What is a cross-reference page for CAT28C16AW20?
This page groups mapped replacement options for CAT28C16AW20 so buyers and engineers can compare alternatives before requesting a quote or approving a substitute.
Alternative part analysis
CAT28C16AW20 replacements, alternatives, and cross reference
Compare mapped replacement and alternative options for CAT28C16AW20, then verify package, specifications, and application fit before approval.
Compare CAT28C16AW20 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 CAT28C16AW20 ON Semiconductor |
|---|---|
| Part Number | CAT28C16AW20 |
| Manufacturer | ON Semiconductor |
| Category | Integrated Circuits (ICs) |
| Subcategory | Memory |
| Package | 24SOIC |
| Series | - |
| Key Attributes | - |
| Description | IC EEPROM 16K PARALLEL 24SOIC |
| Lifecycle | - |
| Stock | 33,839 |
| Available | 67,431 |
| Min Order | 1 |
| Datasheet | Available |
| REACH Status | REACH Unaffected |
| ECCN | EAR99 |
| Packaging | Tube |
| Mounting Type | Surface Mount |
| Published | 2009 |
| Part Status | Obsolete |
| Categories | Integrated Circuits (ICs) |
| Terminal Position | DUAL |
| Peak Reflow Temperature (Cel) | 260 |
| Supply Voltage | 5V |
| Technology | CMOS |
| Length | 15.4mm |
| Qualification Status | Not Qualified |
| Operating Temperature | 0°C~70°C TA |
| Manufacturer | ON Semiconductor |
| Package / Case | 24-SOIC (0.295, 7.50mm Width) |
| Number of Functions | 1 |
| Number of Terminations | 24 |
| Pin Count | 24 |
| Surface Mount | YES |
| Reflow Temperature-Max (s) | 40 |
| Width | 7.5mm |
| Terminal Pitch | 1.27mm |
| Memory Type | Non-Volatile |
| Reach Compliance Code | compliant |
| HTS Code | 8542.32.00.51 |
| Data Polling | YES |
| Memory Interface | Parallel |
| Sub-Categories | Memory |
| Memory Width | 8 |
| Organization | 2KX8 |
| Memory Format | EEPROM |
| Operating Mode | ASYNCHRONOUS |
| Standby Current-Max | 0.0001A |
| Toggle Bit | NO |
| Write Cycle Time-Max (tWC) | 10ms |
| Write Cycle Time - Word, Page | 10ms |
| Command User Interface | NO |
| Memory Density | 16384 bit |
| Endurance | 10000 Write/Erase Cycles |
| Base Part Number | CAT28C16A |
| Manufacturer's Part No. | CAT28C16AW20 |
| Height Seated (Max) | 2.65mm |
| JESD-609 Code | e3 |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| RoHS Status | RoHS Compliant |
| ECCN Code | EAR99 |
| HTSUS | 8542.32.0051 |
| JESD-30 Code | R-PDSO-G24 |
| Terminal Finish | Tin (Sn) |
| Supply Voltage-Max (Vsup) | 5.5V |
| Power Supplies | 5V |
| Supply Voltage-Min (Vsup) | 4.5V |
| Voltage - Supply | 4.5V~5.5V |
| Memory Size | 16Kb 2K x 8 |
| Programming Voltage | 5V |
| Access Time | 200ns |
| Supply Current-Max | 0.035mA |
| Actions |
Cross-reference FAQ
Replacement Part Questions
Short answers for teams reviewing CAT28C16AW20 replacement and equivalent-part options.
Does a mapped alternative mean a guaranteed drop-in replacement for CAT28C16AW20?
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 CAT28C16AW20 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 CAT28C16AW20?
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 CAT28C16AW20 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 CAT28C16AW20 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.