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SRAM for Arduino: 23K256

This 23K256 RAM Chip is handy if you need more storage for your Arduino and only need to retain the data while the Arduino is powered.

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Availability: ✅ Ships Today

Last Updated: 07/07/2025

Tinkersphere

TS-343

$3.45

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Use this 23K256 RAM Chip for more storage when using your Arduino! Get an extra 256kbit of memory instantly! Uses the common SPI protocol.

Specifications:

  • Operating Voltage: 2.7V - 3.6V
  • Operating Temperature: -40 °C to +85 °C
  • Serial Protocol: SPI
  • Clock Frequency: 20MHz
  • Low Power: Yes
  • Maximum Random Access Time: 25ns
  • Memory Size: 256kbit
  • Number of Bits per Word: 8bit
  • Number of Words: 32K
  • Organization: 32768 words x 8 bit
  • Pin Count: 8

Click here to download the datasheet.

Using the 23K256 to add memory to Arduino.

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