What is a cross-reference page for CAT34C02HU4IGT4A?
This page groups mapped replacement options for CAT34C02HU4IGT4A so buyers and engineers can compare alternatives before requesting a quote or approving a substitute.
Alternative part analysis
CAT34C02HU4IGT4A replacements, alternatives, and cross reference
Compare mapped replacement and alternative options for CAT34C02HU4IGT4A, then verify package, specifications, and application fit before approval.
Compare CAT34C02HU4IGT4A against mapped replacement options
Review package, lifecycle, stock, and MOQ in one view
Move from engineering screening to RFQ without leaving the page
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This product currently does not show a published cross-reference list. Use RFQ support if your team needs an alternative part review.
Specification view
Parameter Comparison Chart
A side-by-side view of the source part and its mapped alternatives so buyers and engineers can screen package, availability, lifecycle, and key descriptors before RFQ.
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| Parameter Comparison Chart | Current part CAT34C02HU4IGT4A ON Semiconductor |
|---|---|
| Part Number | CAT34C02HU4IGT4A |
| Manufacturer | ON Semiconductor |
| Category | Integrated Circuits (ICs) |
| Subcategory | Memory |
| Package | - |
| Series | - |
| Key Attributes | - |
| Description | IC EEPROM 2K I2C 400KHZ 8UDFN |
| Lifecycle | - |
| Stock | 119,929 |
| Available | 91,904 |
| Min Order | 1 |
| Datasheet | Available |
| Voltage - Supply | 1.7V~5.5V |
| Supply Voltage-Min (Vsup) | 1.7V |
| Data Retention Time-Min | 100 |
| I2C Control Byte | 1010DDDR |
| Access Time | 900ns |
| Serial Bus Type | I2C |
| Density | 2 kb |
| Memory Size | 2Kb 256 x 8 |
| Part Status | Active |
| Published | 2008 |
| REACH Status | REACH Unaffected |
| ECCN | EAR99 |
| Lead Free | Lead Free |
| Lifecycle Status | ACTIVE (Last Updated: 3 days ago) |
| Mounting Type | Surface Mount |
| Factory Lead Time | 16 Weeks |
| Packaging | Tape & Reel (TR) |
| Halogen Free | Halogen Free |
| Categories | Integrated Circuits (ICs) |
| Terminal Position | DUAL |
| Supply Voltage | 5V |
| Technology | CMOS |
| Terminal Pitch | 0.5mm |
| Operating Temperature | -40°C~85°C TA |
| Manufacturer | ON Semiconductor |
| Nominal Supply Current | 2mA |
| Interface | 2-Wire, I2C, Serial |
| Contact Plating | Gold |
| Number of Functions | 1 |
| Operating Supply Voltage | 5V |
| Radiation Hardening | No |
| Mount | Surface Mount |
| Pbfree Code | yes |
| Number of Pins | 8 |
| Number of Terminations | 8 |
| Pin Count | 8 |
| Memory Type | Non-Volatile |
| Length | 3.05mm |
| Height | 500μm |
| Sub-Categories | Memory |
| Width | 2.05mm |
| Write Protection | HARDWARE/SOFTWARE |
| Standby Current-Max | 0.000001A |
| Write Cycle Time-Max (tWC) | 5ms |
| Endurance | 1000000 Write/Erase Cycles |
| Write Cycle Time - Word, Page | 5ms |
| Memory Format | EEPROM |
| Package / Case | 8-UFDFN Exposed Pad |
| Clock Frequency | 400kHz |
| Memory Interface | I2C |
| Additional Feature | 100 YEAR DATA RETENTION |
| Base Part Number | CAT34C02 |
| Organization | 16X16 |
| Manufacturer's Part No. | CAT34C02HU4IGT4A |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| RoHS Status | ROHS3 Compliant |
| JESD-609 Code | e4 |
| HTSUS | 8542.32.0051 |
| Actions |
Cross-reference FAQ
Replacement Part Questions
Short answers for teams reviewing CAT34C02HU4IGT4A replacement and equivalent-part options.
Does a mapped alternative mean a guaranteed drop-in replacement for CAT34C02HU4IGT4A?
Not automatically. Cross-reference mapping helps shortlist candidates, but package, electrical behavior, qualification scope, and approval rules still need to be checked before release.
Which parameters should teams compare first for CAT34C02HU4IGT4A alternatives?
Start with package, series, key attributes, lifecycle status, stock position, datasheet access, and the mapped pin-to-pin or cross-reference note. Then confirm application-specific requirements in the datasheet and RFQ stage.
Can I request a quote for an alternative to CAT34C02HU4IGT4A?
Yes. Use the product links or RFQ actions on this page to request pricing, availability, documentation, and sourcing support for any listed alternative part.
Is CAT34C02HU4IGT4A obsolete, and what replacement should buyers review first?
Check the lifecycle row on this page first. If buyers need a fast starting point, the strongest mapped replacement currently surfaced here is , followed by the other alternatives shown in the comparison table.
Engineering support
Need help validating the replacement path?
If your team is unsure whether a mapped alternative to CAT34C02HU4IGT4A from ON Semiconductor is really usable, contact us for help on package fit, pin compatibility, key parameter gaps, and qualification-facing review questions.
Contact a hardware engineer
Email our engineering support contact at [email protected], or use the contact page if the question should be routed across sourcing, engineering, and support.
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Package and pin compatibility
Review whether the alternate path looks credible from package, footprint, and pin-level perspectives.
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Parameter and function gaps
Surface the electrical, interface, or application-fit questions that still need confirmation before approval.
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Qualification and approval prep
Organize the documentation, datasheet evidence, and validation checkpoints your internal team may still require.