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Description
MICROCHIP 25LC640-I/P EEPROM, SPI, 64 Kbit, 8K x 8bit, 2 MHz, DIP, 8 PinsThe 25LC640 I P is a 64kB serial Electrically Erasable Programmable Read Only Memory (EEPROM) accessed via a simple serial peripheral interface (SPI) compatible serial bus. The bus signals required are a clock input (SCK) plus separate data in (SI) and data out (SO) lines. Access to the device is controlled through a chip select (CS) input. Communication to the device can be paused via the hold pin (HOLD). While the device is paused, transitions on
The 25LC640-I/P is a 64kB serial Electrically Erasable Programmable Read-Only Memory (EEPROM) accessed via a simple serial peripheral interface (SPI) compatible serial bus. The bus signals required are a clock input (SCK) plus separate data in (SI) and data out (SO) lines. Access to the device is controlled through a chip select (CS) input. Communication to the device can be paused via the hold pin (HOLD). While the device is paused, transitions on its inputs will be ignored, with the exception of chip select, allowing the host to service higher priority interrupts.
- Low-power CMOS technology
- Write cycle time - 5ms maximum
- Self-timed erase and write cycles
- Block write protection - Protect none, 1/4, 1/2 or all of array
- Built-in write protection
- Power-on/off data protection circuitry
- Write enable latch
- Write-protect pin
- Sequential read
- High reliability
- Data retention - >200 years
- ESD protection - >4000V
Applications
Computers & Computer Peripherals, Industrial, Communications & Networking, Consumer Electronics, Automotive
Product details
| Operating Temperature Min | -40°C |
| Operating Temperature Max | 85°C |
| Clock Frequency | 2MHz |
| No. of Pins | 8Pins |
| Memory Size | 64Kbit |
| Product Range | 64Kbit Serial SPI EEPROMs |
| Memory Case Style | DIP |
| Supply Voltage Min | 2.5V |
| IC Interface Type | SPI |
| EEPROM Memory Configuration | 8K x 8bit |
| Packaging | Each |
| Supply Voltage Max | 5.5V |
| MSL | - |
Other details
| Brand | MICROCHIP |
| Part Number | 25LC640-I/P |
| Quantity | Each |
| Technical Data Sheet EN | |
| Miscellaneous 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.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
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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
4.7 ★★★★★
Based on 28 reviews
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Product Reviews
★★★★★ 5
Wash first
Color: 25 Pack (Value-Toys)
These are excellent and very well made for a 1 and 1/2 lb Chihuahua girl. I don't know how much they would hold up for a bigger dog but they're perfect for a little one. We always wash all of her toys first and I didn't notice that there were garbage bags in there. Which ended up being a good thing because they were scented. Washing help to get most of the scent off and it took the scent off of the toys. She hates the scent. Me too. It was nice to have the doggy bags though and we would prefer them not scented. We didn't dry the toys and we let them air dry which is a good thing cuz it might have ruin the bags. The bags are a little small and short compared to the normal bags that you buy but overall this is a really good value and she loves all of the teethers and ropes very much. Very well made. Nothing has fallen apart and she has chewed it a lot. I don't know how it would be for a bigger dog but for one and a half pound puppy Chihuahua it's perfect
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Reviewed in the United States on February 13, 2026
★★★★★ 5
My little Chiwoxy (Chihuahua & wire terrier) loves them all!
Color: 25 Pack (Value-Toys)
I was a little nervous to order this set of toys, I worried that they would be sort of junky or dollar store quality. They definitely are not!
My little Mia Bella loves this toy set. Her favorite thing to do is for me to stuff them all in the box they came in, so she can rummage through and each of them out one by one to play with. Empty box, starts all over again. There is a nice variety of soft plush squeakers, soft crinkly toys, ropes with rubber shapes on the ends, ropes with knots, and different kind of balls (some rubber, some rope, some soft plastic spikes). My puppy is very small and I was worried they would be too big for her - they are the perfect size and she loves each and every one of them. Also included were some rolls of poo bags and a plastic holder to hook onto your leash to hold them - I was happy these were included, I hadn’t noticed them on the description, so they were a surprise.
I feel like these toys are a great value and provide a small dog with a lot of fun things to play with. The variety is great so you’re not having to spend money on buying a whole bunch of different things. I am very happy with this purchase, and I highly recommend it to anyone else with a smaller sized dog. I think they might be too small for a very large dog but who knows, they are likely going to be fun for any dog to play with.
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Reviewed in the United States on November 14, 2023
★★★★★ 5
Great selection of dog toys at a good price!
Color: 25 Pack (Value-Toys)
Lots of great toys for your little little dog at a reasonable price. Even comes with doggie poop bags. At any of my local dog shops just one of the ropes would cost me the same as the whole box of toys.
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Reviewed in the United States on June 9, 2026
★★★★★ 4
Excellent Variety Pack - Dogs Love These Toys
Color: 25 Pack (Value-Toys)
This 25-pack is fantastic value with excellent variety—ropes, squeakers, and different textures keep dogs entertained. They're colorful, well-made, and my dogs love them. The main downside is the chew resistance on the rubber toys isn't the best; aggressive chewers can break through them fairly quickly. That said, for the price and the sheer number of toys you get, it's still a solid buy. Perfect for rotation and keeping dogs mentally stimulated. Just know that heavy chewers might go through the rubber ones faster than expected.
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Reviewed in the United States on May 14, 2026
★★★★★ 5
Great set of toys for your dog.
Color: 25 Pack (Value-Toys)
So many sensory toys. Perfect for my new puppy. The material is chew resistant. Very cute and they keep him occupied.
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Reviewed in the United States on May 25, 2026