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Description
MICROCHIP SST25PF040C-40I/MF SERIAL FLASH, 4MBIT, 40MHZ, WDFN-8This is a SERIAL FLASH, 4MBIT, 40MHZ, WDFN 8 product from MICROCHIP with the model number SST25PF040C 40I MFProduct details Operating Temperature Min 40C Operating Temperature Max 85C Access Time Clock Frequency 40MHz No. of Pins 8Pins Flash Memory Configuration 512K x 8bit Memory Size 4Mbit Product Range 3V Serial NOR Flash Memories Memory Case Style WDFN Supply Voltage Min 2. 3V IC Interface Type SPI Packaging Each Supply Voltage Max 3. 6V MSL Other
This is a SERIAL FLASH, 4MBIT, 40MHZ, WDFN-8 product from MICROCHIP with the model number SST25PF040C-40I/MFProduct details
| Operating Temperature Min | -40�C |
| Operating Temperature Max | 85�C |
| Access Time | - |
| Clock Frequency | 40MHz |
| No. of Pins | 8Pins |
| Flash Memory Configuration | 512K x 8bit |
| Memory Size | 4Mbit |
| Product Range | 3V Serial NOR Flash Memories |
| Memory Case Style | WDFN |
| Supply Voltage Min | 2.3V |
| IC Interface Type | SPI |
| Packaging | Each |
| Supply Voltage Max | 3.6V |
| MSL | - |
Other details
| Brand | MICROCHIP |
| Part Number | SST25PF040C-40I/MF |
| Quantity | Each |
| Technical Data Sheet EN | |
| Product Change Notice EN |
All product and company names are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them. Image is for illustrative purposes only. Please refer to product description.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 17 reviews
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Product Reviews
★★★★★ 5
Very good product
Size: Medium, Color: (001) Black / Black / Pitch Gray
I purchased these to wear inside lowcut slip on casual shoes, I don't particularly like to not wear socks in my shoes for hygienic reasons. Prior to purchasing these socks, all I could find were those made of very light beige hosiery type material , and my slip on shoes would slide around a bit. These are light weight and breathable athletic type material, with a very good gripper strip at the heel. One pair of my slip on casual shoes have a particularly lower cut in the toe area, but the shoe is black and I chose the black color and though I see a hint of the sock there, it matches and does not detract from the look of the casual solid black shoe
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Reviewed in the United States on May 15, 2026
★★★★★ 5
They stay out! No more sock wads!
Size: Medium, Color: (100) White / White / Mod Gray
Best no show socks ever made!!!!! I've been struggling for 2 years to find ones that actually stay on your foot, even other national brands, and I just became content wearing my sneakers without socks. They ALWAYS slid down into my show & I ended up walking on a wad of sock until I could fix it...or usually just took them off after a couple of tries. Enter Under Armor!!! They a mid weight, but not very thick & still breathable. They work too by actually staying on your foot! Not once have they slid down into my show!! Very comfortable but they could be a little more affordable.
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Reviewed in the United States on August 1, 2025
★★★★★ 5
Love!
Size: Large, Color: (100) White / White / Mod Gray
Ive tried so many no show socks but I love these. This is the 3rd set I've bought. They never slip off and the material is thin and breathable. Perfect for working out.
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Reviewed in the United States on March 2, 2026
★★★★★ 5
True no-show socks that don’t slide down!
Size: Medium, Color: (100) White / White / Mod Gray, Size: Medium, Color: (100) White / White / Mod Gray
This is the first pair of no-show socks I’ve tried that actually don’t slide down into my shoes. Trust me… I have tried lots of different pairs and this is the one! They fit perfectly. They’re not too thick and they’re obviously durable because I wash them after each wear, so daily.
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Reviewed in the United States on March 21, 2026
★★★★★ 4
Great fit but expensive
Size: Medium, Color: (252) Blush Beige / White / Castlerock
These are really great socks. I love them, but they are definitely pricey.
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Reviewed in the United States on March 30, 2026