What is a cross-reference page for AT25DF641A-SH-B?
This page groups mapped replacement options for AT25DF641A-SH-B so buyers and engineers can compare alternatives before requesting a quote or approving a substitute.
Alternative part analysis
AT25DF641A-SH-B replacements, alternatives, and cross reference
Compare mapped replacement and alternative options for AT25DF641A-SH-B, then verify package, specifications, and application fit before approval.
Compare AT25DF641A-SH-B 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.
swipe Swipe or scroll horizontally to compare more part numbers
The left column stays visible so buyers can keep the spec label in view while scanning multiple alternatives.
| Parameter Comparison Chart | Current part AT25DF641A-SH-B Adesto Technologies |
|---|---|
| Part Number | AT25DF641A-SH-B |
| Manufacturer | Adesto Technologies |
| Category | Integrated Circuits (ICs) |
| Subcategory | Memory |
| Package | 8SOIC |
| Series | - |
| Key Attributes | - |
| Description | IC FLASH 64M SPI 100MHZ 8SOIC |
| Lifecycle | - |
| Stock | 12,101 |
| Available | 45,589 |
| Min Order | 1 |
| Datasheet | Available |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| JESD-609 Code | e4 |
| ECCN Code | 3A991.B.1.A |
| Page Size | 256B |
| Part Status | Active |
| Lead Free | Lead Free |
| Packaging | Tube |
| Mounting Type | Surface Mount |
| Factory Lead Time | 8 Weeks |
| Published | 1997 |
| Categories | Integrated Circuits (ICs) |
| Terminal Position | DUAL |
| Peak Reflow Temperature (Cel) | 260 |
| Interface | SPI, Serial |
| Technology | CMOS |
| Qualification Status | Not Qualified |
| Supply Voltage | 3V |
| Nominal Supply Current | 19mA |
| Contact Plating | Gold |
| Number of Functions | 1 |
| Mount | Surface Mount |
| Terminal Pitch | 1.27mm |
| Number of Pins | 8 |
| Number of Terminations | 8 |
| Pin Count | 8 |
| Operating Supply Voltage | 3.3V |
| Memory Type | Non-Volatile |
| Clock Frequency | 100MHz |
| Package / Case | 8-SOIC (0.209, 5.30mm Width) |
| Sub-Categories | Memory |
| Memory Format | FLASH |
| Standby Current-Max | 0.00002A |
| Manufacturer | Adesto Technologies |
| Sync/Async | Synchronous |
| Word Size | 8b |
| Endurance | 100000 Write/Erase Cycles |
| Operating Temperature | -40°C~85°C TC |
| Memory Interface | SPI |
| Max Supply Current | 38mA |
| Write Protection | HARDWARE |
| Memory Width | 1 |
| Address Bus Width | 24b |
| Length | 5.29mm |
| Organization | 64MX1 |
| Manufacturer's Part No. | AT25DF641A-SH-B |
| Write Cycle Time - Word, Page | 30μs, 6ms |
| Supply Voltage-Max (Vsup) | 3.6V |
| Data Bus Width | 8b |
| Supply Voltage-Min (Vsup) | 2.7V |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
| Voltage - Supply | 2.7V~3.6V |
| Programming Voltage | 2.7V |
| Integrated Cache | 64 Mb |
| Data Retention Time-Min | 20 |
| Serial Bus Type | SPI |
| Voltage - Supply (Vcc\/Vdd) | 64Mb 256Bytes x 32K pages |
| Number of Serial I\/Os | 5 ns |
| Height Seated (Max) | 2.16mm |
| Actions |
Cross-reference FAQ
Replacement Part Questions
Short answers for teams reviewing AT25DF641A-SH-B replacement and equivalent-part options.
Does a mapped alternative mean a guaranteed drop-in replacement for AT25DF641A-SH-B?
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 AT25DF641A-SH-B 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 AT25DF641A-SH-B?
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 AT25DF641A-SH-B 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 AT25DF641A-SH-B from Adesto Technologies 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.
developer_board
Package and pin compatibility
Review whether the alternate path looks credible from package, footprint, and pin-level perspectives.
tune
Parameter and function gaps
Surface the electrical, interface, or application-fit questions that still need confirmation before approval.
task_alt
Qualification and approval prep
Organize the documentation, datasheet evidence, and validation checkpoints your internal team may still require.