PCF85103C-2T/00:11 Equivalent & Substitute Parts

Part Overview

The PCF85103C-2T/00:11 is a 2Kbit EEPROM memory IC manufactured by NXP Semiconductors, featuring I2C interface operation at 100 kHz with 8-SO surface mount packaging. This component is classified as obsolete, making identification of functionally equivalent alternatives necessary for ongoing system support and new design implementations. The part operates across a supply voltage range of 2.5V to 6.0V and supports industrial temperature ranges from -40°C to 85°C.

Key Parameters

Parameter	Value
Memory Type	Non-Volatile EEPROM
Memory Size	2Kbit
Memory Organization	256 x 8
Memory Interface	I2C
Clock Frequency	100 kHz
Voltage Supply Range	2.5V ~ 6.0V
Operating Temperature	-40°C ~ 85°C
Package Type	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the PCF85103C-2T/00:11 is determined by the following critical parameters:

Memory capacity and organization must remain constant at 2Kbit with 256 x 8 configuration to ensure firmware and data storage compatibility. The I2C interface is mandatory for system communication protocol compatibility. Package type must be 8-SOIC with identical physical dimensions (0.154", 3.90mm Width) to maintain PCB layout compatibility. Operating temperature range must encompass or equal the original specification (-40°C to 85°C). Supply voltage range of the substitute must be compatible with system power delivery, with overlap required in the operational window. RoHS3 compliance and regulatory certifications (REACH, ECCN) must be maintained for supply chain and export compliance.

The M24C02-FMN6TP meets these substitution criteria through identical memory capacity, organization, I2C interface, package dimensions, temperature range, and regulatory compliance status.

Parameter Comparison

Parameter	PCF85103C-2T/00:11	M24C02-FMN6TP
Manufacturer	NXP Semiconductors	STMicroelectronics
Memory Type	Non-Volatile EEPROM	Non-Volatile EEPROM
Memory Size	2Kbit	2Kbit
Memory Organization	256 x 8	256 x 8
Memory Interface	I2C	I2C
Clock Frequency	100 kHz	400 kHz
Voltage Supply Range	2.5V ~ 6.0V	1.7V ~ 5.5V
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C
Package Type	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount	Surface Mount
Product Status	Obsolete	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

The M24C02-FMN6TP is a direct functional equivalent for the obsolete PCF85103C-2T/00:11. Both components maintain identical memory capacity, organization, interface protocol, package dimensions, and temperature operating range. The substitute part is currently in active production status with verified availability, addressing the obsolescence constraint of the original component.

The M24C02-FMN6TP operates at an elevated clock frequency of 400 kHz compared to the original 100 kHz specification, providing enhanced data transfer performance without compromising backward compatibility. The substitute's supply voltage range (1.7V ~ 5.5V) encompasses the original specification window (2.5V ~ 6.0V) with extended lower voltage capability. Both components maintain identical RoHS3 compliance and regulatory certifications (REACH, ECCN EAR99).

Frequently Asked Questions (FAQ)

Q: Can the M24C02-FMN6TP directly replace the PCF85103C-2T/00:11 without PCB modifications?

A: Yes. Both components share identical 8-SOIC package dimensions (0.154", 3.90mm Width) and pinout compatibility for I2C interface operation. No PCB layout changes are required for physical substitution.

Q: What is the impact of the higher clock frequency (400 kHz vs. 100 kHz) on system compatibility?

A: The M24C02-FMN6TP's 400 kHz operation is backward compatible with systems designed for 100 kHz I2C communication. The substitute will operate at the lower frequency when the host controller specifies 100 kHz bus speed, ensuring full compatibility with existing firmware and protocols.

Q: Are there voltage supply considerations when substituting these components?

A: The M24C02-FMN6TP's supply range (1.7V ~ 5.5V) overlaps with the original specification (2.5V ~ 6.0V) across the 2.5V to 5.5V window. Systems operating within this overlap range require no power supply modifications. Systems operating above 5.5V or below 2.5V require evaluation against the specific substitute's datasheet limits.

Q: Does the substitute maintain regulatory compliance for the original application?

A: Yes. The M24C02-FMN6TP maintains ROHS3 compliance, REACH unaffected status, and EAR99 ECCN classification identical to the original component, ensuring supply chain and export compliance requirements are preserved.

Q: What is the availability status difference between these components?

A: The PCF85103C-2T/00:11 is classified as obsolete with limited remaining inventory. The M24C02-FMN6TP is in active production status with verified high-volume availability (27,113 pieces in stock), providing long-term supply security for new designs and production continuity.

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