What is a cross-reference page for CY7C0251-15AC?
This page groups mapped replacement options for CY7C0251-15AC so buyers and engineers can compare alternatives before requesting a quote or approving a substitute.
Alternative part analysis
CY7C0251-15AC replacements, alternatives, and cross reference
Compare mapped replacement and alternative options for CY7C0251-15AC, then verify package, specifications, and application fit before approval.
Compare CY7C0251-15AC against mapped replacement options
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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 CY7C0251-15AC Cypress Semiconductor |
|---|---|
| Part Number | CY7C0251-15AC |
| Manufacturer | Cypress Semiconductor |
| Category | Integrated Circuits (ICs) |
| Subcategory | Memory |
| Package | LQFP |
| Series | - |
| Key Attributes | - |
| Description | IC SRAM 144K PARALLEL 100TQFP |
| Lifecycle | - |
| Stock | 161,708 |
| Available | 10,999 |
| Min Order | 1 |
| Datasheet | Available |
| Power Supplies | 5V |
| Voltage - Supply | 4.5V~5.5V |
| Terminal Finish | TIN LEAD |
| Standby Voltage-Min | 2V |
| Density | 144 kb |
| Memory Size | 144Kb 8K x 18 |
| Packaging | Tray |
| REACH Status | REACH Unaffected |
| ECCN | EAR99 |
| Lead Free | Contains Lead |
| Mounting Type | Surface Mount |
| Published | 2001 |
| Part Status | Obsolete |
| Categories | Integrated Circuits (ICs) |
| Supply Voltage | 5V |
| Reach Compliance Code | not_compliant |
| Qualification Status | Not Qualified |
| Terminal Position | QUAD |
| Terminal Pitch | 0.5mm |
| Package / Case | 100-LQFP |
| Operating Temperature | 0°C~70°C TA |
| Output Characteristics | 3-STATE |
| Number of Functions | 1 |
| Operating Supply Voltage | 5V |
| Reflow Temperature-Max (s) | 30 |
| Mount | Surface Mount |
| Manufacturer | Cypress Semiconductor |
| Peak Reflow Temperature (Cel) | 240 |
| Number of Pins | 100 |
| Pin Count | 100 |
| Number of Terminations | 100 |
| Length | 14mm |
| Number of Ports | 2 |
| Nominal Supply Current | 300mA |
| Memory Interface | Parallel |
| Sub-Categories | Memory |
| Sync/Async | Asynchronous |
| Memory Type | Volatile |
| Output Enable | YES |
| Frequency | 15GHz |
| Memory Format | SRAM |
| I/O Type | COMMON |
| Address Bus Width | 13b |
| Write Cycle Time - Word, Page | 15ns |
| Technology | SRAM - Dual Port, Asynchronous |
| Memory Width | 18 |
| Manufacturer's Part No. | CY7C0251-15AC |
| Base Part Number | CY7C0251 |
| Additional Feature | INTERRUPT FLAG |
| Word Size | 18b |
| Access Time (Max) | 15 ns |
| Organization | 8KX18 |
| Standby Current-Max | 0.015A |
| RoHS Status | RoHS non-compliant |
| JESD-609 Code | e0 |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
| ECCN Code | EAR99 |
| HTSUS | 8542.32.0041 |
| Height Seated (Max) | 1.6mm |
| Actions |
Cross-reference FAQ
Replacement Part Questions
Short answers for teams reviewing CY7C0251-15AC replacement and equivalent-part options.
Does a mapped alternative mean a guaranteed drop-in replacement for CY7C0251-15AC?
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 CY7C0251-15AC 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 CY7C0251-15AC?
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 CY7C0251-15AC 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 CY7C0251-15AC from Cypress 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.