What is a cross-reference page for 24FC256-I/MS?
This page groups mapped replacement options for 24FC256-I/MS so buyers and engineers can compare alternatives before requesting a quote or approving a substitute.
Alternative part analysis
24FC256-I/MS replacements, alternatives, and cross reference
Compare mapped replacement and alternative options for 24FC256-I/MS, then verify package, specifications, and application fit before approval.
Compare 24FC256-I/MS against mapped replacement options
Review package, lifecycle, stock, and MOQ in one view
Move from engineering screening to RFQ without leaving the page
No mapped replacement parts yet
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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The left column stays visible so buyers can keep the spec label in view while scanning multiple alternatives.
| Parameter Comparison Chart | Current part 24FC256-I/MS Microchip Technology |
|---|---|
| Part Number | 24FC256-I/MS |
| Manufacturer | Microchip Technology |
| Category | Integrated Circuits (ICs) |
| Subcategory | Memory |
| Package | TSSOP |
| Series | - |
| Key Attributes | - |
| Description | IC EEPROM 256K I2C 1MHZ 8MSOP |
| Lifecycle | - |
| Stock | 40,586 |
| Available | 71,025 |
| Min Order | 1 |
| Datasheet | Available |
| Density | 256 kb |
| Supply Voltage-Max (Vsup) | 5.5V |
| Voltage - Supply | 1.7V~5.5V |
| Data Retention Time-Min | 200 |
| Supply Voltage-Min (Vsup) | 1.7V |
| I2C Control Byte | 1010DDDR |
| Serial Bus Type | I2C |
| Access Time | 400ns |
| Memory Size | 256Kb 32K x 8 |
| Part Status | Active |
| REACH Status | REACH Unaffected |
| ECCN | EAR99 |
| Lead Free | Lead Free |
| Packaging | Tube |
| Mounting Type | Surface Mount |
| Factory Lead Time | 7 Weeks |
| Published | 2005 |
| Categories | Integrated Circuits (ICs) |
| Terminal Position | DUAL |
| Peak Reflow Temperature (Cel) | 260 |
| Technology | CMOS |
| Operating Temperature | -40°C~85°C TA |
| Terminal Pitch | 0.65mm |
| Height | 850μm |
| Package / Case | 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) |
| Manufacturer | Microchip Technology |
| Interface | I2C, Serial |
| Number of Functions | 1 |
| Nominal Supply Current | 3mA |
| Contact Plating | Tin |
| Radiation Hardening | No |
| Reflow Temperature-Max (s) | 40 |
| Mount | Surface Mount |
| Pbfree Code | yes |
| Number of Pins | 8 |
| Number of Terminations | 8 |
| Pin Count | 8 |
| Length | 3mm |
| Width | 3mm |
| Memory Type | Non-Volatile |
| Sub-Categories | Memory |
| Write Cycle Time-Max (tWC) | 5ms |
| Endurance | 1000000 Write/Erase Cycles |
| Write Cycle Time - Word, Page | 5ms |
| Memory Format | EEPROM |
| Standby Current-Max | 0.000005A |
| Memory Interface | I2C |
| Write Protection | HARDWARE |
| Clock Frequency | 1MHz |
| Reverse Pinout | NO |
| Base Part Number | 24FC256 |
| Manufacturer's Part No. | 24FC256-I/MS |
| JESD-609 Code | e3 |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| RoHS Status | ROHS3 Compliant |
| REACH SVHC | No SVHC |
| ECCN Code | EAR99 |
| HTSUS | 8542.32.0051 |
| Actions |
Cross-reference FAQ
Replacement Part Questions
Short answers for teams reviewing 24FC256-I/MS replacement and equivalent-part options.
Does a mapped alternative mean a guaranteed drop-in replacement for 24FC256-I/MS?
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 24FC256-I/MS 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 24FC256-I/MS?
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 24FC256-I/MS 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 24FC256-I/MS from Microchip Technology 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.