reduced access time, suitable for applications requiring faster I2C communication cycles while maintaining backward compatibility with the 8-DIP package footprint and I2C protocol.

Component selection should be based on circuit supply voltage requirements and I2C timing specifications. All three parts are suitable for through-hole PCB assembly and meet REACH and EAR99 export compliance classifications.

Frequently Asked Questions (FAQ)

Q: Can 24AA512-I/P directly replace 24AA515-I/P in existing designs?

A: Yes. The 24AA512-I/P maintains identical memory capacity, organization, interface protocol, package geometry, and operating temperature range. The extended minimum supply voltage (1.7V vs 1.8V) represents a broader operational envelope, ensuring compatibility with designs operating at 1.8V or higher.

Q: What is the primary difference between 24FC512-I/P and 24AA515-I/P?

A: The 24FC512-I/P operates at 1 MHz clock frequency with 400 ns access time, compared to 400 kHz and 900 ns for the 24AA515-I/P. Both devices share identical memory capacity, I2C interface, 8-DIP package, and operating temperature specifications. The 24FC512-I/P is suitable for applications requiring faster serial communication.

Q: Are all three parts compatible with the same PCB footprint?

A: Yes. All three components use identical 8-DIP (0.300", 7.62mm) through-hole package geometry, ensuring direct mechanical compatibility on existing PCB layouts without modification.

Q: Do supply voltage differences affect substitution compatibility?

A: The 24AA515-I/P operates from 1.8V to 5.5V, while both substitute parts operate from 1.7V to 5.5V. Designs operating at 1.8V or higher are fully compatible with all three parts. Designs requiring 1.7V operation require the 24AA512-I/P or 24FC512-I/P.

Q: What compliance certifications apply to all substitute parts?

A: All three components are ROHS3 compliant, REACH unaffected, and classified as EAR99 for export purposes. Moisture sensitivity level is rated as 1 (unlimited), indicating no special handling requirements during storage or assembly.

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