34VL02T/OT Equivalent & Substitute Parts

Part Overview

The 34VL02T/OT is a 2Kbit EEPROM memory IC manufactured by Microchip Technology, featuring I2C interface communication at 400 kHz with 900 ns access time. This component is designed for non-volatile data storage applications requiring low-power operation across a 1.5V to 3.6V supply voltage range. The device is currently in active production status with ROHS3 compliance and unlimited moisture sensitivity rating. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained across the same package footprint and interface protocol.

Key Parameters

Parameter	Specification
Memory Size	2Kbit
Memory Organization	256 x 8
Memory Interface	I2C
Clock Frequency	400 kHz
Access Time	900 ns
Write Cycle Time	5ms
Voltage Supply Range	1.5V ~ 3.6V
Operating Temperature	-20°C ~ 85°C
Package Type	SOT-23-6
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

The 24VL025T/OT qualifies as a parametric equivalent to the 34VL02T/OT based on the following critical substitution criteria:

Electrical Equivalence Parameters:

Identical memory capacity: 2Kbit with 256 x 8 organization
Matching I2C interface protocol at 400 kHz clock frequency
Identical access time specification: 900 ns
Matching write cycle time: 5ms
Identical supply voltage range: 1.5V ~ 3.6V
Identical operating temperature range: -20°C ~ 85°C

Mechanical Compatibility:

Identical package type: SOT-23-6
Surface mount mounting type
Same supplier device package specification

Compliance Alignment:

Both devices maintain ROHS3 compliance
Both carry unlimited moisture sensitivity rating (MSL 1)
Both are manufactured by Microchip Technology
Both hold active product status

The primary distinction between these parts is packaging format: the 34VL02T/OT is supplied in Cut Tape (CT) & Digi-Reel® format, while the 24VL025T/OT is supplied in Tape & Reel (TR) format. This difference does not affect electrical or mechanical compatibility in the end application.

Parameter Comparison

Parameter	34VL02T/OT	24VL025T/OT	Match Status
Manufacturer	Microchip Technology	Microchip Technology	Identical
Memory Size	2Kbit	2Kbit	Identical
Memory Organization	256 x 8	256 x 8	Identical
Memory Interface	I2C	I2C	Identical
Clock Frequency	400 kHz	400 kHz	Identical
Access Time	900 ns	900 ns	Identical
Write Cycle Time	5ms	5ms	Identical
Voltage Supply Range	1.5V ~ 3.6V	1.5V ~ 3.6V	Identical
Operating Temperature	-20°C ~ 85°C	-20°C ~ 85°C	Identical
Package Type	SOT-23-6	SOT-23-6	Identical
Mounting Type	Surface Mount	Surface Mount	Identical
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Identical
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	Identical
Product Status	Active	Active	Identical
Packaging Format	Cut Tape (CT) & Digi-Reel®	Tape & Reel (TR)	Different

Engineering Selection Recommendations

Both the 34VL02T/OT and 24VL025T/OT are suitable for applications requiring 2Kbit I2C EEPROM functionality within the specified electrical and thermal parameters. Selection between these parts should be based on packaging and supply chain requirements rather than electrical performance, as all functional specifications are identical.

The 34VL02T/OT in Cut Tape format is appropriate for lower-volume applications or component-level procurement. The 24VL025T/OT in Tape & Reel format is optimized for high-volume manufacturing environments utilizing automated pick-and-place assembly equipment.

Both devices maintain active product status with ROHS3 compliance and unlimited moisture sensitivity rating, ensuring long-term availability and regulatory compliance for industrial and commercial applications.

Frequently Asked Questions (FAQ)

Q: Can the 24VL025T/OT directly replace the 34VL02T/OT in existing designs?

A: Yes. The 24VL025T/OT is electrically and mechanically equivalent to the 34VL02T/OT. All functional parameters including memory capacity, I2C interface, clock frequency, access time, supply voltage range, and operating temperature are identical. The devices share the same SOT-23-6 package footprint and surface mount compatibility.

Q: What is the difference between Cut Tape and Tape & Reel packaging?

A: Cut Tape (CT) format provides individual component strips suitable for manual handling and lower-volume applications. Tape & Reel (TR) format supplies components on continuous reels optimized for automated assembly equipment in high-volume manufacturing. Both formats contain identical components with no electrical or mechanical differences.

Q: Are there any compliance or certification differences between these parts?

A: No. Both the 34VL02T/OT and 24VL025T/OT maintain identical ROHS3 compliance status, moisture sensitivity level (MSL 1 - Unlimited), and REACH compliance status. Both are manufactured by Microchip Technology and hold active product status.

Q: What are the critical parameters that define substitution eligibility for this EEPROM IC?

A: Substitution eligibility is determined by matching memory capacity (2Kbit), memory organization (256 x 8), I2C interface protocol, clock frequency (400 kHz), access time (900 ns), write cycle time (5ms), supply voltage range (1.5V ~ 3.6V), operating temperature range (-20°C ~ 85°C), and package type (SOT-23-6). All these parameters are identical between the 34VL02T/OT and 24VL025T/OT.

Q: Can these parts be used interchangeably in PCB assembly?

A: Yes. Both parts use the identical SOT-23-6 surface mount package with the same pin configuration and footprint. They are interchangeable at the PCB assembly level without requiring design modifications or layout changes.

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