SKU: 5521072522

MICROCHIP 25LC640A-E/SN EEPROM, SPI, 64 Kbit, 8K x 8bit, 10 MHz, SOIC, 8 Pins

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Description

MICROCHIP 25LC640A-E/SN EEPROM, SPI, 64 Kbit, 8K x 8bit, 10 MHz, SOIC, 8 PinsThe 25LC640A E SN is a 64kb SPI Bus Serial EEPROM memory 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

The 25LC640A-E/SN is a 64kb SPI Bus Serial EEPROM memory 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
  • 8192 x 8-bit organization
  • 32-byte page
  • Self-timed erase and write cycles (5ms maximum)
  • Block write protection - Protect none, 1/4, 1/2 or all of array
  • Built-in write protection - Power-on/off data protection circuitry
  • Sequential read
  • 1000000 erase/write cycles endurance
  • >200-year Data retention
  • >4000V ESD protection

Applications

Communications & Networking, Automotive

Warnings

ESD sensitive device, take proper precaution while handling the device.

Product details

Operating Temperature Min -40°C
Operating Temperature Max 125°C
Clock Frequency 10MHz
No. of Pins 8Pins
Memory Size 64Kbit
Product Range 64Kbit Serial SPI EEPROMs
Memory Case Style SOIC
Supply Voltage Min 2.5V
IC Interface Type SPI
EEPROM Memory Configuration 8K x 8bit
Packaging Each
Supply Voltage Max 5.5V
MSL MSL 1 - Unlimited

Other details

Brand MICROCHIP
Part Number 25LC640A-E/SN
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.

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SKU: 5521072522

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Jocko
Omaha, US
★★★★★ 5
Very Comfortable Shoes
Size: 11, Color: Black Full Grain
Were purchased as a gift and the wearer says they are the most comfortable shoes he has
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Reviewed in the United States on December 28, 2025
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DALIA ALVAREZ
San Leandro, US
★★★★★ 5
Great shoes
I like these shoes they are comfortable, and look great. Good quality, it fits to its size.
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Reviewed in the United States on May 19, 2025
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Leonardo Perez
Waukegan, US
★★★★★ 1
Mal presentado
Size: 9, Color: Black Full Grain
Un zapato llego con cosido defectuoso
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Reviewed in the United States on October 29, 2025
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Joe
Omaha, US
★★★★★ 5
Comfortable
Size: 11.5, Color: Black Full Grain
Fit great very comfortable
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Reviewed in the United States on October 16, 2025
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DAVID L.
Draper, US
★★★★★ 5
Nice shoes!
Size: 11, Color: Black Full Grain
I bought them in black and I like them so much I will be buying the brown soon. They fit true to size and are comfortable and stylish. I like the clean simplicity. They're basically a dressy sneaker which is perfect for my job's 'dress code'. Yet they're stylish enough to be worn weekends or a night out. They seemed just a touch stiff out of the box but IMO that's completely normal and fine - after just a couple days of wearing them they are breaking in nicely. No complaints on that. They seem to be of very high quality and I'm very happy with them.
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Reviewed in the United States on February 8, 2026

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