FT24C02A-FPR-T Equivalent & Substitute Parts

Part Overview

The FT24C02A-FPR-T is a 2Kbit EEPROM memory IC with I2C interface operating at 1 MHz, manufactured by Fremont Micro Devices Ltd in SOT-23-5 surface mount package. This part is discontinued at DiGi Electronics, necessitating identification of equivalent alternatives that maintain identical electrical and mechanical specifications for direct board-level substitution.

Key Parameters

Parameter	Value
Memory Type	Non-Volatile EEPROM
Memory Size	2Kbit
Memory Organization	256 x 8
Interface	I2C
Clock Frequency	1 MHz
Access Time	550 ns (main part)
Write Cycle Time	5 ms
Supply Voltage	1.8V ~ 5.5V
Operating Temperature	-40°C ~ 85°C
Package / Case	SC-74A, SOT-753 (SOT-23-5)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict equivalence across the following parameters: memory size (2Kbit), memory organization (256 x 8), interface protocol (I2C), clock frequency (1 MHz), package type (SOT-23-5), and compliance certifications (ROHS3, REACH Unaffected). Parts are grouped into two categories:

Parametric Equivalents maintain all electrical and mechanical specifications within the allowed tolerances of the main part. These parts are direct pin-for-pin replacements with identical performance characteristics.

Similar Parts maintain core functional equivalence but may exhibit minor variations in access time or supply voltage range, provided these variations do not exceed the design margins of the application circuit.

Parameter Comparison

Parameter	FT24C02A-FPR-T	FT24C02A-FLR-T	FT24C02A-KLR-T	S-24C02DI-M5T1U5
Manufacturer	Fremont Micro Devices Ltd	Fremont Micro Devices Ltd	Fremont Micro Devices Ltd	ABLIC Inc.
Memory Size	2Kbit	2Kbit	2Kbit	2Kbit
Memory Organization	256 x 8	256 x 8	256 x 8	256 x 8
Interface	I2C	I2C	I2C	I2C
Clock Frequency	1 MHz	1 MHz	1 MHz	1 MHz
Access Time	550 ns	550 ns	550 ns	500 ns
Write Cycle Time	5 ms	5 ms	5 ms	5 ms
Supply Voltage	1.8V ~ 5.5V	1.8V ~ 5.5V	1.8V ~ 5.5V	1.7V ~ 5.5V
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Package / Case	SC-74A, SOT-753	SC-74A, SOT-753	SC-74A, SOT-753	SC-74A, SOT-753
Supplier Device Package	SOT-23-5	SOT-23-5	SOT-23-5	SOT-23-5
Product Status	Discontinued	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

FT24C02A-FLR-T and FT24C02A-KLR-T are parametric equivalents of the FT24C02A-FPR-T. Both parts are manufactured by Fremont Micro Devices Ltd with active product status, ensuring continued availability and supply chain stability. These parts are identical in electrical performance and package configuration, differing only in packaging format (Tape & Reel versus Cut Tape & Digi-Reel). Selection between these two should be based on procurement and assembly requirements.

S-24C02DI-M5T1U5 is a similar part manufactured by ABLIC Inc. with active product status. This part maintains functional equivalence with a faster access time (500 ns versus 550 ns) and a marginally lower minimum supply voltage (1.7V versus 1.8V). The improved access time provides additional design margin. All parts carry ROHS3 compliance and REACH Unaffected status, meeting regulatory requirements.

Frequently Asked Questions (FAQ)

Q: Can FT24C02A-FLR-T and FT24C02A-KLR-T be used interchangeably with FT24C02A-FPR-T?

A: Yes. Both parts are parametric equivalents with identical electrical specifications, memory capacity, interface protocol, and package type. The difference is packaging format only. FT24C02A-FLR-T is supplied in Tape & Reel format, while FT24C02A-KLR-T is supplied in Cut Tape & Digi-Reel format.

Q: Is S-24C02DI-M5T1U5 a direct replacement for FT24C02A-FPR-T?

A: S-24C02DI-M5T1U5 is a functional equivalent with identical memory capacity, organization, interface, and package type. The access time is faster (500 ns versus 550 ns), and the minimum supply voltage is 1.7V instead of 1.8V. These variations are within acceptable design margins for I2C EEPROM applications.

Q: What are the key parameters that determine substitution compatibility?

A: Substitution compatibility is determined by: memory size (2Kbit), memory organization (256 x 8), I2C interface, 1 MHz clock frequency, SOT-23-5 package type, -40°C to 85°C operating temperature range, and 1.8V to 5.5V supply voltage range (or compatible subset). All substitute parts meet these criteria.

Q: Are all substitute parts RoHS compliant?

A: Yes. FT24C02A-FLR-T, FT24C02A-KLR-T, and S-24C02DI-M5T1U5 are all ROHS3 compliant and REACH Unaffected, meeting current regulatory requirements.

Q: What is the difference between the packaging options?

A: FT24C02A-FPR-T and FT24C02A-FLR-T are supplied in Tape & Reel (TR) format for automated assembly. FT24C02A-KLR-T is supplied in Cut Tape (CT) & Digi-Reel format. The electrical and mechanical specifications are identical; packaging format affects procurement and assembly logistics only.

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