34VL02/MS EEPROM Memory IC Equivalent & Substitute Parts

Part Overview

The 34VL02/MS is a 2Kbit I2C EEPROM memory integrated circuit manufactured by Microchip Technology. This non-volatile memory device operates at 400 kHz I2C bus frequency with 900 ns access time, designed for embedded systems requiring persistent data storage in compact form factors. The device is currently in active production status. Substitute parts are identified when equivalent electrical specifications, memory capacity, interface protocol, and physical packaging enable direct functional replacement in circuit designs.

Key Parameters

Parameter	Value
Memory Size	2Kbit
Memory Organization	256 x 8
Memory Interface	I2C
Clock Frequency	400 kHz
Access Time	900 ns
Write Cycle Time	5 ms
Supply Voltage Range	1.5V ~ 3.6V
Operating Temperature	-20°C ~ 85°C
Package Type	8-MSOP (0.118", 3.00mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

The 24VL025/MS qualifies as a parametric equivalent to the 34VL02/MS based on the following critical substitution criteria:

Matching Electrical Specifications:

Memory capacity: 2Kbit (256 x 8 organization)
Interface protocol: I2C at 400 kHz
Access time: 900 ns
Write cycle time: 5 ms
Supply voltage range: 1.5V ~ 3.6V
Operating temperature range: -20°C ~ 85°C

Matching Physical Specifications:

Package type: 8-MSOP (0.118", 3.00mm Width)
Mounting type: Surface Mount
Pin count and footprint compatibility

Matching Compliance & Certifications:

RoHS3 Compliant
MSL Rating: 1 (Unlimited)
REACH Status: REACH Unaffected
ECCN: EAR99
HTSUS: 8542.32.0051

All parameters determining functional and physical interchangeability are identical between the main part and substitute.

Parameter Comparison

Parameter	34VL02/MS	24VL025/MS	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	5 ms	5 ms	Identical
Supply Voltage	1.5V ~ 3.6V	1.5V ~ 3.6V	Identical
Operating Temperature	-20°C ~ 85°C	-20°C ~ 85°C	Identical
Package Type	8-MSOP	8-MSOP	Identical
Mounting Type	Surface Mount	Surface Mount	Identical
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Identical
MSL Rating	1 (Unlimited)	1 (Unlimited)	Identical
Product Status	Active	Active	Identical

Engineering Selection Recommendations

Both the 34VL02/MS and 24VL025/MS are active production devices from Microchip Technology with identical electrical, mechanical, and compliance specifications. Selection between these parts may be based on:

Availability: The 24VL025/MS currently has higher inventory (2265 pcs) compared to the 34VL02/MS (1163 pcs), making it suitable for applications requiring immediate procurement or high-volume production runs.

Programmability Verification: The 24VL025/MS carries DiGi-Electronics Programmable verification status, while the 34VL02/MS status is not verified. This distinction may be relevant for applications requiring documented programmability confirmation.

Compliance Assurance: Both parts maintain identical RoHS3 compliance, MSL ratings, REACH status, and trade classification codes, ensuring regulatory requirements are met regardless of which part is selected.

Frequently Asked Questions (FAQ)

Q: Can the 24VL025/MS directly replace the 34VL02/MS in existing circuit designs?

A: Yes. The 24VL025/MS is a direct parametric equivalent with identical memory capacity, I2C interface specifications, access timing, supply voltage range, operating temperature range, and 8-MSOP package footprint. No circuit modifications are required.

Q: Are the pin configurations identical between these parts?

A: Both parts use the 8-MSOP package with 0.118" width and 3.00mm body dimension. Pin count and footprint are identical, enabling direct PCB-level substitution.

Q: What is the significance of the DiGi-Electronics Programmable verification status?

A: The 24VL025/MS carries verified programmability status from DiGi-Electronics, indicating documented confirmation of programming capability. The 34VL02/MS programmability status is not verified through this channel. Both parts function identically in I2C EEPROM applications.

Q: Do both parts meet the same environmental and regulatory standards?

A: Yes. Both the 34VL02/MS and 24VL025/MS are ROHS3 compliant, carry MSL rating 1 (unlimited moisture sensitivity level), maintain REACH unaffected status, and share identical ECCN and HTSUS classifications.

Q: Which part should be selected for new designs?

A: Selection should be based on current availability and supply chain requirements. Both parts are active production devices with identical specifications. The 24VL025/MS offers higher current inventory availability.

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