What is a cross-reference page for CAT28F001L-90B?
This page groups mapped replacement options for CAT28F001L-90B so buyers and engineers can compare alternatives before requesting a quote or approving a substitute.
Alternative part analysis
CAT28F001L-90B replacements, alternatives, and cross reference
Compare mapped replacement and alternative options for CAT28F001L-90B, then verify package, specifications, and application fit before approval.
Compare CAT28F001L-90B against mapped replacement options
Review package, lifecycle, stock, and MOQ in one view
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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 CAT28F001L-90B ON Semiconductor |
|---|---|
| Part Number | CAT28F001L-90B |
| Manufacturer | ON Semiconductor |
| Category | Integrated Circuits (ICs) |
| Subcategory | Memory |
| Package | DIP |
| Series | - |
| Key Attributes | - |
| Description | IC FLASH 1M PARALLEL 32DIP |
| Lifecycle | - |
| Stock | 100,662 |
| Available | 51,302 |
| Min Order | 1 |
| Datasheet | Available |
| Mounting Type | Through Hole |
| REACH Status | REACH Unaffected |
| ECCN | EAR99 |
| Packaging | Tube |
| Published | 2005 |
| Part Status | Obsolete |
| Categories | Integrated Circuits (ICs) |
| Terminal Position | DUAL |
| Supply Voltage | 5V |
| Technology | CMOS |
| Qualification Status | Not Qualified |
| Operating Temperature | 0°C~70°C TA |
| Manufacturer | ON Semiconductor |
| Number of Functions | 1 |
| Operating Supply Voltage | 5V |
| Mount | Through Hole |
| Nominal Supply Current | 30mA |
| Terminal Pitch | 2.54mm |
| Memory Type | Non-Volatile |
| Number of Terminations | 32 |
| Number of Pins | 32 |
| Pin Count | 32 |
| Memory Interface | Parallel |
| Sub-Categories | Memory |
| Command User Interface | YES |
| Sync/Async | Asynchronous |
| Memory Format | FLASH |
| Boot Block | BOTTOM |
| Additional Feature | BOTTOM BOOT BLOCK |
| Word Size | 8b |
| Endurance | 100000 Write/Erase Cycles |
| Standby Current-Max | 0.000001A |
| Memory Width | 8 |
| Access Time (Max) | 90 ns |
| Write Cycle Time - Word, Page | 90ns |
| Data Polling | NO |
| Toggle Bit | NO |
| Base Part Number | CAT28F001 |
| Address Bus Width | 17b |
| Organization | 128KX8 |
| Sector Size | 8K4K112K |
| Number of Sectors/Size | 121 |
| Length | 42.03mm |
| Package / Case | 32-DIP (0.600, 15.24mm) |
| Manufacturer's Part No. | CAT28F001L-90B |
| Height Seated (Max) | 5.08mm |
| JESD-609 Code | e3 |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| RoHS Status | RoHS Compliant |
| ECCN Code | EAR99 |
| HTSUS | 8542.32.0071 |
| Density | 1 Mb |
| Terminal Finish | Tin (Sn) |
| Data Bus Width | 8b |
| Power Supplies | 5V |
| Voltage - Supply | 4.5V~5.5V |
| Programming Voltage | 12V |
| Memory Size | 1Mb 128K x 8 |
| Actions |
Cross-reference FAQ
Replacement Part Questions
Short answers for teams reviewing CAT28F001L-90B replacement and equivalent-part options.
Does a mapped alternative mean a guaranteed drop-in replacement for CAT28F001L-90B?
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 CAT28F001L-90B 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 CAT28F001L-90B?
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 CAT28F001L-90B 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 CAT28F001L-90B 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.