SST39SF040-55-4C-WHEAlternatives & Equivalent Parts
About SST39SF040-55-4C-WHE
SST39SF040-55-4C-WHE is a Integrated Circuit component manufactured by Microchip. It comes in a Small Outline Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
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Specification Comparison
| Parameter | SST39SF040-55-4C-WHESource | SST39SF040-55-4C-WHE-T |
|---|---|---|
| Manufacturer | Microchip | Microchip |
| Package Type | Small Outline Packages | Small Outline Packages |
| Pin Count | 32 | 32 |
| Temperature Range | ~ 70.0°C | ~ 70.0°C |
| Price | $1.8952 | $1.8952 |
| Stock | In Stock | In Stock |
| Lifecycle | OBSOLETE | OBSOLETE |
| Electrical Parameters | ||
| Pbfree Code | Yes | — |
| Manufacturer Package Code | TSOP-32 | TSOP-32 |
| YTEOL | 0 | 0 |
| Access Time-Max | 55 ns | 55 ns |
| Command User Interface | YES | YES |
| Data Polling | YES | YES |
| Endurance | 100000 Write/Erase Cycles | 100000 Write/Erase Cycles |
| JESD-30 Code | R-PDSO-G32 | R-PDSO-G32 |
| Memory Density | 4194304 bit | 4194304 bit |
| Memory IC Type | FLASH | FLASH |
| Memory Width | 8 | 8 |
| Number of Functions | 1 | 1 |
| Number of Sectors/Size | 128 | 128 |
| Number of Words | 524288 words | 524288 words |
| Number of Words Code | 512000 | 512000 |
| Operating Mode | ASYNCHRONOUS | ASYNCHRONOUS |
| Organization | 512KX8 | 512KX8 |
| Output Characteristics | 3-STATE | 3-STATE |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP32,.56,20 | TSSOP32,.56,20 |
| Package Shape | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Parallel/Serial | PARALLEL | PARALLEL |
| Peak Reflow Temperature (Cel) | 260 | — |
| Programming Voltage | 5 V | 5 V |
| Qualification Status | Not Qualified | Not Qualified |
| Sector Size | 4K | 4K |
| Standby Current-Max | 0.0001 A | 0.0001 A |
| Supply Current-Max | 0.025 mA | 0.025 mA |
| Supply Voltage-Max (Vsup) | 5.5 V | 5.5 V |
| Supply Voltage-Min (Vsup) | 4.5 V | 4.5 V |
| Supply Voltage-Nom (Vsup) | 5 V | 5 V |
| Surface Mount | YES | YES |
| Technology | CMOS | CMOS |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) |
| Terminal Form | GULL WING | GULL WING |
| Terminal Pitch | 0.5 mm | 0.5 mm |
| Terminal Position | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 40 | — |
| Toggle Bit | YES | YES |
| Type | NOR TYPE | NOR TYPE |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Get one quote covering this alternative for SST39SF040-55-4C-WHE — response within 24 hours.
Quick Links
Microchip Technology Inc 4.5V to 5.5V 4Mbit Multi-Purpose Flash
Why Look for Alternatives?
Finding alternatives for SST39SF040-55-4C-WHE is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating SST39SF040-55-4C-WHE replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
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FAQ
What is equivalent to SST39SF040-55-4C-WHE?
Known equivalents for SST39SF040-55-4C-WHE include SST39SF040-55-4C-WHE-T. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of SST39SF040-55-4C-WHE?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify SST39SF040-55-4C-WHE alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.