BR24C01-RDS6TP EEPROM 1Kbit I2C Equivalent & Substitute Parts

Part Overview

The BR24C01-RDS6TP is a 1Kbit EEPROM memory IC manufactured by Rohm Semiconductor, featuring I2C interface with 100 kHz clock frequency in an 8-TSSOP package. This part is classified as obsolete, making substitute components necessary for new designs and ongoing production support. The device operates across a wide voltage range (1.8V to 5.5V) and temperature range (-40°C to 85°C), serving applications requiring non-volatile serial memory storage.

Key Parameters

Parameter	Value
Memory Type	Non-Volatile EEPROM
Memory Size	1Kbit
Memory Organization	128 x 8
Interface	I2C
Clock Frequency	100 kHz
Write Cycle Time	10ms
Supply Voltage	1.8V ~ 5.5V
Operating Temperature	-40°C ~ 85°C
Package	8-TSSOP
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict parameter matching across the following criteria:

Primary Compatibility Requirements:

Memory size: 1Kbit (128 x 8 organization)
Interface: I2C protocol
Package: 8-TSSOP or 8-MSOP (mechanically compatible)
Supply voltage range: Must encompass or overlap with 1.8V ~ 5.5V
Operating temperature: Must support -40°C ~ 85°C minimum
RoHS3 compliance required

Secondary Performance Parameters:

Clock frequency: 100 kHz (main part) to 400 kHz (substitute parts acceptable for backward compatibility)
Write cycle time: 10ms (main part) to 5ms (substitute parts acceptable)
Access time: Varies by substitute model

Substitute parts from Rohm Semiconductor (BR24G01 series) and Microchip Technology (24AA01/24AA014/24LC014 series) meet these criteria with enhanced performance characteristics while maintaining functional equivalence.

Parameter Comparison

Part Number	Manufacturer	Memory Size	Clock Frequency	Write Cycle Time	Supply Voltage	Operating Temperature	Package	Product Status
BR24C01-RDS6TP	Rohm Semiconductor	1Kbit	100 kHz	10ms	1.8V ~ 5.5V	-40°C ~ 85°C	8-TSSOP	Obsolete
BR24G01FVJ-3GTE2	Rohm Semiconductor	1Kbit	400 kHz	5ms	1.6V ~ 5.5V	-40°C ~ 85°C	8-TSSOP	Not For New Designs
24AA01-I/MS	Microchip Technology	1Kbit	400 kHz	5ms	1.7V ~ 5.5V	-40°C ~ 85°C	8-MSOP	Active
24AA014-I/MS	Microchip Technology	1Kbit	400 kHz	5ms	1.7V ~ 5.5V	-40°C ~ 85°C	8-MSOP	Active
24AA014H-I/MS	Microchip Technology	1Kbit	400 kHz	5ms	1.7V ~ 5.5V	-40°C ~ 85°C	8-MSOP	Active
24AA014HT-I/MS	Microchip Technology	1Kbit	400 kHz	5ms	1.7V ~ 5.5V	-40°C ~ 85°C	8-MSOP	Active
24AA014T-I/MS	Microchip Technology	1Kbit	400 kHz	5ms	1.7V ~ 5.5V	-40°C ~ 85°C	8-MSOP	Active
24AA01H-I/MS	Microchip Technology	1Kbit	400 kHz	5ms	1.7V ~ 5.5V	-40°C ~ 85°C	8-MSOP	Active
24AA01HT-I/MS	Microchip Technology	1Kbit	400 kHz	5ms	1.7V ~ 5.5V	-40°C ~ 85°C	8-MSOP	Active
24AA01T-I/MS	Microchip Technology	1Kbit	400 kHz	5ms	1.7V ~ 5.5V	-40°C ~ 85°C	8-MSOP	Active
24LC014-E/MS	Microchip Technology	1Kbit	400 kHz	5ms	2.5V ~ 5.5V	-40°C ~ 125°C	8-MSOP	Active

Engineering Selection Recommendations

For Active Production: Microchip Technology 24AA series parts (24AA01-I/MS, 24AA014-I/MS, 24AA014H-I/MS, 24AA014HT-I/MS, 24AA014T-I/MS, 24AA01H-I/MS, 24AA01HT-I/MS, 24AA01T-I/MS) are recommended as primary substitutes. All are classified as Active product status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). These parts provide enhanced performance with 400 kHz clock frequency and 5ms write cycle time while maintaining full backward compatibility with the BR24C01-RDS6TP electrical interface.

For Extended Temperature Range: The 24LC014-E/MS variant supports an extended operating temperature range of -40°C to 125°C, exceeding the original part specification. This part is suitable for applications requiring higher temperature operation while maintaining all other electrical parameters.

Rohm Semiconductor Alternative: The BR24G01FVJ-3GTE2 provides a direct manufacturer alternative from Rohm Semiconductor with identical package and temperature specifications. However, this part is classified as Not For New Designs, limiting its suitability for new product development.

Compliance Verification: All substitute parts maintain ROHS3 compliance and REACH unaffected status, matching the original part's regulatory requirements. Moisture sensitivity level remains at MSL 1 (unlimited) for all Microchip 24AA series variants.

Frequently Asked Questions (FAQ)

Q: Can I use a 400 kHz I2C EEPROM as a direct replacement for the 100 kHz BR24C01-RDS6TP?

A: Yes. The 400 kHz clock frequency in substitute parts is backward compatible with 100 kHz system designs. I2C protocol allows devices to operate at lower clock speeds than their maximum rated frequency. The substitute parts will function correctly in circuits designed for 100 kHz operation.

Q: What is the difference between 8-TSSOP and 8-MSOP packages?

A: Both packages are mechanically compatible with 0.118" (3.00mm) width and 8-pin configuration. The primary difference is in the lead pitch and body dimensions. Devices in either package can be used interchangeably in PCB layouts designed for 8-pin small outline packages, provided footprint dimensions are verified.

Q: Are the Microchip 24AA01 and 24AA014 variants functionally equivalent?

A: Yes. Both series provide 1Kbit memory capacity with 128 x 8 organization and I2C interface. The primary distinction is in access time specifications (900 ns vs. 3500 ns variants), which does not affect functional compatibility. Selection between variants depends on specific timing requirements of the application.

Q: Does the extended temperature range of 24LC014-E/MS affect compatibility?

A: No. The extended operating temperature range (-40°C to 125°C) is a superset of the original BR24C01-RDS6TP specification (-40°C to 85°C). The part operates correctly across the original temperature range and beyond. This makes it suitable for applications requiring higher temperature operation without sacrificing compatibility.

Q: What is the significance of the "H" and "T" designations in part numbers?

A: The "H" designation indicates enhanced specifications or alternative packaging variants within the same base product line. The "T" designation typically indicates Tape & Reel packaging format, while unmarked variants are supplied in Tube packaging. Both formats contain identical die and electrical specifications; packaging format selection depends on assembly process requirements.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts carry ROHS3 compliance certification, matching the original BR24C01-RDS6TP. This ensures compatibility with RoHS3 regulated applications and procurement requirements.

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